CN106386344A - Rejuvenation and fruit bearing method for aging fruit bearing jujube trees - Google Patents
Rejuvenation and fruit bearing method for aging fruit bearing jujube trees Download PDFInfo
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- CN106386344A CN106386344A CN201610791946.3A CN201610791946A CN106386344A CN 106386344 A CN106386344 A CN 106386344A CN 201610791946 A CN201610791946 A CN 201610791946A CN 106386344 A CN106386344 A CN 106386344A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention especially relates to a method for rejuvenating aging fruit bearing jujube trees without influencing normal fruit bearing. The method comprises following steps: (1) when jujube trees enter aging fruit bearing stage, purposive new branch cultivation is performed on main branches and fruit bearing groups; (2) renewing is performed as well as fruit bearing on the main branches, side branches and fruit bearing branch group of jujube trees which have already entered aging fruit bearing stage and whose output per plant is under 7.5 kg; (3) new main branches are renewed and cultivated for 3 to 5 years; (4) band girdling is performed after the jujube trees enter full flowering stage; (5) pinching is performed on newly cultivated newborn jujube heads according to the growth condition from early July to early August for enhancing the thickening and lengthening growth of second shoots on the jujube heads; (6) base part branch drawing is performed on newborn jujube heads according to growth part and growth space in the middle and late August. The method of the invention solves the problem that girdling tree protecting without output adopting renewing such as light renewing, middle renewing or heavy renewing so that the purpose of continuous high yield is fulfilled.
Description
Technical field
The invention belongs to field of plant growing technology, particularly to after jujube tree enters fruiting period for many years, period of decline is tied
The method that fruit jujube tree rejuvenating is neglected neither with result.
Background technology
Jujube tree is one of China special product fruit tree, and cultivation history is long, and distributional region is wide, and fruits nutrition enriches, and purposes is wide
General, strong adaptability, result is early, and life-span length have the title in " iron crops ", and at present, China overwhelming majority jujube tree is all located
In many annual bearings aging period, with the increase year by year of the age of tree, branch age is also increasing year by year, leads to fruit-bearing shoot cluster aging, result
Ability constantly declines, and, after many annual bearings, major branch, side shoot, the front portion of fruit-bearing shoot cluster are usually because of fruit weight for many years for jujube tree
And sagging year by year, aging death phenomenon in severe patient fruit-bearing shoot cluster, entirely sets effective Fructus Jujubae stock below 1000, the product of Fructus Jujubae fruit
Amount, quality reduce, and pest and disease damage occurs seriously, and single plant yield is in less than 7.5, and economic benefit pole decreases.Normal condition
Under, entirely set effective Fructus Jujubae stock and be maintained at more than 1500, single plant yield maintains in more than 15kg, the optimum time limit of Fructus Jujubae stock
3--8, more than 8 years branch groups start aging, and the Fructus Jujubae of pumping hangs and shortens year by year, and blade is thin, and blade is little, and dry matter content is few, alabastrum
Not full, fruit-setting rate reduces, fruit head is little, low quality, susceptible pest and disease damage, and economic benefit reduces.
In the face of current China large area is in the jujube resources of below 7.5kg perennial aging fruiting period, if adopted to it
Take effective cultivation management measure, realize high yield, stable yields, high-quality, efficient breeding objectives, will come to vast Fructus Jujubae zone
Huge economic benefit.
