Occurrence Regularity of Myzus persicae and Aphid- transmitted Virus Disease in Zhenyuan County of Guizhou

[ Objective] The paper provided a reference for establishment of effective prevention mechanism against aphids in Zhenyuan tobacco area. [ Melllod ] The initial population quantity of aphids in early spring, migration of winged aphids, occurrence regularity and damage status of Myzus persicae and ap...

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Published inPlant Diseases and Pests(植物病虫害研究：英文版) Vol. 7; no. 4; pp. 19 - 22
Main Authors Jing, Yang, Jie, Chen, Rusong, Yang, Jun, Tang, Guangjin, Zou, Yan, Yang
Format Journal Article
LanguageEnglish
Published Cranston Wu Chu (USA-China) Science and Culture Media Corporation 01.08.2016
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Summary:[ Objective] The paper provided a reference for establishment of effective prevention mechanism against aphids in Zhenyuan tobacco area. [ Melllod ] The initial population quantity of aphids in early spring, migration of winged aphids, occurrence regularity and damage status of Myzus persicae and aphid-transmit- ted virus （PVY ＋ CMV） were investigated in Zhenyuan County from 2014 to 2015 using 10-point checkerboard sampling method, yellow dish trapping method and 5-point sampling method. [ Result] The total amount of aphids in Brassica campestris was the largest among overwintering hosts, with an average of 18.44 speci- men/plant. The migration of winged aphids presented bimedal pattern; the population dynamics of wingless aphids presented unimodal pattern, and the occurrence peak was from May to June. [ Conclusion] Field control against M. persicae in tobacco fields should be conducted from mid May to early June.
Bibliography:Myzus persicae ; Migration; Aphid-transmitted virus ; Occurrence regularity
[ Objective] The paper provided a reference for establishment of effective prevention mechanism against aphids in Zhenyuan tobacco area. [ Melllod ] The initial population quantity of aphids in early spring, migration of winged aphids, occurrence regularity and damage status of Myzus persicae and aphid-transmit- ted virus （PVY ＋ CMV） were investigated in Zhenyuan County from 2014 to 2015 using 10-point checkerboard sampling method, yellow dish trapping method and 5-point sampling method. [ Result] The total amount of aphids in Brassica campestris was the largest among overwintering hosts, with an average of 18.44 speci- men/plant. The migration of winged aphids presented bimedal pattern; the population dynamics of wingless aphids presented unimodal pattern, and the occurrence peak was from May to June. [ Conclusion] Field control against M. persicae in tobacco fields should be conducted from mid May to early June.
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ISSN:2152-3932