title: Influence of environmental quality on pollen competitive ability in wild radish.
abstract: Pollen of Raphanus raphanistrum produced under low nutrient conditions sired fewer seeds than pollen produced under better conditions when the two types were applied on a stigma together. No difference was seen in single-donor crosses. Male mating success can be strongly influenced by the environmental conditions of pollen-bearing plants, a factor overlooked in studies of plant reproductive biology and in standard quantitative genetic crossing designs, where effects of male parent are equated with heritable genetic variation.
authors.forename: H J
authors.initials: HJ
authors.lastname: Young
authors.forename: M L
authors.initials: ML
authors.lastname: Stanton