Some varieties are self-sterile, yet quite capable of cross-fertilisation from the pollen of other varieties.
Thus, a variety is often self-sterile in one locality and not in another.
The variety is self-sterile and must be set near other varieties.
Those which are self-sterile or showing no fruit on covered clusters.
It is obvious, therefore, that it is not possible to give lists of self-sterile and self-fertile varieties.
It is self-sterile and must be planted with some other variety to set fruit well.
It is healthy and a very strong grower; but is self-sterile, which is against it as a market sort.
The grapes ripen unevenly, the flowers are self-sterile, and in some locations the vine is a shy bearer.
In a particular country or at certain seasons one flower will be self-sterile or nearly so, and another just the opposite.
The defects of the variety are susceptibility to mildew, self-sterile flowers and difficulty in propagation.