关键词: 大穗组合, 旱地育苗[49EF], 中稻[49EJ], 再生稻[49EJ], Ⅱ优6078

Abstract: According to the test, in the thermo-photo-sufficient areas of the eastern part of Sichuan Province, by means of raising seedings drily so as to sow early and transplant seedings early and undersly, the big-eared by brid rice Ⅱ-you6078 could be advanced with its ripe period 3-4 days shorter than the rice that was sowed in suitable period and the seedings of which was raised in water in the same areas and the yield of ratooning rice could be gained, of which the usual is 2700kg per hectre and the high could be 3000kg or more per hectare as well as the yeild of middle-season rice was increased 10 or more percent more than the main-applying hybrid rice varieries. This test could provide proots of applying big-eared hybrid rice varieties to plant as middle-season rice and rataooning rice and reseaching its potential yeild deeply in this areas.

Key words: BIG-EARED HYBRID RICE VARIETIES, UPLAND NURSERY, MIDDLE-SEASON RICE, RATOON RICE, Ⅱ-YOU6078