大棚苦瓜早熟栽培方法.pdf

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理响应机制[J].园艺学报,2016,43(6)1126-1140.[12]陈秋明,尹慧,李晓艳,等.高温胁迫下外源水杨酸对百合抗氧化系统的影响[J].中国农业大学学报,2008,13(2)44-48.[13]戴玉池,邓霞玲,姜孝成,等.不同水稻品种幼苗期的耐寒生理鉴定及其利用[J].湖南师范大学自然科学学报,2004,27(3)86-89.[14]祁栋灵,张三元,槽桂兰,等.水稻发芽期和幼苗前期耐碱性的鉴定方法研究[J].植物遗传资源学报,2006,7(1)74-80.Correlation Analysis on Leaf Chlorophyl Content,Malondialdehyde Content and Alkali Damage Index ofLily Seedling Under Alkali StressSUN Mingmao1,LIU Lixia2(1.Jiasixie Agricultural Colege,Weifang University of Science and Technology,Shouguang,Shandong 262700;2.PlantProtection Station,Shouguang Municipal Bureau of Agriculture,Shouguang,Shandong 262700)AbstractThe field growingseedlings of lilyvarieties‘Honesty’‘Suncrest’‘L.lancifolium’and‘L.trompeten’were sampled and treated with 0,20,25,30,35g·L-1 Na2CO3aqueous solution,respectively.Moreover,variation and correlation analyses on leaf chlorophyl a content,chlorophyl bcontent,total chlorophyl content,malondialdehyde content and alkali damage index of treated lilyseedlings were conducted.With increasingtreatment concentration of Na2CO3,the means of leafchlorophyl a content,chlorophyl b content,total chlorophyl content of four lilyvarieties showed adowntrend,while the means of leaf malondialdehyde content and alkali damage index showed anuptrend.There were significant positive correlations(P<0.05or P<0.01)between the leafchlorophyl contents of lily.Between the leaf malondialdehyde contents,between the leaf alkali damageindexes,between leaf malondialdehyde contents and alkali damage indexes displayed significantpositive correlations(P<0.05or P<0.01).However,the correlations between leaf chlorophylcontents and malondialdehyde contents,between leaf chlorophyl contents and alkali damage indexeswere not significant.Keywordsfield growingseedlingof lily;chlorophyl content;malondialdehyde content;alkali damageindex;correlation analysis大棚苦瓜早熟栽培方法一、种类选用适于大棚培养的优秀苦瓜种类。二、培养壮苗1月上中旬大棚内电热温床育苗,营养钵护根。苦瓜种子有龟甲似的硬壳,需用开水或温水冲籽,搅至不棘手时,置于常温下(25℃左右)浸泡24~28h,取出、洗净、包好,在30~35℃条件下催芽7~10d即可出芽。每667m2大棚需种量200g左右。三、定植。2月中下旬麦苗有4~5片叶时,定植于连沟1.2m宽的高畦,栽1行,株距0.5m,每667m2栽1 100株。四、定植后的管理。①大棚控温调湿。②肥水管理。③整枝、搭架。④人工辅佐授粉。五、采收。苦瓜以嫩瓜供食用,花后12~15d及时采收。一般果实充沛长大,花冠开端干燥时是采收适期。(来源中国农业科技信息网)89北方园艺3月(上)
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