Seabuckthorn Greenhouse cutting propagation _4351

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Seabuckthorn Greenhouse cutting propagation

With indole butyric acid (50,100 rag / L), mouth Naphthylacetate (50,100 rag / L), Ⅱ and mouth bow I duo naphthylacetate acid mixture (50rag / L), 6 kinds of methods of water soaked plug section at the base,[link widoczny dla zalogowanych], dip deep 3 ~ 4crfl, time is 8 ~ 12ht1]. 3.3 Management 3.3.1 cuttings and plug inserted after the pre-treatment with 0.2% carbendazim disinfection of cutting medium, 24h after the water wash. Received :2003 -07-29 Author: Ranxiong Lin,[link widoczny dla zalogowanych], male, Gansu Tongwei people, born in 1955, forestry engineers, mainly engaged in the management of forest tree seedlings. Gansu Forestry Science and Technology Vol 28 3.3.2 cuttings treated cuttings, 16 o'clock in the afternoon after cutting, cutting depth of 3 ~ 4cin. And in the cutting process, water 1 30min intervals to keep the cuttings moist foliage. Cutting, the female plants and male plants to be separated, and recorded the number of cuttings, cuttings of the number of chemical treatments. After inserting Management 3.3.3 Water Management 3.3.3.1 Rooting before spraying every morning every 15min 1, noon, 1 spray every 5min, 10min spray 1 time every afternoon, to make leaves to maintain a water film, the studio temperature at 25 ~ 30 ℃. The temperature is too high JF, to increase the number of spray and cover shade cloth. After rooting, reduce water times. 40d gradually enhance the ventilation, acclimatization, daily 8 am open shed, covered sheds at 20:00. Observation period to record the studio temperature, humidity, ground temperature. 3.3.3.2 Cutting fertilizer spraying with 800 times the same day or chlorothalonil spray Carbendazim 1 bed, 1 spray after every 4d (both are used interchangeably); rooting spray after 1 week to prevent mildew infection cuttings. Root, the plug after about 20d to begin leaf dressing, 1 week, 3 weeks before spraying 2 ~ 5g / L urea, the latter with 2 ~ 5g / L of urea and potassium dihydrogen phosphate mixed with spray, were conducted in the evening [. 4 4.1 Observations and Analysis of observations recorded 1 week after cutting the contents of every 1 3d rooting rate survey, the first investigation 40d rooting rate, root number and length,[link widoczny dla zalogowanych], 60d investigate the survival rate, height; survey using random sampling method, each a survey of all 50 plants, female and male plants of the 25 strains. 4.2 The situation with the survival rate of rooting and analysis of findings investigation by digging postemergence washing, basal cuttings or bud eye callus 10 ~ 20d began Lu Bai, 20 ~ 30d formation of large root, root for the number of treatment vary. Water treatment rate of 75% rooting, IBA and a naphthylacetate mixture (50mg / L) treatment was 95% rooting through a Naphthylacetate (50,100 mg / L) and indole acid (50,[link widoczny dla zalogowanych],100 nag / L) treatment was 100% rooting, but rooting IBA processing time than a rooting NAA Treatment delay of about 10d. From the average root number per plant roots and root length of term, 50 ~ 100mg / L of a naphthylacetate treatment to promote root growth and the best articles, and more root number, root and long. Survival rate to a Naphthylacetate (50,100 nag / L) treatment was the highest, 88% to 89% (Table 2). Table 2 Test results CUTTING Seabuckthorn August 9 September 2O flat fan plug on the average number of treatment / a root length of the largest n / a Average length of root n / a Tony n high maximum / a Tony n high-profile volume in September survival rate of 25 /% Note: Total cutting 680O strains survived 5850, of which 3813 male plants, female plants 2987. 5 Conclusions 1) A semi-woody year students softwood cutting is feasible. Seabuckthorn softwood cutting begins to take root after 15 ~ 20d,[link widoczny dla zalogowanych], 40d can be transplanted about. Seedling root system, vigorous growth. Using this technology not only breeding cycle is short, rooting and seedling rate, but also a rich source of ear, is the effective way of seabuckthorn asexual reproduction. 2) When collecting cuttings, with soft brown skin and green half-woody branches year students as well. Delicate branches, young branch cuttings should not be used. 3) auxin can promote the formation of the root, the test concentration of 50,100 mg / L of a naphthylacetate best, soaking time to 12h and 8h for the best survival rate was 88%. 4) The roots of water management is the process of sea buckthorn nursery greenhouses key softwood cutting, according to weather conditions and cutting time to be adjusted.

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