氨基酸溶液对观赏植物凤仙花根限制胁迫下生长的影响

IF 1.1 Q3 HORTICULTURE
Guido Hakim, Esteban Gandolfo, Máximo Salinas, E. Giardina, A. Benedetto
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引用次数: 0

摘要

摘要大约20年前,氨基酸溶液作为生物肥料被引入食品和观赏植物行业。单独或联合使用含有氨基酸的喷雾已被证明对促进植物生长有效。然而,许多新的商业解决方案,包括氨基酸作为生物肥料,都没有关于床上用品的公开数据。因此,本研究的目的是确定垫盆植物凤仙花鲜重积累的变化以及不同氨基酸溶液对植物的生理机制,并表征在无限制氮供应的苗圃下对根系限制的反应。实验在阿根廷布宜诺斯艾利斯大学农学学院的温室内进行。为了达到目的,将凤仙花“Xtreme White”种子在50个细胞(55.7 cm3 cell-1)和288个细胞(6.18 cm3 cell-1。当第一对真叶发育时,喷洒11种溶液(100 mg L-1),其中含有等量的下列氨基酸:丙氨酸、半胱氨酸、天冬氨酸、谷氨酸、甘氨酸、亮氨酸、赖氨酸、甲硫氨酸、苏氨酸、色氨酸和缬氨酸,一种不含氨基酸的对照,以及一种含有所有氨基酸的溶液(混合物)(每种氨基酸9.1 mg L-1。我们的结果表明,测试的不同合成氨基酸,单独或组合,对凤仙花植物的叶面积和鲜干重具有相加和拮抗作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Amino acid solutions on the growth of the ornamental plant Impatiens walleriana grown under root restriction stress
Abstract The use of amino acid solutions as bio-fertilizers was introduced in the food and ornamental plant industry about two decades ago. Sprays containing amino acids either alone or combined have been proven effective to increase plant growth. However, many of the new commercial solutions including amino acids as bio-fertilizers have no published data available on bedding plants. Thus, the aims of this study were to determine the changes in fresh weight accumulation in the bedding pot plant Impatiens walleriana and the physiological mechanism involved in plants sprayed with different amino acid solutions and to characterize the responses to root restrictions under nursery with non-limited nitrogen supply. The experiment was carried out inside a greenhouse in the campus of the Faculty of Agronomy of the University of Buenos Aires, Argentina. To reach the objectives, Impatiens walleriana ‘Xtreme White’ seeds were grown in 50-cell (55.7 cm3 cell-1) and 288-cell (6.18 cm3 cell-1) plug trays and then transplanted and grown at 3-L pots. Eleven solutions (100 mg L-1) containing an equal amount of each of the following amino acids: alanine, cysteine, aspartic acid, glutamic acid, glycine, leucine, lysine, methionine, threonine, tryptophan and valine, a control without amino acids, and a solution containing all amino acids (Mix) (9.1 mg L-1 of each amino acid) were sprayed when the first true leaf pair was developed. Our results showed that the different synthetic amino acids tested, alone or combined, had additive and antagonistic effects on the leaf area and fresh-dry weight in Impatiens walleriana plants.
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来源期刊
Ornamental Horticulture
Ornamental Horticulture Agricultural and Biological Sciences-Horticulture
CiteScore
2.20
自引率
14.30%
发文量
30
审稿时长
50 weeks
期刊介绍: The Journal ORNAMENTAL HORTICULTURE - OH (Revista Brasileira de Horticultura Ornamental) is an official publication of the Brazilian Society for Floriculture and Ornamental Plants (Sociedade Brasileira de Floricultura e Plantas Ornamentais) - SBFPO Short title of the journal: ORNAM. HORTIC. This Journal aim to publish technical and scientific researches in floriculture, ornamental plants, landscaping and landscapes from members of this Society and others. The manuscripts can be submitted in portuguese, but publication must be in English language (U.S.). All the manuscripts submitted to Ornamental Horticulture (Revista Brasileira de Horticultura Ornamental) - OH must not have been submitted or published at the same time, partial or totally, to other journal. It is allowed to read, download, copy, distribute, print, search, or link to parts or the full texts to use them for any other lawful purpose. The reproduction of articles published in this journal is authorized, under the condition that the source is acknowledged.
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