概述了国内外果树主要性状遗传规律的研究成果，主要包括果树的生物学性状，果实经济性状以及抗性等方面的遗传规律研究。
This paper reviews the advances on genetic development of fruit tree traits, including the genetic disciplines on characteristics of biology, fruit and resistances.
运用野外观察、田间试验和统计分析的方法研究泡桐自然接干性状的遗传变异规律。
The genetic variation of paulownias natural stem-join characters was studied by means of field observation, field test and statistical analysis.
利用相关分析研究了玉米成熟果穗苞叶的几个农艺性状的相关性，通过配合力分析研究了它们的遗传规律。
Relationships among agronomical traits of husk in maize were studied by correlation coeffrcient analysis Their genetic problems were discussed by analysis of combining ability.
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