Investigation of effective microorganisms application method on alleviation of salt stress effects on root morphology of sweet corn

Q4 Biochemistry, Genetics and Molecular Biology Ratarstvo i Povrtarstvo Pub Date : 2017-01-01 DOI:10.5937/RATPOV54-12469
Z. Sabeti, M. Armin, Kakhki Mohamad Reza Vaezi
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引用次数: 3

Abstract

Root morphology can be affected by many factors such as microorganisms. To determine the effect of effective microorganisms (EM) on the root morphology of sweet corn under salt stress, a factorial experiment was carried out in a randomized complete block design with three replications in Islamic Azad University of Sabzevar in 2013. Examined factors included application method of EM (soil application, foliar application and soil+foliar application) and intensity of salinity (0, 25, 50, 75 mM). Commercial solution of EM was applied at 30 liters per hectare for soil application and foliar application during five-leaf stage. The highest root dry weight, root density and membrane stability were observed in soil application while the highest root volume, root length, root and shoot dry weight occurred when soil and foliar application were performed together. With increasing intensity of salinity, all traits decreased and the highest traits were observed in the control treatment. Soil application of EM in comparison with other methods alleviates effects of salinity under saline conditions.
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缓解盐胁迫对甜玉米根系形态影响的有效微生物施用方法研究
根系形态受微生物等多种因素的影响。为确定盐胁迫下有效微生物(EM)对甜玉米根系形态的影响,于2013年在萨夫泽瓦尔伊斯兰阿扎德大学采用3个重复的随机完全区组设计进行了因子试验。考察了EM的施用方式(土壤施用、叶面施用和土壤+叶面施用)和盐度强度(0、25、50、75 mM)。在五叶期,每公顷施用30升EM商业溶液,用于土壤施用和叶面施用。土壤处理的根干重、根密度和膜稳定性最高,土壤和叶面同时处理的根体积、根长、根和茎干重最高。随着盐度的增加,各性状均呈下降趋势,以对照处理最高。在盐渍条件下,EM土壤施用与其他方法相比,减轻了盐分的影响。
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来源期刊
Ratarstvo i Povrtarstvo
Ratarstvo i Povrtarstvo Agricultural and Biological Sciences-Soil Science
CiteScore
0.80
自引率
0.00%
发文量
4
审稿时长
4 weeks
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