What kinds of rice are there in the first grade of national standard rice?

Hunan is the hometown of hybrid rice. Generally, the yield of hybrid rice is about 20% higher than that of conventional rice, which is naturally better for farmers. However, for a long time, the high yield and high quality of hybrid rice cannot coexist. Until recently, hybrid rice varieties with national standard first-class high quality rice appeared. They are "Yueliangyou 2646" cultivated in middle rice and "Taiyounong 39" cultivated in late rice. It has become a very popular rice variety among farmers. Let's take a look together!

1. Variety: Yue Liangyou 2646

Characteristics: This variety is a representative new two-line hybrid rice variety with great breakthrough in recent 30 years, belonging to indica conventional rice. It is listed as the first class of rice quality national standard by the state. It is planted as double-season early rice in the middle and lower reaches of the Yangtze River. The average growth period is 109.0 days. The plant type is moderate, the tillering ability is medium, the stem is strong, the color is good at maturity, the plant height is 88.4 cm, the panicle length is 18.0 cm, and the effective panicle number per mu is 206,000.

Yield performance: After regional trials of early-middle-maturing early-indica varieties in the middle and lower reaches of the Yangtze River, the average yield per mu is generally 500-540 kg. The output is amazing.

Suitable range: suitable for Jiangxi, Hunan, Anhui, Zhejiang, rice blast, bacterial blight light double cropping rice planting area for early rice. In the past three years in Guangxi, Jiangsu, Hunan, Zhejiang, Anhui and other provinces to promote the area of 29.31 million mu.

2. Variety: Taiyounong 39

This variety is a very famous three-line hybrid rice. Like Thai rice, it has short plant, strong lodging resistance, moderate growth period, labor-saving planting, fast emergence, high survival rate, suitable for direct seeding and mechanized harvesting. In Guangdong, Hunan, Hubei, Guangxi, Hainan, Zhejiang, Jiangsu and other 7 provinces, it showed the excellent characteristics of high yield and super high yield, good quality, strong resistance and wide adaptability.

Yield performance: After early planting conventional high-quality rice regional test, the average yield per mu is generally 500-680 kg, the yield is very good, suitable for large-scale planting.

Suitable range: suitable for planting in Guangdong, Guangxi, Hainan, Hunan, Hubei, Jiangxi, Chongqing and other provinces and cities.

To sum up, it is of great significance for the development of hybrid rice to achieve the first class of national standard rice quality, which also provides farmers with the opportunity to plant high-yield rice with high quality. I hope this article will be helpful to everyone.

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