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Introduction to the Huangzeng Simiao No. 2 Rice Variety

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Huangzeng Simiao No. 2 rice was developed by this city's Agricultural Science Institute, which independently undertook and completed the "High-Quality Rice Breeding Experimental Project" of the Guangzhou Municipal Science and Technology Commission, under the Ninth Five-Year Plan project No. "96-2-48-4". It was bred through conventional hybridization using a mixture of Aizhen Simiao Selection 8 and Zengxiangzhan varieties as the male parent, and a Xiangsimiao line as the female parent. It is an indica early-maturing variety with exceptionally high quality, relatively high yield and disease resistance. The full growth period is 120 days for the early crop and about 100 days for the late crop, with a plant height of about 100 cm, an average of 150 grains per panicle, a seed-setting rate of 95%, and a 1000-grain weight of 17 g.

Huangzeng Simiao No. 2 rice was developed by this city's Agricultural Science Institute, which independently undertook and completed the "High-Quality Rice Breeding Experimental Project" of the Guangzhou Municipal Science and Technology Commission, under the Ninth Five-Year Plan project No. "96-2-48-4". It was bred through conventional hybridization using a mixture of Aizhen Simiao Selection 8 and Zengxiangzhan varieties as the male parent, and a Xiangsimiao line as the female parent. It is an indica early-maturing variety with exceptionally high quality, relatively high yield and disease resistance. The full growth period is 120 days for the early crop and about 100 days for the late crop, with a plant height of about 100 cm, an average of 150 grains per panicle, a seed-setting rate of 95%, and a 1000-grain weight of 17 g. Grain quality is special grade 1 for the late crop. The average yield per mu for a single crop is 390 kg, and the highest yield per mu in trial planting was 468 kg. Its resistance to rice blast is grade 2.3, and its resistance to bacterial leaf blight is grade 3.5. Through trial production and consumption, this variety is considered to have fragrant, soft, smooth and delicious cooked rice, comparable in quality to the formerly world-renowned Zengcheng tall-stem Simiao. It is suitable for the development of specialty agriculture in the 21st century and represents the direction required for "three-high" grain production.

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