Although China's jujube cultivation is with a long history, up to the present, most of Fructus Jujubae areas are to perennial aging fruiting period Fructus Jujubae
Setting the update method taken is：Using the feature of jujube tree resting bud life-span length, when jujube tree enters old and feeble fruiting period, by returning
Contracting, can stimulating to cut and sprout newborn Fructus Jujubae head in saw kerf, making tree crown obtain rejuvenating, thus extending the result time limit.In cultivation,
China has been used up light renewal, middle renewal and updates three kinds of update methods, that is, again to the renewal of period of decline result jujube tree：1st, light
Update：When tree body just enters period of decline, shoot growths at different levels have been shown in and have turned weak, Secondary Branch and Fructus Jujubae stock start death, and skeleton branch has
Polished rod phenomenon occurs, and yield is on a declining curve, and single plant yield, below 7.5, during the effective Fructus Jujubae stock of full tree 1000, carries out light more
Newly, take the method for slight retraction, wipe out each major branch, side shoot, the 1/3 about of fruit-bearing shoot cluster overall length, stimulate the position staying to take out
Tissue regeneration promoting Fructus Jujubae head, forms new fruitful branch system, increases bearing capacity.After light renewal, tree body can continue open first then, maintains 5 left
Right yield.2nd, middle renewal：When tree body is significantly less intensive, Secondary Branch mortality, skeleton branch major part baldness, single plant yield is 5
Left and right, effective Fructus Jujubae stock 500 1000, yield drastically declines, and carries out middle renewal.Play removes major branch, side shoot fruit-bearing shoot cluster total length
1/2 about, and the fruit-bearing shoot cluster of baldness is cut again, growth-promoting shoot it is necessary to stop band girdle supporting tree more than 2 years could be complete
Become, there is no yield within 2 years.3rd, update again：When tree body extremely weak, branch mortalities at different levels, full tree shoot is few, skeleton branch light
Bald, single plant yield exists, and 2.5 about, below effective Fructus Jujubae stock 500, updated again.Play is complete except major branch, side shoot, fruit-bearing shoot cluster
Long 2/3 about, stimulates and cuts germinating shoot under saw kerf, re-form tree crown.The foster tree of band girdle must be stopped just completing within 3 years.This
All there is the regeneration period yield reduction of jujube tree or do not have yield in three kinds of update methods, for solving this difficult problem it is necessary to explore suitable
For while to jujube tree rejuvenating, not affecting a new technique of normal result and Fructus Jujubae fruit matter.
Content of the invention
The technical problem to be solved in the present invention is how to overcome the deficiencies in the prior art, provides jujube tree rejuvenating and result
The method neglected neither.
The present invention employed technical scheme comprise that for achieving the above object：The jujube tree of old and feeble fruiting period is not being affected normally to tie
The method being updated rejuvenation on the premise of fruit.
(1) after jujube tree enters fruiting period, to its skeleton branch, fruit-bearing shoot cluster, carry out autotelic culture and update, make complete all the time
Tree fruit-bearing shoot cluster, Fructus Jujubae stock keep the strong result stage in age；(2) to single plant yield in below 7.5kg, have been enter into the Fructus Jujubae of old and feeble fruiting period
Tree is carried out with result to major branch, side shoot, fruit-bearing shoot cluster, Fructus Jujubae stock, with renewal；(3) when jujube tree enters old and feeble fruiting period, major branch, side
The base portion of branch or larger result branch or the indivedual kryptoblast of back are at apical dominance, and green sprouting becomes newborn Fructus Jujubae head, by sprout
Newborn Fructus Jujubae head is trained new skeleton branch；(4), after entering jujube tree full-bloom stage, carry out major branch, side shoot or larger result branch group are entered
Row band girdle, the position of band girdle is put into the outer end of each base portion new life Fructus Jujubae head, band girdle width at 0.3--0.8 centimetre, ring-peeling depth
Reach xylem, phloem is taken off；(5) the first tenday period of a month in July to early August, the newborn Fructus Jujubae head to new culture, strong and weak according to growth
Carry out pinching, strengthen the overstriking of Secondary Branch, Gabor transform on Fructus Jujubae head；(6) mid-August and the last ten-days period, according to growth site, growth
Space carries out base portion to newborn Fructus Jujubae head and draws branch, for the jujube tree culture high yield tree management after updating.
