certation

certation

[sər′tā·shən]
(botany)
Competition in growth rate between pollen tubes of different genotypes resulting in unequal chances of accomplishing fertilization.
References in periodicals archive ?
If we require that every word is unrelated to every other word, we can form several 9-letter girders: BILLIKENS : BULKINESS CARMANIAN : CERTATION DUSKINESS : DISLIKENS TESTATION : TASMANIAN GUNRUNNER : GUNBURNER HEMATOSIS : HAMITESES OUTBARKED : OUTRANKED MALINESES : MELANOSIS MOSTLINGS : MISPLANTS PIEPLANTS : POETLINGS