In closed (untripped) flowers of plants of alfalfa populations pollen germinates freely on stigma with intact membrane, and pollen tubes penetrate into ovaries.
(pollen; germinates freely; on stigma with intact membrane; L:In closed (untripped) flowers of plants of alfalfa populations) (pollen tubes; penetrate; into ovaries)
pollen pollen tubes
germinates freely penetrate
on stigma with intact membrane L:In closed (untripped) flowers of plants of alfalfa populations
into ovaries