不同绿豆品种用作绿肥的筛选评价研究

《不同绿豆品种用作绿肥的筛选评价研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、利用。通过对成熟期主要评价指标进行主成分分析及聚类，18个绿豆品种可划分为5类。第1类包括C2032、C0998和C1271，具有高生物量、产量及养分累积量，低C／N，低耐荫性，可摘荚后翻压，但不适于间套作种植。第1I类包括C0827、C0003等11个品种，各性状值均较优，具有较高的绿肥利用价值。第Ⅲ类仅包含C3821一个品种，各性状表现均较差，不适合用作绿肥。第Ⅳ类仅包括晋绿豆l号，该品种除植株钾累积量较高外，其余指标表现均较差。第V类包括冀绿7号、冀绿8号两个品种，具有较低的生物量、产量及养分累积量，但耐荫性较优，适用于间套作或填闲种植，更适合作为粮食作物。关键词：绿豆，绿肥

2、，种质资源，筛选，评价，腐解规律H厂AbstractMungbean(觋radiataL．)hasrichgermplasmresourcesandiscultivatedextensivelyinChina．AsOlleofancientcropsforgrainandmallul℃use，mungbeanisplantedtocoordinatesoftconsumptionandfertilization．However,thereislittleresearch011mungbeangermplasmforgreennlRllul"el船屺．Throughpotexperi

3、ment,thispaperinadepreliminaryresearch011evaluationofgreenmanureeffectswith18$ummel"seedingmungbeauvarieties．Andtheevaluationaspectsincludedagronomy,plantandsoilnutrients，photosynthesisandshade-tolerance．Throughcoveringmungbeanplantinsoilandindoorculture，thepaperhadafurtherresearchonmungbeaupl

4、antdecompositionpatternandeffectsonsoilnutrients．Theaimwastoprovidereferenceforscreening，evaluatingandutilizingmungbeangermplasmforgreenmallul℃use．MainresultsW01"0asfollows：1．EvaluationofagronomicWaitsofdifferentmungbeanvarieties．Atflowering-podingstage，rootfleshweight,rootnoduleweight,rootnod

5、uleamountandthediameterofbiggestnodulehadhighsignificantpositivecorrelationwithplantbiomass∽0．05)．Betweenbiomassandheight,8t．明flldiameterandyieldeta1．atmaturestage，thereWaSsignificantpositivecorrelationQ

6、01)．Therefore，plantbiomasswasthemostimportantindex，besides,thegrowthperiodalsoneedconsideredwhenWeevaluatemungbeangermplasmasgreenmanul屯byagronomicWaits．Therewasnodifferencebetweenflowering-podingandmaturestageswithoutseedonplantbiomass．2．Evaluationofplantandsoftnutrientcharacter确csofdifferent

7、mungbeanvarieties．Nitrogen㈣，phosphorus∽andpotassium∞contentsofplantatmaturestageweresignificantlyhigherthanthatatflowering-podingstage，andC／Nratiowasopposite(刚．01)．Fromplantnutrientaccumulationaspect,NandPaccumulationsalmaturestageweros