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Acta Tabacaria Sinica
ZHONGGUO YANCAO XUEBAO
Bimonthly
Inaugurated in 1992

Superintended by:
China Association for Science and Technology
Sponsored by:
Chinese Tobacco Society
Editor-in-Chief: YUAN Xingsi
Deputy Editor-in-Chief:
Editors: HA Junli, LIU Xinhua,
             AI Jitao, ZHANG Zheng
English Proofread by:
ZHAO Baidong, XIAO Boxue
Published by:
Editorial Office of Acta Tabacaria Sinica
Address: No.55 Yuetan South Street, Xicheng District, Beijing
Post Code: 100045
Tel: (86-10)63605768, 63605021, 63606237, 63605769, 63606007
Fax: (86-10)63605760
Email: xh-bj@tobacco.gov.cn
ISSN 1004-5708
CN 11-2985/TS

  Editor’s Pick More>>   
Current Issue Full Abstracts Archive
2018  Vol. 24 No. 3    Published: 28 June 2018
   
 
SI Xiaoxi, ZHU Ruizhi, WANG Hongbo, LIU Qiang, ZHANG Fengmei, CUI Huapeng, ZHAO Le, XIANG Nengjun, MIAO Mingming, LIU Zhihua
Effects of seven tobacco additives on particle size distribution of cigarette smoke aerosol
2018 Vol. 24 (3): 1-8 [Abstract] ( 16 ) HTML (0 KB)  PDF (2254 KB)  ( 54 ) | Cite this article
DUAN Yuanxing, YANG Wei, ZHU Donglai, YANG Liu, LI Tinghua, CHEN Yongkuan
Effects of material of heating wire and vaporization temperature on main components in e-cigarette aerosol
2018 Vol. 24 (3): 9-13 [Abstract] ( 16 ) HTML (0 KB)  PDF (1269 KB)  ( 17 ) | Cite this article
ZHANG Xia, LI Tinghua, ZHANG Tao, SHEN Yanfei, LI Shoubo, HONG Liu, WU Jun, HAN Yi, CHEN Yongkuan, ZHU Donglai
Effects of PG-VG ratio and working voltage on main components in e-cigarette aerosol
2018 Vol. 24 (3): 14-20 [Abstract] ( 14 ) HTML (0 KB)  PDF (1285 KB)  ( 24 ) | Cite this article
LUO Xinggang, WANG Nan, ZHANG Zhongliang, ZHAO Liang, TANG Jianguo, TANG Jiafu
Application of association rule mining method to intelligent maintenance of tobacco blend of cigarette
2018 Vol. 24 (3): 21-29 [Abstract] ( 14 ) HTML (0 KB)  PDF (1207 KB)  ( 23 ) | Cite this article
ZHANG Tengjian, XIAO Jinzhe, YANG Quanzhong, WANG Fang, CHEN Liangyuan, XU Dayong, LU Minrui
Effect of tobacco leaf cutting on processing quality of strips after threshing and redrying
2018 Vol. 24 (3): 30-36 [Abstract] ( 16 ) HTML (0 KB)  PDF (1448 KB)  ( 10 ) | Cite this article
ZHANG Chao, ZHANG Jishun, WANG Rengang, ZENG Jifan, WANG Zili, REN Xueliang, SHU Qingyao, WU Liquan, ZHAO Haijun
Rapid screening of low-cadmium tobacco mutants by HRM technology
2018 Vol. 24 (3): 37-45 [Abstract] ( 13 ) HTML (0 KB)  PDF (1907 KB)  ( 5 ) | Cite this article
DENG Jianqiang, TAN Jun, SHI Heli, FAN Jun, XIANG Bikun, WANG Rui
Control effect of biochar on soil microorganism in land consolidation region
2018 Vol. 24 (3): 46-52 [Abstract] ( 19 ) HTML (0 KB)  PDF (1468 KB)  ( 31 ) | Cite this article
WU Jianan, PENG Guixin, YANG Yongfeng, REN Tianbao, ZHANG Lu, LIU Guoshun
Effects of mined biochar and nitrogen fertilizer on biological characteristics of soil and nitrogen absorption of flue-cured tobacco
2018 Vol. 24 (3): 53-61 [Abstract] ( 12 ) HTML (0 KB)  PDF (1331 KB)  ( 21 ) | Cite this article
XIE Yuanyuan, FENG Yanyan, SU Jiakun, LUO Juanmin, WANG Yiming, GUO Lei, CAI Jibao, LUO Guoan
Comparative analysis of polyphenols in redried upper tobacco leaves with different flavor styles and from different production areas
2018 Vol. 24 (3): 62-76 [Abstract] ( 10 ) HTML (0 KB)  PDF (1835 KB)  ( 13 ) | Cite this article
YUAN Qinghua, MA Zhuwen, ZHANG Zhenchen, LI Jiqin, LI Shuling, GUO Peiguo, QIU Miaowen, LI Ronghua, ZHAO Weicai, CHEN Junbiao
Detection of QTL associated with tobacco bacterial wilt resistance in cultivar Dayemihe
2018 Vol. 24 (3): 77-81 [Abstract] ( 7 ) HTML (0 KB)  PDF (1154 KB)  ( 4 ) | Cite this article
WANG Hancheng, ZHOU Hao, ZHANG Zhifan, CHEN Xingjiang, CAI Liuti, YU Zhihe
Induction and biological characters of laboratory mutants of Botrytis cinerea resistant to azoxystrobin
