宁南山区红梅杏不同发育期抗寒性评价

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关键词红梅杏;春霜冻；发育期;抗寒性；隶属函数中图分类号S662.2文献标识码A文章编号 0517-6611（2025）20-0046-06doi： 10.3969/j.issn.0517-6611.2025.20.009

AbstractInodertxploretholdesistanceofngeacotifentdeveopetalstagsigxiamproeteoogad earlywaringabiltofsprroinogeiaprcodennddueessofosaseisdyudrtialfrosber tosimulatethelowtmpeareevioent.Fourtempeaturetreamentseresetuintebdstag，fulbostageandyugfruitstage of Hongmei apricot，respectively，for 1h ，and the cold resistance indexes of each period were measured.The membership function method was usedtoevaluatetecoldresistance.Theresultsshowedthattecontentsofsolubleprotein，solublesugar，freproline，MDAandteactivitiesofCATandSODcouldbeusedastheindexestoevaluatethecoldresistanceofHongmeiapricotInthethreedevelopmentalstagesof Hongmei apricot，the cold resistance was the strongest in the bud stage，which could resist the low temperature of -4.5-4.0°C . The weakest cold resistance is the young fruit period，and the sensitive temperature of frezing is between -2.5--2.0°C . The flowering period is at the middle level，which can resist the low temperature of -3.5--3.0°C ：

Key WordsRed plum apricot;Spring frost;Developmental period;Cold resistance;Membership function

红梅杏（PrunusarmeniacaL.）也称新疆杏，其色泽鲜艳，风味独特，且具有耐寒、耐旱、耐瘠等特性，较其他品种贮运性强，为宁南山区脱贫致富、生态环境建设提供了支撑，促进了宁南山区社会经济和生态环境的健康发展[1]。（剩余8932字）