防护林科技
防護林科技
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PROTECTION FOREST SCIENCE AND TECHNOLOGY
2013年
10期
10-12
,共3页
马尾松%无性系%开花结实量%生长性状
馬尾鬆%無性繫%開花結實量%生長性狀
마미송%무성계%개화결실량%생장성상
Pinus massoniana%clones%flowering and fruiting capacity%growth traits
通过对马尾松无性系种子园进行调查分析,结果表明:马尾松种子园无性系间开花结实与生长性状存在不同程度的显著、极显著相关,分枝角度与开花结实存在极显著的负相关,生长性状间也存在不同程度的相关性。因此,在选择优良无性系建园时,应当考虑选择速生丰产稳产的无性系。
通過對馬尾鬆無性繫種子園進行調查分析,結果錶明:馬尾鬆種子園無性繫間開花結實與生長性狀存在不同程度的顯著、極顯著相關,分枝角度與開花結實存在極顯著的負相關,生長性狀間也存在不同程度的相關性。因此,在選擇優良無性繫建園時,應噹攷慮選擇速生豐產穩產的無性繫。
통과대마미송무성계충자완진행조사분석,결과표명:마미송충자완무성계간개화결실여생장성상존재불동정도적현저、겁현저상관,분지각도여개화결실존재겁현저적부상관,생장성상간야존재불동정도적상관성。인차,재선택우량무성계건완시,응당고필선택속생봉산은산적무성계。
Clonal Seed Orchard of Pinus massoniana was analyzed .It shows that flowering & fruiting of seed orchard of Pinus massoniana have significant & very significant correlations with various degrees ;branching angle& flower-ing and fruiting have significant negative correlation ;growth traits also have different degrees of relevance .Fast-growing ,high-yielding & stable clones should be selected while selecting superior clones to build gardens .