Sour cherry is a tetraploid species. and gametophytic self-incompatibility (SI) operates in this species in the same way as in other stone fruit trees. However. while self-compatibility is most common in sour cherry and self-compatibility (SC) genotypes are rarely found. https://safeersappliancers.shop/product-category/neff-u2acm7hn0b-n50-built-in-59cm-a-b-electric-double-oven-stainless-steel/