外源脯氨酸對(duì)干旱脅迫下番茄幼苗生長(zhǎng)發(fā)育的影響
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中圖分類(lèi)號(hào)：S641.2 文獻(xiàn)標(biāo)識(shí)碼：A DOI編碼：10.3969/j.issn.1006—6500.2025.06.009
Effects of Exogenous Proline on Growth and Development of Tomato Seedlings under Drought Stress
YANShujie，KONG Chao，JIANG Le， ZHANGQuanyan（SchlofesoucsdEontiiUsityKeybratoyofSoildateroseationdEioealoetiin Shandong province，Linyi，Shandong 276ooo，China）
Abstract： Inordertoinvestigatehowexogenousprolineregulatesthegrowthandphsiologicalcharacteristicsof tomatosdlingsunderdrought，prolinewasusedforfolarsprayingoftomatoseedlings，andonecontrolgroupwithnormalwateringandfivetreatment groups withdroughtanddiferentconcenrationsofprolinesprayed（，15，0，45，60mg·L-l）weresetuptostudythechangesin growthconditios，clorohyllntet，alonaldehdententdelativeectrcalconductivityoftmatosedlingferplcationof prolineunderdroughtstress.Theresultsshowed thattheplantheight，stemthickness，fresh massroot-crownratioand chlorophyllontentoftomatoseedlingsincreasedsignificantlywiththeincreaseofexternallappedprolineconcentratioafr droughtreatment，indicatingthatprolinecouldsignificantlyimprovethegrowthconditionofsedlingsunderdroughtstressandhda postiveefectonpromotingsdlinggowth.Throughthedeteinationofalondialdehdecontentandelativeconductivityfound thatwiththeeseofeallldolioeaiotetsodasingtrdiaigaoli efectivelyreducethedroughtstresonthedamageoftomatosedlingcellmembranesandimprovethedroughtresistanceof toato seedings.Incoclusion，theapproprateoncetrationofxogenouspolinecanancetedoughtrsistanceoftomatosdlingsby promotinggrowthnhancingphotosnthesisandprotectingcellmembranes，andtesultsoftisstudyprovideatechnicalerence for improving the quality and efficiency of tomato under drought stress.
Key words： drought stress; Solanum lycopersicum ; exogenous proline
番茄起源于南美洲熱帶地區(qū)，是一種喜溫性茄科作物，可與多種農(nóng)作物輪作、間作和套作。（剩余11236字）