Results 101 to 110 of about 746 (187)

Annual Variation in Flowering Phenology, Pollination, Mating System, and Pollen Yield in Two Natural Populations of Schima wallichii (DC.) Korth

open access: yesThe Scientific World Journal, 2013
Background. Schima wallichii is a highly valuable tree of tropical forest in north-east Himalaya region that grows naturally in a wide range of altitudes between 750 and 2400 m asl with varying environments.
Vinod Prasad Khanduri   +3 more
doaj   +1 more source

‘Zuni’ Pecan: A Cultivar of Large Nuts for the Central and Western Growing Regions

open access: yesHortScience, 2022
Xinwang Wang   +6 more
doaj   +1 more source

Pollen biological characteristics and breeding system of Primulina guizhongensis

open access: yesXibei zhiwu xuebao
[Objective] This paper aims to investigate the characteristics of Primulina guizhongensis pollen and the influence of the breeding system on its sexual reproduction, to uncover its reproduction mechanism and providing theoretical references for the ...
HUANG Jiajun   +4 more
doaj   +1 more source

Flowering biology and breeding system of Panax notoginseng

open access: yesGuangxi Zhiwu
Panax notoginseng is a precious traditional Chinese medicine, it faces the challenges of low reproduction rate and extinction of wild resources. In order to explore the characteristics of its flowering biology and breeding system, and to clarify the ...
Flowering biology and breeding system of Panax notoginseng
doaj   +1 more source

Pollinator-mediated selection and diversity in flowering plants

open access: yes, 2005
This thesis examines the role pollinators have played in the diversification of flowering plants. The extent to which animal pollinators drive the formation of new angiosperm species remains unresolved.
Sargent, Risa
core   +1 more source

Phenology, pollen synchronization and fruit characteristics of european hazelnut (Corylus avellana L.) cv. tonda de Giffoni in three sites of central Chile

open access: yesRevista de la Facultad de Ciencias Agrarias, 2019
Phenology, pollen synchronization and fruit characteristics were studied during the season 2011-2012 for European hazelnut (Corylus avellana L.) cv.
Eduardo von Bennewitz   +6 more
doaj  

Floral trait variation and links to climate in the mixed-mating annual Clarkia pulchella

open access: yes, 2018
The benefits of self-fertilization can vary across environments, leading to selection for different reproductive strategies and influencing the evolution of floral traits. Although stressful conditions have been suggested to favour self-pollination, the
Devin E. Gamble   +2 more
core   +1 more source

Inadequate Pollination Is a Key Factor Determining Low Fruit-to-Flower Ratios in Avocado

open access: yesHorticulturae
Avocado is an evergreen tree that exhibits protogynous dichogamy and displays a massive flower production, characterized by a high abscission of unfertilized flowers and developing fruitlets, ultimately leading to a low final fruit set. A common practice
María L. Alcaraz, Jose I. Hormaza
doaj   +1 more source

Dichogamy and its Relevance in Fruit Crops: An Overview

open access: yesInternational Journal of Current Microbiology and Applied Sciences, 2020
Prachi Pant   +3 more
openaire   +1 more source

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