STABILITY ANALYSIS IN PROMISING BIO-FORTIFIED RED KERNEL GENOTYPES OF RICE (Oryza sativa L.) BY USING AMMI MODEL
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Date
2017-05-11
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DBSKKV DAPOLI
Abstract
The present investigation entitled “Stability analysis in promising bio-fortified red kernel genotype of rice (Oryza sativa L.) by using AMMI model” was conducted at the experimental farm of Agricultural Research Station, Shirgaon,Agricultural Research Station,Phondaghat and College of Agriculture, Dapoli (M.S.) during Kharif 2016. Stability analysis of twenty genotypes of bio-fortified red kernel rice at three environments and at three locations.The results indicated that, Genotypes, RTN-1201-51-2-1-5-48,RTN1211-5-1-3-5 and RTN-1201-5-1-3-14 are high yielding and stable at Dapoli and Shirgaon location. Genotypes, RTN-1201-13-2-2-1-32, RTN-1201-51-2-1-5-48 andRTN-1211-6-1-3-1-8 are Favourable for characters viz., Spikelet fertility, test weight, plant height, panicle length and micronutrients and stable at Shirgaon location
In interaction principle axis of AMMI biplot, first interaction principle axis (IPCA I) are favourable for all characters but second interaction principle axis (IPCA II) are favourable for characters such as spikelets fertility, grain yield plot-1 (kg), number of panicles square meter-1, protein and amylose content (%), iron content (ppm), grain yield plant-1 (g) and total number of spikelets panicle-1. In AMMI 1 biplot, Dapoli location favourable for characters viz., day to 50 per cent flowering, number of panicles square meter-1, grain yield plant-1, total number of spikelets panicle-1, and number of filled spikelets panicle-1. Phondaghat location favourable for characters viz.,spikelets fertility, amylose content, protein content and Shirgaon location favourable for number of tillers plant-1,
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panicle length, test weight, grain yield plot-1, straw yield plot-1 and plant-1, plant height, iron and zinc content.
Genotype, RTN-1211-4-2-1-1 is stable for grain yield plot-1, grain yield plant-1 and protein content. Genotype, RTN-1201-13-2-21-32 is most favourable for all the characters in the entire three environments, they give high yield. More plant height, more content of micronutrients.
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