self-sterility

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self-sterility

the inability of some HERMAPHRODITES to reproduce sexually, that is, to form a viable offspring by self-fertilization.
References in periodicals archive ?
Some plants will not set seed when they are self-pollinated, and they are said to be self-sterile.
This is of value in hybridising, and it is of vital importance to our ability to propagate self-sterile individual species plants from seed.
Asian pear varieties are self-sterile and must be planted in tandem in order to produce a crop.
Most varieties are self-sterile and must be cross-pollinated by bees to produce a crop of fruit.
EL0204 is a multigerm self-sterile germplasm with predominantly red hypocotyls (>95% red) and an average heterozygosity of 45.
I learned that the red-skinned pitahaya is self-sterile, which means that its red-fleshed cultivars must be cross-pollinated with its white-fleshed cultivars in order to bear fruit.