2018 Vol. 24 (3): 82-87 [Abstract] ( 12 ) HTML (0 KB)  PDF (951 KB)  ( 14 ) | Cite this article
ZHANG Binbin, ZHAO Xiaoyu, ZHANG Kailun, XU Houjuan, XIA Xiaoming
Determination of susceptibility of Alternaria alternata to azoxystrobin and to azoxystrobin added with salicylhydroxamic acid
2018 Vol. 24 (3): 88-94 [Abstract] ( 7 ) HTML (0 KB)  PDF (983 KB)  ( 22 ) | Cite this article
WANG Feng
Reflection on group-connecting economy and stimulating new growth momentum for leaf tobacco section
2018 Vol. 24 (3): 95-99 [Abstract] ( 7 ) HTML (0 KB)  PDF (1064 KB)  ( 14 ) | Cite this article
ZHANG Huimin
Research and application of logistics route optimization in tobacco commercial enterprise
2018 Vol. 24 (3): 100-105 [Abstract] ( 28 ) HTML (0 KB)  PDF (1315 KB)  ( 26 ) | Cite this article
LI Jiabin, HE Shiwei, HU Hongchun, CUI Xiaoyun
Optimized scheduling model for logistics system of reclaimed cigarette cases
2018 Vol. 24 (3): 106-112 [Abstract] ( 16 ) HTML (0 KB)  PDF (1098 KB)  ( 10 ) | Cite this article
CHE Wen, DAO Ronggui, YANG Liyan
Evaluation of logistics efficiency of high-nack warehouse in tobacco industry based on interval entropy matter-element model
2018 Vol. 24 (3): 113-119 [Abstract] ( 11 ) HTML (0 KB)  PDF (1239 KB)  ( 12 ) | Cite this article
FAN Meijuan, ZHAO Le, CUI Huapeng, PAN Lining, GUO Junwei, CHEN Li, WANG Hongbo, LIU Huimin
Research advances in risk evaluation of chemical components associated with e-cigarettes
2018 Vol. 24 (3): 120-129 [Abstract] ( 14 ) HTML (0 KB)  PDF (907 KB)  ( 62 ) | Cite this article
FANG Dunhuang, XIAO Bingguang, JIAO Fangchan, ZENG Jianmin, WU Xingfu
Current status and prospect in assessment of resistance of tobacco to Phytophthora nicotianae
2018 Vol. 24 (3): 130-135 [Abstract] ( 12 ) HTML (0 KB)  PDF (969 KB)  ( 15 ) | Cite this article
LIN Min, WEN Yan, LIU Xingle, WANG Fang, LIU Yong
Design and application of multi-functional heat radiator module
2018 Vol. 24 (3): 136-138 [Abstract] ( 11 ) HTML (0 KB)  PDF (1025 KB)  ( 16 ) | Cite this article
YUAN Yaru, XU Houjuan, HOU Xin, LIU Kai, LIU Chenglin, ZHAO Huanyu, LI Jiandong, XU Sai, WANG Yujun
Detection of tissue structure of tobacco leaf by microwave rapid paraffin sectioning method
2018 Vol. 24 (3): 139-140 [Abstract] ( 10 ) HTML (0 KB)  PDF (912 KB)  ( 10 ) | Cite this article
2018  Vol. 24 No. 3    Published: 28 June 2018
   
 
SI Xiaoxi, ZHU Ruizhi, WANG Hongbo, LIU Qiang, ZHANG Fengmei, CUI Huapeng, ZHAO Le, XIANG Nengjun, MIAO Mingming, LIU Zhihua
Effects of seven tobacco additives on particle size distribution of cigarette smoke aerosol
2018 Vol. 24 (3): 1-8 [Abstract] ( 16 ) HTML (0 KB)  PDF (2254 KB)  ( 54 ) | Cite this article
Abstract:The aim of present research is to study the effect of 7 typical tobacco additives, i.e. propylene glycol, glycerin, furanone, vanillin, levulinic acid, linolenic acid and palmitic acid, on distribution of particle mass in cigarette smoke aerosol, and to investigate the distribution of these additives in cigarette smoke aerosol of different particle sizes. Particles of cigarette smoke aerosol were collected in 12 stages using single channel smoking machine coupled electrical low-pressure impactor (ELPI). The collected particles were weighted and analyzed by GC-MS or LC-MS/MS to determine the distribution of these 7 additives in cigarette smoke aerosol of different particle sizes. Results showed that the particle mass of cigarette smoke aerosol were mainly concentrated within medium size particles (0.14~1.17 μm), but the distribution characteristic varied with 7 additives added. Vanillin, levulinic acid, linolenic acid and furanone could increase mass of particles larger than 0.431 μm but reduce mass of particles smaller than 0.261 μm. Propylene glycol and glycerin could reduce mass of particles 0.261 μm. Palmitic acid had no significant impact on particle mass distribution. The study also found that these 7 additives was mainly