水稻外观品质稳定性分析及G×E互作与气候因子的关系  

Stability Analysis for Appearance Qualities of Rice Cultivar and Genotype × Environment Interaction and Its Relationship to Climate Factors.

作　　者：李凤芹[1] 贾燕[2] 李秀芬[3] 刘江[3] 姜秀英 沈枫 

机构地区：[1]中国科学院沈阳应用生态研究所,辽宁沈阳110016 [2]沈阳炮兵学院,辽宁沈阳110162 [3]沈阳农业大学,辽宁沈阳110161 [4]辽宁省稻作研究所,沈阳110101

出　　处：《种子》2009年第4期24-29,共6页Seed

基　　金：沈阳农业大学校青年基金项目(辽宁省不同水稻品种产量和品质的气候生态适应性研究)

摘　　要：基于AMM I模型,研究了25个水稻品种外观品质性状与环境的交互作用,并对参试品种垩白品质性状的稳定性、G×E互作与气候因子的关系及气候生态适应性进行了探讨。结果表明,稻米长、宽及长宽比的G×E互作效应差异不显著,垩白率和垩白度的G×E互作效应达到了1%的显著水平。在此基础上将参试品种分为稳定性最好垩白适中、稳定性适中垩白较小及稳定性和垩白性状均较差三类。垩白品质性状的iPCA与水稻生育期内的气温、日照、降雨的相关分析表明气候因子是决定G×E互作的一项重要环境因子。据此得到不同品种对气候因子的最佳品质适应性,如品种V 9和V 24(沈农9819和0142)的垩白率对温度较低的环境,V 23(盐优5858)的垩白度对相对寡照高温的环境具有特殊适应性,在实际生产中选择与这些品种有负向互作的地点可获得较低的稻米垩白率和垩白度。Based on AMMI model, studied 25 rice varieties appearance quality character and the interaction with environment, and probed into the cultivar stabilities, correlation between G × E interaction and climate factors,Eco-climatic adaptability in chalkiness qualities. The results showed that G × E interaction in grain length （GL）, grain width （GW） and ratio of grain length to width （RLW） were no different significantly;and G x E interaction in chalky grain rate （CR） and ehalkiness degree （CD） were significant at 1% level. The performance of cultivar was divided into three sorts that with best stability and better chalkiness character, moderate stability and best chalkiness character and worst either stability or ehalkiness character. Correlation analysis between chalkiness character＇ s iPCA 1 and air temperature, sunlight, rainfall within paddy growth period indicated that climate factors were the most important environment factor which can decide G × E interaction. Accordingly the best quality adaptability of different cultivars to climate factors could be estimated. For instance,V9 and V 24 （Shennong 9819 and 0142） had especial adaptability to lower temperature in the chalky grain rate, V 23 （ Yanyou 5858） had especial adaptability to scant sunlight and higher temperature in the chalkiness degree. In actual rice plant, we may obtain lower chalky-grain rate and chalkiness degree through selecting some planting sites with reverse interaction to the variety.

关 键 词：水稻 外观品质 稳定性分析 G×E互作 气候因子 

分 类 号：S511[农业科学—作物学]