有机改良剂在降低玫瑰干旱胁迫中的作用。

Q3 Agricultural and Biological Sciences

Advances in horticultural science Pub Date : 2022-07-29 DOI:10.36253/ahsc-12185

A. Oraee, M. Shoor, T. Oraee, A. Tehranifar, H. Nemati

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引用次数: 1

摘要

全球变暖导致的水资源短缺和自然资源的减少对观赏植物的生存产生了负面影响。在干旱和半干旱地区，土壤肥力仍然是一个问题。在干旱胁迫下，研究了4种培养基(耕地土壤、耕地土壤+牛粪、耕地土壤+稻壳、耕地土壤+麦秸)对紫花苜蓿(Alcea rosea L.)宏量营养素含量和数量性状的影响。施用有机改良剂减轻了干旱对土壤的负面影响，增加了有效有机宏量养分。施用有机改剂提高了蜀葵土壤和叶片的全氮、全磷、全钾含量。在80% FC浓度下施用有机改性剂，蜀葵总可溶性糖(11.9%)、RWC(8.75%)和酚类物质(36.4%)均显著提高。改良土壤(土壤+牛粪)提高了80% FC的超氧化物歧化酶和抗坏血酸过氧化物酶活性。土壤+牛粪是提高叶面积和干重的最佳补剂。综上所述，在干旱半干旱区施用有机改良剂是一种经济有效的改良土壤肥力和作物产量的方法。

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Organic amendments role in reducing drought stress in Alcea Rosea L.

Water scarcity and dwindling natural resources due to global warming are negatively impacting ornamental plant survival. Soil fertility remains a problem in arid and semiarid regions. In this study, the effects of four media (arable soil, arable soil + cow manure, arable soil + rice hull, arable soil + wheat straw) on macronutrient content and quantitative characteristics of Alcea rosea L. under drought stress were investigated. Application of organic amendments mitigated the negative effects of drought in the soil and increased the available organic macronutrients. The application of organic amendments increased the total N, P, and K content in the soil and leaves of hollyhock. Total soluble sugars (by 11.9%), RWC (by 8.75%) and phenolics (by 36.4%) of hollyhock were significantly improved by the application of organic amendments at 80% FC. The amended soil (soil + cow manure) increased the activities of superoxide dismutase and ascorbate peroxidase at 80% FC. Moreover, the soil + cow manure proved to be the best supplement to improve leaf area and dry weight. In conclusion, the application of organic amendments can be successfully used as a cost-effective management method to improve soil fertility and crop production in arid and semi-arid areas.

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来源期刊

Advances in horticultural science Agricultural and Biological Sciences-Horticulture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Advances in Horticultural Science aims to provide a forum for original investigations in horticulture, viticulture and oliviculture. The journal publishes fully refereed papers which cover applied and theoretical approaches to the most recent studies of all areas of horticulture - fruit growing, vegetable growing, viticulture, floriculture, medicinal plants, ornamental gardening, garden and landscape architecture, in temperate, subtropical and tropical regions. Papers on horticultural aspects of agronomic, breeding, biotechnology, entomology, irrigation and plant stress physiology, plant nutrition, plant protection, plant pathology, and pre and post harvest physiology, are also welcomed. The journal scope is the promotion of a sustainable increase of the quantity and quality of horticultural products and the transfer of the new knowledge in the field. Papers should report original research, should be methodologically sound and of relevance to the international scientific community. AHS publishes three types of manuscripts: Full-length - short note - review papers. Papers are published in English.