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Method for cuttage and culture of seedling of Melia azedarach Linn

A technology for raising seedlings by cuttings and neem, which is applied in the field of seedlings by cuttings of Azalea, can solve the problems of restricting large-scale propagation and production of neem, failing to maintain the excellent characteristics of fine seeds, and long time for seeds to germinate and unearth, so as to increase the number of seedlings, reduce costs, and maintain excellent effect of trait

Inactive Publication Date: 2012-04-18
JIANGSU ACAD OF FORESTRY
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AI Technical Summary

Problems solved by technology

In above-mentioned propagation method, the seed propagation of neem, its seed rate, germination rate are all lower, neem seed shell is harder, and the seed germination unearthed time is longer, influences the growth and development of neem, and seed propagation can not keep the original excellent quality of fine seed. Characteristic; Although neem root burying propagation can keep the genetic quality of the mother plant, the root system quantity is limited, and it is difficult to get roots, which limits the large-scale reproduction and production of neem; and the in vitro tissue culture of neem needs to be screened under sterile conditions. Medium, and in a suitable environment for continuous cultivation to grow into plants, this method has high cultivation technology, complicated and strict operation, and high production cost

Method used

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specific Embodiment approach

[0017] The method for raising seedlings by cuttings of neem is characterized in that, comprising the following steps:

[0018] (1) Preparation of cutting substrate: mix perlite and peat at a volume ratio of 2:1 to 1:1 to make a cutting substrate, and spray the cutting substrate with a broad-spectrum fungicide solution diluted 800 to 1000 times to sterilize it. Wherein, the broad-spectrum fungicide can be carbendazim or chlorothalonil solution;

[0019] (2) Preparation of rooting agent: dissolve 800-1000 mg of indole butyric acid in 10-20 ml of 95% ethanol, then add 5-10 mg of ammonium molybdate, 25-50 mg of lanthanum nitrate and 10-30 mg of sucrose, and finally add water to 1kg, mixed evenly to form rooting agent;

[0020] (3) Material selection and cuttings: On cloudy days from the beginning of June to the end of July or in the early morning, the temperature is 20-30°C, and the humidity is 75%-90%. Cut the branches of neem sprouts that grow to 20-25cm after being cut off in ...

Embodiment 1

[0024] Mix perlite and peat at a volume ratio of 2:1 to make a cutting substrate, put it into a plastic seedling box of 50cm x 80cm x 15cm (length x width x height), and spray it with 800-fold diluted carbendazim solution for disinfection; Dissolve 800 mg of indole butyric acid (IBA), ammonium molybdate ((NH 4 ) 6 Mo 7 o 24 4H 2 O) 10mg Lanthanum Nitrate (La(NO 3 ) 3 ) 25mg and sucrose 30mg, then add water to 1kg, and mix well to form a rooting agent; on cloudy days from the beginning of June to the end of July or in the early morning, the temperature is 20-30°C, and the humidity is 75%-90%. After drying, the branches of neem germinate and grow to 20-25cm, the cut length is 8-10cm, and the upper and lower cuts are flat, the upper cut is 1cm±0.2cm away from the leaf buds, and the compound leaves are kept as branches with 1-2 small leaves For cuttings, dip the base of the cuttings in 0.1% potassium permanganate solution for 1 to 2 minutes for disinfection, then quickly dip...

Embodiment 2

[0026] Mix perlite and peat at a volume ratio of 1:1 to make a cutting substrate, put it into a plastic seedling box of 50cm x 80cm x 15cm (length x width x height), and spray it with a carbendazim solution diluted 1000 times for disinfection; Dissolve indole butyric acid (IBA) 1000mg, ammonium molybdate ((NH 4 ) 6 Mo 7 o 24 4H 2 O) 5mg, lanthanum nitrate (La(NO 3 ) 3 ) 50mg and sucrose 10mg, then add water to 1kg, mix well to form a rooting agent; on cloudy days from the beginning of June to the end of July or in the early morning, the temperature is 20-30°C, and the humidity is 75%-90%. After the neem germinates and grows to 20-25cm branches, the cutting length is 8-10cm, and the upper and lower cuts are flat, and the upper cut is 1cm ± 0.2cm away from the leaf buds, and the branches with 1-2 small leaves are kept as compound leaves. For cuttings, dip the base of the cuttings in 0.1% potassium permanganate solution for 1 to 2 minutes for disinfection, then quickly dip ...

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Abstract

The invention discloses a method for cuttage and culture of seedling of Melia azedarach Linn, comprising the following steps: (1) preparing a cuttage matrix; (2) preparing rooting agent; (3) selecting materials and cutting; and (4) managing and transplanting after cottage. The method for cuttage and culture of seedling of the invention can keep the excellent performance of the stock plant of the Melia azedarach Linn, and has the advantages of high reproduction coefficient, strong and tidy plant growth, simple and convenient operation and the like. Compared with the root buried seedling culture method, the invention improves the nursery stock breeding amount by above 80%, the operation program of the cuttage technology is easy to popularize and apply, the cost is one tenth of that of propagation by tissue culture, and the invention has the important practical and popularizing meaning on the Melia azedarach Linn nursery stock breeding.

Description

technical field [0001] The invention relates to a method for asexual propagation of plants, in particular to a method for raising seedlings by cutting neem. Background technique [0002] The propagation of neem is mainly based on seed sowing. The soil requirements are high. It needs deep and fertile sandy loam soil with good drainage and convenient irrigation. It is sown in spring or autumn. 60% to 80%, the seeding rate per mu is 15 to 20kg, and it takes about 40 to 50 days to germinate; in addition, due to the strong germination ability of the roots of the neem tree, it is also possible to use the roots of the neem root to propagate and raise seedlings; The clustered buds and effective tender stems of neem can be propagated through tissue culture under the control of light and humidity conditions with a suitable medium. In above-mentioned propagation method, the seed propagation of neem, its seed rate, germination rate are all lower, neem seed shell is harder, and the seed...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G9/10A01N59/16A01N43/38A01N43/16A01P21/00
Inventor 王保松蒋泽平黄利斌教忠意窦全琴隋德宗张敏蒋春
Owner JIANGSU ACAD OF FORESTRY
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