水杨酸喷雾对两个干旱胁迫水稻品种分期生长和抗氧化防御系统的缓解作用

IF 3 2区农林科学 Q1 AGRONOMY

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY Pub Date : 2023-01-01 DOI:10.55730/1300-011x.3066

Asma, I. Hussain, M. Ashraf, M. Saleem, M. Ashraf, B. Ali, A. Shereen, G. Farid, Muhammad Ali, M. U. Shirazi, A. Saleem, Y. Mostafa, M. Hashem, G. Yasin

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引用次数: 13

摘要

当前位置全球约有33%的可耕地易受干旱影响，这是影响谷类作物产量和生产力的一个非常严重的问题。在不同水平的水分处理下，对两种不同基因型水稻(Oryza sativa L.)，即推荐的控制淹水(CF)(对照)、控制饱和(CS) 100%田间容量(FC)、80% FC和60% FC进行了评估，以提高产量，保障粮食安全。结果表明:在不同缺水条件下，叶片气体交换参数、水分利用效率和水分相关参数均降低;干旱胁迫增加了氧化应激(超氧阴离子和过氧化氢)，叶面喷施SA后，由于抗氧化活性(过氧化氢酶、抗坏血酸过氧化物酶、过氧化物酶、超氧化物歧化酶)增强，氧化应激降低。抗坏血酸

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Alleviating effects of salicylic acid spray on stage-based growth and antioxidative defense system in two drought-stressed rice (Oryza sativa L.) cultivars

: Approximately 33% of the arable land around the world is vulnerable to drought, which is a very serious issue affecting the yield and productivity of cereal crops. Two contrasting rice ( Oryza sativa L.) genotypes, HTT-138 (drought tolerant) and (HTT-39 drought-sensitive), under various levels of water treatments, i.e. control flooded (CF) as recommended for rice (control), control saturated (CS) 100% field capacity (FC), 80% FC, and 60% FC without or with foliar spray (100 mg L –1 ) of salicylic acid (SA) evaluated to enhance the yield for food security. The results showed that leaf gas exchange parameters, water use efficiency and water related parameters reduced under all levels of water deficient conditions. Drought stress increased oxidative stress (superoxide anions and hydrogen peroxide) and decreased after foliar spray of SA due to enhancement in antioxidant activity (catalase, ascorbate peroxidase, peroxidase, superoxide dismutase). Ascorbic acid

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来源期刊

TURKISH JOURNAL OF AGRICULTURE AND FORESTRY 农林科学-农艺学

CiteScore

4.20

自引率

6.90%

发文量

审稿时长

12 months

期刊介绍： The Turkish Journal of Agriculture and Forestry is published electronically 6 times a year by the Scientific and Technological Research Council of Turkey (TÜBİTAK). It publishes, in English, full-length original research papers and solicited review articles on advances in agronomy, horticulture, plant breeding, plant protection, plant molecular biology and biotechnology, soil science and plant nutrition, bionergy and energy crops, irrigation, agricultural technologies, plant-based food science and technology, forestry, and forest industry products.