MySheen

C you 22 (Rice)

Published: 2024-11-21 Author: mysheen
Last Updated: 2024/11/21, 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.

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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