Above scheme is described in detail as follows：(1) after jujube tree enters fruiting period, to its major branch, side shoot, fruit-bearing shoot cluster, enter
The autotelic culture innovation shoot of row, makes entirely to set fruit-bearing shoot cluster, Fructus Jujubae stock holding healthy and strong result stage all the time；(2) to having been enter into aging
The jujube tree of fruiting period carries out with result to major branch, side shoot, fruit-bearing shoot cluster, with renewal；(3), when single plant yield is below 7.5, have
When below effect Fructus Jujubae stock 1000, when jujube tree has been enter into old and feeble fruiting period, under major branch, side shoot or larger result branch group occur seriously
Hang down, after front end is sagging, base portion or the indivedual kryptoblast of back are at apical dominance, and green sprouting becomes newborn Fructus Jujubae head, takes effectively
Newborn Fructus Jujubae head is progressively trained new major branch, side shoot, fruit-bearing shoot cluster by measure；(4), after entering jujube tree full-bloom stage, change and existed in the past
The traditional method of band girdle on trunk, carries out and carries out band girdle to major branch, side shoot or larger result branch group, the position of band girdle is put into often
The outer end of individual base portion new life Fructus Jujubae head, at 0.5 centimetre, ring-peeling depth reaches xylem to band girdle width, and phloem is taken off；(5) seven
The first tenday period of a month to the early August moon, the newborn Fructus Jujubae head to new culture, pinching is carried out according to growth power, on enhancing Fructus Jujubae head, Secondary Branch adds
Slightly, Gabor transform；(6) mid-August and the last ten-days period, according to growth site, growing space, base portion is carried out to newborn Fructus Jujubae head and draw branch, be
Jujube tree culture high yield tree management after renewal.Further, the newborn Fructus Jujubae head present invention additionally comprises spring prunes, to new culture
According to branch degree of strength to take different trim modes：
(1) to robust growth, base portion rugosity reaches more than 2.0cm, and newborn Fructus Jujubae head more than length 1.0m, in the Second Year spring
In season, wipe out 23 Secondary Branchs of topmost, promote it and sprout 2 newborn Fructus Jujubae heads again, one extends branch as major branch, and one as side
Branch culture, the major branch sagging to band girdle mouth tip, side shoot and fruit-bearing shoot cluster carry out cutting back, cut off 1/4 branch amount；To the 3rd
Spring in year, when updating the innovation base portion rugosity of culture more than 2.5-3 centimetre, by the old and feeble major branch of former band girdle mouth tip, side
Branch and fruit-bearing shoot cluster wipe out 1/2 amount, and the 3rd year florescence band girdle can return to elite tree and do and carry out, and wiped out original to the 4th year spring
Old and feeble major branch, side shoot, fruit-bearing shoot cluster；
(2) weaker to growing way, newborn Fructus Jujubae head below below 1.5cm, length 1.0m for the base portion rugosity, in the Second Year spring
In season, the major branch of band girdle mouth tip, side shoot and fruit-bearing shoot cluster are not pruned, retain primibranch amount and continue result；The Second Year florescence
During band girdle, continue to select in the outer end being cultivated newborn Fructus Jujubae head, then carry out in good time pinching, enrich the battalion of new life branch further
Support, improve load capacity, to the 3rd year spring prunes when, when the major branch newly cultivated, side shoot, fruit-bearing shoot cluster base portion rugosity reach
When more than 2.5 centimetres, the old and feeble major branch of former band girdle mouth tip, side shoot and fruit-bearing shoot cluster are wiped out 1/3 amount；3rd year florescence ring
Stripping mouth is carried out in the new innovation rear end updating culture, to the 4th year spring, by the old and feeble major branch of former band girdle mouth tip, side shoot and
Fruit-bearing shoot cluster wipes out 1/2 amount, and the 4th year florescence band girdle mouth returns to elite tree and do and carry out, and wipes out original declining to the 5th year spring
Old major branch, side shoot, fruit-bearing shoot cluster, florescence band girdle mouth is carried out on elite tree does within the 5th year.
