贝拉多纳是日本在 90年代初选育出的极早熟品种 ,1996年引进辛集市农场试栽 ,面积约 0 .2 hm2 ,株行距 3m× 5m,以日本李王作授粉树 ,树形采用疏散分层形。 1997年开花株率 30 % ,1998、1999年 ,666.7m2 (亩 )产分别为 4 90 kg和 2 650 kg,市场批发价每公斤 5元 ,经济效益显著 Belladonna is the very early maturing varieties bred in Japan in the early 90’s. In 1996, Xinji Farm was introduced for trial planting with an area of ​​about 0.2 hm2. The spacing between rows was 3m × 5m. Using evacuation layered form. In 1997, the rate of flowering plants was 30%. In 1998, 1999 and 666.7m2 (mu), the yield was 4 90 kg and 2 650 kg, respectively. The market wholesale price was 5 yuan per kilogram, and the economic benefit was significant