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Field Prevention and Control of Tobacco Black Shank in Guizhou Province
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Field Prevention and Control of Tobacco Black Shank in Guizhou Province
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Journal Article
Field Prevention and Control of Tobacco Black Shank in Guizhou Province
2024
Overview
Key words Tobacco black shank; Prevention; Treatment; Field (ProQuest: ... denotes formulae omitted.) 1 Introduction Tobacco is classified within the genus Nicotiana, family Solanaceae, order Tubiflorae, class Dicotyledoneae, and division Angiospermae. The mild consequences include a reduction in yield, while severe cases may result in the cessation of harvest activities, thereby causing significant economic losses for tobacco farmers. [...]this situation incurs substantial economic losses. (2) Relative control efficiency = ( Disease index in the control group - Disease index in the treatment group ) / Disease index in the control ...
Publisher
Wu Chu (USA-China) Science and Culture Media Corporation
Subject