For above pruning, the step that it optimizes is as follows：To robust growth, base portion rugosity reaches more than 2.0cm, length
The Fructus Jujubae head of the new culture of more than 1.0m, when Second Year spring prunes, wipes out 2--3 Secondary Branch of topmost, promotees it and sprouts 2 newly
Raw Fructus Jujubae head, one extends to culture as major branch, one as side shoot culture, the major branch sagging to band girdle mouth tip, side shoot and
Fruit-bearing shoot cluster carries out cutting back, cuts off 1/4 branch amount, and on the Fructus Jujubae head that full tree is newly cultivated, Fructus Jujubae stock and original effective Fructus Jujubae stock keep
More than 1000, florescence band girdle mouth was placed on the rear end of newborn Fructus Jujubae head, and single plant yield is maintained at 10 about, to the 3rd year spring
When updating the innovation base portion rugosity of culture more than 2.5--3 centimetre, during pruning, by the old and feeble major branch of former band girdle mouth tip, side
Branch and fruit-bearing shoot cluster wipe out 1/2 amount, make the innovation shoot newly cultivated and original effective Fructus Jujubae stock be maintained at 1500, the 3rd year florescence
Band girdle returns to elite tree and does and carries out, single plant yield 10--15 about；Wipe out original old and feeble main when pruning to the 4th year spring
Branch, side shoot, fruit-bearing shoot cluster.Make the full tree after renewal keep new effective Fructus Jujubae stock 1500--2000, keep single plant yield 15--
20㎏；
Weaker to growing way, base portion rugosity below 1.5 centimetres, newborn Fructus Jujubae head below 1.0 meters of length, Second Year spring,
Retain the new original major branch of innovation shoot band girdle mouth tip cultivated, side shoot, fruit-bearing shoot cluster, do not pruned, retain original Fructus Jujubae stock
As a result, make entirely to set effective Fructus Jujubae stock and be continually maintained in 1000 about, single plant yield is maintained at 7.5kg, the florescence again band girdle when,
Continue to select, in the outer end being cultivated newborn Fructus Jujubae head, near upper 1 year band girdle mouth, to control band girdle mouth tip major branch, side shoot, knot
Fruit branch group continues result, concentrates nutrition to promote the overstriking of innovation shoot, Gabor transform further, the season of growth continues according to growth position
Put, growing space carries out in good time pinching, enrich the nutrition of new life branch further, improve load capacity.Repaiied to the 3rd year spring
When cutting, when the new major branch cultivated, side shoot, fruit-bearing shoot cluster base portion rugosity reach more than 2.5 centimetres, former band girdle mouth tip is old and feeble
Major branch, side shoot and fruit-bearing shoot cluster wipe out 1/3 amount, make innovation shoot, old and feeble branch effective Fructus Jujubae stock be maintained at more than 1000, individual plant
Yield is maintained at 10 about, and florescence band girdle is in the new rear end cultivating innovation shoot within the 3rd year.To the 4th year spring, by former band girdle mouth
The old and feeble major branch of tip, side shoot and fruit-bearing shoot cluster wipe out 1/2 amount, make innovation shoot, old and feeble branch effective Fructus Jujubae stock be maintained at 1500
More than, single plant yield is maintained at 15 about, and the 4th year florescence band girdle position returns to elite tree and do and carry out.Make the renewal newly cultivated
Fructus Jujubae stock on branch result together with original Fructus Jujubae stock.To the 5th year spring, wipe out original aging major branch, side shoot, fruit-bearing shoot cluster,
Make the innovation shoot newly cultivated effective Fructus Jujubae stock reach 1500-2000, single plant yield reaches 15--20kg, after through 4-5's
Time completes rejuvenating, forms original tree crown, makes branch age return to the result stage of stalwartness again.
