Pollination and quality of seeds and plantlets of Eugenia uniflora L.

Fidalgo, Adriana de Oliveira; Cécel, Aline Testoni; Mazzi, Juliana Ferrari de Oliveira; Barbedo, Claudio José

doi:10.1590/2236-8906-05/2018

Cited by 7 publications

(6 citation statements)

References 36 publications

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“…The current study showed no significant difference of seed germination of okra among treatments. Results of our research also supported several previous studies on Eugenia uniflora (Fidalgo et al, 2019). Similarly, the pollination of okra by stingless bees was not significantly different from the control (Sihag, 1986).…”

Section: Pod and Seed Yieldssupporting

confidence: 92%

The Foraging Activity and Pollination Services of Three Stingless Bee Species to Enhance Fruit Quality and Quantity of Okra (Abelmoschus Esculentus L.)

Djakaria¹,

Atmowidi²,

Priawandiputra³

2022

Acta Univ. Agric. Silvic. Mendelianae Brun.

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Insect pollination has been reported to have a better yield quality and quantity than artificial pollination. Wild bees, including stingless bees contribute to effective and efficient pollination on okra (Abelmoschus esculentus L.: Malvaceae). However, previously no report about okra pollination by native Indonesian stingless bees, which can be potential as pollinators. Therefore, this research aims to compare foraging activities of three species of stingless bees (Heterotrigona itama, Tetragonula laeviceps, and T. clypearis) on okra plants and fruits quality and quantity parameters among four pollination treatments (three stingless bee species and without pollinator). Four cages with 50 okra plants were used for pollination treatments. The foraging observation of different stingless bee species on okra was conducted in the cages, and the okra yield from each treatment was compared. Our results showed the foraging activities of three stingless bee species were higher in the morning than those in the afternoon. In the morning, the number of visits of T. clypearis and T. laeviceps were negatively correlated with visit duration. The current study also showed that size and weight of pod, the number of seeds, and the percentage of fruit set of okra were enhanced by pollination of three stingless bee species. Unfortunately, the pollination of stingless bee species did not affect the seed germination and flavonoid content of fruits. The native of Indonesian stingless bees are good pollinators to improve pod quality and quantity.

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Section: Pod and Seed Yieldssupporting

confidence: 92%

The Foraging Activity and Pollination Services of Three Stingless Bee Species to Enhance Fruit Quality and Quantity of Okra (Abelmoschus Esculentus L.)

Djakaria¹,

Atmowidi²,

Priawandiputra³

2022

Acta Univ. Agric. Silvic. Mendelianae Brun.

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“…The germination may be stimulated by micro-climate changes in relation to disturbance, such as sunlight (due to the opening of forest canopy), moisture regimes, temperature, as well as changes in the ecological community such as predators and dispersers (Kallow et al 2020). The germination rate is also affected by genetic factors, pollination rate, population size, pollinators availability and environmental conditions during fruit ripening (Kaiser et al 2016;Fidalgo et al 2019).…”

Section: Seed Germination Of M Acuminata Var Flavamentioning

confidence: 99%

Morphological Characterization and Seed Germination Study of Wild Banana <i>Musa acuminata</i> var. <i>flava</i> (Ridl.) Nasution

Trimanto¹,

Renjana²,

Lestari³

et al. 2022

J.Tropical Biodiversity Biotechnology

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Wild bananas provide important genetic materials for further banana improvement, therefore they need to be conserved and studied. This study aimed to describe morphological characteristics of plant and seed and also to study the seed germination of wild banana M. acuminata var. flava (Ridl.) Nasution. The morphological characteristics were observed descriptively by referring to the descriptor for banana. The internal and external morphology of the seeds were observed using a digital microscope. The germination testing was carried out by a completely randomized design, using fresh seeds extracted from a bunch of fruits with two ripeness levels i.e. fully-ripe (yellow peel) and under-ripe (green-yellow peel). The data resulted was then analyzed using an independent t-test. The results showed that M. acuminata var. flava is characterized as a perennial herb; pseudostem height ≥3 m; male bud like a top with prominent green-yellow bracts; fruit curved and tasted mild-sweet when ripe. The seed is angular with wrinkled surface, and dark brown-black color when ripe. The longitudinal section showed parts of the seeds comprising the seed coat, outer and inner integument, embryo, endosperm, chalazal mass, micropyle cap and channel. The seeds are classified as orthodox, with hypogeal type and gradual germination pattern. The seeds extracted from fully-ripe fruit germinated faster with higher germination percentage and growth variables (root number and plant height). Thus, it is suggested to use physiologically mature seeds (seeds from fully-ripe fruits) which should be separated from the seeds of under-ripe fruits to lower the heterogeneity.

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“…For instance, evolutionary processes and historical events act as filters on global scales, while the selection of habitats and the dispersion capacity of species act on regional scales to determine community composition [2]. On a local scale, abiotic factors (such as precipitation, temperature, humidity, evapotranspiration, soil characteristics, and light availability) and biotic factors (biological interactions) are the main filters [2][3][4]. Regarding these biotic factors, pollination is an important mutualistic interaction, since many plant species rely on pollinators to produce fruits and seeds to establish and maintain viable populations in the environment [3,[5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Flowering Time Variation in Two Sympatric Tree Species Contributes to Avoid Competition for Pollinator Services

Alves-de-Lima,

Calixto,

Oliveira

et al. 2023

Plants

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Competition is an important biological filter that can define crucial features of species’ natural history, like survival and reproduction success. We evaluated in the Brazilian tropical savanna whether two sympatric and congenereric species, Qualea multiflora Mart. and Q. parviflora Mart. (Vochysiaceae), compete for pollinator services, testing whether there is a better competitor or whether plants present any anti-competitive mechanism. Additionally, we investigated the breeding system, pollinators, and flowering phenology of both species. The results showed that Q. multiflora and Q. parviflora are dependent on pollinators for fruit formation, as they exhibited a self-incompatible and non-agamospermic breeding system. These plants shared the same guild of pollinators, which was formed by bees and hummingbirds, and an overlap in the flower visitation time was observed. Each plant species had different pollinator attraction strategies: Q. multiflora invested in floral resource quality, while Q. parviflora invested in resource quantity. The blooming time showed a temporal flowering partition, with highly sequential flowering and no overlap. Qualea parviflora bloomed intensely from September to October, while Q. multiflora bloomed from November to January, with the flowering peak occurring in December. The two Qualea species have morphologically similar flowers, are sympatric, and share the same pollinator community, with overlapping foraging activity during the day. However, they do not compete for pollinator services as they exhibit an anti-competitive mechanism mediated by temporal flowering partition.

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Pollination and quality of seeds and plantlets of Eugenia uniflora L.

Cited by 7 publications

References 36 publications

The Foraging Activity and Pollination Services of Three Stingless Bee Species to Enhance Fruit Quality and Quantity of Okra (Abelmoschus Esculentus L.)

The Foraging Activity and Pollination Services of Three Stingless Bee Species to Enhance Fruit Quality and Quantity of Okra (Abelmoschus Esculentus L.)

Morphological Characterization and Seed Germination Study of Wild Banana <i>Musa acuminata</i> var. <i>flava</i> (Ridl.) Nasution

Flowering Time Variation in Two Sympatric Tree Species Contributes to Avoid Competition for Pollinator Services

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