虽然腰果开花很多,但并非都能成果。通常一个花序的雄花和两性花的比率为10:1。虫害等因素使未熟腰果的落果率很高。1966年达莫达兰(Damodaran)等观察腰果的座果率为4—6%。1966年诺思伍德(Northwood)认为,造成幼果脱落是生理原因。1971年达沙拉蒂(Dasarathi)曾报道,腰果发育在芥菜籽大小阶段的落果率占55%,在花生米大小阶 Although a lot of cashew flowering, but not all results. The ratio of male and bisexual flowers of an inflorescence is usually 10: 1. Insect pests and other factors make the unripe cashew fruit drop rate is very high. In 1966, Damodaran et al observed a fruit setting rate of 4-6% for cashews. Northwood in 1966 argued that shedding young fruit was a physiological cause. In 1971, Dasarathi reported that cashew development accounts for 55% of the drop in the mustard size stage,