J. P. K. Reznick, V. Pauletti, D. M. D. Nascimento, M. Cremonesi
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引用次数: 0
摘要
本研究的目的是评价接种巴西氮螺旋菌与氮肥联合施用对玉米基因型发育的影响。试验设计采用全随机因子设计(5x2x2)， 3个重复。以5个玉米杂交种为试验材料，分别施用2种氮肥(无氮和100 kg hm -1 N)和2种接种水平(不接种和接种)的巴西孢子虫。测定了V8和R1场地的植株高度和茎粗，R1场地的叶片叶绿素含量和R2场地的干质量。结果表明，当评价参数发生变化时，这主要是由于遗传物质的不同，主要是由于接种巴西孢子虫不能有效改变玉米的发育。
DEVELOPMENT OF CORN HYBRIDS (Zea mays) UNDER INOCULATION OF DIAZOTROPHIC BACTERIA AND NITROGEN FERTILIZATION
The aim of this work was to evaluate the development of corn genotypes under the effect of inoculation with Azospirillum brasilense in association with nitrogen fertilization. The experimental design was completely randomized in a factorial design (5x2x2) with three replications. Five corn hybrids were used, combined with two doses of nitrogen (N) (without N and with 100 kg ha-1 N) and with two inoculation levels of A.brasilense (without and with inoculation). Plant stature and stem diameter at stadiums V8 and R1, leaf chlorophyll content at stadium R1 and dry mass at stadium R2 were evaluated. It was observed that when there was variation in the evaluated parameters, this was due to the different genetic materials and mainly due to the application of N. Inoculation with A.brasilense was not effective in altering the corn development.
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