Relative contribution of reproductive attributes to the density-dependent effects on fruit-set

Singh, Vineet; Barman, Chandan; Mohanty, Divya; Tandon, Rajesh

doi:10.1093/aobpla/ply019

Cited by 3 publications

(1 citation statement)

References 60 publications

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“…The low fruit set can affect plant species' reproductive success. They are affected by the small population, weather activities, climate, pollination mechanism, the morphology of flowers, abundance, and pollinator behavior (Racsko et al 2007;Cao et al 2015;Singh et al 2018;Graves and Gimondo 2021;Zhang and Gao 2021).…”

Section: Discussionmentioning

confidence: 99%

Flowering and fruiting phenology of Anaxagorea luzonensis A. Gray (Annonaceae)

Lestari¹,

NINGRUM²,

NADA

et al. 2023

Biodiversitas

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Abstract. Lestari DA, Ningrum LW, Nada FMH, Pradipta NN, Harsono DR. 2023. Flowering and fruiting phenology of Anaxagorea luzonensis A. Gray (Annonaceae). Biodiversitas 24: 784-792. Anaxagorea luzonensis is one of the critical plant collections from the Annonaceae family, with only one specimen in Purwodadi Botanic Garden (PBG). In protecting these plants, it is necessary to know the process of flowering and fruiting through the phenological process. This research is expected to observe plant propagation, physiology, environmental response, and increased reproductive success. The aim of this research is to know the details of flowering and fruiting phenology stages, determine reproductive success, and explain the floral biology of A. luzonensis. Research on the flowering and fruiting phenology of A. luzonensis was carried out from December 2021 – November 2022 in one season at PBG. The method is observative, including changes in color, shape, and size of flowers and fruit in each phenological stage. In addition, the method includes the count of reproductive success and observation of the A. luzonensis flower. This study's results stated that the flowering and fruiting phenology of A. luzonensis experienced a shorter flowering time than fruiting time and a low percentage (<30%) of reproductive success. Flowering stages are divided into five stages, i.e. initiation, flower bud, before bloom, bloom, and anthesis; fruiting stages are divided into three stages, i.e. immature-sized, mature-sized, and ripe fruit, which occurred in period 73-121 ± 85 days. Environmental and genetic factors cause the low value of reproductive success. This research can be useful for the conservation strategy of A. luzonensis, especially for reproduction biology and seed conservation.

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Section: Discussionmentioning

confidence: 99%

Flowering and fruiting phenology of Anaxagorea luzonensis A. Gray (Annonaceae)

Lestari¹,

NINGRUM²,

NADA

et al. 2023

Biodiversitas

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Reproductive Ecology of Flowering Plants: An Introduction

Tandon

Koul

Shivanna

2020

Reproductive Ecology of Flowering Plants: Patterns and Processes

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Effects of floral display size, local open raceme density, patch size, and distance between patches on pollinator behaviour in Salvia nipponica

Murakoshi,

Itagaki,

Oguro

et al. 2024

Sci Rep

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Flowers cluster at various spatial scales, so pollinators use information from multiple scales when foraging in natural plant populations. Little is known about the effects of interactions between scales or their relative strength. We examined bumblebee foraging behaviour in a natural population of Salvia nipponica in 10 and 7 patches in 2019 and 2020, respectively. We recorded within-patch factors (display size of racemes and local open raceme densities) and patch-level factors (patch size and distance from the nearest patch) and analysed their relationships with pollinator behaviour. The numbers of visits per raceme and flower were mainly affected by the interaction of patch size and raceme density; they were higher in locations with lower raceme density in larger patches. The ratio of flowers visited to all open flowers in a raceme during a raceme visit, which relates to a bumblebee’s choice to leave a raceme, was mainly affected by the interaction of display size and local open raceme density; in 2019 it was higher in racemes with smaller display sizes, while in 2020 the strength and direction of the relationship depended on the open raceme density. These results suggest that pollinators relied on the sizes of flower clusters at different spatial scales when visiting and leaving racemes and adjusted their responses to the sizes of flower clusters depending on the distances between clusters. Therefore, it is important to evaluate factors at various spatial scales and their interactions to fully understand pollinator behaviour in natural plant populations.

show abstract

Relative contribution of reproductive attributes to the density-dependent effects on fruit-set

Cited by 3 publications

References 60 publications

Flowering and fruiting phenology of Anaxagorea luzonensis A. Gray (Annonaceae)

Flowering and fruiting phenology of Anaxagorea luzonensis A. Gray (Annonaceae)

Reproductive Ecology of Flowering Plants: An Introduction

Effects of floral display size, local open raceme density, patch size, and distance between patches on pollinator behaviour in Salvia nipponica

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