Results 91 to 100 of about 1,468 (192)

Protandry in two species of Streptanthus (Cruciferae)

, 1963
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Gonadal Development, Social Structure, and Implications of Protandry by Aggressive Dominance in Amphiprion Anemonefish [PDF]

, 2020
Anemonefish of the genus Amphiprion have developed a mating system involving protandrous sequential hermaphroditism, wherein male sexual maturation occurs prior to female sexual maturation within an individual1.
Jorgenson, Ivory
core  

Reproductive Ecology of Male and Female Strobili and Mating System in Two Different Populations of Pinus roxburghii

The Scientific World Journal, 2012
We studied several flowering traits, namely, male-female cone phenology, male-female cone production per tree, mating system, sex ratio, air-borne pollen grains and pollen migration, over four successive years in two different natural populations of P ...
Chandra Mohan Sharma, Vinod Prasad Khanduri, Sunil Kumar Ghildiyal   +2 more
doaj   +1 more source

Functional protandry and seasonal reproductive cycle inSolatopupa similis(Bruguière) (Pulmonata Chondrinidae)

, 1987
The study of the gamete maturation and the seasonal reproductive cycle of Solatopupa has been carried out by the histological analysis of both the ovotestes and the genital ducts of specimens which were periodically sampled from a natural, outcrossing ...
Alberta Boato, RASOTTO, MARIA BERICA
core   +1 more source

Agronomic Behavior of Eighteen Pecan Cultivars in Southern Uruguay

Agrociencia Uruguay
The cultivation of pecan has been expanding in Uruguay for over 10 years. Given the lack of knowledge about its management and behavior under local conditions, the objective was to evaluate the viability and productive potential of different pecan ...
Paula Conde-Innamorato, Juan José Villamil, David Bianchi, Roberto Zoppolo   +3 more
doaj   +1 more source

Sperm competition selects for male mate choice and protandry in the bushcricket, Requena verticalis (Orthoptera: Tettigoniidae)

, 1994
Males of the bushcricket, Requena verticalis, contribute parental investment at mating via a nutrient-rich spermatophore. Because the first male to mate has a high confidence of paternity, subsequent males have their investment cuckolded.
Llorens, T., Schinzig, M., Hosken, D., Simmons, L.W., Craig, M.   +4 more
core  

Protandry and postandry in two related butterflies: conflicting evidence about sex-specific trade-offs between adult size and emergence time

, 2008
International audienceNatural selection acting on timing of metamorphosis can be sex-specific, resulting in differences in timing between males and females. Insects with discrete generations frequently show protandry: males usually mature before females.
Singer, Michael, F., Nève, Gabriel
core   +1 more source

On the evolution of protandry and the distinction between preference and rank order in pollinator visitation

, 2011
Question: How can protandry of hermaphrodite flowers be an adaptive strategy? Does this differ for plant species with vertical (Digitalis purpurea) and non-vertical (Echium vulgare) inflorescences?Mathematical methods: We develop a measure for ...
de Jong, Tom J., Klinkhamer, Peter G. L., Thuijsman, Frank, Shmida, Avi   +3 more
core  

Reproductive biology of Dillenia suffruticosa (Griffth) Martelli with emphasis on protandry.

, 2016
Protandry was investigated in Dillenia suffruticosa (Griffth) Martelli. The species is highly specialized for its herkogamous, nectarless, pollen - only flowers with sternotribic pollination. Flower nature is revolver type. Wind pollination is absent and
K., Aswani, M., Sabu, K. P., Smisha
core   +1 more source

Sexes in sync: phenotypic plasticity, sexual selection and phenological synchrony between the sexes in a wild hibernator. [PDF]

Proc Biol Sci, 2023
Thompson MJ, Dobson FS, Coltman DW, Murie JO, Raveh S, Lane JE.   +5 more
europepmc   +1 more source