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塑料薄膜小棚提早嫁接繁育苹果接穗技术,近年来在晋南广泛用于繁育苹果短枝型等优良新品种。和常规露地嫁接相比,该技术可提早一年育出成苗,接穗出圃率提高3～6倍,同时还可根据不同育苗要求在不同时期提供发育成熟的接穗,具有较高的经济效益。现将该技术介绍如下。一、砧木的选择快速繁育接穗一般以选用二年生的砧木为宜,这类砧木根系较大,
Plastic film shed early grafting apple scion technology, in recent years in southern Shanxi widely used for breeding apple spur type and other fine new varieties. Compared with the conventional grafting, the technology can raise the seedlings one year earlier, increase the yield of the spikes by 3 to 6 times, and at the same time provide mature scion according to different nursery requirements at different periods with high economic benefits. The technology is introduced below. First, the choice of rootstock Rapid breeding scion generally use perennial rootstock is appropriate, such rootstock larger roots,