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本试验以30份华北型三叶一心期黄瓜为试验材料,昼/夜温度为12℃/6℃、光照强度7000 lx、处理8 d,低温胁迫处理结果表明:根据冷害指数、电导率、自由水/束缚水值进行聚类分析,筛选出了冷敏感材料有3、9、11、16、17、18、19、20、22、23、25、26、27;弱耐冷型材料有1、2、4、5、6、8、10、12、13、15、17;强耐冷型材料有14、21、24、28、29、30。对于冷害指数、电导率、自由水、自由水/束缚水值表现为冷敏感型材料>弱耐冷型>强耐冷型;对于束缚水表现为冷敏感型材料<弱耐冷型<强耐冷型。
In this experiment, 30 North China clover and one-stage cucumber were used as experimental material. The day / night temperature was 12 ℃ / 6 ℃, the light intensity was 7000 lx and the treatment was 8 d. The results of low temperature stress treatment showed that according to chilling injury index, conductivity, Water / irreducible water value for clustering analysis, screened the cold sensitive materials are 3,9,11,16,17,18,19,20,22,23,25,26,27; weak cold-resistant materials are 1, 2,4,5,6,8,10,12,13,15,17; strong cold-resistant materials are 14,21,24,28,29,30. For the chilling injury index, conductivity, free water, free water / irreducible water showed cold sensitive material> weak cold resistant> strong cold resistant; for irreducible water, cold sensitive material strong
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