concentrated within medium size particles (0.261~0.722 μm), and displayed a tendency of increasing at first and then decreasing with increase of particle size. This result is consistent with the tendency of particle mass. However, the concentration distribution (ratio of release amount to particle mass) of 7 additives varied with particle size of smoke aerosol. With the increase of smoke aerosol particle size, the concentrations of propylene glycol, levulinic acid, linolenic acid and palmitic acid were first increased and then decreased. The concentrations of glycerin exhibited contrary distribution pattern, i.e. first increasing and then decreasing with increase of smoke aerosol particle size. The concentrations of furanone and vanillin were more uniformly distributed throughout the entire particle size range. Adding proper tobacco additives proved to be an effective approach to change particle size distribution of cigarette smoke, and the size distribution of additives in smoke aerosol of different particle sizes was different. This study provided some theoretical reference for cigarette design and tobacco safety study.
DUAN Yuanxing, YANG Wei, ZHU Donglai, YANG Liu, LI Tinghua, CHEN Yongkuan
Effects of material of heating wire and vaporization temperature on main components in e-cigarette aerosol
2018 Vol. 24 (3): 9-13 [Abstract] ( 16 ) HTML (0 KB)  PDF (1269 KB)  ( 17 ) | Cite this article
Abstract:An electronic cigarette comprehensive test platform was used to study effects of heating wire made with different materials, i.e. Ti, Ni200 and SS316L, and vaporization temperatures, ranging from 180℃ to 300℃, on release of nicotine, propylene glycol and glycerin in e-cigarette. Results showed that:1) The dynamic real-time resistance of these three heating wire materials was positively correlated with vaporization temperature. 2) Under same temperature condition and static initial resistance, e-cigarette with Ni200 heating wire delivered maximum nicotine, propylene glycol and propylene glycol, followed by e-cigarette with Ti heating coil and SS316 heating coil. 3) Yields of nicotine, propylene glycol, glycerin were positively proportional to temperature. Yield of nicotine increased rapidly at 220-240℃, and then slowed down with further increase of temperature. 4) As temperature increased to 260℃, yields of propylene glycol and glycerin were significantly changed, while yield of glycerin was higher than propylene glycol.
ZHANG Xia, LI Tinghua, ZHANG Tao, SHEN Yanfei, LI Shoubo, HONG Liu, WU Jun, HAN Yi, CHEN Yongkuan, ZHU Donglai
Effects of PG-VG ratio and working voltage on main components in e-cigarette aerosol
2018 Vol. 24 (3): 14-20 [Abstract] ( 14 ) HTML (0 KB)  PDF (1285 KB)  ( 24 ) | Cite this article
Abstract:[Objective]To study factors affecting main components in e-cigarette aerosol.[Method] Utilizing e-liquid of 7 different PG-VG ratios under 4 different working voltages, the yield of main components (nicotine, 1,2-propylene glycol, glycerol) of e-cigarette aerosol was analyzed.[Results] 1) The yield of nicotine, propylene glycol and glycerol ranged from 7.87 to 51.77 μg/puff, 169.52 to 3707.47 μg/puff, 510.16 to 2582.54 μg/puff, respectively. 2) The yield of nicotine was positively correlated with that of 1,2-propylene glycol, with Pearson correlation coefficient of 0.898. 1,2 propylene glycol played a key role in the delivery of nicotine. 3) Results of variance analysis showed that both working voltage and PG-VG ratio had significant effects on yield of main components of e-cigarette aerosol. The contribution rate of working voltage to the delivery of nicotine and glycerol was greater than PG-VG ratio, while its contribution rate to 1,2-propylene glycol was less than PG-VG ratio.[Conclusion] This study is of important significance to the development of electronic cigarette, e-liquid and product safety evaluation.
