水分胁迫条件下水杨酸和钾对瓜尔豆产量和生理性状的影响

IF 0.8 4区生物学 Q3 AGRONOMY

Legume Research Pub Date : 2023-10-11 DOI:10.18805/lrf-753

Adel Amiri, Ahmad Aien, Gholamreza Afsharmanesh, Soheila Koorepaz

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引用次数: 0

摘要

背景:测定干旱胁迫条件下提高瓜尔瓜产量最重要的水杨酸含量。方法:为研究不同灌溉处理下钾和水杨酸对瓜尔豆农业和生理性状的影响，于2020-2021年在伊朗克尔曼省吉罗夫特地区研究中心农场和农业与自然资源教育机构的气候条件下进行田间试验。试验处理包括条形地块3级灌溉(常规灌溉、胁迫植株需水量的60%和80%)，水平地块3级水杨酸(不施用、0.1和0.5 mM)叶面喷施，2级钾肥(不施用和施用植株需水量的100%)。结果:干旱胁迫和施钾、施水杨酸对各性状均有显著影响。与常规灌溉相比，灌水量的减少导致瓜尔豆生理和功能特性的降低。但在胁迫和非胁迫条件下，钾和水杨酸均能提高瓜尔豆的产量特性和产量，钾+ 0.5 mM水杨酸是两种条件下的最佳处理。在60%胁迫下，与对照处理相比，株高(91%)、叶片数量(37%)、荚果数量(85%)、种子数量(70%)、种子产量(100%)、叶绿素a(61%)、叶绿素b(59%)和类胡萝卜素(100%)均显著增加。

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Promote the Yield and Physiological Traits in Guar (Cyamopsis tetragonoloba L.) by Application of Salicylic Acid and Potassium under Water Stress Conditions

Background: Determination of the most important level of salicylic acid to increase guar yield in drought stress conditions. Methods: In order to study the effect of potassium and salicylic acid on agricultural and physiological traits of guar in different irrigation treatments, a field experiment was conducted during 2020-2021 under the climatic conditions of Jiroft area (Kerman province, Iran) in the farm of research center and agricultural and natural resources education. The experimental treatments include three levels of irrigation (regular irrigation, stress 60 and 80% of the plant’s water requirement) in strip plots, three levels of salicylic acid (no application, 0.1 and 0.5 mM) as foliar spraying and two levels of potassium (no application and use of 100% of the plant’s need for potassium) in horizontal plots. Result: The results showed that drought stress and application of potassium and salicylic acid had a significant effect on all traits. Decreasing the amount of water led to a decrease in the physiological and functional characteristics of guar compared to regular irrigation. But potassium and salicylic acid were able to improve the yield characteristics and yield of guar under stress and non-stress conditions and the use of potassium + 0.5 mM salicylic acid were introduced as the best treatment for both conditions. This treatment at 60% stress led to an increase in plant height (91%), the number of leaves (37%), the number of pods (85%), seed number (70%), seed yield (100%), chlorophyll a (61%), chlorophyll b (59%) and carotenoid (100%) compared to the control treatment.

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来源期刊

Legume Research AGRONOMY-

CiteScore

1.30

自引率

37.50%

发文量

256

审稿时长

6-12 weeks

期刊介绍： Legume Research An International Journal. The Journal is an official publication of Agricultural Research Communication Centre. It is designed to bring out the original research articles on genetics, breeding, physiology, bacterial avtivity, production, quality, biochemistry and seeds of legumes crops. The objective of the journal is to serve as a forum for scientific community to publish their research findings on legumes ans to provide basis for new research. Journal is being scanned in the important indexing and abstracting services.