SELECTION OF THE HIGH-YIELD AND GOOD-QUALITY RICE VARIETY FOR THE SUMMER RICE IN SON LA CITY, SON LA PROVICE

Abstract

To selection of short-term rice varieties with high yields and quality to supplement the rice varieties for Son La province, an experiment consisting five rice varieties  were designed as random complete block design with three replications and was conduced in year 2015. The results showed that duration of the rice varieties were classified as a short time rice group, suitable for summer rice variety in Son La city; The rice varieties belong to low height group (100.9 to 115.9 cm), they have high tillering ability (12-14 tiller per hill), but low tillering efficiency (43.1 to 54.8 %); they were infected rice leaf folder; rice blast disease only appeared on the control treatment in both two study location. GL159 variety obtained the yield equivalent to the control and stable through two study sites, but needs further evaluation in the next time due to heterogenous plant population.