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冬枣是我国的名优品种之一,皮薄酥脆,含糖量高,风味独特,市场前景看好,不少老枣园想改接冬枣,以提高经济效益,2001年兴安镇贾村50亩15年-20年生的婆枣和铃枣进行多头高接冬枣,嫁接成活率为96%,当年新枣头的生长量为100-130厘米,取得了一年嫁接,二年结果,三年亩产35公斤的好收成。技术要点如下:一、接穗选择:接穗应选用树冠外围,生长充实的1年生枣头或二次枝,粗度以0.4-0.8厘米为宜,接穗长度2-3个芽,进行封蜡处理,置于温度为0-5℃、湿度在90%左右的冷库中存放,随用随取。二、大树处理及嫁接方法:由于老树大冠稀植,树干过
Dong jujube is one of the famous varieties in our country, thin thin crisp, high sugar content, unique flavor, good market prospects, many old jujube want to switch to jujube, in order to improve economic efficiency, 2001 Xingan Jia Jia 50 acres of 15 years - 20-year-old pomander and bell jujube long high take winter jujube, grafting survival rate of 96%, when the growth of new jujube head 100-130 cm, obtained a year of grafting, the results of two years, three years 35 Good harvest of kilos. Technical points are as follows: First, the selection of scion: Scion should use the crown periphery, the growth of substantial 1 year old head or secondary branch, the thickness of 0.4-0.8 cm is appropriate, scion 2-3 buds in length, sealed wax treatment, Placed at a temperature of 0-5 ℃, humidity storage at 90% of the cold storage, with the use of take. Second, the tree processing and grafting methods: As the old tree crowns, tree trunks