[Objectives]The paper was to investigate the relationship between the well-cellar early transplanting of robust seedlings and the prevalence of diseases in the Shiyan tobacco-growing area.[Methods]The relationship bet...[Objectives]The paper was to investigate the relationship between the well-cellar early transplanting of robust seedlings and the prevalence of diseases in the Shiyan tobacco-growing area.[Methods]The relationship between disease occurrence and meteorological factors during the field growth period was examined by analyzing the prevalence of flue-cured tobacco virus diseases,brown spot,and total disease in the Shiyan tobacco-growing area before(2013-2017)and after(2018-2022)the well-cellar early transplanting of robust tobacco seedlings.[Results]The implementation of a well-cellar early transplanting technique of robust seedlings resulted in a reduction in the average incidence of tobacco virus disease,brown spot,and total disease by 0.83%,8.85%,and 7.91%,respectively,in comparison to the incidence observed prior to early transplanting.These findings suggest that early transplanting can significantly reduce the incidence of flue-cured tobacco diseases.Prior to the well-cellar early transplanting of robust tobacco seedlings,there was a significant(including highly significant)positive correlation between the incidence of brown spot and total disease and precipitation in August and September.The incidence of brown spot and total disease in tobacco plants was found to be significantly positively correlated with May precipitation and significantly negatively correlated with May sunshine hours following the well-cellar early transplanting of robust seedlings.The advancement of the transplanting period by 20 d resulted in a reduction in the growing period of tobacco plants in the field under autumn rains(late August to November)in western China.This effectively circumvented the suitable conditions for disease occurrence and can reduce the incidence of disease.[Conclusions]This study offers a framework for enhancing the quality and efficiency of flue-cured tobacco production in the northwest tobacco-growing area of Hubei.展开更多
The application of flue-cured tobacco well-cellar transplanting technique un- der film and covering bowl in southwest prefecture of Guizhou province was intro- duced. And the two flue-cured tobacco well-cellar transpl...The application of flue-cured tobacco well-cellar transplanting technique un- der film and covering bowl in southwest prefecture of Guizhou province was intro- duced. And the two flue-cured tobacco well-cellar transplanting techniques were compared. Results showed that compared with flue-cured tobacco well-collar trans- planting technique under film, the technique covering bowl had the advantages of protecting ecological environment, reducing labor force and cost, resisting the bad weather and so on. This research provided theoretical foundation for the early appli- cation flue-cured tobacco well-cellar transplanting technique covering bowl in different展开更多
为缓解烤烟井窖式栽培中移栽期低温对烤烟产量和品质的影响,以主栽品种云烟97为材料,设置了T1(4月12日)、T2(4月19日)、T3(4月26日)3个不同移栽时间,调查不同移栽时间烤烟定植后成活率、植株生长情况、产量及品质。结果表明,T1、T2处理...为缓解烤烟井窖式栽培中移栽期低温对烤烟产量和品质的影响,以主栽品种云烟97为材料,设置了T1(4月12日)、T2(4月19日)、T3(4月26日)3个不同移栽时间,调查不同移栽时间烤烟定植后成活率、植株生长情况、产量及品质。结果表明,T1、T2处理杂草非常少,且二者总产量都超过1 700 kg·hm^(-2),T1上等烟量最高;3个处理植株长势都优于CK,其中T1植株长势最好,T2次之。T1处理还原糖、总糖、钾、氯、糖碱比最低,而总植物碱、总氮含量最高,钾氯比最高。T1处理中致香物质含量最高。因此,在道真县高海拔烟区提前7 d (4月12日)移栽能提高烤烟产量,提升烟叶品质。展开更多
基金Supported by Research Program on Prevention and Control Technology of Tobacco Potato Virus Y Disease(SYK2023-06).
文摘[Objectives]The paper was to investigate the relationship between the well-cellar early transplanting of robust seedlings and the prevalence of diseases in the Shiyan tobacco-growing area.[Methods]The relationship between disease occurrence and meteorological factors during the field growth period was examined by analyzing the prevalence of flue-cured tobacco virus diseases,brown spot,and total disease in the Shiyan tobacco-growing area before(2013-2017)and after(2018-2022)the well-cellar early transplanting of robust tobacco seedlings.[Results]The implementation of a well-cellar early transplanting technique of robust seedlings resulted in a reduction in the average incidence of tobacco virus disease,brown spot,and total disease by 0.83%,8.85%,and 7.91%,respectively,in comparison to the incidence observed prior to early transplanting.These findings suggest that early transplanting can significantly reduce the incidence of flue-cured tobacco diseases.Prior to the well-cellar early transplanting of robust tobacco seedlings,there was a significant(including highly significant)positive correlation between the incidence of brown spot and total disease and precipitation in August and September.The incidence of brown spot and total disease in tobacco plants was found to be significantly positively correlated with May precipitation and significantly negatively correlated with May sunshine hours following the well-cellar early transplanting of robust seedlings.The advancement of the transplanting period by 20 d resulted in a reduction in the growing period of tobacco plants in the field under autumn rains(late August to November)in western China.This effectively circumvented the suitable conditions for disease occurrence and can reduce the incidence of disease.[Conclusions]This study offers a framework for enhancing the quality and efficiency of flue-cured tobacco production in the northwest tobacco-growing area of Hubei.
文摘The application of flue-cured tobacco well-cellar transplanting technique un- der film and covering bowl in southwest prefecture of Guizhou province was intro- duced. And the two flue-cured tobacco well-cellar transplanting techniques were compared. Results showed that compared with flue-cured tobacco well-collar trans- planting technique under film, the technique covering bowl had the advantages of protecting ecological environment, reducing labor force and cost, resisting the bad weather and so on. This research provided theoretical foundation for the early appli- cation flue-cured tobacco well-cellar transplanting technique covering bowl in different
文摘为缓解烤烟井窖式栽培中移栽期低温对烤烟产量和品质的影响,以主栽品种云烟97为材料,设置了T1(4月12日)、T2(4月19日)、T3(4月26日)3个不同移栽时间,调查不同移栽时间烤烟定植后成活率、植株生长情况、产量及品质。结果表明,T1、T2处理杂草非常少,且二者总产量都超过1 700 kg·hm^(-2),T1上等烟量最高;3个处理植株长势都优于CK,其中T1植株长势最好,T2次之。T1处理还原糖、总糖、钾、氯、糖碱比最低,而总植物碱、总氮含量最高,钾氯比最高。T1处理中致香物质含量最高。因此,在道真县高海拔烟区提前7 d (4月12日)移栽能提高烤烟产量,提升烟叶品质。
