基质和施肥对梅兹奎特河谷地方品种麻瓜植物生长和光合效率的影响

IF 0.5 4区农林科学 Q4 AGRICULTURE, MULTIDISCIPLINARY

Agrociencia Pub Date : 2022-07-07 DOI:10.47163/agrociencia.v56i4.2576

Jesus A. Jimenez-Torres, J. Juárez-Muñoz, J. Capulín-Grande

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引用次数: 0

摘要

龙舌兰(龙舌兰属)苗木栽培是一种新兴的替代品，能够满足其多种产品的需求。本研究旨在评价在4种基质和4种不同浓度营养液的交互作用下，3个地方品种马圭(maguey pulquero)种子萌发苗木(10月龄)在温室中生长的光系统II (Fv/Fm)的最大量子产量。假设在温室条件下生长的年轻地方马圭的表型变异有助于确定适合商业生产的基因型，并阐明其对养分和底物的需求。评价变量为:Fv/Fm、叶数、最大叶长和宽度(cm)、植物干生物量(g)，结果采用双向方差分析和Tukey检验的均值比较进行分析。结果表明，长白龙舌兰(Agave mapisaga Trel.)在所有生长变量评价中均高于Manso和Xamini长白(均为A. salmiana Otto ex Salm-Dyck)。无论营养液浓度如何，大叶雀在基质农业土壤和火山渣混合物(SVM)和单独基质农业土壤(S)中表现出相似的生长，而在S基质中添加的最大营养浓度(S+L4处理)与在不添加营养物质(SVM+L1处理)的支持向量机基质上的效果相比，两者的总生物量都有所减少。在不添加营养物质的商业基质混合物(CSM)和单独的火山渣(VS)中(CSM+L1和VS+L1)，所有地方品种的生长都受到抑制，而在这些基质中，所有地方品种的生长都相对于营养物质浓度的增加。在VS+L1处理下，所有地方品种均出现光抑制。观察到的龙舌兰地方品种的生长变化有助于确定适合商业化生产的潜在基因型，并为龙舌兰种植设定适当的基质和营养需求。

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EFFECT OF SUBSTRATES AND FERTIGATION ON GROWTH AND PHOTOSYNTHETIC EFFICIENCY OF MAGUEY PULQUERO PLANTS OF MEZQUITAL VALLEY LANDRACES

Maguey pulquero (Agave spp.) seedling cultivation is an emerging alternative capable of supply the demand of its diverse products. This research aimed to evaluate the growth and maximum quantum yield of Photosystem II (Fv/Fm) of three landraces of maguey pulquero young plants (10 months-old) germinated from seeds, growing under greenhouse within interaction effect of four substrates and four concentration levels of nutrient solution. The hypothesis was that phenotypic variation of young maguey pulquero landraces growing under greenhouse conditions could help to identify genotypes ideal for commercial production and to elucidate its nutrient and substrate requirements. The variables evaluated were: Fv/Fm, number of leaves, length and width (cm) of biggest leaf, and plant dry biomass (g), the results were analyzed by a two-way ANOVA and means comparison by Tukey’s test. The results demonstrated that Penca larga landrace (Agave mapisaga Trel.) had the highest values in all the growth variables evaluated compared to Manso and Xamini landraces (both A. salmiana Otto ex Salm-Dyck). Penca larga exhibited similar growth in the substrate agricultural soil and volcanic scoria mixture (SVM), and substrate agricultural soil alone (S) regardless of the nutrient solution concentration used, while both A. salmiana landraces exhibited total biomass reduction in the maximum nutrient concentration added in the S substrate (S+L4 treatment) compared to their respective effect on SVM substrate without nutrient addition (SVM+L1 treatment). All landraces exhibited growth inhibition in the commercial substrate mixture (CSM) and volcanic scoria alone (VS) without nutrient addition (CSM+L1 and VS+L1), while growth increase of all landraces in those substrates was relative to the increasing nutrient concentration. Photoinhibition was observed in all landraces in the treatment VS+L1. The growth variations observed across the landraces were helpful to identify potential genotypes ideal for commercial production and to set adequate substrates and nutrient requirements for agave cultivation,

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来源期刊

Agrociencia 农林科学-农业综合

CiteScore

0.50

自引率

33.30%

发文量

审稿时长

18-36 weeks

期刊介绍： AGROCIENCIA is a scientific journal created and sponsored by the Colegio de Postgraduados. Its main objective is the publication and diffusion of agricultural, animal and forestry sciences research results from mexican and foreign scientists. All contributions are peer reviewed. Starting in the year 2000, AGROCIENCIA became a bimonthly and fully bilingual journal (Spanish and English versions in the same issue). Since 2007 appears every month and a half (eight issues per year). In addition to the printed issues, the full content is available in electronic format.