Ancient seed plant fossils reveal pollen-capture secret
How did Earth's earliest seed plants capture pollen to reproduce? A team of scientists has uncovered new clues by ...
Nos allergies au pollen sont-elles liées au sexe des arbres
Une théorie abondamment diffusée en ligne accuse les arbres mâles d’être responsables des allergies au pollen. L’occasion de ...
Techno-Science.net6d
Ginkgo biloba - Définition
En effet, après avoir produit ses ovules, le Ginkgo femelle reçoit du pollen que le ginkgo mâle produit en énorme quantité. Arrivé sur l'ovule, le grain de pollen germe et forme un tube pollinique ...
IPM4d
Cherry Scion & Rooststock Selection
1989). Local climate and temperature determine the effective pollination period (the time in which the stigma is receptive to pollination, pollen tubes can grow in the style, and the ovule remains ...
11Alive3d
Atlanta pollen count reaches new high, tops 3,000 for first time in 2025
ATLANTA — After a warm, breezy Sunday, the pollen count in Atlanta was measured at 3,028 grains per cubic meter, the highest so far this year. Pine, Oak, Birch, Hackberry, and Sweet Gum were the ...
Spring pollen continues to be on the rise
In South Carolina, Greenville ranked 3rd as the most challenging place to live with seasonal allergies. Columbia ranked 15th.