果树大小年的问题,从现象上看是大年结果多,不能形成花芽;小年结果少又过多的形成了花芽。这仅仅是个现象,形成大小年的实质是什么呢?有人认为是生长素的问题,就是说在种子里面有一种抑制花芽分化的生长素,结果愈多,这种生长素也就愈多,对花芽分化的抑制作用也愈大,因此花芽形成就愈少。另一方面的意见,也是占绝大多数人的意见,认 The size of the fruit tree year problem, from the point of view is the New Year results and more, can not form flower buds; small annual results of too little and too many flower buds formed. This is just a phenomenon, what is the essence of the formation of the size of the year? Some people think that the problem of auxin, that is, there is a seed inside the inhibition of flower bud differentiation of auxin, the more the result, the more auxin, The greater the inhibition of floral bud differentiation, the less flower buds are formed. On the other hand, the views of most people are also opinions