杨树农田防护林枯落物对5种植物种子萌发的影响

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摘要为了解杨树枯落物的他感作用，研究了杨树枯落物水浸提液对高粱、糜子、白菜、芫荽、小麦等5种植物种子萌发和幼苗生长的影响。结果表明：杨树他感作用是存在的，不同浓度杨树枯落物水浸提液对5种植物种子萌发及幼苗生长有不同他感作用。

关键词杨树；他感作用；种子萌发

中图分类号：S792.11；S727.24文献标识码：Adoi：10.13601/j.issn.1005-5215.2023.02.015

EffectsofLitterofPopulusFarmlandShelterbeltsonSeedGerminationofFiveKindsofPlants

MaLina1，YinPengfei1，HanYueming2，RanQiuyan3，YangTian3，WangJuan3

（1.State-ownedForestProtectionCenter，NewIndustrializedEconomicDevelopmentZone，SipingCity，JilinProvince，Siping136000，China;2.SanchaziForestryBureauofJilinForestryIndustryGroup，Baishan134300，China;3.CollegeofLifeSciences，BaichengNormalCollege，Baicheng137000，China）

AbstractTheeffectsofPopuluslitterextractonseedgerminationandseedlinggrowthoffivekindsofplants（Sorghumbicolor，Panicummiliaceum，Brassicapekinensis，Coriandrumsativum，andTriticumaestivum）wereinvestigatedtounderstandtheallelopathyofPopuluslitter.TheresultsshowedthatPopulusallelopathyexisted，anddifferentconcentrationsofPopulusextracthaddifferenteffectsonseedgerminationandseedlinggrowthofthefivekindsofplants.ThisindicatedthatdifferentconcentrationsofPopuluslitterwaterextracthaddifferentallelopathyonseedgerminationandseedlinggrowthofthefivekindsofplants.

KeywordsPopulus;allelopathy;seedgermination

杨树（Populusspp.）为杨柳科杨属木本植物的总称，是我国北方地区人工造林的主要应用树种[1]，因其生长速度快，成林早，应用非常广泛，特别是农田防护林。（剩余3321字）