Screening of Chickpea Genotype for Sources of Resistance against Dry Root Rot Caused by Macrophomina phaseolina (Tassi.) Goid

Abstract

Breeding for resistance and screening of genotypes under both natural field conditions and artificial environments is an inexpensive and environmentally sustainable method for addressing the issue of dry root rot. Resistant varieties defend themselves against disease and save time, energy, and money spent on other forms of control. Screening of chickpea genotypes was carried out under natural field & artificial conditions during Rabi 2022 and 2023 at research farm of BSP, AICRP on Chickpea, JNKVV, Jabalpur Madhya Pradesh. Twenty six chickpea genotypes were tested against R. bataticola under natural conditions. Result of this study nine genotypes viz. JG 2020-1614, JG 52, JG 11 x JG 14, JG 18, JG 2020-12-16-8, ICCV 211204, JG 315, JG 2016-9651 and ICCV 191257 exhibited resistant reaction, seven were moderately resistant, six were moderately susceptible, three were susceptible and only one (L550) showed highly susceptible reaction. Screening of twenty six genotypes using blotter paper technique (artificial conditions). Result of this study two genotypes viz. ICCV 211204 and JG 2016-9651 showed resistant reaction, six had moderately resistance, thirteen were moderately susceptible reaction, two showed susceptible reaction, and three namely L 550, JAKI 9218 and JG 62 were showing highly susceptible reaction.