2001年河南省南阳市从山东烟台引进甜樱桃进行栽培,目前栽培面积800 hm2左右,主要品种有红灯、雷尼、拉宾斯、意大利早红、滨库及先锋等。甜樱桃在南阳市基本能正常生长结果,10年生树每667 m2产量300 kg、产值6 000元左右,但也存在病害较重、坐果不良等问题。为此,我们通过科学 In 2001, Nanyang City, Henan Province, introduced sweet cherry from Yantai, Shandong Province for planting. The cultivated area is about 800 hm2 at present. The main varieties are red light, raney, Labins, Italian red, shore bank and pioneer. The sweet cherry can grow normally in Nanyang City. The annual output of 10-year-old trees is 300 kg per 667 m2, and the output value is about 6,000 yuan. However, there are also problems such as serious diseases and poor fruit setting. To this end, we pass science