LUO Xinggang, WANG Nan, ZHANG Zhongliang, ZHAO Liang, TANG Jianguo, TANG Jiafu
Application of association rule mining method to intelligent maintenance of tobacco blend of cigarette
2018 Vol. 24 (3): 21-29 [Abstract] ( 14 ) HTML (0 KB)  PDF (1207 KB)  ( 23 ) | Cite this article
Abstract:In order to keep cigarette product's quality stable, cigarette formula maintenance should be conducted where missing grades leaf tobacco need to be replaced, and tobacco blend of cigarette adjusted frequently. The aim of this paper is to bulid rules of replacement. Association rules mining method was employed to extract implicit rules from data, to identify main ingredients, and to acquire rules of replacement. The experiments were carried out on data of tobacco blend of cigarette from H Tobacco Company to obtain main ingredients for a cigarette brand, three groups of main tobacco blend of cigarette, and replacement rules between single tobaccos. Results indicated that this method could obtain effective rules for compatibility of single tobaccos and small number of extracted rules was comprehensible, which could support maintenance of tobacco blend of cigarette.
ZHANG Tengjian, XIAO Jinzhe, YANG Quanzhong, WANG Fang, CHEN Liangyuan, XU Dayong, LU Minrui
Effect of tobacco leaf cutting on processing quality of strips after threshing and redrying
2018 Vol. 24 (3): 30-36 [Abstract] ( 16 ) HTML (0 KB)  PDF (1448 KB)  ( 10 ) | Cite this article
Abstract:In order to improve effect of cutting and moistening, and to improve the shape structure of leave blade, an on-line adjustable leaf cutting device was developed. Effects of different cutting methods and different processing techniques on processing quality were studied. Results indicated that 1) The device could cut according to requests and moistening effect improved as the number of cuts increased. 2) The blade area after cutting accounted for about 35% in the 300-1000mm2 interval. Large leaf rate was low when using two-knife cutting method with roundness being 0.750, the fine length being 0.768, and sheet structure being more even. 3)The evenness of Nicotine was better with the increase of numbers of cutting.4) The quality of sensory evaluation was improved.
ZHANG Chao, ZHANG Jishun, WANG Rengang, ZENG Jifan, WANG Zili, REN Xueliang, SHU Qingyao, WU Liquan, ZHAO Haijun
Rapid screening of low-cadmium tobacco mutants by HRM technology
2018 Vol. 24 (3): 37-45 [Abstract] ( 13 ) HTML (0 KB)  PDF (1907 KB)  ( 5 ) | Cite this article
Abstract:Low-cadmium tobacco germplasm resources are essential for tobacco breeding and production safety. In this study, we treated Guiyan No.1 with EMS, and planted 2020 M2 lines including 10 individuals, then extracted bulk DNA from leaves of three individuals. 49 materials with putative mutation in NtHMA4 were screened using high-resolution melting (HRM) curve analysis. Among them, 21 mutants with SNP mutation were confirmed by DNA sequencing, of which 15 were non-synonymous mutations caused amino acid changed and the rest were synonymous mutations. Subsequently, cadmium content in the leaves of eight mutants decreased significantly from 16.19% to 42.08% compared to wild type. Ten M3 progeny with non-synonymous mutations, which can germinate normally, were detected by HRM. Results showed that HRM technology could not only quickly screen mutants in tobacco EMS mutagenesis, but could also be used for rapid and accurate genotyping of heterozygous mutant offspring combined with DNA sequencing.
