Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Donna W. Vogler"'
Publikováno v:
American Journal of Botany. 109:333-344
PREMISE OF THE STUDY Widespread associations between selfing rate and floral size within and among taxa suggest that these traits may evolve in concert. Does this association develop immediately, because of shared genetic/developmental control, or st
Autor:
J. Michelle Cawthorn, Denny S. Fernandez, Eleanor J. Sterling, Donna W. Vogler, Adriana Bravo, Ana Luz Porzecanski, Laurie Freeman, Stuart R. Ketcham, Nora Bynum, Timothy W. Leslie, John F. Mull
Publikováno v:
Ecosphere, Vol 7, Iss 4, Pp n/a-n/a (2016)
Professionals with strong quantitative and analytical skills are essential to understanding and responding to current environmental challenges. The goal of this study was to promote and evaluate the development of data analysis (DA) skills in undergr
Publikováno v:
Nature. 430:884-887
The evolution of self-fertilization in hermaphrodites is opposed by costs that decrease the value of self progeny relative to that of outcross progeny. However, self-fertilization is common in plants; 20% are highly selfing and 33% are intermediate b
Autor:
Donna W. Vogler, Susan Kalisz
Publikováno v:
Ecology. 84:2928-2942
Pollinator unpredictability favors evolutionary shifts from outcrossing to autonomous selfing, which provides reproductive assurance. Our goal was to quantify the reproductive assurance benefit of autonomous selfing and the stochastic nature of polli
Autor:
Donna W. Vogler, Andrew G. Stephenson
Publikováno v:
International Journal of Plant Sciences. 162:801-805
A previous study showed that flowers of Campanula rapunculoides (Campanulaceae) are strongly self‐incompatible when the stigma first becomes receptive but are less strongly self‐incompatible as the flowers age. We deposited equivalent loads of se
Publikováno v:
Annals of Botany. 85:211-219
The evolution of breeding systems in plants is often viewed as a balance between the adverse consequences of selfing (inbreeding depression and the loss of opportunities to sire seeds on conspecifics) and the benefits of selfing (a genetic transmissi
Autor:
Matt Finer, Susan Kalisz, Donna W. Vogler, Brook Fails, Rebecca Gonzales, Erica Shepard, Tara Herman
Publikováno v:
American Journal of Botany. 86:1239-1247
Collinsia verna, blue-eyed Mary, has floral attributes of an outcrossing species, yet most flowers readily self-pollinate under greenhouse conditions. Here we describe the mechanism of self-pollination in C. verna via changes in relative positions of
Publikováno v:
American Journal of Botany. 86:482-494
Phenotypic variation in 11 floral and reproductive traits was studied in cloned plants of Campanula rapunculoidesreplicated in three discrete environments. Using an ANOVA approach, we determined the relative influence of genotype (G), environment (E)
Publikováno v:
Heredity. 81:546-555
Plants with self-incompatibly (SI) frequently exhibit variable expression of this trait. The study reported here investigates the breakdown of SI in a perennial bellflower (Campanula rapunculoides) using a standard quantitative genetics approach to e
Publikováno v:
American journal of botany. 90(12)
We examined the effect of inbreeding on fitness (through both male and female functions) and changes in self-fertility in the partially self-incompatible species Campanula rapunculoides . Individuals in natural populations of C. rapunculoides varied