[1]康永祥,陈绵,康晋,等. 毛梾的生物学特性研究[J].西北林学院学报,2012,27(05):57-62.
 KANG Yong-xiang,CHEN Mian,KANG Jin,et al. Biological Characteristics of Cornus wateri[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(05):57-62.
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 毛梾的生物学特性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年05期
页码:
57-62
栏目:
出版日期:
2012-09-20

文章信息/Info

Title:
 Biological Characteristics of Cornus wateri
文章编号:
1001-7461(2012)03-0057-06
作者:
 康永祥陈绵康晋赵宝鑫贠玉洁
 (西北农林科技大学 林学院 ,陕西 杨陵 712100)
Author(s):
 KANG Yong-xiang CHEN Mian KANG Jin ZHAO Bao-xin YUN Yu-jie
 (Colleage of Forest, Northwest A&F University,Yangling, Shaanxi 712100, China)
关键词:
 毛梾形态特征开花结实习性物候期
Keywords:
 Cornus wateri morphological characteristic flowering-fruiting habit phenological period
分类号:
S718.45
文献标志码:
A
摘要:
 以陕西省杨凌区、河南省卢氏县汤河镇、山东省淄博市沂源县东里镇毫山林场和山西省阳城市横河林场的15~20 a生健康毛梾单株为研究对象,进行形态特征、开花结实习性和物候期的观察研究。结果表明:1)毛梾单株大小年现象普遍,约占调查单株的58.9%;毛梾结果枝率和当年生枝条长度变异系数最大,分别为39.2%和30.4%,变异幅度分别为10%~44%和58~142 cm,可作为毛梾高产单株的选优参考指标;2)进入结果盛期后,每结果枝上可着生16~54个花序,每个花序有73~133个白色小花,而座果率仅为2.63%~13.70%;3)毛梾物候期依种源地先后顺序为陕西>山东>山西>河南,但总体来讲,毛梾属于先叶后花植物,各物候期的持续时间与当地的小气候条件关系密切,前后相差约7~15 d,有些可能更长;4)毛梾具有2次开花现象,虽然整齐度低花量少,但在生产中具有重要意义,是今后无霜期较短地区育种研究的方向之一。

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