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Professor Jayashankar Telangana State Agricultural University, Hyderabad (2010)

STUDIES ON BIOECOLOGY AND MANAGEMENT OF POD SUCKING BUG COMPLEX IN ARID LEGUMES

SREENIVASULU, A

Titre : STUDIES ON BIOECOLOGY AND MANAGEMENT OF POD SUCKING BUG COMPLEX IN ARID LEGUMES

Auteur : SREENIVASULU, A

Université de soutenance : Professor Jayashankar Telangana State Agricultural University, Hyderabad

Grade : Master of Science (2010)

Résumé partiel
Studies on pod bug complex of Arid legumes viz Field bean, Cowpea, Greengram, Horse gram, clusterbean (vegetable type) Cluster bean seed type (Guar) were carried out during November 2007 to April 2008 in Dryland farm and in Entomology laboratory at Regional Agricultural Research station and S.V.Agricultural College Tirupati. Four sap sucking bugs viz., Riptortus pedestris F, tur pod bug Clavigralla gibbosa Spinola, Green stink bug, Nezara viridula. L and Coptosoma cribraria. L were identified in arid legume crop ecosystem at Tirupati, located in southern zone of A.P. In field bean and cowpea, incidence of R.pedestris, C.gibbosa, C.Cribraria started from 51 standard week and continued up to 15th standard week of 2008. In green gram, population of C.gibbosa was noticed on 2nd standard week and continued up to 8th standard week while C.cribraria was noticed from 4th standard week to 15th standard week. Regarding natural enemies, an egg parasitoid Gryon fulviventris and two unidentified spiders were found to be active on different life stages of pod bugs and suppress the bugs population naturally.

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