Welcome to Journal of Agriculture,

Journal of Agriculture ›› 2020, Vol. 10 ›› Issue (7): 1-6.doi: 10.11923/j.issn.2095-4050.cjas20190700125

Special Issue: 水稻

    Next Articles

The Performance of New Temperature-sensitive Indica Hybrid Rice Combinations in Late Season Regional Trials in Southern Guangxi

Zhu Zhijun1, Li Xinglin1, Meng Yunshao1, Huang Xiaojiang1, Liu Zhaoyang1, Xin Yingfeng1, Mo Qiuxia1, Jiang Xianhua2, Yang Shoushan1, Chen Xinquan1, Lu Zhangquan1   

  1. 1Guangxi Guiping City Agricultural and Rural Bureau, Guiping 537200, Guangxi, China
    2Guangxi Zhiyou Biotechnology Co., Ltd., Guilin 541213, Guangxi, China
  • Received:2019-07-16 Online:2020-07-20 Published:2020-07-16


To recommend hybrid rice varieties with better comprehensive traits and full utilization of light and temperature resources in southern Guangxi, 9 new Indica hybrid rice combinations (including controls) with temperature sensitivity were used in complete random block plot test, and the characteristics of these combinations in the late season in the ecological area of southern Guangxi were evaluated by variance analysis and sequencing comparison. The results showed that the yield, whole growth period and resistance of ‘Shenliangyou 9353’, ‘Changliangyou huazhan’, ‘Changliangyou 9’, ‘Qianliangyou 9’, ‘Kunliangyou huazhan’ and ‘Qianliangyou 6’ were suitable for the ecological area of southern Guangxi. The yield of ‘Shenliangyou 9353’ was the highest, which was significantly higher than that of the control. Although ‘Fyou 6735’ and ‘Wantai xiangzhan’ had good resistance, their yields were very significant or significantly lower than those of other combinations (including the control). The yield of the tested combinations correlated well with the whole growth period, the total grain number and real grain number, but not with other traits. Six temperature-sensitive seedling combinations can make full use of light and temperature resources in southern Guangxi ecological region, which are suitable for developing winter production and adjusting industrial structure, and can be used as alternative combinations in early and late rice production.

Key words: Temperature-sensitive Indica Hybrid Rice, Characteristics, Sequencing Comparison, Ecological Area of Southern Guangxi, Late Season

CLC Number: