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作者利用有无籽倾向的大粒优质佐餐品种葡萄园皇后、白恰吾什、粉红恰吾什、玫瑰香、意大利、卡拉斯、尼姆兰格和黑珂尔娜为母本,以无籽品种无核白、粉红无核、无核黑、无核瓦特康、阿斯克里等为父本,进行杂交。在后代中获得了少量具有无籽浆果的实生苗。组合粉红恰吾什×无核黑最有成效:63株实生苗中有13株是无籽的。有些组合完全没有产生无籽实生苗,其中就有粉红恰吾什×无核白。作者利用已获得的有希望杂种2—9—64与无核黑杂交的方法,继续进行其F_2的选种工作。
The authors used the large-grained, high-quality table-top variety Vineyard Queen, White Chashi, Pink Chashi, Rosemary, Italy, Callas, Nimran Lange and Heikelna as seedless seeds, No nuclear white, pink non-nuclear, non-nuclear black, nuclear-free Watcon, Asgari as the male parent for hybridization. A small number of seedlings with seedless berries were obtained in offspring. The combination of pink Chawaroshi × no black nuclear most effective: 63 of 63 seedlings are seedless. Some combinations did not produce seedless seedlings, of which there are pink Cha Shi × × no nuclear white. The author uses the obtained hope hybrids 2-9-64 and seedless black hybrid method, continue its F_2 selection work.