[1]王 婷,翟梅枝*,贾彩霞,等.核桃青皮中次生代谢物质的化感活性研究[J].西北林学院学报,2008,23(03):160-162.
 WAN G Ti ng,Z HAI Meizhi,JI A Caixi a,et al.Study on the Allelo pat hic Activity of Secondary Met ab oli t e s from Walnut Green Husk[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2008,23(03):160-162.
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核桃青皮中次生代谢物质的化感活性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第23卷
期数:
2008年03期
页码:
160-162
栏目:
林产化学
出版日期:
2008-05-30

文章信息/Info

Title:
Study on the Allelo pat hic Activity of Secondary Met ab oli t e s from Walnut Green Husk
文章编号:
1001—7461(2008)03—0160—03
作者:
王 婷 翟梅枝 贾彩霞 张瑞启
西北农林科技大学林学院,陕西杨陵712100
Author(s):
WAN G Ti ng Z HAI Mei—zhi JI A Cai—xi a Z HAN G Rui—qi
College of Forestry,Northwest A &FUniversity,Yangling,Shaanxi 712100,China
关键词:
核桃青皮化感活性抑制率
Keywords:
walnut green husk allelopat hi c acti vity i nhi biti ng rate
分类号:
S789.4
文献标志码:
A
摘要:
以核桃青皮水提液及各萃取物为材料,对其化感活性进行了研究,结果表明:(1)核桃青皮水提液对绿豆、萝卜、油菜及小麦幼苗生长均有较强的抑制作用。(2)核桃青皮水提液的各萃取物及水相萃余物在供试浓度为0.05g·mL-1时,对4种供试植物的生长均有较好的化感抑制作用,且对4种植物幼根生长的抑制作用均大于对幼芽生长的抑制作用。乙酸乙酯萃取物的抑制效果最好。(3)核桃青皮中水溶性化感活性物质主要集中在乙酸乙酯相,随着乙酸乙酯萃取物浓度的降低,其抑制作用逐渐减弱。
Abstract:
Green hus k of walnut fruit was extracted wit h water ,t he aqueous extract was s ubjected to furt her extracti on wit h different s olvents ,and t he allelopat hi c acti viti es of t he extracts were st udi ed .The res ults were as follo ws :(1)The water extracts fro m walnut green hus k had hi gher i nhi biti on effect to t he gro wt hof t he seedli ngs of 4plant s peci es (mungbean ,radi s h ,cole ,and wheat ).(2)The different furt her extracts fro m water extracts had t he excellent i nhi biti on effect on t he gro wt h of young roots and buds at t he concentrati on of 0.05g·mL-1,and t he i nhi biti on effect to t he young roots was better t han t he one to t heyoung buds .The et hyl acetate extracts had t he best i nhi biti on effect .(3)Et hyl acetate could extract most alleloche mi cals fro m t he aqueous extracl of walnut green hus k ,manifesti ng t hat t he i nhi biti on effect decreased as t he concentrati on of t he et hyl acetate extracts decreased .

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2007—08—13 修回日期:2007—10—26 基金项目:国家自然科学基金(30571494);陕西省农业攻关项目(2004K03—G3) 作者简介:王婷(1982—),女,四川德阳人,硕士研究生,从事林产资源综合利用研究。*通讯作者:翟梅枝,副教授,博士,主要从事植物资源利用和植物病害防治研究。
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