Results 81 to 90 of about 840,256 (209)
Reproductive biology characteristic of Jatropha curcas (Euphorbiaceae)
Revista de Biología Tropical, 2012 Jatropha curcas belongs to family of Euphorbiaceae, and is an important biological tree species for diesel production. The current descriptions of the phenotypic traits for male and female flowers are not comprehensive and there have been no reports ...
Xiu-Rong Wang, Gui-Jie Ding
doaj
Ecology and EvolutionAmong flowering plants, self‐incompatibility is considered the most efficient system for avoiding self‐fertilization. However, many self‐incompatible plants have also evolved floral mechanisms to reduce sexual conflict.
Sheng Zhang +2 more
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BiologyPollinators are needed for the reproduction of Echites umbellatus, and only sphingid moths have mouthparts long enough to reach the nectar at the bottom of the species’ long, twisted floral tube.
Suzanne Koptur +3 more
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Floral characteristics and butterfly wing pollination of Lycoris aurea
Guangxi ZhiwuLycoris aurea is a perennial herbaceous plant with important medicinal and ornamental values in the genus Lycoris Herb, the family Amaryllidaceae. The flower has a spider shape with highly exserted stigmas and anthers, which may represent a unique ...
LIAO Rui, LING Xinyu, WU Yuanhui, ZHU Xingfu*
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Family living: an overlooked but pivotal social system to understand the evolution of cooperative breeding [PDF]
, 2017 Bird breeding systems are more diverse than previously appreciated. Here we show that defining an intermediate breeding system, family breeding, where individuals postpone their dispersal but do not cooperate in reproduction, is a natural extension of ...
Drobniak, Szymon M. +3 more
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Editorial: The Development and Fitness Consequences of Sex Roles
Frontiers in Ecology and Evolution, 2022 Ákos Pogány +4 more
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Sustainable apple breedings needs sustainable marketing and management [PDF]
, 2008 Apple breeding programmes are currently in the middle of transition in terms of ownership and management. Until now most of them were funded by the public.
Weber, M.
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Acceleration of wheat breeding: enhancing efficiency and practical application of the speed breeding system. [PDF]
Plant Methods, 2023 Cha JK +8 more
europepmc +1 more source
ESTIMATING INVESTMENT RIGIDITY WITHIN A THRESHOLD REGRESSION FRAMEWORK: THE CASE OF U.S. HOG PRODUCTION SECTOR [PDF]
As the U.S. hog production sector becomes ever more specialized, the importance of capital inputs has heightened. Given that it is costly to adjust the capital stock and that the associated adjustment cost function may exhibit cost asymmetries between ...
Boetel, Brenda L. +2 more
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