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中国农学通报

中国农学通报 ›› 2016, Vol. 32 ›› Issue (33): 89-93.doi: 10.11924/j.issn.1000-6850.casb16080040

• 农学 农业基础科学 • 上一篇    下一篇

烯效唑处理对高粱植株抗逆能力的影响

梁笃,郭琦,周福平,张一中,闫凤霞   

  1. 山西农业科学院高粱研究所 太原 030600,山西农业科学院高粱研究所 太原 030600,山西农业科学院高粱研究所 太原 030600,山西农业科学院高粱研究所 太原 030600,山西农业科学院高粱研究所 太原 030600
  • 收稿日期:2016-08-08 修回日期:2016-08-29 接受日期:2016-09-27 出版日期:2016-11-25 发布日期:2016-11-25
  • 通讯作者: 梁笃
  • 基金资助:
    “十二五”国家科技支撑计划项目“山西省糯高粱适宜品种鉴定及高产示范创建”(2014BAD07B02)；山西省财政厅种业发展专项项目“饲料 高粱种质资源创新及杂交组合选育”(2015ZYZX-09)；山西省农业科学院育种工程项目“饲料高粱种质资源创新及高消化率新品种选育”，“丰产、稳 产、优质糯高粱新品种选育”(16yzgc018，16yzgc019)；山西省农业科学院攻关项目“烯效唑对高粱生理生化特性、产量及品质的影响研究” (2013GG05)。

Influence of Uniconazole on Raising Sorghum’s Resistance to Adversity

  • Received:2016-08-08 Revised:2016-08-29 Accepted:2016-09-27 Online:2016-11-25 Published:2016-11-25

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摘要： 为了明确新型植物生长调节剂烯效唑对提高高粱植物抗逆能力的影响,本研究采用浸种、喷施两种处理及在高粱生长不同时期喷施不同浓度的烯效唑药剂,测定对高粱体内SOD、POD、CAT、MDA等酶活性的变化,探索烯效唑的生物活性。研究结果表明,无论是浸种还是喷施,SOD、POD和CAT 3种酶的含量均随着浓度的升高而升高,浸种在浓度40 mg/L时效果最佳,喷施在浓度125 mg/L时效果最佳。MDA含量随着浓度的增加先减低后升高,浸种处理在浓度40 mg/L时出现最低值,喷施处理在浓度125mg/L时出现最低值。说明烯效唑处理在一定程度上可防止或减缓细胞膜脂质过氧化,增强抗逆性。

关键词: 土地利用变化, 土地利用变化, 植被覆盖, 土壤侵蚀, 黄土高原

Abstract: To confirm the influence of uniconazole, a new plant growth regulator, on raising sorghum’s resistance to adversity, two professing methods of seed soaking and spraying were adopted in this research. For the spraying, in different growth periods of the sorghum, different concentrations of uniconazole were sprayed, so as to test the changes of enzyme activity of SOD, POD, CAT and MDA in sorghum and explore the biological activity of uniconazole. The research results showed that no matter it was seed soaking or spraying, the content of SOD, POD and CAT all rose along with the increase of uniconazole concentration. For seed soaking, the effect would be the best when the concentration was 40 mg/L. For spraying, the optimal effect would be achieved when the concentration was 125 mg/L. The content of MDA first reduced then rose along with the increase of the concentration. In terms of seed soaking treatment, the minimum value appeared when the concentration was 40 mg/L; in terms of spraying treatment, the minimum value appeared when the concentration was 125 mg/L, which meant that uniconazole could prevent or slow down the cell membrane lipidic peroxidation and enhance the sorghum’s resistance to adversity.

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