Year: 2016 | Month: December | Volume 9 | Issue 6
Effect of Agro-chemicals on Severity of Bacterial Blight and Fruit Quality in Pomegranate
Abstract:
Bacterial blight of pomegranate caused by Xanthomonas axonopodis pv. punicae is a wide spread disease affecting pomegranate production and quality of fruit in Punjab. In-vitro evaluation of agrochemicals indicated that blitox at 3000 ppm followed by kocide 2500 ppm successfully managed the disease. A field experiment was also conducted for its management at New orchard, Punjab Agricultural University, Ludhiana during, 2013. Three sprays of the agro-chemicals were done at 15 days interval starting from end June to end July on Mridula variety of pomegranate. Among the various treatments, blitox (0.3%) + streptocycline (250 ppm) proved most effective in reducing per cent disease index, per cent fruit cracking and providing maximum disease control. Quality parameters viz., TSS, acidity, weight, pulp colour, juice weight etc. were also studied. Maximum TSS, fruit weight, juice weight, pulp weight, 100 grain weight and total grain weight were observed in blitox (0.3%) + streptocycline (250 ppm) followed by kocide (0.25%) + streptocycline (250 ppm) sprayed fruits.
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