EFFECT OF TEMPERATURE AND DURATION OF LEAF WETNESS ON ASCOCHYTA BUGHT DEVELOPMENT IN CHICKPEA

Article Id: ARCC3873
Citation :- EFFECT OF TEMPERATURE AND DURATION OF LEAF WETNESS ON ASCOCHYTA BUGHT DEVELOPMENT IN CHICKPEA.Legume Research-An International Journal.2003.(26)
Khirbat S.K., Jalali B.L.
Address : Department of Plant Pathology, CCS Haryana Agricultural Umversity, Hisar - 125 004, India

Abstract

The optimum temperature and period of leaf wetness requirement for Ascochyta blight development in one month old chickpea plants of resistant (EI00Y) lIIld susceptible (H208) genotypes were studied after inoculation with two Ascochyta rabiej isolates. The shortest period of leaf wetness needed for successful infection was 36 hours at 200C in susceptible genotype. However, the leaf wetness period required for successful infection in resistant genotype was 60 hours. The maximum infection was recorded when the temperature was 200C with a period of leaf wetness of 72 hours.

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