根据南方稻区及江西省级联合区试结果,除已在生产广泛应用的汕优2号、威优6号、威优63、汕优63、威优64等组合外,杂交晚稻新组合在我省可供选择的有下列8个。1.Ⅱ优64 由Ⅱ32A X测64—7配组,株高89.63厘米,穗长21.24厘米,每穗总粒数106.31粒,结实率为68.85％,千粒重25.07克;出糙率81.18％,精米率72.12％,整精米率70.3％,垩白1级,直链淀粉含量24.47％,糊化温度5.92级,蛋白质含量为8.45％,平均亩产453.69公斤,高的可达543.3公斤,比威优64平均增产3.75％,达极显著点。全生 According to the regional test results of the southern rice area and Jiangxi provincial level, the new combination of late rice hybrids, except for the widely used combinations of Shanyou 2, Weiyou 6, Weiyou 63, Shanyou 63 and Weiyou 64, The province has the following eight options. 1.Ⅱyou 64 was composed of Ⅱ32A X test 64-7 with a plant height of 89.63 cm and a spike length of 21.24 cm. The total number of grains per panicle was 106.31, the seed setting rate was 68.85%, the grain weight was 25.07 g, the roughness rate was 81.18% The rate of 72.12%, milled rice rate 70.3%, chalky grade 1, amylose content 24.47%, gelatinization temperature 5.92 grade, the protein content of 8.45%, the average yield of 453.69 kilograms, up to 543.3 kilograms, 64 an average increase of 3.75%, reaching a significant point. All students