[Objective] The present study was conducted to evaluate the cold resis-tance of four cherry cultivars under different chil ing stresses. [Method] Four cultivars of Cerasus, Early-mahapphala, Red light, Lapins and Kash...[Objective] The present study was conducted to evaluate the cold resis-tance of four cherry cultivars under different chil ing stresses. [Method] Four cultivars of Cerasus, Early-mahapphala, Red light, Lapins and Kashgar Kukan were selected as the experimental materials, and the changes of the relative electric conductivity （REC）, proline （PRO） content, malondialdehyde （MDA） content, superoxide dismu-tase （SOD） activity and peroxidase （POD） activity of dormant branches of the four cherry cultivars under low temperature stress were investigated. [Result] The REC of the four cherry cultivars was Kashgar kukan 〉 Red light 〉 Early-mahapphala 〉Lapins, while the MDA content was Kashgar kukan 〉 Early-mahapphala 〉 Red light 〉Lapins, both showed a rising trend in the four cultivars with the aggravating of the low temperature stress. The PRO content, POD and SOD activities of al cultivars were precisely contrary to their REC and MDA content, as al of them exhibited a sequence as Lapins 〉 Red light 〉 Early-mahapphala 〉 Kashgar kukan in al culti-vars, and got a trend of first rising and then declining. [Conclusion] Therefore, our final evaluation of cold resistance of the four cherry cultivars was Lapins 〉 Red light 〉 Early-mahapphala 〉 Kashgar kukan.展开更多
基金Supported by the Science and Technology Supporting Project in Xinjiang Uygur Autonomous Region(201291123)~~
文摘[Objective] The present study was conducted to evaluate the cold resis-tance of four cherry cultivars under different chil ing stresses. [Method] Four cultivars of Cerasus, Early-mahapphala, Red light, Lapins and Kashgar Kukan were selected as the experimental materials, and the changes of the relative electric conductivity （REC）, proline （PRO） content, malondialdehyde （MDA） content, superoxide dismu-tase （SOD） activity and peroxidase （POD） activity of dormant branches of the four cherry cultivars under low temperature stress were investigated. [Result] The REC of the four cherry cultivars was Kashgar kukan 〉 Red light 〉 Early-mahapphala 〉Lapins, while the MDA content was Kashgar kukan 〉 Early-mahapphala 〉 Red light 〉Lapins, both showed a rising trend in the four cultivars with the aggravating of the low temperature stress. The PRO content, POD and SOD activities of al cultivars were precisely contrary to their REC and MDA content, as al of them exhibited a sequence as Lapins 〉 Red light 〉 Early-mahapphala 〉 Kashgar kukan in al culti-vars, and got a trend of first rising and then declining. [Conclusion] Therefore, our final evaluation of cold resistance of the four cherry cultivars was Lapins 〉 Red light 〉 Early-mahapphala 〉 Kashgar kukan.
