Agricultural Science Digest

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Agricultural Science Digest, volume 33 issue 1 (march 2013) : 63-67

EFFECT OF SUSTAINABLE PEST MANAGEMENT APPROACHES ON THE POPULATION DYNAMICS OF SPIDER FAUNA INHABITING PIGEON PEA AGRO-ECOSYSTEM

Ram Subhag Singh*, Paras Nath1, Akhilesh Kumar2
1Department of Entomology and Agricultural Zoology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221 005, India

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Cite article:- Singh* Subhag Ram, Nath1 Paras, Kumar2 Akhilesh (2024). EFFECT OF SUSTAINABLE PEST MANAGEMENT APPROACHES ON THE POPULATION DYNAMICS OF SPIDER FAUNA INHABITING PIGEON PEA AGRO-ECOSYSTEM. Agricultural Science Digest. 33(1): 63-67. doi: .

ABSTRACT

The effect of intercropping and application of ecofriendly biopesticides (NSKS 5%, B.t (Halt) 1.5% and Nimbecidince 1%) on the population of spider fauna inhabiting pigeonpea cv. Bahar agroecosystem was studied. The three species of spiders i.e. lynx spider (Oxyopus sp.), sac spider (Clubiona sp.) and orb weaver spider (Araneus sp.) predominantly occurred to predates on larvae of L. boeticus, E. atomosa and G. critica. The intercropping had significant influence (P=0.10) on the population of spider fauna. The pigeonpea + rice intercrop harboured maximum population of spider (0.75 plant-1) than other intercrops and monocrops during both years of experiment. The application of ecofriendly biopesticieds for the management of pod borers had no adverse effect on the population of spider fauna. The minimum population of spider was observed at 228 DAS. Thereafter, increased gradually to reach its peak at 273 DAS.

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