Results 41 to 50 of about 2,221,299 (300)
Floral adaptation and diversification under pollen limitation [PDF]
Philosophical Transactions of the Royal Society B: Biological Sciences, 2010 Pollen limitation (PL) of seed production creates unique conditions for reproductive adaptation by angiosperms, in part because, unlike under ovule or resource limitation, floral interactions with pollen vectors can contribute to variation in female success.
Lawrence D, Harder, Marcelo A, Aizen
openaire +2 more sources
American-Eurasian journal of botany, 2022 PREMISE OF THE STUDY Seed production is frequently limited by the receipt of insufficient or low-quality pollen, collectively termed, pollen limitation (PL).
Anita Cisternas-Fuentes +5 more
semanticscholar +1 more source
Does an ‘oversupply’ of ovules cause pollen limitation? [PDF]
New Phytologist, 2015 Summary Lifetime seed production can be constrained by shortfalls of pollen receipt (‘pollen limitation’). The ovule oversupply hypothesis states that, in response to unpredictable pollen availability, plants evolve to produce more ovules than they expect to be fertilized, and that this results in pollen limitation of seed production.
Jay A, Rosenheim +2 more
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Developing European conservation and mitigation tools for pollination services: approaches of the STEP (Status and Trends of European Pollinators) project [PDF]
, 2011 Pollinating insects form a key component of European biodiversity, and provide a vital ecosystem service to crops and wild plants. There is growing evidence of declines in both wild and domesticated pollinators, and parallel declines in plants relying ...
Alexandra-Maria Klein +35 more
core +13 more sources
Neotropical Biodiversity, 2021 Anemophilous species depend on wind for sexual reproduction. When plants do not receive enough pollen and/or pollen has poor quality, they may experience pollen limitation.
Cecilia L. López +5 more
semanticscholar +1 more source
Pollen and resource limitation in a gynodioecious species [PDF]
American Journal of Botany, 2005 Differences between plant sex morphs in pollen or resource availability may affect their relative fitness and thereby the sex ratio of dimorphic species. In gynodioecious species, in which hermaphroditic and female plants coexist, a variety of factors (e.g., hermaphrodite self‐fertility or rarity or pollinator discrimination against females) might be ...
Eija, Asikainen, Pia, Mutikainen
openaire +2 more sources
Frontiers in Plant Science, 2022 Geitonogamy is inevitable in hermaphrodite and monecious. Even for self-incompatible species, the negative effects of self-pollen are unavoidable when geitonogamous or self-mating occurs.
Chun-Hui Wang +4 more
doaj +1 more source
Imaging plant germline differentiation within Arabidopsis flowers by light sheet microscopy [PDF]
, 2020 In higher plants, germline differentiation occurs during a relatively short period within developing flowers. Understanding of the mechanisms that govern germline differentiation lags behind other plant developmental processes.
Bainar, Petr +8 more
core +1 more source
Reproductive success through high pollinator visitation rates despite self incompatibility in an endangered wallflower [PDF]
, 2016 PREMISE OF THE STUDY: Self incompatibility (SI) in rare plants presents a unique challenge—SI protects plants from inbreeding depression, but requires a sufficient number of mates and xenogamous pollination. Does SI persist in an endangered polyploid? Is
Herman, Julie A. +6 more
core +2 more sources
A general stochastic model for sporophytic self-incompatibility [PDF]
, 2011 Disentangling the processes leading populations to extinction is a major topic in ecology and conservation biology. The difficulty to find a mate in many species is one of these processes.
Billiard, Sylvain, Tran, Viet Chi
core +5 more sources