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Deng H.,Nanxiong Tobacco Research Institute of Guangdong | Deng H.,South China Agricultural University | Lv Y.,Guangdong Provincial Tobacco Corporation | Tian M.,South China Agricultural University | And 3 more authors.
Acta Tabacaria Sinica | Year: 2015

Potential predacious ability, functional response and searching rate of H. fuscipes on Myzus persicae in lab were analyzed. Effects of intraspecific density and different spatial conditions on predation of H. fuscipes were studied. Result showed that the predacious functional response of H. fuscipes fitted to Holling II equation. The functional responses could be clearly described with such equation as Na=1.1153Nt/(1+0.0164Nt), and the maximum potential predacious ability of H. fuscipes on tobacco aphis was calculated as 194.89 individuals/day female. Predacious efficiency was reduced with increased mutual interference between individual predators. Predation ration (E) of predator decreased with the increase of H. fuscipes density. Space heterogeneity had great effects on predation, i. e. predation rate of predator decreased as environmental obstruction became stronger. ©, 2015, State Tobacco Monopoly Bureau and China Tobacco Society. All right reserved.


Deng H.,Guangdong Nanxiong Tobacco Research Institute | Deng H.,South China Agricultural University | Chen Z.,Guangdong Provincial Tobacco Company | Tian M.,South China Agricultural University | And 3 more authors.
Acta Tabacaria Sinica | Year: 2013

Life table characteristics of reduviid Harpactor fuscipes (Fabricius) were studied when preying on Myzus persicae (Sulzer) and Spodoptera litura (Fab.) with tobacco as host plant. Feasibility of artificial rearing of Harpactor fuscipes was evaluated. Age specific and fecundity specific life table were constructed. The following population parmeters were obtained: cumulative survival rate of immature (∏ Si) on M. persicae and S. litura of 0.67 and 0.74, generation duration (T) of 84.6096d and 81.0113d, index of population trend (I) of 26.0075 and 29.6275, net reproductive rate of 24.7964 and 30.8949, innate capacity of population increase of 0.0379 and 0.0424, finite rate of increase of 1.0386 and 1.0433, and doubling time of 17.42d and 15.19d respectively. Results show that predator H. fuscipes develops well in aphid M. persicae or in tobacco armyworm S. litura, both are important pests in tobacco.


Zhang Z.,Guangdong Academy of Agricultural Sciences | Zhang Z.,Guangdong Provincial Key Laboratory of Crops Genetics and Improvement | Lyu Y.,Guangdong Provincial Tobacco Company | Ma Z.,Guangdong Academy of Agricultural Sciences | And 13 more authors.
Acta Tabacaria Sinica | Year: 2015

A 6×6 diallel cross of six tobacco varieties with different resistance to bacterial wilt (Ralstonia solanacarum) was made. Genetic analysis was conducted by Griffing-I and Hayman' s method. Inheritance of resistance to bacterial wilt in tobacco in PI, P2, F1 and F2 from the cross Dayemihe (resistant, Chinese domestic variety) × Changbohuang (susceptible, Chinese domestic variety) was investigated by the mixed major gene plus polygene inheritance model of quantitative traits. Results indicated that the resistance to bacterial wilt in tobacco was controlled by nucleolus inheritance. The resistant genes parents were different. Resistance of the cross Dayemihe × Changbohuang was controlled by two adding-dominance-epistatic major genes plus adding-dominance polygene model. Effect of 2 main genes on addition and domination was 0.5013, -0.3023 and 1.6439, 0.8401 respectively while that of polygene was -1.3989 and -1.7798. The heritability of major gene was 63.95%. ©, 2015, State Tobacco Monopoly Bureau and China Tobacco Society. All right reserved.


Ye Z.,Guangdong Provincial Tobacco Company | Wang Y.,Guangdong Provincial Tobacco Company
Acta Tabacaria Sinica | Year: 2013

The concept of "management and control of construction project investment" was put forward, according to construction difficulties and existing literatures. Based on project life cycle, the difficulties and problems of construction project management were analyzed to find their constructive countermeasures in each stage, which would be anticipated to provide references for management, control and supervision on the construction project of tobacco companies.


Wang Y.,Guangdong Provincial Tobacco Company
Acta Tabacaria Sinica | Year: 2013

Enterprise culture has always been a hot research topic especially in a time when enterprise management is entering a new stage. However, insufficient research has been done on tobacco enterprise culture construction with strategic perspective. Misunderstandings of tobacco enterprise culture construction without consideration of strategy are analyzed in detail. A framework reflecting relationship between tobacco enterprise culture and its strategy is established, under the guidance of the Top Two Principles. Policy suggestions are proposed.


Zhao W.,Guangdong Provincial Tobacco Company | Qiu M.,Guangdong Provincial Tobacco Company | Chen J.,South China Agricultural University | Luo H.,Guangdong Provincial Tobacco Company | Wang W.,South China Agricultural University
Acta Tabacaria Sinica | Year: 2013

A new variety of flue-cured tobacco Yueyan98 was developed though selfing, pedigree breeding, backcross polymerization, and again pedigree breeding of the F1 hybrid variety cultivated by Coker206 as female parent and K326 as male parent. The new variety was characterized by uniform and strong growth, better plant type, strong adaptability, steady genetic character, good maturity, loose leaf structure, proper vane thickness, rich oil, coordinated internal chemical composition, good smoking aroma quality, and sufficient aroma quantity. Resistance to black shank, bacterial wilt, root knot nematode disease and the infection with TMV and CMV was moderate, while infection by brown spot was found. Yield, average price, output value, high quality ratio, and high or middle quality ratio were higher or significantly higher than those of K326. Leaf was characterized by strong flavor.

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