庆元县左溪镇发竹村叶朝斌写信给省科协,说他在丽水市场买到“东魁杨梅”40株,种后成活25株。已经8年了,树冠高度和冠径都有1.5米,但是不结果,询问其原因和补救方法。与此类似的询问信还有几封。现回答如下。 1.鉴别是否为真正的东魁杨梅品种东魁杨梅的结果性能较好,若不结果,首先要检验是否为真正的东魁杨 Qingyuan County left town hair bamboo Ye Chaobin wrote a letter to the Provincial Association for science and technology, said he bought in Lishui market, “Dongkui bayberry” 40, after the survival of 25 species. It has been 8 years, crown height and crown diameter are 1.5 meters, but no result, ask the reason and remedy. There are several similar inquiries. Now answer as follows. 1. To identify whether the true Dongkui Bayberry Bayberry Bayberry species better performance results, if not the result, we must first test whether the real Dongkui Yang