CN104472190A - High-pressure breeding seedling method for Ficumsicrocarpa - Google Patents

Abstract

The invention discloses a high-pressure breeding seedling method for Ficumsicrocarpa, which comprises the following steps: (1) selecting branches; (2) preparing a medium; (3) performing high-pressure operation; (4) transplanting and managing. According to the method provided by the invention, the bactericide prepared from sterile water is used for cleaning the juice overflowing at a girding opening in the step of high-pressure operation, the girding opening is naturally dried, the bactericide is sprayed on the girding opening, and then a 500-1000ppm naphthylacetic acid aqueous solution made from sterile water is sprayed after the girding opening is slightly dry, so that the wound infection is prevented, the rooting speed and quality of the notch are increased, the high-pressure survival rate of the branches is increased and the high-pressure planting survival rate of the Ficumsicrocarpa is above 98%.

Description

The high pressure breeding and seedling method of rich and honour banyan

Technical field

The present invention relates to plant asexual multiplication seedling technical field, be specially the method for rich and honour banyan [Ficus altissimacv.'Yellow Gem'] asexual high pressure breeding and seedling.

Technical background

Rich and honour banyan, also known as gold leaf banyan, Ma Rong etc., is Moraceae Ficus, perennial woody ornamental foliage plant.Originate in the ground such as Chinese Hainan, Guangxi, Yunnan, India, Southeast Asia.Its property happiness high temperature and humidity weather, drought-resistant barren, impoverishment tolerant and arid, wind resistance and anti-atmospheric pollution.Rich and honour banyan blade scatters yellow patch, beautiful in colour, be suitable for row view seeds, quite like by consumers in general, market increases for the demand of rich and honour banyan high quality seedling is anxious.Accelerate rich and honour banyan industry development, set up large-scale production base, keep the various merit of the excellent maternal plant of rich and honour banyan genetic stability in offspring individuals, improving survival rate and growth regularity, is realize rich and honour banyan seedling industry development, production key technology.

The production of current rich and honour banyan adopts conventional high-pressure breeding and seedling method, the high pressure matrix adopted is rural area soil, otch, also without disinfecting, adopts this conventional high-pressure breeding and seedling method to breed rich and honour banyan seedling, and re selection high pressure plantation survival rate is below 30%.

Summary of the invention

The object of this invention is to provide a kind of high pressure breeding and seedling method of rich and honour banyan, it can significantly improve re selection high pressure plantation survival rate.

To achieve these goals, the present invention adopts following technical scheme:

Rich and honour banyan high pressure breeding and seedling method, comprises the following steps:

One, branch is selected: adopt conventional method to select stalwartness, disease-free and have the branch of breediness;

Two, matrix prepares: sphagna and peat soil are mixed by the volume ratio of 1:1-3, in 121-126 DEG C, and 1.01 × 10 ⁵desinsection, sterilizing 25-35 minute under Pa, then soak with sterile water, adjustment pH6.0-7.0; Keep relative moisture 70-90% for subsequent use;

Three, operation with high pressure:

(1) band girdle

Select fine day, with the grafting knife of sterilizing in the lignification branch position ring-type cutting of rich and honour banyan, the wide 1.2-1.4cm of girdling mouth, be deep to xylem top layer, xylem can not be injured during girdling, rinse the excessive juice of clean band girdle mouth with the bactericide of sterile water preparation, until flow out without obvious juice, dry in the shade girdling mouth naturally;

(2) short root process

Spray the upper end cortex of band girdle mouth with the 500-1000ppm methyl α-naphthyl acetate aqueous solution, impel its quick, even long root;

(3) wrap up

Plastic film is tightened below the band girdle mouth of branch, roll up after making in order in bag-shaped, make band girdle mouth be positioned at this bag, in this bag, load the matrix that step (2) prepares, by matrix, band girdle lid is full, then the sack of this bag is tightened be positioned on the position above girdling mouth at branch;

(4) maintenance

Carry out the extermination of disease and insect pest to the well-off rich water of rich and honour banyan female parent (strain), maternal 40-50% is kept to shelter from heat or light and ambient humidity controls at 70-90%, temperature controls at 20-30 DEG C, whether the matrix making regular check on branch high pressure place is dry, and as found, the slightly dry need of matrix keep the skin wet with pin hole in time; After about 15-20d, existing significantly new root above rich and honour banyan band girdle mouth;

Four, transplant and manage

When being cultured to 15-20d after long root, the high layer survived being cut off parent, adopting usual manner to carry out transfer and management.

