D702 Youduo Line 1 (Rice)
Basic situation D702 Youduo No. 1 hybrid middle and late rice selected by Sichuan Agricultural University and introduced by Youxi County Institute of improved Variety Biochemistry. In the provincial regional test from 1998 to 1999, the average unit yield of 502.7kg/667m2 and 564.1kg/667m2 was 9.21% and 9.20% higher than that of Shanyou 63. The whole growth period of medium rice is 139 days, which is equal to that of the control. I have a feeling of rice blast.
Breeders, Rice Institute of Sichuan Agricultural University
The region and technology are suitable for planting middle and late rice in the areas with light incidence of rice blast in Fujian Province.
Variety category approved variety
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D you 128 (Rice)
Characteristics: this variety belongs to indica three-line hybrid rice. the average growth period of one-cropping middle rice in the upper reaches of the Yangtze River is 155.0 days, which is 2.4 days later than that of Shanyou 63. The plant height is 111.5 cm, the leaf shape is moderate, the population is neat, and the cold tolerance is medium. The number of effective panicles per mu is 177000 ears, ear length is 23.6cm, total grains per panicle is 174.3, seed setting rate is 78.9%, and 1000-grain weight is 24.5g. Resistance: Rice blast 9, bacterial blight 5, brown planthopper 9. Main indicators of rice quality:
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C you 22 (Rice)
The main results are as follows: (1) Variety source: the medium indica late maturing combination of CA bred by Mianyang Economic and Technical College of C you 22 and CDR22 bred by Provincial Academy of Agricultural Sciences. (2) characteristics: the whole growth period of the combination is 148d, which is 1.2d longer than that of Shanyou 63, plant height is 111.4 cm, ear length is 25.7cm, effective panicle is 169000, spike is 147.5 grains, seed setting rate is 82%, 1000-grain weight is 29.5g, tillering ability is strong, plant type is compact, flag leaves are longer, erect, leaves are dark.
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