DENG Jianqiang, TAN Jun, SHI Heli, FAN Jun, XIANG Bikun, WANG Rui
Control effect of biochar on soil microorganism in land consolidation region
2018 Vol. 24 (3): 46-52 [Abstract] ( 19 ) HTML (0 KB)  PDF (1468 KB)  ( 31 ) | Cite this article
Abstract:[Objective] In order to improve soil fertility of land consolidation region, a long term field experiment was designed to study the control effect of biochar on soil microorganism in land consolidation region.[Methods] This experiment consisting of 5 treatments, i.e. treatment without biochar addition named as CK (0 t/hm2) and treatments with 4 different levels (7.5, 15, 30 and 45 t/hm2) of biochar addition, was performed to study the effect of biochar addition on the soil microbiology index.[Results] (1) When application rate of biochar was above 7.5 t/hm2, soil microbial biomass C/N ratio and microbial quotient were significantly decreased by 70.22% and 81.11%, respectively. (2) The biodiversity of soil microorganism could be increased by moderate application of biochar; the OTUs peaks of bacteria and fungi were reached when the biochar application rate were 20-30 t/hm2 and 10-30 t/hm2, respectively. However, the OTUs would be decreased when the biochar application was more than 30 t/hm2. (3) With the increase of biochar application rate, the relative abundance of Proteobacteria was decreased and the relative abundance of Actinobacteria increased, while the relative abundance of Ascomycota was increased at first and then decreased. (4) The application of biochar reduced the relative abundance of nitrifying bacteria and denitrifying bacteria, while increased the relative abundance of azotobacter. Therefore, biochar was beneficial to soil nitrogen immobilization. (5) A moderate application of biochar reduced the relative abundance of possible pathogenic bacteria, whereas a high dosage of biochar would raise disease risk in tobacco production.[Conclusion] A moderate application of biochar could improve soil microbial characteristics in land consolidation region. The optimal application rate was about 15 t/hm2.
WU Jianan, PENG Guixin, YANG Yongfeng, REN Tianbao, ZHANG Lu, LIU Guoshun
Effects of mined biochar and nitrogen fertilizer on biological characteristics of soil and nitrogen absorption of flue-cured tobacco
2018 Vol. 24 (3): 53-61 [Abstract] ( 12 ) HTML (0 KB)  PDF (1331 KB)  ( 21 ) | Cite this article
Abstract:In order to study the effects of mined biochar addition combined with nitrogen fertilizer on biological characteristics of soil and nitrogen absorption of flue-cured tobacco, pot experiment was undertaken with 15N trace technique. Fertilizer nitrogen residue, enzyme activity and soil microbial biomass carbon (SMBC) in soil, different sources nitrogen accumulation of flue-cured tobacco at 90 days after transplanting were analysed. Compared with CK, enzyme activity of biochar addition combined with nitrogen fertilizer improved by 8.8%-19.5%, SMBC increased by 13.3%, 15N residue promoted on early stage, and nitrogen accumulation of flue-cured tobacco also increased. When the amount of nitrogen reduced moderately, biochar addition combined with nitrogen fertilizer improved catalase activity and nitrogen accumulation. Sucrase and urease activity were promoted at mid and late stages. It was concluded that biochar significantly promoted activity of urease, sucrase and catalase, and improved fertilizer nitrogen soil residue and nitrogen accumulation in tobacco. It proved feasible to reduce the amount of nitrogen moderately when biochar combined with nitrogen fertilizer was added during tobacco planting.
XIE Yuanyuan, FENG Yanyan, SU Jiakun, LUO Juanmin, WANG Yiming, GUO Lei, CAI Jibao, LUO Guoan
Comparative analysis of polyphenols in redried upper tobacco leaves with different flavor styles and from different production areas
2018 Vol. 24 (3): 62-76 [Abstract] ( 10 ) HTML (0 KB)  PDF (1835 KB)  ( 13 ) | Cite this article
Abstract:In order to study flue-cured tobacco flavor styles and evaluate quality of tobacco, high performance liquid chromatography (HPLC), ion trap tandem mass spectrometer (Trap-MSn) and time-of-flight spectrometer (TOF-MS) were used to establish a qualitative and quantitative method for the determination of polyphenols in tobacco. Contents of neochlorogenic acid, chlorogenic acid, 4-caffeoylquinic acid and rutin in 133 tobacco leaves of different flavor styles collected from different production regions and areas were determined. Results indicated that total content of polyphenols in light flavored tobacco (26.19±4.07 mg/g) was approximately equal to that in medium flavored tobacco (25.43±3.09mg/g), while significantly higher than that in strong flavored tobacco (22.23±3.75mg/g). Content of neochlorogenic acid in light flavored tobacco (2.39±0.46mg/g) was higher than that in medium flavored tobacco (2.25±0.40mg/g), and both higher than that in strong flavored tobacco (1.84±0.39mg/g). Content of rutin in light flavored tobacco (8.74±1.41mg/g) was higher than that in medium flavored tobacco (8.25±1.52mg/g), and both higher than that in strong flavored tobacco (5.99±1.40mg/g). Content of neochlorogenic acid and rutin showed better relevancy with flavor styles of tobacco than chlorogenic acid and 4-caffeoylquinic acid. However, the contents of four main polyphenols ingredient in tobacco samples of same flavor styles were significantly different. It is likely that producing area of same flavor styles tobacco samples were different. Composition of polyphenols was not a deciding factor for determining tobacco flavor styles, and ecology environment of the corresponding production area, including soil and climate conditions could affect the composition of polyphenols content in tobacco leaves.
