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<p>This study investigated the reproductive phenology of <i>Leucaena leucocephala</i> (Lam.) de Wit, an invasive alien species, in an urban area of Cuiabá-MT, with the aim of analyzing how climatic variables influence the reproductive phenological cycle of <i>L. leucocephala</i> in urban areas, with the purpose of supporting management and population control strategies. Over a period of 24&#xa0;months, ten individuals were monitored monthly in a tropical region, recording the phases of flower bud, anthesis, and fruiting. Climatic data: temperature, precipitation, photoperiod, and insolation were correlated with phenophases using Spearman’s correlation. The results revealed strong seasonality in flowering, with a peak from April to July in the 2022/2023 and 2023/2024 cycles, and persistent ripe fruiting. The analysis showed that environmental factors, such as higher temperatures, can inhibit flowering, while higher insolation accelerates fruit senescence. Based on these findings, it is recommended that control actions be carried out between December and February, a period of low reproductive activity for the species, to reduce the seed bank and facilitate its control. This study contributes to the development of more effective management strategies for <i>L. leucocephala</i> in predominantly tropical urban areas, minimizing its impacts on biodiversity and local environmental resources.</p>

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Influence of climate on the phenology of Leucaena leucocephala (Lam.) de Wit (Fabaceae) in an urban area with tropical influence: a study for population control decisions

  • 期刊论文

  • 发表日期：

    2025年10月11日

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  • Gabriel Pinheiro da Silva,
  • Wellington Fava Roque-Maranholi,
  • Jaçanan Eloisa de Freitas Milani

摘要

This study investigated the reproductive phenology of Leucaena leucocephala (Lam.) de Wit, an invasive alien species, in an urban area of Cuiabá-MT, with the aim of analyzing how climatic variables influence the reproductive phenological cycle of L. leucocephala in urban areas, with the purpose of supporting management and population control strategies. Over a period of 24 months, ten individuals were monitored monthly in a tropical region, recording the phases of flower bud, anthesis, and fruiting. Climatic data: temperature, precipitation, photoperiod, and insolation were correlated with phenophases using Spearman’s correlation. The results revealed strong seasonality in flowering, with a peak from April to July in the 2022/2023 and 2023/2024 cycles, and persistent ripe fruiting. The analysis showed that environmental factors, such as higher temperatures, can inhibit flowering, while higher insolation accelerates fruit senescence. Based on these findings, it is recommended that control actions be carried out between December and February, a period of low reproductive activity for the species, to reduce the seed bank and facilitate its control. This study contributes to the development of more effective management strategies for L. leucocephala in predominantly tropical urban areas, minimizing its impacts on biodiversity and local environmental resources.