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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2017, Vol. 5, Issue 4
Evaluation of efficacy of predators against green apple aphid (Aphis pomi) in apple orchards and cabbage aphid (Brevicoryne brassicae) in cabbage field of Kashmir

Akhtar Ali Khan, Shazia Riyaz and Ajaz Ahmad Kundoo

The experiment was conducted to evaluate the efficacy of natural enemies against green apple aphid, Aphis pomiin apple orchards and cabbage aphid, Brevicoryne brassicae in cabbage field. 2nd and 3rd instar larvae of three species of coccinellids viz., Coccinella septempunctata, Adalia tetraspilota and Hippodamia verigata and one species of chrysopid (Chrysoperla z. sillemi) were released @ 30/tree (4 weekly release) in apple orchards of Pattan of district Baramulla and 5/ plant in cabbage of farmer field Narkara of district Budgam with a treated check (Imdaclorpid 17.8SL @ 0.28ml/Liter of water) and with an untreated check (use water only) for experiments in both the cases during 2014. Both the stages were monitored for their efficacy on apple aphid and cabbage aphid on the ‘Red delicious’ varieties and ‘Golden acre’ variety of cabbage respectively. The 3rd instar stage of Coccinella septempunctata exhibited best performance on the basis of reduction of green apple aphid (62.00%) and cabbage aphid (63.98%) with highest recovery of 52.00% and 54.4%, respectively. Hence, Coccinella septempunctata may be considered as a potential bio-control agent against green apple aphid and cabbage aphid in respective ecosystems of Kashmir.
Pages : 112-116 | 462 Views | 33 Downloads
How to cite this article:
Akhtar Ali Khan, Shazia Riyaz and Ajaz Ahmad Kundoo. Evaluation of efficacy of predators against green apple aphid (Aphis pomi) in apple orchards and cabbage aphid (Brevicoryne brassicae) in cabbage field of Kashmir. 2017; 5(4): 112-116.
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