Splitting analysis of the second-generation rice hybrid ‘Bakhus x Kontakt’

The current paper has presented the study results of second-generation hybrid population ‘Bakhus x Kontakt’ combination. variety ‘Bakhus’ is large-kernelled, vigorously growing, tall, unresistant to lodging, ‘Kontakt short, resistant medium-kernelled. purpose was analyze inheritance a number quantitative traits in F 2 rice and select best plants for further breeding process. In process hybridological analysis, there have been established patterns main affecting productivity, identified undersized forms, which were formed compact erect panicles large kernels, selected source material work. carried out on plots OP «Proletarskoe» Rostov region 2019–2021. crossing 2019, 1 reproduced 2020, grown 2021. There found that according ‘plant height’ partial dominance lower trait values allelic differences parental varieties one pair genes. no ‘panicle length’; digenic initial varieties. According ‘number spikelets panicle’, positive transgression. spikelet length F2 hybrids, wide variation within variability from 6.8 11.0 mm. dominance. noted splitting ratio 1:4:6:4:1. 1000-kernel weight, monohybrid 3:1. morphotype differed optimal plant height, long panicles, their increased kernel percentage weight.