https://doi.org/10.2307/2436253 • https://www.jstor.org/stable/2436253 Copy URL 1. The necessary conditions for making tests of pollen-tube growth in 2n and 2n + 1 ...

1. Pollen tube distributions were plotted from 12-, 16-, and 18-hour tests, using the pollen of the primary (2n + 1) Cocklebur germinated and grown on the pistils of 2n plants. These tests were ...

Rapid alkalinization factors (RALFs) are required for pollen tube germination and elongation, an essential process in plant fertilization. But their role in monocot plants remains unexplored.

The pollen tube is a growth from a pollen grain down into the flower style which allows two sperm cells to pass, one to the ovum within the ovule, and the other to the central cell of the ovule. This ...

New insight on how an enzyme ensures the correct growth of pollen tubes in flowering plants has just been published. New insight on how an enzyme ensures the correct growth of pollen tubes in ...

a) Growth of pollen tube towards the ovule. Sperm cells exist at the tip of the tube. Pollen tube contents (PTC) are the liquid part of the pollen tube, shown in yellow. b) Upon pollination to the ...

Sexual reproduction of plants requires pollen to land on the stigma, which then germinates and grows pollen tubes through the style to deliver sperm cells to the ovule. Pollen tubes are the ...

Researchers have shown that the pollen tube of male grain has no issues rising to the occasion. The sexual organ of male grain grows several thousand times its own length in its desire to reach the ...

You might think flowers don't have much choice about who they mate with, given they are rooted to the ground and can't move. Most mammals and humans have a double set of chromosomes—and as a rule, ...

This story was originally published by Yale Environment 360 and is reproduced here as part of the Climate Desk collaboration. Last June, Aaron Flansburg felt the temperature spike and knew what that ...