18 年间可可克隆生产的时间行为

IF 6.4 1区 农林科学 Q1 AGRONOMY
Dominique Dessauw, Wilbert Phillips-Mora, Allan Mata-Quirós, Philippe Bastide, Vincent Johnson, José Castillo-Fernández, Fabienne Ribeyre, Christian Cilas
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引用次数: 0

摘要

本研究旨在通过分析豆荚产量随时间变化的动态,评估可可克隆产量的稳定性。该研究调查了多年生产水平的相关性,并探讨了遗传如何影响豆荚总量和健康豆荚的年内和年际时间生产动态。为了解决这些问题,我们分析了在哥斯达黎加进行的为期 18 年的克隆可可试验数据。通过纵向数据分析,可以更清楚地了解连续几年产量之间的联系。事实证明,最适合的模型是前依赖模型。该模型表明,连续两年之间的相关性相对稳定,随着年份间隔的增加,年份之间的相关性降低。这些相关性也随着树龄的增加而提高。克隆在健康豆荚产量方面的差异大于豆荚总产量。考虑到年内产量和年际产量,确定了四种动态模式,揭示了每类产量在时间上的差异和明显的峰值。年际变异性分析表明,不同等级的健康豆荚产量存在差异,有些等级在 18 年内的产量动态更具可持续性。年内变异分析表明,克隆之间的生产期差异显著,全年不同的产量分布允许选择逃逸克隆或抗性克隆。这项研究强调了遗传学在可持续可可生产中的重要性,并对克隆选择产生了潜在影响。研究建议将不同等级的克隆结合起来,以降低风险并扩大收成,同时强调抗逆性是可可育种计划的一个重要标准,以有效应对新的挑战。建议进一步开展研究,探索各种环境因素的影响,促进多年生作物更有效的选育,以选育出更具抗逆性的克隆品种,这在气候变化的背景下尤为重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Temporal behaviour of cacao clone production over 18 years

Temporal behaviour of cacao clone production over 18 years

This study aimed to evaluate the stability of cacao clone production by analyzing the dynamics of pod production over time. It investigates correlations in multi-year production levels and explores how genetics influence both intra-annual and inter-annual temporal production dynamics of total and healthy pods. To address these questions, data were analysed from a clonal cacao trial conducted over a period of 18 years in Costa Rica. Longitudinal data analysis provided a clearer understanding of the link between yields over successive years. The best-fit model proved to be the ante-dependence model. This model indicated that the correlation between two successive years was relatively stable, and the correlation between years decreased as the interval between years increased. These correlations are also higher as the age of the trees increases. The clones differ more in terms of their production of healthy pods than total pod production. Four dynamic patterns, considering both intra- and inter-annual production, were identified, revealing differences in production timing and distinct peaks for each class. Inter-annual variability analysis revealed differences in healthy pod production among classes, with some displaying more sustainable production dynamics over 18 years. Intra-annual variability analysis showed significant variation in production periods among clones, with different production distributions throughout the year allowing selection of escape and or resistant clones. The study emphasized the importance of genetics in sustainable cacao production, with potential implications for clonal selection. It was suggested to combine clones of different classes to mitigate risks and spread harvests, emphasizing that resilience is a crucial criterion in cacao breeding programs to effectively meet new challenges. Further research is recommended to explore the influence of various environmental factors and facilitate more efficient selection in perennial crops, with the aim of selecting more resilient clones, a particularly important objective in the context of climate change.

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来源期刊
Agronomy for Sustainable Development
Agronomy for Sustainable Development 农林科学-农艺学
CiteScore
10.70
自引率
8.20%
发文量
108
审稿时长
3 months
期刊介绍: Agronomy for Sustainable Development (ASD) is a peer-reviewed scientific journal of international scope, dedicated to publishing original research articles, review articles, and meta-analyses aimed at improving sustainability in agricultural and food systems. The journal serves as a bridge between agronomy, cropping, and farming system research and various other disciplines including ecology, genetics, economics, and social sciences. ASD encourages studies in agroecology, participatory research, and interdisciplinary approaches, with a focus on systems thinking applied at different scales from field to global levels. Research articles published in ASD should present significant scientific advancements compared to existing knowledge, within an international context. Review articles should critically evaluate emerging topics, and opinion papers may also be submitted as reviews. Meta-analysis articles should provide clear contributions to resolving widely debated scientific questions.
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