Results 171 to 180 of about 1,088,744 (389)

Pollen Tube and Spermatogenesis in Iris

Botanical Gazette, 1917
1. The style of Iris versicolor is traversed by a longitudinal groove through which the pollen tube grows. 2. It is possible to remove pollen tubes from style and stigma and to grow pollen tubes in nutrient solutions. 3. Measurements indicate that there is an accelerated rate of growth of pollen tubes. 4.
openaire   +3 more sources

Phylogeny and new sectional classification for the Cape Clade of the genus Indigofera (Fabaceae: Indigofereae)

TAXON, EarlyView.
Abstract The genus Indigofera in the Greater Cape Floristic Region (GCFR) comprises a diverse assortment of species. Almost 90% of the region's Indigofera species belong to the Cape Clade, while the remaining species are scattered among the other three globally distributed Indigofera clades.
Brian du Preez, Brian D. Schrire, Léanne L. Dreyer, Charles H. Stirton, Samson B.M. Chimphango, A. Muthama Muasya   +5 more
wiley   +1 more source

Pollination in a fire‐prone world: Reduced solar radiation and warming alter plant–pollinator interactions

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Climate change can disrupt ecosystem services such as pollination. Warming increases the frequency and scale of wildfires, leading to smoke‐induced reductions in incident solar radiation, which together may affect plants, pollinators and their interactions. To determine
Elena Kaminskaia, Clara Stuligross, Nicole E. Rafferty   +2 more
wiley   +1 more source

GENES FROM RADIUM TREATMENT AFFECTING POLLEN-TUBE GROWTH IN DATURA [PDF]

, 1936
J T Buchholz, A. F. Blakeslee
openalex   +1 more source

A pan‐European citizen science study shows population size, climate and land use are related to biased morph ratios in the heterostylous plant Primula veris

Journal of Ecology, EarlyView.
A large‐scale citizen science study involving thousands of cowslip (Primula veris) observations from all over Europe revealed an unexpected prevalence of S‐morphs over L‐morphs, which was influenced by climatic as well as land use factors. Furthermore, general morph ratios were often unbalanced with the strongest shifts occurring in smaller populations.
Tsipe Aavik, Triin Reitalu, Marianne Kivastik, Iris Reinula, Sabrina Träger, Evelyn Uuemaa, Marta Barberis, Arjen Biere, Sílvia Castro, Sara A. O. Cousins, Anikó Csecserits, Eleftherios Dariotis, Živa Fišer, Grzegorz Grzejszczak, Cuong Nguyen Huu, Kertu Hool, Hans Jacquemyn, Margaux Julien, Marcin Klisz, Alexander Kmoch, Nikos Krigas, Attila Lengyel, Michael Lenhard, Desalew M. Moges, Zuzana Münzbergová, Ülo Niinemets, Baudewijn Odé, Hana Pánková, Meelis Pärtel, Ricarda Pätsch, Theodora Petanidou, Jan Plue, Radosław Puchałka, Froukje Rienks, Ioulietta Samartza, Julie K. Sheard, Bojana Stojanova, Joachim P. Töpper, Georgios Tsoktouridis, Spas Uzunov, Martin Zobel   +40 more
wiley   +1 more source

Pollination patterns in safflower (Carthamus tinctorius L.) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Plant Science at Massey University [PDF]

, 1981
The influence of environmental conditions on safflower (Carthamus tinctorius L.) floret characters and insects were studied in relation to pollination in this species.
Woods, Peter William
core  

Differences in within‐plant oviposition preferences and immature survival between Orius predators and the importance of spatial availability of prey

Insect Science, EarlyView.
Orius predators oviposit endophytically, and plant characteristics play an important role in their oviposition choices. In this study, we show that oviposition preferences differ between species, and that these differences may correlate with juvenile performance.
Angelos Mouratidis, Christiaan Bootsma, Marcel Dicke, Gerben J. Messelink   +3 more
wiley   +1 more source

Microinjection‐enabled gene silencing in first instar larvae of western flower thrips, Frankliniella occidentalis, reveals vital genes for larval survival

Insect Science, EarlyView.
This study introduces a microinjection technique to deliver dsRNA into the hemolymph of first instar larval thrips (L1s) via the foreleg coxa, enhancing survival rates by minimizing internal tissue damage. Significant knockdown of V‐ATPase‐B, CYP3653A2, and ApoLp‐II/I was achieved, with silencing of CYP3653A2 or ApoLp‐II/I increasing larval mortality ...
Jinlong Han, Dorith Rotenberg
wiley   +1 more source

POLLEN TUBE GROWTH AND SEED SET IN SELF‐INCOMPATIBLE AND SELF‐COMPATIBLE LEAVENWORTHIA (CRUCIFERAE) POPULATIONS [PDF]

, 1968
David G. Lloyd
openalex   +1 more source

Racing Pollen Tubes [PDF]

The Plant Cell, 1992
openaire   +3 more sources