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多年来,苹果砧木矮化性状的预先鉴定始终是个难题。国外曾报道碗豆和玉米等矮化植株的过氧化物酶活性要高于高杆植株;为此近年来又有人提出比较过氧化物酶同工酶的酶谱差异,可以作为鉴定苹果砧木的矮化程度的生化指标,但其仅选用了3个东茂林M系砧号作以比较。为了进一步查清M系矮化砧的叶片过氧化物酶同工酶与矮化性状之间的关系,我们在1981-1985年就如何利用叶片过氧化物
For many years, pre-identification of dwarfing traits in apple rootstocks has always been a challenge. Foreign countries have reported that dwarf plants such as pea beans and corn dwarfing plant peroxidase activity is higher than the high plant; for this reason, some people have put forward to compare the peroxidase isoenzyme zymogram differences can be used as apple rootstock identification Dwarfing degree of biochemical indicators, but only the selection of three Dong Maolin M anvil number for comparison. In order to further clarify the relationship between the leaf peroxidase isozyme and dwarfing traits in M series dwarfing anvils,