CN104206182A

CN104206182A - Seedling walnut bark tongue access grafting method

Info

Publication number: CN104206182A
Application number: CN201410377017.9A
Authority: CN
Inventors: 张赞昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-08-01
Filing date: 2014-08-01
Publication date: 2014-12-17

Abstract

The invention relates to a seedling walnut bark tongue access grafting method, which comprises the following steps that prepared walnut scions are cut into horse ear shapes, and in addition, the lower ends are pinched open by hand, so that the xylem part is separated from the bark; the main stem smooth part is subjected to stem cutting, and old bars are cut away; the lower end xylem parts of the prepared scions are inserted under the barks of stocks, two full buds are reserved at the upper ends, and the lower end bark layers of the scions are combined with the new bark layers of the stocks subjected to the old bark removal; white areas are exposed around the scions so that the wounds can be heeled and the callus tissues can be formed; the wounds are tightly covered by mulching films, and then, the scions are fixed by plastic bags. After the stocks and the scions are fixed, the plastic bags sheath the scions from the upper ends to positions under the connectors, and the openings of the plastic bags are tightly tied for moisture preservation. A paper roll rolled by newspaper sheaths the outside of the plastic bags for shading sun-proof protection, the lower end is tied in, and the upper end is folded down. When the method provided by the invention is adopted, the walnut trees bear fruit 5 to 7 years earlier than the walnut trees cultured in a seedling way, the quality is good, the stable transfer of high quality and good variety features is ensured, and the problem of great lateral generation separation of seedlings can also be solved.

Description

A kind of walnut that grows directly from seeds is inserted skin whip graft grafting

Technical field

The present invention relates to agricultural planting field, be specifically related to a kind of walnut that grows directly from seeds and insert skin whip graft grafting.

Background technology

Since the later stage eighties in last century, in all parts of the country just do not stop the grow directly from seeds exploration of trees graft technology of walnut always.Grafting method is from cleft grafting, cut-grafting, and cortex grafting, to last slotting skin whip graft, survival rate is from unstable (10-70%) that starts to the last motility rate (more than 93%) that is stable into, and probably passed through nearly 20 years groping and putting into practice.

The walnut of the present invention inserting tree skin tongue grafting that grows directly from seeds, up to the present, through repetition test, graft technology is full maturity, and main employing inserted skin tongue grafting, and method is to adopt plastic sheeting for farm use wrapping scion, and the moisturizing of sleeving plastic bag, utilizes newspaper to shelter from heat or light.Time is suitable and technical measures are proper, and graft survival rate can be stabilized in more than 93%.

Summary of the invention

For improving walnut quality and output, for the low problem of current walnut nursery stock graft survival rate, provide a kind of walnut that grows directly from seeds to insert skin whip graft grafting, the present invention includes following steps:

1. ready high-quality walnut graft is whittled into horse ear shape, and with hand, lower end is pinched out, make wooden part separated with epidermis.

2. at smooth position, mobile jib 80-120cm place, cut bar, and discharge water, always aughty removing; Below the cortex of the wooden partial insertion stock in preprepared scion lower end, wooden part and stock are combined closely, upper end retains two full buds, and scion lower end cortex removes old aughty neocortex with stock is combined; Scion around will show money or valuables one carries unintentionally, so that the formation of wound healing and callus; With mulch film, by wound Bao Yan, prevent water loss, then fix scion with plastic sack, prevent from rocking.

3. after stock and scion are fixed, with the plastic sack of 30 * 40cm, from the upper end of scion, overlap to interface, the lower end of bag will cover grafting part, and plastic bag mouth is tightened and carried out moisturizing.

4. with 8, open newspaper and roll up a paper tube sleeve in the outside of plastic sack, the preventing coating protection that shelters from heat or light, lower end prick into, upper end is folded down.

Effect of the present invention is: adopt the walnut nursery stock that inserts the grafting of skin tongue grafting, than the walnut precocity fruiting 5-7 of seedling cultivation, and best in quality, and output is high, main is the stable delivery that has guaranteed fine quality good characteristic, also can solve the problem that seedling offspring is separated large.

Accompanying drawing explanation

Accompanying drawing 1 is the slotting skin whip graft grafting schematic diagram of raw walnut of the present invention.

