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Taiyou 647

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Taiyou 647

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Hybrid rice

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It is an indica-type three-line hybrid rice cultivar prepared by the self-selected sterile line Tai 106A and the self-restoring line Taihui 2547. It is planted as a mid-season rice in the middle and lower reaches of the Yangtze River. The whole growth period is 137.2 days. It is Bifeng Liangyou No. 4 (CK) Early maturity 1.1 days. The combination has moderate plant type, light green leaf color, flat and long flag leaves, moderate tillering power, strong lodging resistance, and better color fading. The average yield per mu is 661.59 kg, which is 6.1% higher than Fengliangyou No. 4 (CK).

Main agronomic characteristics: effective ear number per mu is 135,000, plant height is 124 cm, ear length is 26 cm, the total number of grains per ear is 210, the seed setting rate is 86.8%, and the thousand-grain weight is 29.4 grams. Resistance: Rice blast comprehensive index is 5.6, panicle blast loss rate is the highest 7; bacterial blight is 3. The main indicators of rice quality: the whole rice rate is 54.2%, the aspect ratio is 3.1, the chalky grain rate is 14.7%, the chalkiness is 2.4%, the gel consistency is 71mm, the amylose content is 15.2%, and it reaches the national standard of high quality level 3. The test was completed in 2016, and the green channel was approved in 2017.

Chunyou 284

Keyou 139

Jiangsu Hongqi Seed Industry Co., Ltd. is a state-owned seed enterprise integrating rice, wheat and corn breeding, improved seed breeding and seed marketing. It was established in 2001 with a registered capital of 105.81 million yuan. The company has the right to import and export seeds, and holds the integrated seed business license of "breeding, breeding and promotion" issued by the Ministry of agriculture. The company is a key leading enterprise of agricultural industrialization in Jiangsu Province, a high-tech enterprise in Jiangsu Province, a key enterprise of seed industry in Jiangsu Province, an agricultural science and technology enterprise in Jiangsu Province, and an enterprise with "AAA" credit rating of China Seed Association. The company has been rated as an enterprise "abiding by contracts and keeping promises" for 18 consecutive years,