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贝拉多纳是日本在 90年代初选育出的极早熟品种 ,1 995年从日本引进 ,1 996年将繁育的速生苗定植于辛集市农试场 ,栽植面积约 0 2ｈｍ2 ,株行距 3ｍ× 5ｍ ,以日本李王为授粉树。树形采用疏散分层形。1 997年开花株率 30 % ,1 998年株产达 1 1ｋｇ ,667ｍ2 ( 1亩 )产 4 90ｋｇ
Beira Dona is a very early maturing variety bred in Japan in the early 90s. It was imported from Japan in 1995 and was planted in Xinji Agricultural Experiment Station in 1996. The planting area is about 0 2hm2. The spacing between rows is 3m × 5m, with Japan’s Lee King as pollination tree. Tree shape with evacuation layered. In 1997, the flowering rate was 30%. In 1998, the yield reached 11kg and 667m2 (1mu) yielding 4 90kg