与巴西偶氮螺旋菌共接种水分失调大豆品种

IF 1.4 4区 农林科学 Q3 AGRICULTURAL ENGINEERING Revista Brasileira de Engenharia Agricola e Ambiental Pub Date : 2020-02-01 DOI:10.1590/1807-1929/agriambi.v24n2p89-94
A. Naoe, J. Peluzio, L. J. M. Campos, L. K. Naoe, Roberta Araújo e Silva
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引用次数: 9

摘要

本研究旨在验证巴西固氮螺旋菌与日本慢生根瘤菌联合接种对两个播期亏水大豆植株的影响。2016年,在巴西帕尔马斯的universsidade Federal de Tocantins校区进行了两项现场实验。试验设计采用4个重复的分块-分块式随机分组设计,分块为2个灌溉深度(作物蒸散量的100和25%等),分块为2种接种方式(接种缓生根瘤菌和巴西氮螺旋菌+缓生根瘤菌),分块为2个大豆品种(TMG 132和安踏82)。不同品种对播期的响应不同。在完全灌溉条件下(100%等),共接种对籽粒产量没有影响。而在水分亏缺条件(25%等)下,TMG 132的籽粒产量提高了77.20%,说明巴西偶氮螺旋菌、植株基因型和播期对互作的响应不同。
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Co-inoculation with Azospirillum brasilense in soybean cultivars subjected to water déficit
This study aimed to verify the effect of co-inoculation, association between Azospirillum brasilense and Bradyrhizobium japonicum bacteria, on soybean plants subjected to water deficit at two sowing dates. Two field experiments were conducted at the Universidade Federal de Tocantins, campus of Palmas, Brazil, in 2016. The experimental design was randomized blocks in a split-split-plot arrangement with four repetitions, where the plots consisted of two irrigation depths (100 and 25% of crop evapotranspiration ETc), the subplots was composed of two methods of inoculant application (inoculation with Bradyrhizobium japonicum and co-inoculation with Azospirillum brasilense + Bradyrhizobium japonicum) and the sub-subplots comprised two soybean cultivars (TMG 132 and ANTA 82). The cultivars responded differently to the sowing dates. Co-inoculation did not influence grain yield under full irrigation conditions (100% ETc), in neither cultivar evaluated. However, under the water deficit condition (25% ETc), the grain yield of the cultivar TMG 132 increased 77.20%, indicating that there are different responses of interaction between Azospirillum brasilense, plant genotype and sowing dates.
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来源期刊
Revista Brasileira de Engenharia Agricola e Ambiental
Revista Brasileira de Engenharia Agricola e Ambiental Agricultural and Biological Sciences-Agronomy and Crop Science
CiteScore
2.70
自引率
16.70%
发文量
114
审稿时长
3-8 weeks
期刊介绍: A Revista Brasileira de Engenharia Agrícola e Ambiental (Agriambi), periódico oficial da Asociación Latinoamericana y del Caribe de Ingeniería Agrícola (ALIA), é editada mensalmente, no formato eletrônico, pela Unidade Acadêmica de Engenharia Agrícola (UAEA) do Centro de Tecnologia e Recursos Naturais (CTRN) da Universidade Federal de Campina Grande (UFCG), destinando-se à divulgação de artigos científicos originais e inéditos, elaborados em Português, Inglês ou Espanhol. Com o auxílio de pareceres de Consultores, os artigos são aceitos ou não pela Equipe Editorial para publicação na Revista. A Agriambi aceita, também, a submissão de contribuições na modalidade de revisão de literatura.
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