YUAN Qinghua, MA Zhuwen, ZHANG Zhenchen, LI Jiqin, LI Shuling, GUO Peiguo, QIU Miaowen, LI Ronghua, ZHAO Weicai, CHEN Junbiao
Detection of QTL associated with tobacco bacterial wilt resistance in cultivar Dayemihe
2018 Vol. 24 (3): 77-81 [Abstract] ( 7 ) HTML (0 KB)  PDF (1154 KB)  ( 4 ) | Cite this article
Abstract:Due to narrow genetic basis of bacterial wilt resistance in tobacco, leaf production usually face enormous risks. In order to find new resistance sources, increased resistance genes is imperative for tobacco bacterial wilt resistant breeding. Dayemihe is a cultivar with good quality and resistance to bacterial wilt. To understand the resistance inheritance basis of Dayemihe, quantitative trait loci (QTL) conferring resistance to bacterial wilt were mapped out and characterized. A genetic linkage map with 287 SSR marker loci was constructed from a tobacco population consisting of 152 F2 individuals from Dayemihe×Changbohuang cross. The linkage map spans tobacco genome 2691.7 cM with average interval of 10.23 cM between adjacent markers. The resistance of both parents, F1 and F2 was identified, and the QTLs were mapped. 6 putative QTL for resistance to bacterial wilt were found on linkage groups 7, 8, 9, 15 and 22, accounting for 9.2% to 15.7% of phenotypic variance. This analysis indicated that resistant genes of Dayemihe were different from other resistant sources. The results provided important reference for exploitation and utilization of new resistant source in tobacco.
WANG Hancheng, ZHOU Hao, ZHANG Zhifan, CHEN Xingjiang, CAI Liuti, YU Zhihe
Induction and biological characters of laboratory mutants of Botrytis cinerea resistant to azoxystrobin
2018 Vol. 24 (3): 82-87 [Abstract] ( 12 ) HTML (0 KB)  PDF (951 KB)  ( 14 ) | Cite this article
Abstract:The aim of current study was to investigate possible resistance risk of B. cinerea to azoxystrobin.[Methods] The azoxystrobin-resistant isolates were induced by UV mutation. Fungicide sensitivity and biological characters of all isolates were analyzed. Results showed that Azoxystrobin presented high inhibition against conidial germination of B. cinerea, with EC50 value of 2.28 mg/L. Total five resistant isolates at different resistant levels were obtained by the UV mutation, and the range of resistant ratio was from 1.69 to 10.41. Biological character studies showed that all resistant isolates had stable sensitivity to the fungicide azoxystrobin after 11 continuous generations. The mycelial growth ratio of all resistant isolate was higher or lower than that of original isolate of B. cinerea. The conidia production and germination of all resistant isolates was lower than that of original isolate. The sclerotium production of resistant isolates was the same or lower than that of original isolate. All resistant isolates had pathogenicity on tobacco detached leaf, and some showed much stronger pathogenicity.[Conclusion] Azoxystrobin showed high activity against conidial germination of B. cinerea. If tobacco gray mold was controlled with azoxystrobin in the future, B. cinerea from tobacco had the fungicide resistant risk to azoxystrobin.
