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发芽和生物适应方法作为盐压力耐受性过程在盐度压力下的选定的米品种中

G K Jhanani¹, Chandramohan Govindasamy², T Raghavendra³

¹University Centre for Research & Development, Chandigarh University, Mohali, 140103, India.

Environmental research

|July 6, 2024

概括

耐盐米种ADT45和ADT39表现出增强的抗氧化酶活性和对盐分的生化弹性. 这些发现强调了它们在盐土中种植的潜力,以改善全球粮食安全.

科学领域:

农业科学农业科学
植物生理学植物生理学
生物化学生物化学

背景情况:

全球粮食需求需要在边缘土地上种植作物,包括盐土.
米 (Oryza sativa) 种植面临着由于土壤盐度而面临的重大挑战.
鉴定耐盐米品种对于可持续农业至关重要.

研究的目的:

为了评估不米品种ADT45和ADT39.的盐耐受性.
研究这些品种中盐耐受性背后的生理和生化机制.
确定ADT45和ADT39在盐水环境中培养的潜力.

主要方法:

在盐水条件下分析发芽率.
植物颜料和生物分子的量化 (例如,叶绿素,素,胡卜素,素,素).
测定抗氧化酶活性 (超氧化脱酶,酶,过氧酶) 和活性氧物种 (ROS) 水平.

主要成果:

ADT45和ADT39表现出不同程度的盐分耐受性,ADT45表现出更高的弹性.
抗氧化酶 (SOD,CAT,POD) 在ADT45中有效排毒度诱导的ROS,其次是ADT39.
盐度压力对两种品种的颜料和生物分子水平产生了重大影响,H2O2和proline积累的显著差异.

结论:

ADT45和ADT39具有不同的盐耐受机制,涉及抗氧化剂防御系统.
ADT45显示过氧化水平与抗氧化酶活性之间存在强烈的相关性,这表明应激反应强大.
ADT45和ADT39被确定为有希望的耐盐米品种,用于增强盐水土上的米生产.

关键词:

在ADT45和ADT39中使用.生物化学参数生物化学参数生物分子是生物分子.酶分析是一种酶分析.盐度压力是一种盐度压力.

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