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Characteristics:

Indica two-line hybrid rice varieties. In the middle and lower reaches of the Yangtze River, the whole growth period of one crop of medium rice is 134.8 days, 2.4 days later than that of the control Fengliangyou No. 4. The plant height is 127.3 cm, the spike length is 24.7 cm, the effective spikes per mu are 179000, the total grains per spike are 210.8, the seed setting rate is 85.5%, and the 1000 grain weight is 23.1 g. Resistance: the comprehensive indexes of rice blast in two years are 3.3 and 2.9 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 indexes of rice quality are: head rice rate 69.7%, chalkiness 0.8%, amylose content 15.2%, gel consistency 71mm, alkali digestion value 6.7 levels, length width ratio 3.1, It has reached the second level of the standard of "Quality of Edible Rice Varieties" in the agricultural industry.

Key points of cultivation technology:

1. Sow at the right time, sow thinly and evenly, and cultivate strong tillers. The seed consumption per mu of field is 1 kg, and the seed consumption per mu of seedling field is 8-10 kg.
2. Transplant in a timely manner. The seedling age should be controlled within 30 days. The planting density should be 12000 holes per mu, with two seedlings per hole.
3. The total amount of pure nitrogen required for each mu of field is 12-14 kg, and the ratio of nitrogen, phosphorus and potassium fertilizer is 1:0.5:0.7. Apply base fertilizer heavily, tillering fertilizer early, and avoid applying nitrogen fertilizer at a later stage. The irrigation method of "planting seedlings in shallow water, living trees in inch water, tillering in thin water, heading in deep water, and dry, wet and wet in the later stage" shall be adopted, so that the seedlings can be timely dropped into the water and dried in the field to control the seedlings.
4. Pay attention to the timely prevention and control of rice blast, sheath blight, bacterial leaf blight, rice false smut, borer, rice planthopper and other diseases and pests.

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