ZHANG Binbin, ZHAO Xiaoyu, ZHANG Kailun, XU Houjuan, XIA Xiaoming
Determination of susceptibility of Alternaria alternata to azoxystrobin and to azoxystrobin added with salicylhydroxamic acid
2018 Vol. 24 (3): 88-94 [Abstract] ( 7 ) HTML (0 KB)  PDF (983 KB)  ( 22 ) | Cite this article
Abstract:In order to investigate the sensitivity level of A. alternata to azoxystrobin, EC50 values of 33 isolates of A. alternata, collected from Shandong province and Hubei province, to azoxystrobin were determined using mycelium growth rate method. The sensitivity of 33 isolates to azoxystrobin with added salicylhydroxamic acid (SHAM) was also analyzed. Results showed that the EC50 values of 33 isolates to azoxystrobin varied from 60.5230 to 111.7918 mg·L-1, with an average of 83.9068±2.4339 mg·L-1. The mean EC50 value was 82.7986±2.5515 mg·L-1 for A. alternata collected from Shandong and 88.0230±6.6785 mg·L-1 for A. alternate collected from Hubei, respectively. However, the EC50 values of 33 isolates to azoxystrobin with added SHAM varied from 19.9090 to 35.6684 mg·L-1, with an average of 29.2007±0.7801mg·L-1. The toxicities under SHAM were enhanced by 0.70-2.98 times (with an average of 1.87 times) compared to that under azoxystrobin alone. The mean EC50 value of A. alternata to azoxystrobin with added SHAM was 28.5494±0.8914 mg·L-1 for Shandong and 31.6197±1.3290 mg·L-1 for Hubei, respectively. The toxicities were increased 1.90 and 1.78 times, respectively. Results also showed that azoxystrobin could inhibit mycelial growth of A. alternate. The toxicity of azoxystrobin to A. alternata could be significantly enchenced by adding SHAM, while the increase level of toxicity varied depending on different bacterial strains.
WANG Feng
Reflection on group-connecting economy and stimulating new growth momentum for leaf tobacco section
2018 Vol. 24 (3): 95-99 [Abstract] ( 7 ) HTML (0 KB)  PDF (1064 KB)  ( 14 ) | Cite this article
Abstract:New development of leaf tobacco section needs new reform to stimulate growth momentum. Growth demand of leaf tobacco section was analyzed and the concept of group-connecting economy was proposed in order to promote optimal allocation of resources and well adjust supply-demand relationship in tobacco industry by constructing "platforms + bilateral cluster" supply chain mode. Frame design and driving principle of group-connect economy were introduced. The overall design and content of group-connecting economy in tobacco agriculture were put forward in order to reduce transaction cost of tobacco industry.
ZHANG Huimin
Research and application of logistics route optimization in tobacco commercial enterprise
2018 Vol. 24 (3): 100-105 [Abstract] ( 28 ) HTML (0 KB)  PDF (1315 KB)  ( 26 ) | Cite this article
Abstract:In order to optimize logistics distribution route of Fujian Zhangzhou Municipal Tobacco Company based on distribution experience, an improved optimization algorithm for flexible line interception was proposed and studied. On the basis of rigid and flexible line interception algorithm. The algorithm improved the interception of flexible lines, changed the concepts of former administrative areas and distribution areas, and set up a flexible delivery mode which could be interpreted as "determine the delivery vehicle according to the loading capacity, determine the distribution line according to the number of the distribution households, distribution number and load are balanced, dynamic and optimized", thus achieving maximum vehicle utilization and minimizing the delivery mileage. Five years of practical application showed that in a week the number of deliveries increased from 25000 to 30000, and the number of cigarettes sold increased from more than 190 thousand cases to more than 240 thousand cases, while delivery line was reduced from 79 to 62. Good results have been achieved in cost reduction and efficiency improvement.
LI Jiabin, HE Shiwei, HU Hongchun, CUI Xiaoyun
Optimized scheduling model for logistics system of reclaimed cigarette cases
2018 Vol. 24 (3): 106-112 [Abstract] ( 16 ) HTML (0 KB)  PDF (1098 KB)  ( 10 ) | Cite this article
Abstract:To address problems in closed loop logistics system composed of cigarette factory, recycling center and distribution center of tobacco companies, the optimal scheduling model for recycling logistics system of cigarette cases was established at the lowest cost by taking into account the cases demand, recycling pass rate, processing and detection costs, recycling capacity of processing center and transportation cost between different points of the processing link. Based on actual case data, the optimal scheduling scheme is obtained by using optimization software CPLEX and two key factors influencing the optimization model were analyzed. Results showed that the higher the rate of the reclaimed cigarette cases, the better economic efficiency; the higher the cost of recycling operations, the less significant the recycling program.
