薄壳山核桃不同优良无性系花期物候特征比较
[目地]通过对长汀楼子坝国有林场测试的 16个无性系的开花物候进行观察,以期为筛选出薄壳山核桃优良无性系组合配置提供参考依据。[方法]以 16个不同薄壳山核桃无性系为供试材料,开展花期物候、雄花散粉期与雌花可授期观察,比较不同无性系花期物候特征。[结果]供试的 16个薄壳山核桃不同无性系雄、雌花期存在差异,其中雄花的盛花天数为 5-12d,开放总天数为 12-23d;雌花的盛花天数为 3-9d,开放总天数为 9-19d.雄花散粉期天数为 5-20…查看全部>>
[Objective]Providing a reference for the selection of asexual line combinations of thin-shelled hickory(Cary a illinoinensis(Wangenh.)K.Koch)through the observations on the flowering phenology of 16 asexual lines tested in Ch angting Louziba State-owned Forest.[Methods]16 different thin-shelled hickory asexual lines were tested.Flowering pheno logy,timespan of pollen dispersal and stigma reception were carried out to compare the characteristics of flowering …查看全部>>
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