Results 31 to 40 of about 194,752 (254)

Reproductive studies in commercial cocoa tree [PDF]

open access: yesRevista Ceres
Theobroma cacao is a species of economic importance mainly for the food industry. The objective of the present study was to analyze pollen viability, stigma receptivity and controlled pollinations as a function of flower opening time (nine times, from 8 ...
Pabliane Ramos Lawinscky   +6 more
doaj   +2 more sources

Biologia reprodutiva de Acacia mearnsii De Wild.: receptividade de estigmas Reproductive biology of Acacia mearnsii De Wild.: stigma receptivity

open access: yesRevista Árvore, 2008
O objetivo deste trabalho foi analisar a receptividade de estigmas de Acacia mearnsii De Wild. em 20 árvores da Área de Produção de Sementes (APS) da Fazenda Locatelli, da empresa SETA S.A., no município de Butiá (RS) e comparar os períodos de ...
Eudes Maria Stiehl-Alves   +1 more
doaj   +1 more source

Resisting and challenging stigma in Uganda : the role of support groups of people living with HIV [PDF]

open access: yes, 2013
Introduction: Global scale up of antiretroviral therapy is changing the context of HIV-related stigma. However, stigma remains an ongoing concern in many countries. Groups of people living with HIV can contribute to the reduction of stigma.
Skovdal, Morten   +7 more
core   +5 more sources

Morphological characterization and pollen –pistil interaction in selected genotypes of sunnhemp (Crotalaria juncea L.)

open access: yesElectronic Journal of Plant Breeding, 2021
Thirty six morphological characters consisting of sixteen biometrical and twenty qualitative characters were studied in six genotypes of sunnhemp (Crotalaria juncea L.), a fibre cum green manure crop of the tropics.
Ananthu Rajagopal¹, N. Meenakshi ganesan¹̽, P. Anantharaju² and R.Gnanam³
doaj   +1 more source

Rubus glaucus Benth.: morphology and floral biology aimed at plant breeding processes

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2019
Rubus glaucus is widely distributed throughout the three mountain ranges of Colombia, where the blackberry growers have highlighted the need to standardize the supply of planting material, starting with plant breeding schemes that lead to more productive
Ana María López Gutiérrez   +3 more
doaj   +1 more source

Receptivity of Exserted Stigmas

open access: yes, 1988
This article 'Receptivity of Exserted Stigmas' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping ...
Xu, Y. B., Shen, Z. T.
openaire   +1 more source

Pollen viability and stigma receptivity in Swainsona formosa (G.Don) J.Thompson (Fabaceae), an ornamental legume native to Australia

open access: yesOrnamental Horticulture, 2019
Pollen viability and stigma receptivity are prerequisites for successful cross-pollination and seed set in Swainsona formosa. In this study, the pollen viabilities and stigma receptivities was assayed by in vitro pollen germination and simple hand ...
Zulkarnain Zulkarnain   +2 more
doaj   +1 more source

Nocturnal and diurnal pollination in Copaifera coriacea, a dominant species in sand dunes of the Middle São Francisco River Basin, Northeastern Brazil [PDF]

open access: yesPlant Ecology and Evolution, 2021
Background and aims – Copaifera coriacea, a species in the resin-producing clade Detarioideae (Leguminosae), is an endemic and abundant species found in sand dunes in Brazilian Caatinga domain vegetation – a Quaternary paleodesert. We investigated floral
Isys Mascarenhas Souza   +3 more
doaj   +3 more sources

Evaluation of pollen viability, stigma receptivity and fertilization success in Lagerstroemia indica L. [PDF]

open access: yes, 2016
To provide theoretical basis for artificial pollination in Lagerstroemia indica L., pollen viability and stigma receptivity were tested and the morphological change of stigma was observed.
Chen, Fang   +3 more
core   +1 more source

Pollen morphology and availability of pollen and stigma in Syzygium (Myrtaceae) [PDF]

open access: yesRevista Brasileira de Fruticultura
The present study aimed to describe the pollen morphology in three species of Syzygium, to test pollen availability and stigma receptivity. The pollen was analyzed by light and scanning microscopy to show the detailed ornamentation of the pollen grains ...
Guilherme Nacata   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy