Results 21 to 30 of about 430 (154)

Pulasan [(Nephelium ramboutan-ake (Labill.) Leenh.] fruit trees: variations in flower morphology, and associated differences in pollination type

open access: yesInternational Journal of Plant Biology, 2016
Pulasan (Nephelium ramboutan-ake) is a species of Sapindaceae which has hermaphrodite and staminate flowers on different trees. Morphological flower structures and pollination types of the pulasan fruit tree have not previously been reported thoroughly ...
Nina Ratna Djuita   +3 more
doaj   +1 more source

Investigation of the Breeding Mechanism of African Yam Bean [Fabaceae] (Sphenostylis stenocarpa Hochst. Ex. A. Rich) Harms

open access: yesNotulae Scientia Biologicae, 2018
The many reported inherent nutritional potential in African yam bean (Sphenostylis stenocarpa (Hochst. Ex. A. Rich.) Harms) seem to provide platform for the need of its genetic improvement.
Daniel Babasola ADEWALE   +1 more
doaj   +1 more source

Extent of cross-fertilization in Orobanche cumana Wallr.

open access: yesBiologia Plantarum, 2013
Sunflower broomrape (Orobanche cumana Wallr.) is considered a self-fertilizing species, but there is no indication as to whether it is strictly self-fertilized or that it presents some extent of cross-fertilization.
M. I. Rodríguez-Ojeda   +3 more
doaj   +1 more source

Pollination Ecology of Sabatia Campenstris Nutt. (Gentianaceae)

open access: yesOklahoma Native Plant Record, 2016
Flower timing studies in June and July (1972) on populations of Sabatia campestris Nutt. show this plant to be allogamous (out crossing) under natural field conditions.
Constance E. Taylor
doaj   +1 more source

Analysis of the reproduction mode in Psidium spp. using the pollen:ovule ratio

open access: yesActa Scientiarum. Agronomy, 2020
This research aimed to explore the reproductive characteristics of three species of Psidium (P. guajava L., P. cattleyanum Sabine, and P. guineense Sw.) and estimate a probable reproduction strategy based on the pollen:ovule (P:O) methodology.
Maria Lorraine Fonseca Oliveira   +3 more
doaj   +1 more source

Evaluation of reproduction biology of Prunus cerasoides

open access: yesNotulae Scientia Biologicae, 2023
Prunus cerasoides have a high value in phytochemistry and pharmacology. It was classified as the Least Concern globally based on the IUCN red list due to its widespread distribution in eastern Asia.
Suluh NORMASIWI   +3 more
doaj   +1 more source

Reproductive biology of Faidherbia albida (Del.) A. Chev

open access: yesSilva Fennica, 2003
Phenology, flowering and fructification were studied in 5 natural populations of Faidherbia albida in a semi-arid zone in Senegal. In this species, the inflorescence acts as the reproductive unit; the basal flowers, opening first, have a low rate of ...
Gassama-Dia, Yaye   +2 more
doaj   +1 more source

Studies of the floral biology and reproductive system of Brassica napus L.(Cruciferae)

open access: yesBrazilian Archives of Biology and Technology, 2000
Studies of the floral biology of canola were accomplished with the objective of enlarging the system and reproductive strategies knowledge of its CTC-4 cultivar in Dourados, Centerwest, Brazil.
Rosilda Mara Mussury   +1 more
doaj   +1 more source

Do honey bees affect pollination in the flowers of Ochlandra travancorica, an endemic bamboo of the Western Ghats?

open access: yesJournal of Asia-Pacific Biodiversity
Ochlandra travancorica (Bedd.) Benth. ex Gamble is an economically crucial endemic reed of the Western Ghats, India. Mass populations of this reed directly affect global warming reduction through CO2 fixation in the ecosystem.
Palanivel Venkatesh, Raju Ramasubbu
doaj   +1 more source

Pollen-ovule relation in Adesmia tristis and reflections on the seed–ovule ratio by interaction with pollinators in two vertical strata

open access: yesAnais da Academia Brasileira de Ciências, 2014
The vertical distribution of pollinators is an important component in the foraging pattern of plants strata, and it influences the reproductive system (pollen/ovule ratio) and seed/ovule ratio.
NADILSON R. FERREIRA   +2 more
doaj   +1 more source

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