After adopting such scheme, compared with prior art, the inventive method tool has the following advantages:

One, the inventive method selectes stalwartness, disease-free and have the branch of breediness, and after high pressure, the performance characteristic of branch is consistent with former female parent, can not cause variation, there will not be full Huang, the entirely unconspicuous situation of green or patch.

Two, the present invention adopts sterile water to configure bactericide sterilization band girdle mouth, the sense bacterium preventing band girdle mouth from bringing because of branch juice or matrix itself, causes branch death or not long root; Spray the upper end cortex of band girdle mouth with the methyl α-naphthyl acetate aqueous solution of 500-1000ppm, can wound infection be prevented, accelerate long incision root speed and quality, improve branch high pressure survival rate.

Three, the present invention adopts the sphagna after high-temperature disinsection heating, sterilizing and peat soil mixing as high pressure matrix, reduce wound and again feel bacterium chance, the two moisture capacity is strong, adjustment pH6.0-7.0, being fully ensure that the branch at band girdle place can provide growing environment preferably, ensureing the demand of normal long root, is prevent its microenvironment destroying former wrapping with pin hole moisturizing, ensure cutting high pressure place soil humidity, favourable take root and seedling peel off maternal plant after can survive fast.

The inventive method can make the high pressure plantation survival rate more than 98% of rich and honour banyan, and can cultivate the rich and honour banyan seedling of different size type according to different purposes, and growth cycle is relatively short, and production cost is low, can meet the demand in Afforestation Landscape market by rapid, high volume seedling.

Accompanying drawing explanation

Fig. 1 is the band girdle mouth photo of branch in the inventive method;

Fig. 2 is the photo that the band girdle mouth of branch in the inventive method drains;

The photo forming bag below the band girdle mouth of branch tightened by plastic film by Fig. 3 in the inventive method;

Fig. 4 is the photo filled out matrix in the inventive method in bag and tie sack;

Fig. 5 is the photo that in the inventive method, band girdle mouth grows root system.

Embodiment

A kind of rich and honour banyan high pressure breeding and seedling method of the present invention, specifically comprises the steps:

1, high pressure branch is selected

Select dissimilar stalwartness, disease-free and there is the branch of breediness according to different purposes, select according to one of following condition:

(1) stem is done sturdy, diameter of a cross-section of a tree trunk 1.3 meters above the ground 7-15cm, plants the raw branch of 2-3 for potted plant or ground plantation;

(2) annual lignified branch;

(3) from bud top to the branch obviously having semi-lignified at least 2-5cm.

2, matrix prepares

Be that sphagna and the import peat soil of 1:1-3 mixes by volume ratio, in 121-126 DEG C, 1.01 × 10 ⁵desinsection, sterilizing 25-35 minute under Pa, then soak with sterile water, adjustment pH6.0-7.0; Relative moisture 70-90% is for subsequent use; Import peat soil used is provided by Pin Shi company of Denmark, and adopt high-quality bog moss, sphagna used is the A level sphagna of commercial plantation Moth orchid, and its moistening effect is good.

3, operation with high pressure

3.1 band girdle

Select fine day, the grafting knife crossed with 75% alcohol disinfecting is in the lignification branch position ring-type cutting of rich and honour banyan, the wide 1.2-1.4cm of girdling mouth, be deep to xylem top layer, carefully peel the bark of girdling place off, during girdling, can not xylem be injured, rinse the excessive juice of clean band girdle mouth with the bactericide (available 800-1000 carbendazim, thiophanate methyl, tpn etc. doubly) of sterile water preparation, until flow out without obvious juice, dry in the shade girdling mouth naturally.

