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Introduction to the Characteristics of the Kongyu 131 Japonica Rice Variety

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Bred by the Rice Research Institute of the Heilongjiang Academy of Land Reclamation Sciences. In the 1995-1996 regional trials, the average yield was 6767 kg/hm2, an average increase of 1.6% over the control Hejiang 19; in the 1999 production demonstration, the average yield was 7684.5 kg/hm2, an increase of 8.9% over the control Hejiang 19. The growth period is 127 days, requiring an active accumulated temperature of 2320°C. Plant height is 80 cm, panicle length is 14 cm, 80 grains per panicle, 1000-grain weight is 26.5 g, strong tillering ability, and a high percentage of productive tillers. 199

Bred by the Rice Research Institute of the Heilongjiang Academy of Land Reclamation Sciences. In the 1995-1996 regional trials, the average yield was 6767 kg/hm2, an average increase of 1.6% over the control Hejiang 19; in the 1999 production demonstration, the average yield was 7684.5 kg/hm2, an increase of 8.9% over the control Hejiang 19. The growth period is 127 days, requiring an active accumulated temperature of 2320°C. Plant height is 80 cm, panicle length is 14 cm, 80 grains per panicle, 1000-grain weight is 26.5 g, strong tillering ability, and a high percentage of productive tillers. In 1996, artificial inoculation resulted in grade 9 seedling blast, grade 7 leaf blast, and grade 9 neck blast, while natural infection resulted in grade 9 bacterial blight, grade 7 leaf blast, and grade 7 neck blast. The appearance and grain quality are excellent, and the eating quality is good.

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