长富2苹果留果标准试验

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为了找出长富2苹果的适当留果标准,于1985 年在所内试验区选用1980年高接的长富2进行试验。供试树生长正常,栽培条件基本一致,有灌水条件的平地果园。留果程度分别按3:1、4:1、5:1和6:1的枝果比留果,单株小区,3次重复。二年试验结果看出:(1)3:1和4:1区,枝果比小,留果多,当年中、短枝占比例较大,5:1区中、短枝比例较为适中,树体生长趋向稳产的指标,而6:1区由于留果偏少,生长较旺(见表)。 In order to find out the appropriate standard for the retention of Changfu 2 apples, a test was conducted in 1985 using Changfu 2 in 1980, which was used in the experimental area. The test tree growth is normal, basically the same cultivation conditions, the irrigation conditions of the orchard. The degree of fruit retention was 3: 1, 4: 1, 5: 1, and 6: 1, respectively. The results of two years showed that: (1) In the area of ​​3: 1 and 4: 1, the ratio of branches to branches was small and the number of remaining fruits was large. In the current year, the proportion of short branches accounted for a large proportion. Tree growth tended to be a stable indicator, while the 6: 1 area due to less retention, growing more prosperous (see table).
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