CHE Wen, DAO Ronggui, YANG Liyan
Evaluation of logistics efficiency of high-nack warehouse in tobacco industry based on interval entropy matter-element model
2018 Vol. 24 (3): 113-119 [Abstract] ( 11 ) HTML (0 KB)  PDF (1239 KB)  ( 12 ) | Cite this article
Abstract:To evaluate logistics efficiency of high-nack warehouse in tobacco industry, the logistics status was analyzed. An evaluation system of logistics efficiency indexes was established and defined. The interval entropy method was used for weight calculation. A comprehensive evaluation model was established based on matter-element theory. The actual operation data of a tobacco industry enterprise high-nack warehouse was collected, and logistics efficiency was evaluated synthetically, and its comprehensive evaluation level was "good". The result verified the feasibility of the comprehensive evaluation method, and had guiding significance for improving efficiency of warehouse logistics.
FAN Meijuan, ZHAO Le, CUI Huapeng, PAN Lining, GUO Junwei, CHEN Li, WANG Hongbo, LIU Huimin
Research advances in risk evaluation of chemical components associated with e-cigarettes
2018 Vol. 24 (3): 120-129 [Abstract] ( 14 ) HTML (0 KB)  PDF (907 KB)  ( 62 ) | Cite this article
Abstract:Electronic cigarettes (e-cigarettes) have become the focus of international tobacco companies and served as an important part in the new tobacco products in China. Literature review was conducted in terms of chemical evaluation of e-cigarettes in recent years. In this article, related studies on e-liquids (in cartridges and in refill bottles), aerosols and hardware were reviewed. Levels of nicotine, aldehydes, ketones, volatile organic compounds (VOCs), tobacco-specific nitrosamines (TSNAs) and metals in e-liquid and aerosols were summarized. Comparison of toxins levels between conventional and e-cigarettes was conducted. Migration levels of hazardous substances in hardware were also investigated. A starting point for safety evaluation of e-cigarettes in the future was provided.
FANG Dunhuang, XIAO Bingguang, JIAO Fangchan, ZENG Jianmin, WU Xingfu
Current status and prospect in assessment of resistance of tobacco to Phytophthora nicotianae
2018 Vol. 24 (3): 130-135 [Abstract] ( 12 ) HTML (0 KB)  PDF (969 KB)  ( 15 ) | Cite this article
Abstract:Research progresses on identification of tobacco resistance to Phytophthora nicotianae were summarized from the aspects of identification methods, tobacco germplasm resources and new species (lines) resistance identification. This paper mainly discussed seedling inoculation methods by pathogenic fungus grain culture, zoospore suspension and pathogenic toxin, adult plant inoculation method with artificial disease nursery, and molecular marker-assisted resistance identification method. The history of resistance identification of China's tobacco germplasm and new varieties (lines) was reviewed. Resistant resource utilization, resistance identification techniques and work procedures are three main problems existing in resistance research. Countermeasures and thoughts were thus put forward to solve these problems.
LIN Min, WEN Yan, LIU Xingle, WANG Fang, LIU Yong
Design and application of multi-functional heat radiator module
2018 Vol. 24 (3): 136-138 [Abstract] ( 11 ) HTML (0 KB)  PDF (1025 KB)  ( 16 ) | Cite this article
Abstract:A multi-function integrated modular radiator device was developed to improve product quality and control extra maintenance cost due to radiator leakage of drying equipment. By partitions and partitions control ensured continuous production and increased reliability of product quality. This paper introduces a design approach and working principle of the new device. Analysis of working performance show that the multi-function integrated modular radiator device is satisfactory.
YUAN Yaru, XU Houjuan, HOU Xin, LIU Kai, LIU Chenglin, ZHAO Huanyu, LI Jiandong, XU Sai, WANG Yujun
Detection of tissue structure of tobacco leaf by microwave rapid paraffin sectioning method
2018 Vol. 24 (3): 139-140 [Abstract] ( 10 ) HTML (0 KB)  PDF (912 KB)  ( 10 ) | Cite this article
Abstract:The objective of this experiment was to explore a rapid and safe paraffin sectioning technology which is suitable for tobacco leaves. In this experiment flue-cured tobacco NC55 was used as tested material. The paraffin sections of tobacco leaves were made by conventional paraffin sectioning method and microwave rapid paraffin sectioning method, respectively. Through comparison, it was found that microwave rapid paraffin sectioning method was fast and safe, which can be applied to preparation of tobacco leaf tissue sections and serve as a new test method for tobacco tissue related researches.
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