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1、第35卷第6期西北農(nóng)林科技大學(xué)學(xué)報(bào)(白然科學(xué)版)Vol.35No.6200?年6月JournalofNorthwestA乙Funiversity(Nat.sci.Ed.)Jun.2007大蒜植株水浸液醇溶成分的化感作用咚飛,程智慧,金瑞,周艷麗(西北農(nóng)林科技大學(xué)園藝學(xué)院,陜西楊凌712100)為了解大蒜化感作用的機(jī)理,利用大蒜構(gòu)建合理的栽培制度,以水浸提大蒜植株,XAD-4樹脂吸附,真空濃縮至干,以蒸餾水溶解獲得大蒜植株水浸液醇溶成分,在5種質(zhì)量濃度梯度下,用蒸餾水為對‘蔬菜進(jìn)行發(fā)芽和幼苗生長生物測定,研究大蒜植株水浸液醇溶成分的化感作用。結(jié)果表明,。.04乏水浸液醇溶成
2、分對黃瓜、番茄、甜椒、甘藍(lán)、茄子的發(fā)芽率、發(fā)芽指數(shù)及幼苗生長表現(xiàn)出抑制效應(yīng),對甜長表現(xiàn)出促進(jìn)效應(yīng)。大蒜植株水浸液醇溶成分對番茄表現(xiàn)為低質(zhì)量濃度促進(jìn)和高質(zhì)量濃度抑制的化。以上結(jié)果表[關(guān)鍵詞〕大蒜;化感作用;水浸液醇溶成分;生物檢測;番茄[中圖分類號(hào)〕5633.4【文獻(xiàn)標(biāo)識(shí)碼」A[文章編號(hào)]1671一9387(2007)06一0119一06AlleloPathyofmethanoIdissolvedingredientfromgarlicPlantaqueousextractsTONGFei,CHENGZhi一hui,JINRui,ZHOUYa介11(colleg。ofHor
3、ticulture,North切estA&FUniversit少,Yangling,5入aaox£712100,Chf,a)Abstract:lnordertoknowthemechanismofgalicallelopathy,andmakeuseofgalictosetuprationa1crop-pingsystem,thetestusedgalicplantaqueousextractsadsorbedbyXAn4resinanddissolvedbyrnethanol,thenconcentratedinvacuum,anddissolvedindistille
4、dwaterbyusingdistilledwaterforcontrol,tostudytheallelopathyofmethano1dissolvedingredientsfromgarlicplantaqueousextractsonsixreceiverv館etablecropsthroughbio--as-sayofseedgerminationandseedlinggrowthofthereceivercrops.Theresultsindicatedthatattheconcentrationof0。049/mLgarlicextractsshowedin
5、hibitoryeffectsonseedgerminationrate,germinationindexandseedlinggrowthofcucumber,tomato,sweetpepper,cabbageandeggplant,butpromotioneHectonmelon.Garlicextractsshoweddoublea1lelopathicconcentrationeffectsontomato,suppressionatlowconcentrationandpromotionathighconcentration.Atthelowconcentra
6、tionofo.0059/mL,thecroplengthandrootlengthoftomatoincreasedmostsignificantlyandsignificantly,respecitively.However,startingfromtheconcentrationof邵rlicextractsincreasedto0.019/mL,thetoPfreshweight,rootlengthandrootfreshweightoftotnatowereinhibited,andthecontentof2006一11一22國家“十五”科技攻關(guān)項(xiàng)目(2。。4
7、BA516Ao9);西北農(nóng)林科技大學(xué)研究生教育創(chuàng)新計(jì)劃項(xiàng)目(0sychO14)女終飛(1981一)。男,內(nèi)蒙古通遼人,在讀碩士,主要從事蔬菜栽培生理生態(tài)研究。程智慧(1958一).,陜西興平人,教授,博士生導(dǎo)師,主要從事蔬菜栽培生理生態(tài)與生物技術(shù)研究。E一mail:cheng:h@nwsuaf.edu.cn西北農(nóng)林科技大學(xué)學(xué)報(bào)(自然科學(xué)版)第35卷MDAandtherootvigorincreasedtothelevelhigherthanthecontrol;startingfromtheconcentrationofgar