新红星、首红苹果是元帅系苹果浓红短枝型具代表性的品种,近年来,我们对其新梢和果实生长规律进行了研究,目的在于用其作为制定栽培技术措施的依据。 一、材料和方法 试验于1990～1991年进行,以我所苹果资源圃山定子砧的 8～9年生首红和 10～11年生新红星苹果树为试材。首红树势偏旺,新红星树势中庸。行株距为 5m×3m,管理水平一般。 新梢生长调查于5月15日开始生长时,在 The new red star, the first red apple is apples of the apple red spur type representative varieties, in recent years, we study the law of its shoots and fruit growth, the purpose is to use it as a basis for the development of cultivation techniques. I. Materials and Methods The experiment was carried out from 1990 to 1991 with the first-year reds of 8 to 9 years and the red apple trees of 10 to 11 years from the mountain statues of the apple resources garden. The first mangrove vigorously, the new red star tree moderate. Row spacing of 5m × 3m, management level in general. The shoot growth survey began on May 15 when