ISSR分子标记的分类结果与瓠瓜的农艺性状分类和地理分布有一定的相关性。
The results from ISSR molecular markers showed obvious correlation with the agronomic characteristics classification and the geographical distribution of the bottle gourd accessions .
应用因子分析和回归方法对春玉米高产农艺措施进行了数量分类与寻优。
The classification of cultivation measures for spring maize was studied with the principal factor analysis and regression methods.
本试验采用形态学分类学的方法，对源自于国内外的42份薄皮甜瓜种质资源的13个农艺性状进行了聚类分析。
Using the method of morphology classification, 13 agricultural characters of 42 melon germplasm resources were clustered to study their phylogenetic relationship.
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