【摘要】 研究农作物农艺性状整齐度指标的方法主要有变异系数法、变异系数的倒数法和整齐度系数法三大类。农艺性状整齐度样本容量的一般要求是大田作物10以上,水果60以上。农艺性状整齐度的变化规律及其与其它性状及产量的关系,因作物不同、品种不同、栽培条件不同而存在差异。在已有的研究报道中,杂交稻、玉米、移栽油菜等作物的株高整齐度与产量有极显著的正相关关系。在综述整齐度研究进展的基础上,提出整齐度指标的标准方法、整齐度分级的级别标准、整齐度排位的主要性状和整齐度样本的适宜容量等是今后整齐度研究的方向。更多还原

【Abstract】 Variance coefficient method(CVm), reciprocal CVm and regularity coefficient method were used to study the regularity degree of agronomic traits. As a rule, the sample size of crops should be more than 10, and that of fruits should be more than 60. there are different changing rules in orderliness and different relationships between orderliness and yield among different crops varieties and cultivation. Previous reports showed there was a significant correlation between height orderliness and yield in hybrid rice, maize and rape. In this paper, the advances in the research of orderliness are introduced, and the author regards the method, classification, trait and proper sample size as the future direction of reqularity degree research.更多还原