Hybrid Rice Variety

Breeding Unit: Crop Breeding and Cultivating Institute of SAAS

Name: Shenyou 1 (passed the Shanghai Variety Validation in 2002)

Varietal Characteristic: The plant type is compact and the leaves are straight. It has medium tillering ability. The plant is about 105cm height with strong culm and strong lodging resistance. It could produce 180-190 thousand effective ears with high percentage of earbearing tiller. Each ear has about 150 grains and 1000-grains weight 27g; Shenyou 1 has strong fertilizer tolerance and good maturity performance in later period; green stalk and yellow maturity. It has strong disease resistance with high grain quality; the main quality of it has reached the high quality standards promulgated by Ministry of Agriculture. It would yield 650kg per mu in general and 770kg per mu yield in high-yield field, in which the output has increased significantl than before.

Suitable Growing Areas: The lower reaches of Yangtze River

Name: Shenyou 4 (passed the Shanghai Variety Validation in 2003)

Varietal Characteristic: it is a kind of mid-season late japonica hybrid rice, which is matched by BT-type CMS line Shen 4A and restorer line Xiangqing. This variety has strong heterosis and its whole breeding period is about 155 days. It could produce about 220 thousand ears and each ear has 140-150 grains with large-spike and much-grain; the seed setting reaches 85% and 1000-grains weight 25g. The grain is translucent in appearance and good in quality. And its main quality has reached the high quality standards promulgated by Ministry of Agriculture; the rice is full seed and the milled rice rate could reach over 70% which is 5% higher than Hanyou Xiangqing. Shenyou 4 has strong disease resistant to rice blast. It would yield 650kg per mu in general and over 700kg per mu in high-yield. 

Suitable Growing Areas: planted as single cropping late rice in Shanghai, Jiangnan, Zhebei, and Wannan.

Name: Shenyou 10

Varietal Characteristic: it is a combination of high quality and high yield rice. It took part in regional trials of Shanghai Japonica hybrid rice in 2005, which has increased 15% than Hanyou Xiangqing in production. It performs stong heterosis, high seed setting rate, large ears and the output is the top of regional trial.

Suitable Growing Areas: The lower reaches of Yangtze River

Name: Shenyou 693 (passed the Shanghai Variety Validation in 2005)

Varietal Characteristic: it has good characters of short stalks, large ears, high and stable yield, good taste and rice blast resistance. It is easy to plant with high seed production yield. It could yield over 600kg per mu. Shenyou 693 is best in quality, which has passed the examination of Products Quality Supervision and Inspection of rice and Testing Center of Ministry of Agriculture. Its main quality has reached the national high quality standards.

Suitable Growing Areas: planted as single cropping late rice or early rotation system of double cropping late-season rice in Shanghai, Sunan, Zhebei, and Wannan.