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Introduction to the Elite Hybrid Medium Indica Rice Variety Xieyou 136
Xieyou 136 is a new medium indica hybrid rice combination bred by the Institute of Agricultural Sciences of the Lixiahe Region in Jiangsu. This combination is high-yielding and stable, with an average yield of about 650 kg per mu, more than 8% higher than that of Shanyou 63. Its full growth period is 145 days, with a well-coordinated panicle-grain structure and relatively high grain weight; generally 170,000-190,000 effective panicles per mu, 122.4-167.3 total grains per panicle, a seed-setting rate of about 90%, and a 1000-grain weight of more than 30 g. It has a compact plant type, strong tillering ability, good luxuriance, and strong lodging resistance; at maturity the stems remain green and the grains turn yellow, giving an excellent appearance at maturity; it is resistant to rice blast,
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Yangdao 6: Breeding and Utilization of a New Medium Indica Rice Variety with High Quality, High Yield and Disease Resistance
Yangdao 6 is a new medium indica variety bred by the Institute of Agricultural Sciences of the Lixiahe Region of Jiangsu, using Yangdao 4 as the female parent, crossed with "Yan 3021", with the F1 seeds subjected to 60CO-gamma ray irradiation mutagenesis, and then developed through continuous directional selection. This variety combines high quality, high yield, disease resistance and wide adaptability, and is an ideal seed source for developing high-quality rice; it has already been demonstrated and promoted on a large scale in Jiangsu, Anhui, Hubei, Shanghai and other provinces and municipalities. Yangdao 6 is also a high-quality restorer line for two-line hybrid rice and three-line Honglian-type hybrid rice, and the formulated "Liangyou Peijiu" and "Yueyou 9
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Characteristics and cultivation key points of Zhendao No. 1, a high-quality medium japonica rice
Zhendao No. 1 (formerly known as 7038), when grown as single-season medium japonica rice in northern Jiangsu, has a whole growth period of 140-145 days. When grown as after-crop rice along the Yangtze River and in southern Jiangsu, the whole growth period is 125-130 days. This variety has a seed-setting rate above 90% and a 1000-grain weight of 25-26 g. When grown as single-season rice, the plant height is 100-105 cm; when grown as after-crop rice, the plant height is 85-90 cm. The head rice rate reaches 70.39%, and the eating quality is good. It is moderately resistant to sheath blight. Cultivation key points: (1) For single-season cultivation, sow in southern Jiangsu in late May. For after-crop rice cultivation along the Yangtze River and in southern Jiangsu,
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Key Technical Points for Dry Seedbed Raising of Rice Seedlings in Plug Trays under Large and Medium-Sized Plastic Tunnels
(1) Seed selection. Choose varieties of superior quality, high yield, disease resistance and medium-to-upper tillering capacity that tend toward the heavy-panicle type. In the first accumulated temperature zone, represented by Wuchang and Tailai, suitable main varieties include Wuyoudao No. 1, Songjing No. 2, Tengxi 140, Wudao No. 3 and Mudanjiang 19; in the second accumulated temperature zone, represented by Ning'an, Fangzheng, Yanshou, Huachuan and Suihua...
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