云粳37特征特性与半机械直播栽培技术

介绍水稻品种云粳37的特征特性,并总结了其高产栽培技术,为该品种轻简高效栽培提供技术支撑。云粳37为粳型常规水稻品种,在贵州省遵义市种植,全生育期为153 d,株高120 cm左右,穗长18.3 cm,有效穗数256万穗/hm^2,每穗总粒数143.6粒,结实率88.7%,千粒重24.94 g,示范种植单产在6750~7500 kg/hm^2;具有耐寒、感光性强、抗病、米质好、香味重、食味好、高产、生育期早等特点。

Characteristics of Yunjing 37 and Its Cultivation Techniques of Semimechanical Direct Seeding

The characteristics of Yunjing 37 were introduced,and its high-yield cultivation techniques were summarized,in order to provide the technical support for its light,simple and efficient cultivation. Yunjing 37 was a conventional japonica rice variety,planted in Zunyi City of Guizhou Province,with a total growth period of 153 days,plant height of 120 cm,ear length of 18.3 cm,effective ear number of 256 million ears/hm^2,total grain number per ear of 143.6,seed setting rate of 88.7%,1 000 grain weight of 24.94 g,and unit yield of demonstration planting between 6 750-7 500 kg/hm^2. It had the characteristics of cold resistance,strong light sensitivity,disease resistance,good rice quality,heavy aroma,good taste,high yield and early childbearing period.