Soil yeasts promoting plant growth: benefits for the development of common wheat and white mustard

IF 0.8 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY
D. Radić, Vera Karličić, Jelena S. Đorđević, Jelena Jovičić-Petrović, I. Kljujev, B. Lalević, V. Raičević
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引用次数: 1

Abstract

A large number of soil microorganisms are characterized as plant growth promoting, but there seems to be a lack of comprehensive knowledge regarding plant growth promoting soil yeasts. The aim of the experiment was to analyse the properties of three yeast species: Schwanniomyces occidentalis BK0302D, Cyberlindnera saturnus CK2404I and Candida tropicalis 2TD2912B, important for plant growth (ammonium sulphate transformation, phosphorus, potassium and zinc dissolution), and to evaluate the effect of yeast on the growth of common wheat and white mustard seedlings after seeds’ inoculation. Common wheat and white mustard seeds were inoculated with the selected yeasts. The final measurements showed that the highest amount of nitrate (10.40 μg mL-1 NO3 −) was produced by C. saturnus CK2404I, while S. occidentalis BK0302D solubilized the largest amount of phosphorus (63.70 μg mL-1 P). All three strains are marked as potassium and zinc solubilizers with both acid and alkaline phosphatase activity. This is the first report on S. occidentalis and C. tropicalis ability to solubilize insoluble potassium and zinc, and C. saturnus ability to solubilize insoluble phosphorus, potassium and zinc. Also, C. tropicalis 2TD2912B exhibited high antagonistic activity (66% growth inhibition) toward Botrytis cinerea. In vivo trial was conducted in a low-nutrient substrate, and S. occidentalis BK0302D was found to have the most considerable influence on common wheat biomass production (34% increase). White mustard inoculation with C. saturnus CK2404I resulted in a 4-fold higher biomass production, while S. occidentalis BK0302D induced a 2-fold increase. The presented results confirmed the multi-functional plant growth promoting characteristics of the tested yeasts and their potential for broad application from conventional agriculture on low-nutrient soils to revegetation of disturbed substrates.
促进植物生长的土壤酵母:对普通小麦和白芥菜的生长有益
大量土壤微生物具有促进植物生长的特性,但对促进植物生长的土壤酵母缺乏全面的认识。本试验旨在分析对植物生长具有重要作用的3种酵母:西雪菌BK0302D、Cyberlindnera saturnus CK2404I和热带念珠菌2TD2912B的特性(硫酸铵转化、磷、钾、锌溶解),并评价酵母接种种子后对普通小麦和白芥菜幼苗生长的影响。用选定的酵母接种普通小麦和白芥菜种子。结果表明,C. saturnus CK2404I产生的硝态氮含量最高(10.40 μg mL-1 NO3−),而S. occidentalis BK0302D溶解的磷含量最高(63.70 μg mL-1 P)。3株菌株均具有酸性和碱性磷酸酶活性,是钾和锌的增溶剂。本文首次报道了西花楸和热带花楸对不溶性钾和锌的溶解能力,以及饱和花楸对不溶性磷、钾和锌的溶解能力。此外,C. tropical alis 2TD2912B对葡萄灰霉病(Botrytis cinerea)具有较高的拮抗活性(66%的生长抑制)。在低营养基质下进行体内试验,发现西曲霉BK0302D对普通小麦生物量产量的影响最大(增加34%)。接种C. saturnus CK2404I和S. occidentalis BK0302D的白芥菜生物量分别提高了4倍和2倍。研究结果证实了所试酵母菌具有促进植物生长的多功能特性,以及它们在低营养土壤的常规农业和受干扰基质的植被恢复方面的广泛应用潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Zemdirbyste-agriculture
Zemdirbyste-agriculture AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
1.80
自引率
11.10%
发文量
36
审稿时长
>12 weeks
期刊介绍: Zemdirbyste-Agriculture is a quarterly scientific journal which covers a wide range of topics in the field of agricultural sciences, agronomy. It publishes articles of original research findings in the English language in the field of agronomy (soil and crop management, crop production, plant protection, plant breeding and genetics, biotechnology, plant nutrition, agrochemistry, soil science, microbiology etc.) and related areas. Articles are peer-reviewed. Review, debating papers as well as those of a methodological nature will also be considered.
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