POPULATION DYNAMICS OF SUCKING PESTS IN GUAVA UNDER HIGH DENSITY PLANTING

C Prabakaran; M Suganthy; T Tamilnayagan

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POPULATION DYNAMICS OF SUCKING PESTS IN GUAVA UNDER HIGH DENSITY PLANTING

机译：POPULATION DYNAMICS OF SUCKING PESTS IN GUAVA UNDER HIGH DENSITY PLANTING

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The population dynamics of sucking pests of guava under a high-density planting system was studied at the Tamil Nadu Agricultural University, Coimbatore during 2016-2017. The reults revealed that maximum incidence of Aphis gosspii was observed during13"1 standard week (SW) (294.40/ top 3 leaves/ tree), and that of Ferrisia virgata (122.00/ 3 leaves/ tree) during 12,h SW. The maximum counts of Planococcus citri was during the 16lh SW (102.00/ 3 leaves/ tree) and that of Paracoccus marginatus (108/ 3leaves/ tree) during the 13"' SW, while in case of Bemisia (abaci it was 39th SW (84.00/ 3 leaves/ tree). There existed a positive correlation with maximum temperature, solar radiation, and a negative one with minimum temperature, relative humidity and rainfall for the incidence of sucking pests.

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来源
《Indian Journal of Entomology》 |2021年第2期|276-279|共4页
作者
C Prabakaran; M Suganthy; T Tamilnayagan;
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作者单位

Department of Agricultural Entomology, Tamil Nadu Agricultural University (TNAU), Coimbatore 641003, Tamil Nadu, India;

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正文语种英语
中图分类昆虫学;
关键词
Guava; aphid; mealy bugs; whitefiy; weather factors; seasonal incidence; direct counting; correlation coefficients; regression.;

POPULATION DYNAMICS OF SUCKING PESTS IN GUAVA UNDER HIGH DENSITY PLANTING

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