银杏新品种‘聚宝’  被引量:1

A New Variety,'jubao' of Ginkgo biloba

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作  者:王迎[1] 宋承东[1] 郭善基[1] 张泰岩[1] 黄迎山 

机构地区:[1]泰安市泰山林业科学研究院,泰安271000

出  处:《林业科学》2011年第9期189-189,共1页Scientia Silvae Sinicae

摘  要:‘聚宝’是从银杏资源圃中发现的窄冠单株,通过优选比较栽培试验获得,树冠冠形明显与众不同的品种。树冠呈紧密狭长卵形,所有枝条均以树干为中心弯曲斜上生长,冠幅最宽处仅为40cm左右;叶片为扇形,小而密集,侧枝的长枝为28~30cm,着生叶片61~82枚,雌株,雌球花有长梗,梗端有1~2盘状珠座,每座生1胚珠,发育成种子;种子核果状,近球形,外种皮肉质,有白粉;10—11月果熟,熟时淡黄或橙黄色,有臭味;中种皮骨质,白色;内种皮膜质。'Jubao' is a new variety of Ginkgo biloba with narrow crown.It is derived from an individual tree found in a ginkgo resource garden,by optimizing comparative cultivation test.Its crown is obviously different from the ordinary varieties.with a compact narrow ovate,and all branches are obliquely growing and bending toward the trunk.The crown wide at the widest point is only about 40 cm;leaves are sector in shape,and small and dense;the long branches of branch are approximate 28~30 cm,with 61~82 blades.The largest leaf dimension is 3 cm×4 cm,while the smallest dimension is 1 cm×2 cm.This variety is female,and the female cone has a long stem with 1~2 disk-shaped beads on the end,each student yields 1 ovule that develops into a seed;seed is drupelike,subglobose,exocarp fleshy,covered with white powders;fruits ripen during October and November,when ripe the fruit exhibits yellow or orange color,with bad smell.The testa is bony,white and the endotesta is membranaceous.

关 键 词:聚宝 银杏 新品种 

分 类 号:S722.5[农业科学—林木遗传育种]

 

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