Abstract
The research was aimed to study yield and yield component trait association and salinity tolerance of rice genotypes under mild saline stress condition. The activity was done in Soge, Kandanghaur Indramayu district, West Java Indonesia, from July to November 2020. The material consisted of 150 genotypes including sixteen check varieties represented high yield popular rice varieties and salinity tolerance rice varieties. The alpha lattice design with two replications with a 4 m2 plot size was used in this experiment. A total of three seedlings that was twenty-one days old was manually transplanted in one hole with a 25 x 25 cm planting space. The result showed that under mild saline stress condition, there was no association between grain yield and salinity tolerance at the seedling stage. The grain yield positively correlated with a tolerance of genotype at the vegetative stage, plant height, tiller number, spikelet fertility and negatively associated with unfilled grain number. These traits can be used as indirect selection criteria for high grain yield under mild saline stress condition.
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