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- W58072247 abstract "Drought is the most common abiotic stress limiting chickpea productionbecause chickpea is usually grown under the residual soil moisture. To identify andevaluate drought tolerant chickpea genotypes, the study was carried out with fourexperiments at Sebin Research Farm, Zaloke Research Farm, and International CropsResearch Institute for the Semi-Arid Tropics (ICRISAT) during post-monsoon seasonof 2008-2009 and 2009-2010. The experimental materials consisted of 39 chickpeagenotypes.Chickpea genotypes were significantly different for evaluated traits under nonirrigatedand irrigated conditions, indicating that drought stress increased variation forthese traits. Drought stress reduced seed yield and its attributes. Mean seed yield wasdecreased by 21% at Zaloke and by18% at ICRISAT experiments under non-irrigatedcondition than irrigated condition. Five genotypes were detected with high seed yieldunder non-irrigated condition. They were ICCC 37 at Sebin and Zaloke, and PCHL04-5, ICCV 03107, Annigeri and ICCV 00108 at ICRISAT. These genotypes werealso observed superior to the seed yield of drought tolerant check genotype (ICC4958) under irrigated condition. Simple correlation among the traits with seed yieldshowed that there was significant and positive correlation between number of podsper plant and seed yield (r=0.41 at p < 0.01) at Sebin and (r=0.31 at p < 0.05)ICRISAT experiments, and drought tolerance indices were significantly associatedwith seed yield at Zaloke.The SPAD chlorophyll meter reading (SCMR) was increased but specific leafarea (SLA), and relative water content (RWC) were decreased in most of thegenotypes under non-irrigated condition as compared to irrigated condition. Thisstudy also identified good performance in two genotypes for SCMR (ICCV 03110 andICCV 00108), five genotypes for SLA (ICCV 01303, ICCV 03406, ICCV 04303,ICCV 04301 and ICCV 03302) and four genotypes for RWC (ICCC 37, Yezin 6,Karachi and ICCV 00108). Results showed that the SCMR was significantly relatedto seed yield (r=0.32 at p < 0.05) and SLA (r=-0.32 at p < 0.05). The genotypeshaving high SCMR and low SLA seemed to be resistance to drought.Root study revealed that a large genetic variability was observed for root traitswith good levels of heritability. The genotypes, PCHL 04-34, Shwenilonegi, ICCV03103, Yezin 6 and PCHL 04-32, were found to have the largest root length densityand the deepest root system. All root traits were significantly inter-correlated andassociated with shoot dry weight." @default.
- W58072247 created "2016-06-24" @default.
- W58072247 creator A5091114460 @default.
- W58072247 date "2011-01-01" @default.
- W58072247 modified "2023-09-23" @default.
- W58072247 title "Evaluation on performance of chickpea (Cicer arietinum L.) genotypes under water stress condition" @default.
- W58072247 hasPublicationYear "2011" @default.
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