Reciprocal crossing was made between the diploid grape varieties (Rizamat and Thompson Seedless) and the tetraploid grape cultivar (Kyoho) in order to obtain the new triploid grape variety of huge and seedless fruit.

• 通过四倍体品种巨峰与二倍体品种里扎马特、无核白进行正反交，以获得大粒无核的三倍体葡萄新品种。