By a News Reporter-Staff News Editor at Life Science Weekly -- Current study results on Life Science Research - Botany have been published. According to news reporting from Durham, North Carolina, by NewsRx journalists, research stated, “Angiosperms have evolved multiple breeding systems that allow reproductive success under varied conditions. Striking among these are cleistogamous breeding systems, where individuals can produce alternative flower types specialized for distinct mating strategies.”
Financial support for this research came from National Science Foundation.
The news correspondents obtained a quote from the research from Duke University, “Cleistogamy is thought to be environmentally-dependent, but little is known about environmental triggers. If production of alternate flowers is environmentally induced, populations may evolve locally adapted responses. Mimulus douglasii, exhibits a cleistogamous breeding system, and ranges across temperature and day-length gradients, providing an ideal system to investigate environmental parameters that control cleistogamy. We compared flowering responses across Mimulus douglasii population accessions that produce distinct outcrossing and self-pollinating flower morphs. Under controlled conditions, we determined time to flower, and number and type of flowers produced under different temperatures and day lengths. Temperature and day length both affect onset of flowering. Long days shift flower type from predominantly chasmogamous to cleistogamous. The strength of the response to day length varies across accessions whether temperature varies or is held constant. Cleistogamy is an environmentally sensitive polyphenism in Mimulus douglasii, allowing transition from one mating strategy to another. Longer days induce flowering and production of cleistogamous flowers. Shorter days induce chasmogamous flowers.”
According to the news reporters, the research concluded: “Population origin has a small effect on response to environmental cues.”
For more information on this research see: Plastic breeding system response to day length in the California wildflower Mimulus douglasii. American Journal of Botany , 2018;():.
Our news journalists report that additional information may be obtained by contacting L.L. Barnett, Dept. of Biology, Duke University, Box 90338, Durham, North Carolina, 27708, United States. Additional authors for this research include A. Troth and J.H Willis.
The direct object identifier (DOI) for that additional information is: https://doi.org/10.1002/ajb2.1063. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.
Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2018, NewsRx LLC
CITATION: (2018-05-08), Researchers at Duke University Release New Data on Botany (Plastic breeding system response to day length in the California wildflower Mimulus douglasii), Life Science Weekly, 3983, ISSN: 1552-2474, BUTTER® ID: 015616121
From the newsletter Life Science Weekly.
https://www.newsrx.com/Butter/#!Search:a=15616121
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