The present invention according to aforesaid operations technology while ensureing jujube tree normal outcome, every 3 to 5 years major branches to jujube tree,
Side shoot, fruit-bearing shoot cluster update once, or according to the indivedual major branch of every plant of jujube tree, side shoot, fruit-bearing shoot cluster aging degree carry out single
Rejuvenating, remains that tree old branch are not old, fruitful branch maintains the strong high-quality stage in age all the time, solves conventional employing gently more
Newly, middle renewal, update etc. again and to need when updating to stop band girdle supporting tree, there is no a yield difficult problem, thus realizing harvesting high-quality high-yield year after year
Purpose.It is specifically intended that complete major branch, side shoot or fruit-bearing shoot cluster rejuvenating must strengthen soil fertilizer and water management, do well
Carry out on the basis of the prevention and control of plant diseases, pest control.
Specific embodiment
With reference to the detailed description present invention
Table 1 is Golden jujube difference branch age Fructus Jujubae stock growth result situation
As shown in Table 1, with the growth of Fructus Jujubae stock branch age, after life in 5 years, Fructus Jujubae stock pumping quantity, Fructus Jujubae hang length, number of results
Amount, yield are reducing year by year.
The application utilizes jujube tree resting bud life-span length, and the strong characteristic of kryptoblast rudiment power, after jujube tree enters fruiting period, to it
Skeleton branch, fruit-bearing shoot cluster, carry out autotelic culture innovation shoot, and tree fruit-bearing shoot cluster keeps the healthy and strong result stage entirely all the time, realizes
High yield, stable yields, high-quality, efficient cultivation mode.
The jujube tree having been enter into old and feeble fruiting period is carried out, with result, with renewal, working as jujube tree to major branch, side shoot, fruit-bearing shoot cluster
Major branch, side shoot or larger result branch group occur seriously sagging, and after front end is sagging, it is excellent that base portion or the indivedual kryptoblast of back are at top
Gesture, green sprouting becomes newborn Fructus Jujubae head, to such Fructus Jujubae head, as long as growth position is suitable on each skeleton branch, and has growth empty
Between, just retained, be progressively trained new skeleton branch, the Fructus Jujubae head visual space size that other positions are germinated is retained 2--3
Individual Secondary Branch carries out pinching, is trained fruit-bearing shoot cluster, concentrates nutrition to be supplied in the growth being retained newborn Fructus Jujubae head simultaneously.
After early June enters jujube tree full-bloom stage, band girdle on trunk obtains position in the past for change, and the position of band girdle is put into often
The outer end of individual new life Fructus Jujubae head, depending on band girdle width is according to kind, the growth potential of skeleton branch, the strong skeleton branch band girdle mouth of growth potential is slightly
Width, general 0.5--0.8 cm, the weak skeleton branch band girdle mouth of growth potential is slightly narrow, general 0.3----0.5 cm, ring
Stripping depth rests in as deep as xylem, and does not hinder xylem, phloem ring-type is taken off, does not stay burr, by skeleton branch ring
Stripping, the nutrition of cut-out top photosynthesis manufacture temporarily can not convey downwards, while improving band girdle mouth tip percentage of fertile fruit, enters
One step have stimulated the fast-growth of the newborn Fructus Jujubae head below band girdle mouth, and leaf area increases rapidly, and newborn Fructus Jujubae head blade passes through light
The setting fruit position of the nutrient just alternative band girdle mouth tip that cooperation manufactures is supplied to tree body and bottom root system, maintains tree body battalion
Foster, root growth normal function, can be band girdle mouth tip and setting fruit position normally conveys moisture and inorganic nutrients, play auxiliary supporting
The effect of branch, maintains the nutritive equilibrium of setting fruit position before band girdle mouth healing, not only increases percentage of fertile fruit, and improve Fructus Jujubae
Fruit single fruit weight, sugar content, fruit colour, define a good reaction.