Embodiment

An embodiment of the present invention of 1 by reference to the accompanying drawings below

The walnut that grows directly from seeds is inserted a skin whip graft grafting, and the method comprises the following steps:

(1) collection of scion, storage: clip robust growth is answered in scion, high yield, in colory adult maternal plant tree crown periphery, the developmental branch on top, long fruit branch and with the medium fruit branches of 2 years raw branch sections, it is sturdy smooth that scion is wanted, sprout is full, medulla is little, anosis worm harm, scion grafting scion should be before germination 20-30 days or gather after fall foliage in the first year, after adopting, be put in the ground kiln of 0-5 ℃ or shady and cool place, the highest can not be over 8 ℃, with the wet sand of relative moisture 70%, bury, the section of cutting after scion being taken out before grafting, cut and stay length 20cm left and right, cutting Duan Houyong clear water soaks, scion is fully absorbed water, or scion was put at normal temperatures in 2-3 days before grafting, it is sprouted from skin,

(2) grafting time: the first tenday period of a month in early April to May, walnut grafting trees was many in the Germination to Frondescent phase, when being grafted trees and growing 3cm young sprout how long;

(3) stock is prepared: should be before saw anvil, elder generation spirality dewatering outlet, Ju2-3 road below trunk, deeply reach the xylem of trunk, be about 4-5cm, treelet grafting, Ying Ju ground, level land 1.2m, hillside fields is far from the sawed-off stock in 0.8m place, ground, the breed improvement of large tree, can be at trunk, major branch or side shoot place are sawed-off, scabble saw kerf, then at the level and smooth side grafting fringe place of stock, the uneducated person's skin of pruning, expose tender skin, bevel length is slightly longer than scion bevel length apart from saw kerf, wide 1-3cm, thickness stays 2-3mm, section above peeling, cutting a cutter crescent concave surface makes scion be combined and closely close with stock,

(4) scion is prepared: first branch base portion dehydration part is cut off, the cutter of splaying in the lower end of branch, 2/3 of the scion rugosity of should pruning, upper thick and lower thin, bevel is the long horse ear shape inclined-plane of 5-7cm, and the lower edge of a knife of scion bevel is at the very start to recessed, and over medulla, be horse ear shape and splay downwards, guarantee that branch bevel has 2～3 full buds above, make scion length 10cm left and right;

(5) insert scion: according to the rugosity of grafting part, determine cuttings quantity, general 2-4 cuttings, after scion is cut, by the most advanced and sophisticated cortex of scion horse ear shape separately, make its skin, wood is separated, scion xylem is inserted between the phloem and xylem of stock, scion and the stock position 0.5-1cm that shows money or valuables one carries unintentionally, scion skin zone applies on the stock skin of cutting, with the plastic sheeting for farm use of 4-5 centimetre, twine the scion of tying up fixing slotting skin zone position, and then with plastic sheeting for farm use by the whole Bao Yan in the cross section of stock, prevent that rainwater from infiltrating, by plastic ties, whole scion is tied up firmly again, overlap again the white plastic bag moisturizing of 20 * 30cm, finally again newspaper is rolled into cylinder, grafting part is wrapped up, the height of newspaper exceeds scion 10cm with top and is advisable, bottom is with the Bao Yan face of peeling, after bag, by plastic ties, newspaper cylinder lower end is tightened and sheltered from heat or light for stock,

(6) connect rear management:

1) leak informaton: connect latter about 10 days and check survival rate, windproof by breaking above plastic sack after sprout sprouts, prevent that high temperature from burning bud, can not leak informaton, too early in case death is drained in scion; Can not be too late, otherwise young sprout yellow or bending, impact growth, anti-air port is ascending, and the big or small initial stage in hole is advisable with 1 square centimeter, and young sprout cuts open plastic sack top to leak informaton with cutter after growing to 3cm left and right, generally afternoon, after 4:00, cuts open;

2) pinching, bud picking: when young sprout grows to 20-30cm, carry out pinching growth-promoting branch, interface is lightened restrictions on 1 time, germinate while sprouting on stock, immediately bud is erased, concentrate the growth of nutrition supplying grafted branch, general 10d smears bud 1 time in left and right,

3) vertical pillar: when young sprout grows to 30-50cm, tie up a waddy on stock, young sprout is tied on waddy, in case young sprout is rolled over by wind, after late August, as scion is grown firmly, can tie up thing removal by twining.

Above-described embodiment, is preferred embodiment of the present invention, is not used for limiting the scope of the present invention, and the equivalence of being done with content described in the claims in the present invention therefore all changes, within all should being included in the claims in the present invention scope.

Claims

1. the walnut that grows directly from seeds is inserted a skin whip graft grafting, it is characterized in that, the method comprises the following steps:

(4) scion is prepared: first branch base portion dehydration part is cut off, the cutter of splaying in the lower end of branch, 2/3 of the scion rugosity of should pruning, upper thick and lower thin, bevel is the long horse ear shape inclined-plane of 5-7cm, and the lower edge of a knife of scion bevel is at the very start to recessed, and over medulla, be horse ear shape and splay downwards, guarantee that branch bevel has 2-3 full bud above, makes scion length 10cm left and right;

(6) connect rear management: