Shuangliangyou Series of Hybrid Rice

Characteristics:

 Indica two-line hybrid rice varieties. In the middle and lower reaches of the Yangtze River, the whole growth period of a single season of medium rice was 133.2 days, 0.8 days later than that of the control Fengliangyou No. 4. The plant height is 124.9 cm, the ear length is 24.7 cm, the effective ears per mu are 178000, the total grains per ear are 209.4, the seed setting rate is 85.5%, and the 1000 grain weight is 23.6 g. Resistance: the comprehensive indexes of rice blast in two years are 3.1 and 3.5 respectively, the highest loss rate of ear neck blast is 5 levels, bacterial leaf blight is 5 levels, brown planthopper is 9 levels, moderately susceptible to rice blast, moderately susceptible to bacterial leaf blight, highly susceptible to brown planthopper, and the heat resistance at heading stage is strong. The main indicators of rice quality are: head rice rate 71.1%, chalkiness 0.9%, amylose content 15.8%, gel consistency 76 mm, alkali digestion value 5.8 levels, length width ratio 3.0, It has reached the third level of the standard of "Quality of Edible Rice Varieties" in the agricultural industry.