Climatic-ecological Diagnoses on Seed Production of Two-line Hybrid Rice

Wang Kuojun; Shuai Xiqiang; Liu Jiaqing; Zeng Yulong

Vol.14, NO.1, 2003

Article Contents

Article Navigation > Journal of Applied Meteorological Science > 2003 > 14(1): 93-100

Wang Kuojun, Shuai Xiqiang, Liu Jiaqing, et al. Climatic-ecological diagnoses on seed production of two-line hybrid rice. J Appl Meteor Sci, 2003, 14(1): 93-100.

Citation:

Wang Kuojun, Shuai Xiqiang, Liu Jiaqing, et al. Climatic-ecological diagnoses on seed production of two-line hybrid rice. J Appl Meteor Sci, 2003, 14(1): 93-100.

Wang Kuojun, Shuai Xiqiang, Liu Jiaqing, et al. Climatic-ecological diagnoses on seed production of two-line hybrid rice. J Appl Meteor Sci, 2003, 14(1): 93-100.

Citation:

Wang Kuojun, Shuai Xiqiang, Liu Jiaqing, et al. Climatic-ecological diagnoses on seed production of two-line hybrid rice. J Appl Meteor Sci, 2003, 14(1): 93-100.

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Climatic-ecological Diagnoses on Seed Production of Two-line Hybrid Rice

Hunan Institute of Meteorological Research , Changsha 410007
Hunan Meteorological Bureau , Changsha 410007

Received Date: 2001-11-26
Rev Recd Date: 2002-06-14
Publish Date: 2003-02-28

Abstract

Abstract

Strict requirements for climatic-ecological conditions are needed for the two-line hybrid rice cultivation. While the seed production bases are concerning, full diagnosis and scientific assessment should be conducted on the local climatic-ecological adaptability. The special influences of climatic-ecological conditions on two-line hybrid rice are analyzed. It is pointed out that the two safety periods should be considered in seed production. A diagnosis method for analyzing the periods is given. The “Hunan Provincial Expert Service System for Climate Diagnose and Policy-making on Seed Production of Two-line Hybrid Rice” is developed and the system can be used to define the available zones and time-sections in Hunan for seed production. In the beginning of 2000, this proposal used by the system was adopted in Hunan Province and the management of the seed production is further promoted.
- Two-line hybrid rice;
- Seed production base;
- Climatic-ecological diagnose;
- Climatic Service System

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References(11)

Figures and Tables

图 1 湖南省4个代表站点的制种扬花天气综合危害指数分布曲线

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图 2 系统的运行思路流程图

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图 3 湖南省两系制种的安全性 (a) 与适宜性 (b) 行政分区图

(起点温度:23.5 ℃)

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表 1 两系杂交稻制种安全性与适宜性分区等级标准

表 2 湖南省9个最适宜区的有关制种参数一览表 (起点温度:23.5 ℃)

References

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