CAJ | 학술논문

通过不同温度处理马铃薯苗期植株，以评价叶片损伤程度为标准，建立马铃薯苗期抗寒能力的直接评价体系，并利用该评价体系和电解质渗漏法，对40份马铃薯材料进行抗寒能力测定和相关分析。结果显示，两种方法间具有极显著的直线相关关系（Y=8.65+1.75X，r=0.86, P<0.01),说明苗期抗寒能力直接评价体系可准确高效地评价马铃薯抗寒能力；同时也筛选获得了21份具有较好抗寒能力的马铃薯材料，为后期马铃薯抗寒相关研究和抗寒育种提供了材料保障。
통과불동온도처리마령서묘기식주，이평개협편손상정도위표준，건립마령서묘기항한능력적직접평개체계，병이용해평개체계화전해질삼루법，대40빈마령서재료진행항한능력측정화상관분석。결과현시，량충방법간구유겁현저적직선상관관계（Y=8.65+1.75X，r=0.86, P<0.01),설명묘기항한능력직접평개체계가준학고효지평개마령서항한능력；동시야사선획득료21빈구유교호항한능력적마령서재료，위후기마령서항한상관연구화항한육충제공료재료보장。
Direct cold-resistance evaluation system for potato seedlings was established on the experiment of the potato seedlings treated with graded temperature in this research, in which the injury content of the leaves was used as standard. Meanwhile, the electrolyte leakage was used to validate this method. The results of correlation analysis of the direct cold-resistance evaluation system and electrolyte leakage, based on 40 potato varieties, showed that the system was effective and precise (Y=8.65+1.75X, r=0.86, P<0.01). Meanwhile, 21 varieties were confirmed with cold resistance and would be used in the further breeding for cold resistance.