[1]杨巨仙,窦全琴*.薄壳山核桃等3树种叶片水浸液对茶树种子萌发和幼苗生长的影响[J].江苏林业科技,2022,49(03):1-8.[doi:10.3969/j.issn.1001-7380.2022.03.001]
　Yang Juxian,Dou Quanqin*.Allelopathic effects of leaf aqueous extracts from three plant species on tea (Camellia sinensis)[J].Journal of Jiangsu Forestry Science &Technology,2022,49(03):1-8.[doi:10.3969/j.issn.1001-7380.2022.03.001]
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薄壳山核桃等3树种叶片水浸液对茶树种子萌发和幼苗生长的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第49卷
期数:
2022年03期
页码:
1-8
栏目:
试验研究
出版日期:
2022-06-30

文章信息/Info

Title:
Allelopathic effects of leaf aqueous extracts from three plant species on tea (Camellia sinensis)
文章编号:
1001-7380（2022）03-0001-08
作者:
杨巨仙1; 2; 窦全琴1*
1.江苏省林业科学研究院，江苏 南京 211153；
2.南京林业大学生物与环境学院，江苏 南京 210037
Author(s):
Yang Juxian1; 2; Dou Quanqin1*
1. Jiangsu Academy of Forestry, Nanjing 211153, China;
2. College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
关键词:
薄壳山核桃; 板栗; 杨梅; 水浸液; 化感作用; 茶树; 种子萌发; 幼苗生长
Keywords:
Carya illinoensis; Castanea mollissima; Myrica rubra; Aqueous extract; Allelopathic effect; Camellia sinensis; Seed germination; Seedling growth
分类号:
Q948.12+2.1；S571.1；S664.1
DOI:
10.3969/j.issn.1001-7380.2022.03.001
文献标志码:
A
摘要:
为了探讨薄壳山核桃、板栗和杨梅与茶树复合栽培对茶树(Camellia sinensis)种子萌发和幼苗生长的影响，采用蒸馏水浸提法收集3个树种叶片化感物质，研究不同质量浓度(2.5，5，25，50，100 mg FW/mL)水浸液对茶树种子萌发和幼苗生长的影响。结果表明：3个树种叶片水浸液对茶树种子萌发均有一定程度的化感作用。薄壳山核桃和杨梅叶片水浸液对茶树种子发芽率有显著的抑制作用；板栗叶片水浸液各处理的种子发芽率与对照无显著差异。发芽指数和活力指数在供体高质量浓度(50—100 mg FW/mL)下均有不同程度的化感抑制作用，抑制强度随着水浸液浓度的增加而增加；薄壳山核桃、杨梅叶片水浸液各处理间茶树幼苗苗高、鲜（干）质量均呈显著性差异，但根系生长差异不显著。薄壳山核桃叶水浸液随着质量浓度升高，苗高、根长和鲜（干）质量均呈逐渐递减趋势；杨梅叶水浸液对苗高、根系和鲜（干）质量表现出低质量浓度促进，高质量浓度抑制的双重浓度效应，各处理间鲜（干）质量差异显著，但均与对照无显著性差异；综合供体植物化感效应，3个树种叶片水浸液对茶树种子萌发和幼苗生长综合效应（SE）值为负，均表现出抑制作用，其中对茶树种子萌发均具有较强的抑制作用，低质量浓度2.5 mg FW /mL下，薄壳山核桃与板栗的抑制作用均高于杨梅，在高质量浓度100 mg FW /mL下杨梅叶片水浸液处理SE绝对值最大，其次为薄壳山核桃，但均高于板栗。3个树种对茶幼苗的化感作用不尽相同，薄壳山核桃与板栗叶水浸液各浓度处理均对茶树幼苗生长产生抑制作用，而杨梅叶水浸液对茶树幼苗生长表现出“低促高抑”双重效应。综合而言，3个树种叶片水浸液各质量浓度对茶树种子萌发的抑制作用大于促进茶幼苗生长。
Abstract:
To probe the feasibility of interplanting model, we studied the allelopathic effects of different concentration leaf aqueous extracts (2.5，5，25，50，100 mg FW/mL) from Carya illinoensis, Castanea mollissima and Myrica rubra on the seed germination and seedling growth of tea (Camellia sinensis). Results showed that: 1. Compared to those of distillation water treatment, seed germination and seedling stem growth of tea were significantly inhibited by leaf aqueous extracts of C. illinoensis when concentration was higher than 25 mg FW/mL; 2. Different concentration leaf aqueous extracts of C. mollissima had no significant inhibitory effect on seed germination of C. sinensis, but the seedling root growth was improved at lower levels and inhibited at higher levels. Moreover, with the increase of concentration, the inhibitory effects on seedling fresh weight and dry weight were gradually increased. 3. Seed germination of tea was significantly inhibited by leaf aqueous extracts of M. rubra when concentration was higher than 100 mg FW/mL; with the increase of concentration, the inhibitory effect on the seedling stem growth was gradually increased, but the tea seedling fresh weight and dry weight were improved at lower levels and inhibited at higher levels. The order of the general allelopathic effect of leaf aqueous extracts from that three plant species on tea seed germination and seedlings growth was C. illinoensis>M. rubra>C. mollissima.

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备注/Memo

备注/Memo:
收稿日期：2022-04-10;修回日期：2022-04-30
基金项目：江苏省重点研发计划（现代农业）项目“薄壳山核桃绿色高效复合栽培技术研究”（BE2019397）
作者简介：杨巨仙（1990- ），女，山西太原人，硕士。主要从事植物生理学研究。
*通信作者：窦全琴(1965- )，女，河南沈丘人，研究员,大学本科毕业。主要从事森林栽培学研究。
更新日期/Last Update: 2022-08-08