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中国农学通报 ›› 2015, Vol. 31 ›› Issue (31): 96-103.doi: 10.11924/j.issn.1000-6850.casb15040153

所属专题: 生物技术

• 林学 园艺 园林 • 上一篇    下一篇

盐胁迫对油桃生理生化特性的影响

尤 超,孙 锦   

  1. 南京农业大学宿迁设施园艺研究院,南京农业大学园艺学院
  • 收稿日期:2015-04-20 修回日期:2015-06-12 接受日期:2015-06-25 出版日期:2015-11-16 发布日期:2015-11-16
  • 通讯作者: 孙 锦
  • 基金资助:
    江苏省重大创新载体项目“南京农业大学(宿迁)设施园艺研究院建设”(BY2011012)

Effects of Salt Stress on Physiological-biochemical Characteristics in Nectarine

  • Received:2015-04-20 Revised:2015-06-12 Accepted:2015-06-25 Online:2015-11-16 Published:2015-11-16

摘要: 为分析不同油桃的耐盐特性,为后续的耐盐品种选育研究打下基础,以‘华光’油桃盆栽苗为试材,研究不同程度盐胁迫对植株茎生理指标的影响。试验发现0.4%盐胁迫下各指标与对照组无明显差异,0.8%盐胁迫中后期开始有一定影响,而1.2%盐胁迫初期时相关指标便有极明显差异,表明该盐环境为植株能够承受的极限。在此基础上,以‘中油桃4 号’、‘艳光’、‘华光’、‘千年红’、‘玫瑰红’5 个品种油桃盆栽苗为试验材料,分析了1.2%盐溶液胁迫下的生理指标变化,研究不同品种油桃的耐盐特性。结果表明:不同油桃品种在盐胁迫下的表现差异性很大,黄肉品种‘中油桃4 号’耐盐特性优于‘千年红’;白肉品种‘华光’耐盐性强于‘艳光’,‘玫瑰红’高于‘华光’;白肉品种耐盐特性整体上强于黄肉品种。

关键词: 杀菌剂, 杀菌剂, 韭菜灰霉病, 生物药剂, 啶菌噁唑, 寡雄腐霉

Abstract: In order to analyze salt resistant levels of different nectarine varieties, provide foundation for salt tolerance breeding research, the potted nectarine seedlings of‘Huaguang’(H) were used as materials for the study on the changing tendency of physiological index in the stem under different salt stress levels. The results showed that the index of nectarine stem had no significant change under the stress of 0.4% NaCl, the relevant indicators were affected with 0.8% NaCl in the late period. With 1.2% level of NaCl, the index had significant difference in prophase, indicating that salt environment was the limit to the plants. Based on this, the potted seedlings of‘Huaguang’(H),‘Zhongyoutao 4’(Z),‘Yanguang’(Y),‘Qiannianhong’(Q),‘Meiguihong’(M) were used as materials, the physiological index changes were analyzed under stress of 1.2% NaCl solution to research salt resistant levels of different varieties of nectarine. The results indicated that the performance also varied considerably among different cultivars under salt stress, the sequence of the salt tolerance of yellow flesh cultivars was Z>Q; the sequence of the salt resistance of white flesh cultivars were H>Y, M>H; and the sequence of the salt resistance of white flesh cultivars was stronger than that of yellow flesh cultivars.