我们在襄汾县城关、邓庄、汾城等地调查,座果率元帅为7.92%,红星为8.04%,而丰产品种金冠、秦冠达25%以上.因此,探讨红星果树座果率低的原因,研究提高座果率的方法,很有必要.一、座果率低的原因1.授粉受精不良红星果树大量落花落果出现在花期刚刚结束后和花后7-10天.主要原因有三:一是上年营养不足,花芽分 We investigated in Xiangfen County Chengguan, Dengzhuang, Fencheng and other places, the fruit rate of Marshal was 7.92%, Red Star 8.04%, while the variety of Golden Delicious, Qin Guan Da 25% .Therefore, The reason is that it is necessary to study how to improve the fruit set rate.First, the reason of low fruit set rate 1.The pollination and poor fertility The large number of falling fruit of red star fruit tree occurs after flowering just after the end and 7-10 days after anthesis.There are three main reasons: First, lack of nutrition last year, flower bud points