1, middle and lower reaches of the Yangtze River: the average growth period of mid-season rice in one season is 137.5 days, which is 4.6 days later than that of the control Shanyou 63. Plant height 122.4 cm, effective panicles per mu177,000, panicle length 24.8 cm, total grains per panicle 150.4, seed setting rate 84. 1%, and 1000-grain weight 27.2g.. Resistance: the average level of rice blast is 5.2, and the highest level is 9; Xanthomonas oryzae pv. oryzae. 7; Brown rice louse level 3. Main indicators of rice quality: head rice rate is 69.5%, aspect ratio is 2.3, chalkiness rate is 565,438+0%, chalkiness degree is 65,438+065,438+0.6%, gel consistency is 68 mm, and amylose content is 23.6%. 2. Wuling Mountain Area: The average growth period of mid-season rice planting is 15 1.4 days, which is 2. 1 day later than the control Ⅱ. Plant height 1 16.3 cm, effective panicle yield per mu174,000, panicle length 23.8 cm, total grains per panicle 146.4, seed setting rate 89.7% and 1000-grain weight 27.3g.. Resistance: the average level of rice blast 1, the highest level is 3. Main indicators of rice quality: head rice rate is 54.7%, aspect ratio is 2.4, chalkiness rate is 69%, chalkiness 1 1.0%, gel consistency is 48 mm, and amylose content is 23.0%.