3.2 short root process

With the 500-1000ppm methyl α-naphthyl acetate aqueous solution (NAA configures with sterile water), spray the upper end cortex of band girdle mouth, object impels its quick, even long root.

3.3 wrapping

Tighten below the band girdle mouth of branch by White plastic film, roll up in bag-shaped after making in order, band girdle mouth is made to be positioned at the central authorities of bag, the matrix that step (2) prepares is loaded in this bag, by matrix by full for band girdle lid (being advisable with thickness 3-5cm), then the sack of this bag is tightened be positioned on the position above girdling mouth at branch.

3.4 maintenance

Also the extermination of disease and insect pest is carried out in the usual way to the well-off rich water of rich and honour banyan female parent (strain), the maternal 40-50% of suitable maintenance shelters from heat or light and ambient humidity controls at 70-90%, temperature controls at 20-30 DEG C, whether the matrix making regular check on branch high pressure place is dry, as found, the slightly dry need of matrix keep the skin wet with pin hole in time, the cultivation of about 15-20d, existing significantly new root above rich and honour banyan band girdle mouth.

4, transplant and manage

When being cultured to 15-20d after long root, the high layer survived is cut off parent, and take the circumstances into consideration to cut comparatively multiple-blade minimizing moisture evaporation, suitable container or cuttage seedbed is selected according to plant size, matrix employing volume ratio is import peat soil (particle diameter 0-30mm) and the perlite of 3-5:1, upper basin (1 strain/basin) after matrix mixing and stirring, water permeable after upper basin, shade 80%, temperature 20 ~ 28 DEG C, relative moisture remains on 75 ~ 90%, removes to outdoor nature intense light irradiation maintenance after upper basin 15-20d.

Claims (1)

1. rich and honour banyan high pressure breeding and seedling method, is characterized in that: comprise the following steps:

One, branch is selected: adopt conventional method to select stalwartness, disease-free and have the branch of breediness;

Two, matrix prepares: sphagna and peat soil are mixed by the volume ratio of 1:1-3, in 121-126 DEG C, and 1.01 × 10 ⁵desinsection, sterilizing 25-35 minute under Pa, then soak with sterile water, adjustment pH6.0-7.0; Keep relative moisture 70-90% for subsequent use;

Three, operation with high pressure:

(1) band girdle

Select fine day, with the grafting knife of sterilizing in the lignification branch position ring-type cutting of rich and honour banyan, the wide 1.2-1.4cm of girdling mouth, be deep to xylem top layer, xylem can not be injured during girdling, rinse the excessive juice of clean band girdle mouth with the bactericide of sterile water preparation, until flow out without obvious juice, dry in the shade girdling mouth naturally;

(2) short root process

Spray the upper end cortex of band girdle mouth with the 500-1000ppm methyl α-naphthyl acetate aqueous solution, impel its quick, even long root;

(3) wrap up

Plastic film is tightened below the band girdle mouth of branch, roll up after making in order in bag-shaped, make band girdle mouth be positioned at this bag, in this bag, load the matrix that step (2) prepares, by matrix, band girdle lid is full, then the sack of this bag is tightened be positioned on the position above girdling mouth at branch;

(4) maintenance

Carry out the extermination of disease and insect pest to the well-off rich water of rich and honour banyan female parent (strain), maternal 40-50% is kept to shelter from heat or light and ambient humidity controls at 70-90%, temperature controls at 20-30 DEG C, whether the matrix making regular check on branch high pressure place is dry, and as found, the slightly dry need of matrix keep the skin wet with pin hole in time; After about 15-20d, existing significantly new root above rich and honour banyan band girdle mouth;

Four, transplant and manage

When being cultured to 15-20d after long root, the high layer survived being cut off parent, adopting usual manner to carry out transfer and management.