寒地水稻优质品种产量对比研究

为筛选适宜三江地区种植的优质高产水稻品种,选用10、11、12叶的15个水稻品种进行对比试验。结果表明:增产潜力最大的为10叶品种三江1号和11叶品种垦稻17,其产量分别为11 070和10 875kg·hm-2,分别增产12.8%和10.9%。产量最低的为垦稻16和垦稻12,产量为7 740和8 820kg·hm-2。综合分析各品种的丰产性、稳产性、抗逆性及适应性,推荐在三江地区生产中可以大面积种植的10叶品种为三江1号,11叶品种有垦稻17、垦稻22和三江3号,12叶品种垦鉴稻6号。

Comparative Study on Yield of High Quality Rice Varieties in Cold Region

In order to screen rice varieties with high yield and quality suitable for planting in Sanjiang region , taking 15 varieties of 10 ,11 and 12 leaves as materials to compare .The results showed that the maximum yield increasing potentiality varieties with 10 and 11 leaves were Sanjiang 1 and Kendao17 ,the yield were 11 070 and 10 875 kg·hm^-2 ,which were increased by 12 .8% and 10 .9% than Kongyu 131 respectively .Kendao 16 and Kendao 12 had the lowest yield by 7 740 and 8 820 kg·hm^-2 .The characteristics of high yield ,stable yield ,re-sistance and adaptability of different varieties were synthetically analyzed ,10 leaves variety of Sanjiang 1 ,11 leaves varieties of Kendao 17 ,Kendao 22 and Sanjiang 3 and 12 leaves variety of Kenjiandao 6 were all recom-mended to plant in production of Sanjign region .