Field evaluation of summer spray oils against European Red mite and San Jose scale on apple
DOI:
https://doi.org/10.5958/2582-2683.2021.00040.XKeywords:
Code-461, HMO, apple, San Jose scale, European red miteAbstract
European red mite (ERM), Panonychus ulmi (Koch) and San Jose scale (SJS), Quadraspidiotus perniciosus are major insect pests of apple in Kashmir Valley, India. Field evaluation of summer spray oils (Code-461 and MAK All Season) at different concentrations were conducted at two locations i.e. Lisser Anantnag and Asham Bandipora during 2019. All the treatments were significantly superior in terms of per cent mortality of ERM and SJS as compared to untreated control. The cumulative mean mortality of ERM and SJS at recommended dose of 750 ml/100 litres of water both for Code-461 and Standard check (MAK All Season) were significantly at par with each othe r. No phytotoxicity symptoms viz., leaf injury, yellowing, wilting, necrosis, hyponasty and epinasty were recorded in case of Code-461 at 750 and 1500 ml/100 litres of water.
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References
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