圆铃枣在我省栽培面积较广,除鲁西主产区外,鲁中南丘陵山区也有分布。产量约占全省枣产量的60%左右,在当前生产和今后发展中都居重要位置。但是该品种幼果发育期间持续不断地落果。在一般情况下,座果盛期平均每果枝可座2-3个幼果。而至采收前仅存留0.3个左右,落果率达90%以上, Round Bell jujube cultivated area in our province is broader, in addition to the main producing areas of Luxi, Lu Central and Southern Hills are also distributed. Production accounts for about 60% of the province’s jujube production, in the current production and future development are in an important position. However, the variety of young fruit continued to drop fruit during development. Under normal circumstances, the average perch fruit seat can seat 2-3 young fruit. Until the harvest before leaving only about 0.3, falling more than 90%