CAJ | 학술논문

在土培条件下采用模拟盐胁迫的方法，对16个辣椒（ Capsicum annum L．）品种在盐胁迫下萌芽期和幼苗期的生长和生理特性进行研究。结果表明，在盐胁迫下所有供试辣椒品种在萌芽期的发芽率、发芽势、发芽指数、苗长、胚根长、苗重和胚根重均有不同程度的降低；幼苗期的过氧化物酶（ POD ）、过氧化氢酶（ CAT）和抗坏血酸过氧化物酶（ APX）活性总体表现为增加，可溶性糖和可溶性蛋白含量则总体呈现下降趋势，超氧化物歧化酶（ SOD）不同品种表现不同。多元方差分析表明，相对发芽率、相对发芽指数等14个性状指标表现出显著差异性，以隶属函数值为依据的系统聚类分析将供试的辣椒品种分为3类，其中红艳、剑圣1、万家灯火、长虹361、红秀和北研尖椒3号为耐盐性较强的品种，剑圣2、博辣五号、红圣008、剑圣3和苏椒12号为耐盐性中等品种，利剑1、干鲜三号、长虹366、艳红1和艳红2为耐盐性较弱品种。
재토배조건하채용모의염협박적방법，대16개랄초（ Capsicum annum L．）품충재염협박하맹아기화유묘기적생장화생리특성진행연구。결과표명，재염협박하소유공시랄초품충재맹아기적발아솔、발아세、발아지수、묘장、배근장、묘중화배근중균유불동정도적강저；유묘기적과양화물매（ POD ）、과양화경매（ CAT）화항배혈산과양화물매（ APX）활성총체표현위증가，가용성당화가용성단백함량칙총체정현하강추세，초양화물기화매（ SOD）불동품충표현불동。다원방차분석표명，상대발아솔、상대발아지수등14개성상지표표현출현저차이성，이대속함수치위의거적계통취류분석장공시적랄초품충분위3류，기중홍염、검골1、만가등화、장홍361、홍수화북연첨초3호위내염성교강적품충，검골2、박랄오호、홍골008、검골3화소초12호위내염성중등품충，리검1、간선삼호、장홍366、염홍1화염홍2위내염성교약품충。
The growth and physiological characters of sixteen pepper ( Capsicum annum L.) varieties under salinity stress during seed germination and seedling stage were studied by the method of simulation in soil cultivation .The results showed that under salinity stress , percentage of germination , germination vigor , germination index , sprout height, radicle length, fresh mass of sprout and fresh mass of radical of all tested pepper varieties were decreased to different extent during seed germination stage.Peroxidase(POD)activities, catalase(CAT)activities and ascorbate peroxidase ( APX ) activities of all pepper varieties were increased , while soluble sugar content , soluble protein content of all pepper varieties were decreased , and superoxide dismutase ( SOD ) activities, different varieties displayed diverse responses to salinity stress .The fourteen character indexes from different varieties , such as relative percentage of germination and relative germination index etc showed significant difference by using multivariate variance analysis .Based on subjection values , the sixteen cultivars were classified into three categories by cluster analysis, Hongyan, Jiansheng1, Wanjiadenghuo, Changhong361, Hongxiu and Beiyanjianjiao No.3 were salt tolerant varieties, whereas Jiansheng2, Bolawuhao, Hongsheng008, Jiansheng3 and Sujiao No.12 were moderately salt tolerant varieties, but Lijian1, Ganxian No.3, Changhong366, Yanhong1 and Yanhong2 were salt sensitive varieties .