桃的种类和品种很多 ,就成熟期而言 ,有早、中、晚三大类。早熟桃可提早淡季供应市场 ,经济效益显著。为了给我省的早熟桃的生产栽培提供科学依据 ,1990年我们用国内的几个优良早熟桃品种与“社古桃”进行品种比较试验 ,现将试验结果报道如下 :1　试验材料和方法1.1　试验地点 Many varieties and varieties of peaches, as far as maturity, there are three categories of early, middle and late. Premature peach early off-season supply market, significant economic benefits. In order to provide a scientific basis for the production and cultivation of peach peaches in our province, in 1990 we use several fine varieties of early-maturing peach varieties and the “Society of ancient peach” varieties tested, the test results are reported as follows: 1 Test Materials and Methods 1.1 Test Location