Auditing No.: National Auditing Rice 2012001
Selection unit: China National Rice Research Institute, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Rice Research Institute, Guangdong Academy of Agricultural Sciences
Characteristics: Indica type three-line hybrid rice varieties. South China planted double-season rice, with an average growth period of 123.1 days, which is 0.1 days shorter than the control Tianyou 998. The number of effective panicles per acre was 197,000 spikes, the plant height was 96.3 cm, the panicle length was 20.9 cm, and the total number of grains per panicle was 141.1. The seed setting rate was 81.8%, and the grain weight was 24.3 g. Resistance: 3.6 for rice blast disease comprehensive index, 5 for the earliest ear loss rate, 7 for bacterial leaf blight, 7 for the brown planthopper, 3 grades for the whitebacked planthopper, moderate rice blast, bacterial leaf blight, brown planthopper, Medium anti-white back fly fleas. Rice quality indicators: 63.0% rice milling ratio, aspect ratio 2.8, chalky grain rate 20%, chalkiness 4.5%, gel consistency 70 mm, amylose content 20.8%, reaching the National Standard for Quality Rice 3 .
Production performance: Participation in the regional trials of the South China Group of Early Rice, with an average yield of 533.4 kilograms, an increase of 5.6% over the control Tianyou 998. In 2010, the trial yielded an average yield of 471.7 kilograms, an increase of 8.5% over Tianyou 998. In the two-year regional experiment, the average yield per mu was 502.5 kg, which was 6.9% higher than that of Tianyou 998. In 2011, the average production per mu was 502.8 kg, which was 4.0% higher than Tianyou 998.
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