作物抗倒伏的评价方法研究进展

摘要/Abstract

摘要： 倒伏是由内外因素引发的植株茎秆从自然直立状态到永久错位的现象，人们在倒伏对产量和品质的影响研究方面做了大量工作，并创立了许多评价方法。笔者从作物茎秆的化学成分与形态结构、力学原理和QTL定位等方面对抗倒伏的评价方法进行了总结：纤维素和木质素的含量多少与倒伏有紧密的联系；同时，作物的株高、茎节的长度、单茎的鲜重以及维管束的面积、密度、视野中的数量等许多形态显微结构与倒伏亦有关系；许多专家利用力学原理对多种作物的抗倒能力进行了实验，最后，对研究作物倒伏评价方法的研究方向进行了探讨。

关键词: 玉米, 玉米, 杂交组合, 抗旱性, 丰产性, 模糊函数法, 方差分析

Abstract: Lodging in crops is defined as a permanent displacement of the clums from their upright position,People have carried out lots of research on which lodging influences yield and quality,and set up evaluation methods. The paper concluded evaluation methods of lodging resistance from chemical composition、microstructure、mechanics mechanism and QTLs mapping in crops.there were closely correlation of cellulose and lignin to lodging,and there were correlation between lodging and plant height,length of inter-nodles,the fresh weight of single stem,the area and density of vascular bundle,the numbers of vascular bundle in a field of microscope;some people have done many mechanical experiments about lodging.Finally,the paper discussed the direction of evaluation methods of lodging resistance.

中图分类号:

刘唐兴,,官春云,雷冬阳. 作物抗倒伏的评价方法研究进展[J]. 中国农学通报, 2007, 23(5): 203-203.

Liu Tangxing,, Guan Chunyun, Lei Dongyang. The Research Progress on Evaluation Methods of Lodging Resistance in Crops[J]. Chinese Agricultural Science Bulletin, 2007, 23(5): 203-203.

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