PJB-2011-149
INDUCED SYSTEMIC RESISTANCE IN CHICKPEA AGAINST ASCOCHYTA BLIGHT BY SAFE CHEMICALS
NIGHAT SARWAR1*, M. HAYAT ZAHID1, SHAFAQ ASHFAQ1 AND FARHAT F. JAMIL2
Abstract
Chickpea variety, C727 susceptible to Ascochyta rabiei, was grown in small plots of 20 sq feet area. Induction treatments were given by spraying aqueous solutions of 1.0 mM Salicylic acid, 50 mM K2HPO4 (analytical and commercial grade), 0.4 mM Bion and two types of neem leaves extract (50mg/ml, leaves boiled in methanol, methanol was evaporated then residue dissolved in water and in other extract neem leaves were boiled in water) at flowering stage of the plants in triplicates. Control plants were treated with water only. One week after induction treatments, all the plants were challenged with spore suspension of A. rabiei (106 spores/ml). Disease data was recorded after disease was fully developed on control plants. Plant tissues were collected at 0
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