Boyou 122 (Rice)
Boyou 122 is a weak photosensitive hybrid rice combination of BoA and Guanghui 122 used by Rice Research Institute of Guangdong Academy of Agricultural Sciences.
From 1997 to 1998, he participated in the provincial late rice regional trial, and the per unit yield was 415kg/667m2 and 481kg/667m2, respectively. In 1997, the yield was 0.24% lower than that of Boyou 64, and 7.6% higher than that of Boyou 903 in 1998. The appearance quality of rice was identified as late rice grade II. High resistance to rice blast (group resistance ratio 93.38%, group C resistance ratio 92%), susceptibility to bacterial blight (resistance grade 7). The whole growth period of late rice is 117 days. The tillering ability is strong, the plant type is moderate in distribution, and the cold tolerance is moderate in the later stage.
Institute of Rice, Guangdong Academy of Agricultural Sciences
It is suitable for planting late rice outside the north of Guangdong Province.
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Boyou 210 (Rice)
Boyou 210 is a new weakly photoperiod sensitive late indica rice variety bred by the cross of male sterile line BoA / restorer line 210 in South China Institute of Botany, Chinese Academy of Sciences. According to the characteristics, the whole growth period of this variety is 118-120 days, which is 2-3 days earlier than that of the main planting combination of the same type, with a plant height of 88.5-96.8 cm, strong tillering ability, stout stem, strong lodging resistance, 120-133 grains per panicle, seed setting rate of about 81%, and 1000-grain weight of 22 grams. Participated in the regional test of Guangdong Province from 1993 to 1994, the yield per mu was 415.1 kg and 4. 5 kg respectively.
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Bo ii you 15 (Rice)
[basic situation] the hybrid rice combination of Boyou Ⅱ superior system is the dominant combination of late rice in Guangdong, Guangxi and Hainan provinces. However, Boyou 903 and Boyou 3550 have some problems such as yield potential degradation and disease resistance weakening after planting for many years, resulting in a significant decrease in planting area. In the early season of 1996, Bo Ⅱ A, a male sterile line bred by Agricultural Science Institute of Bozi County, Guangxi, was crossed with our newly selected high quality restorer line HR15 (Ai Huangzhan × Qingliuai 1). Qingcheng Bo Ⅱ you 15
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