Reproductive phenology of Passiflora cincinnata Mast. in the semi-arid region of Bahia State, Brazil, based on herbarium data and IDW interpolation

Hoehnea Pub Date : 2023-01-01 DOI:10.1590/2236-8906-e162023

Luiz Victor de Almeida Dantas, Vitor Alberto de Matos Pereira, Isiara Silva Menezes, Lia d’Afonsêca Pedreira de Miranda, Ligia Silveira Funch

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Abstract

ABSTRACT We investigated intensity and seasonality of the reproductive phenology of Passiflora cincinnata Mast. and estimated its flowering and fruiting periods by interpolation using Inverse Distance Weighting, for the first time in phenology, based on herbarium collections from Bahia State, Northeastern Brazil. Data from 249 exsiccates with flowers and/or fruits were analyzed to estimate the amplitude of flowering and fruiting and test the seasonality using the circular statistics. Passiflora cincinnata flowering and fruiting was greatest from October to May. The maps generated by interpolation showed greatest probability of flowering and fruiting between March and May in sites with mean annual rainfall rates between 500 and 1000 mm. Our results indicated seasonality of flowering and fruiting, with reduced intensities during the austral winter. The interpolation methodology can be used in a complementary or preliminary way, either to organize field visits and set up experiments, or to extrapolate field results for larger-scale views.

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西番莲的生殖物候。在巴西巴伊亚州半干旱区，基于植物标本馆数据和IDW插值

摘要研究了西番莲(Passiflora辛辛纳塔)生殖物候的强度和季节性。以巴西东北部巴伊亚州的植物标本室资料为基础，首次在物候学上利用逆距离加权插值法估计了其花期和结果期。对249株有花和(或)果的植物进行分析，估计开花和结果的幅度，并利用循环统计检验季节性。西番莲的花期和结果期为10月至5月。通过插值生成的地图显示，在年平均降雨量在500 - 1000毫米之间的地点，3月至5月开花结果的可能性最大。我们的结果表明开花和结果具有季节性，在南方冬季强度降低。插值方法可以作为补充或初步的方式使用，既可以组织实地考察和建立实验，也可以为更大规模的视图推断实地结果。

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Hoehnea

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52 weeks