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 this combination is 148d, 1.2d longer than that of control Shanyou 63, plant height 111.4 cm, ear length 25.7cm, effective panicle 169000, spike 147.5 grains, seed setting rate 82%, 1000-grain weight 29.5g, strong tillering ability, compact plant type, longer flag leaf, erect leaf color dark green, leaf sheath, glume tip purple, grain growth, no awn, rice quality slightly better than the control. The resistance of 89 to rice blast was stronger than that of the control, 5-7 grade of leaf blast and 3-7 grade of neck blast.
(3) yield performance: the average yield per mu in the provincial regional test in 1997 and 1998 was 564.25 kg, 5.64% higher than that of Shanyou 63, and 581.7 kg per mu in 1998 production test, 6% higher than that of the control.
(4) cultivation key points: cultivation requires early sowing in suitable time, cultivation of strong seedlings with many tillers, combination of N, P and K, heavy bottom and early topdressing, and other cultivation techniques are the same as those of Shanyou 63.
(5) suitable planting areas: suitable for planting medium rice in Pingba, hills and other areas of our province.
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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 Sichuan Agricultural University
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B you 827 (Rice)
The varieties are derived from the combination of male sterile line 803A and Shuhui 527 from the Rice Research Institute of Southwest University of Science and Technology and Sichuan Agricultural University. The whole growth period of the characteristics was 150.3 days, which was 0.8 days shorter than that of the control Shanyou 63. The plant type was compact, the tillering ability was strong, and the color conversion was good in the later stage. Plant height 118.9cm, long 26.3cm, ear flat grain 161.5, seed setting rate 82.2%, 1000 grain 28.44g. According to the quality determination, 9 indexes reached the second-grade excellent rice standard issued by the Ministry. Resistance to rice blast: 1-6 grade leaf blast, neck blast
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