叶面喷硅对彩色棉BRS-Topázio品种的生理调节及纤维产量和品质的影响

IF 1.2 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Ciencia E Agrotecnologia Pub Date : 2021-07-16 DOI:10.1590/1413-7054202145005721
R. L. Ferraz, P. S. Costa, I. D. Magalhães, A. D. S. Medeiros, P. R. A. Viégas, A. S. Melo
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引用次数: 3

摘要

摘要:非生物胁迫降低了棉花产量和质量,然而,外源诱导子可以缓解这一问题。本研究研究了叶硅喷雾对天然彩色棉BRS-Topázio品种的生理调节、生产力的提高以及纤维产量和质量的影响。在完全随机的设计中测试了五个剂量的硅(0、50、100、150和200 mg L-1)。评估的变量包括生理、产量、纤维产量和质量。数据进行主成分分析、多变量和单变量方差分析以及多元线性回归。硅促进生理调节,提高产量,提高棉花纤维产量和质量。最佳硅剂量取决于可变的响应。用硅处理的植物的纤维质量在该品种的预期模式和美国材料与试验学会的国际标准D-4605范围内。因此,建议在巴西半干旱地区种植BRS Topázio品种,以改善天然彩色纤维棉的生产链。
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Physiological adjustments, fiber yield and quality of colored cotton BRS Topázio cultivar under leaf silicon spraying
ABSTRACT Abiotic stresses reduce the yield and quality of cotton production, however, this problem may be mitigated by exogenous elicitors. This study investigated physiological adjustments, improvement in productivity, and fiber yield and quality from naturally colored cotton BRS Topázio cultivar under leaf silicon spraying. Five doses of silicon (0, 50, 100, 150, and 200 mg L-1) were tested in a completely randomized design. The variables assessed were physiological, production, fiber yield and quality. Data were submitted to principal component analysis, multivariate and univariate variance, and multiple linear regression. Silicon promotes physiological adjustments, increased production, cotton fiber yield and quality. Optimum silicon dose varies depending on the variable response. Fiber quality from plants treated with silicon is within the expected pattern for this cultivar and the international standard D-4605 of the American Society for Testing and Materials. Therefore, planting BRS Topázio cultivar under silicon foliar applications may be recommended to improve the naturally colored fiber cotton production chain in the Brazilian semiarid region.
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来源期刊
Ciencia E Agrotecnologia
Ciencia E Agrotecnologia 农林科学-农业综合
CiteScore
2.30
自引率
9.10%
发文量
19
审稿时长
6-12 weeks
期刊介绍: A Ciência e Agrotecnologia, editada a cada 2 meses pela Editora da Universidade Federal de Lavras (UFLA), publica artigos científicos de interesse agropecuário elaborados por membros da comunidade científica nacional e internacional. A revista é distribuída em âmbito nacional e internacional para bibliotecas de Faculdades, Universidades e Instituições de Pesquisa.
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