Early July --- early August, the newborn Fructus Jujubae head to new culture, pinching is carried out according to growth power in good time, strengthens Fructus Jujubae
The overstriking of Secondary Branch, Gabor transform on head, are conducive to improving load capacity after its renewal and major branch, side shoot, fruit-bearing shoot cluster
Culture.In August, the last ten-days period, according to growth site, growing space, base portion is carried out to newborn Fructus Jujubae head and draws branch, for update after jujube tree training
Support high yield tree management.
Prune in conjunction with spring, according to the degree of strength of branch, different trim modes are taken to the newborn Fructus Jujubae head of new culture.
1st, to robust growth, base portion rugosity reaches more than 2.0 centimetres, the newborn Fructus Jujubae head that more than 1.0 meters of length, the Second Year spring
In season, wipe out 23 Secondary Branchs of topmost, promote it and sprout 2 newborn Fructus Jujubae heads again, one extends branch as major branch, and one as side
Branch culture, the major branch sagging to band girdle mouth tip, side shoot and fruit-bearing shoot cluster carry out cutting back, cut off 1/4 branch amount, on the one hand
Auxiliary foster effect is played to the innovation selected and remain, accelerates its growth, on the other hand keep normal setting fruit position, do not affect Second Year
Yield, florescence band girdle position select and remain update culture innovation rear end.Continue to note to new culture in the season of growth
Newborn Fructus Jujubae head carries out in good time pinching, to the 3rd year spring when updating the innovation base portion rugosity of culture more than 2.5-3 centimetre, will
The old and feeble major branch of former band girdle mouth tip, side shoot and fruit-bearing shoot cluster wipe out 1/2 amount, the 3rd year florescence band girdle return to elite tree do enterprising
OK, make newborn Fructus Jujubae head with result with being trained skeleton branch, wipe out original aging major branch, side shoot, knot to the 4th year spring
Fruit branch group.So the time of 3-4 just can complete rejuvenating task, reverts to original tree crown.
2nd, weaker to growing way, base portion rugosity below 1.5 centimetres, newborn Fructus Jujubae head below 1.0 meters of length, the Second Year spring
Season, retain the original major branch of band girdle mouth tip, side shoot, fruit-bearing shoot cluster, the florescence again band girdle when, continue select cultivate new life Fructus Jujubae head
Outer end, near upper 1 year band girdle mouth, control band girdle mouth tip major branch, side shoot, fruit-bearing shoot cluster continue result, concentrate further
Nutrition promotes the overstriking of innovation shoot, Gabor transform, and season of growth continuation carries out in good time pinching according to growth position, growing space,
Enrich the nutrition of new life branch further, improve load capacity.To the 3rd year spring prune when, when the major branch of new culture, side shoot,
When fruit-bearing shoot cluster base portion rugosity reaches more than 2.5 centimetres, the old and feeble major branch of former band girdle mouth tip, side shoot and fruit-bearing shoot cluster are wiped out
1/3 amount, florescence band girdle is carried out in the rear end of innovation shoot within the 3rd year, to the 4th year spring, by the master that former band girdle mouth tip is old and feeble
Branch, side shoot and fruit-bearing shoot cluster wipe out 1/2 amount, wipe out original aging major branch, side shoot, fruit-bearing shoot cluster to the 5th year spring.Warp
It's 4 years the pasting time completes rejuvenating, forms original tree crown, makes branch age return to the result stage of stalwartness again.
According to aforesaid operations technology while ensureing jujube tree normal outcome, every 3 to 5 years major branches to jujube tree, side shoot, knots
Fruit branch group updates once, or according to the indivedual major branch of every plant of jujube tree, side shoot, fruit-bearing shoot cluster aging degree carry out single update multiple
Strong, remain that tree old branch are not old, fruitful branch maintains the strong high-quality stage in age all the time, solve conventional using light update, in more
Newly, renewal etc. needs when updating to stop the foster tree of band girdle again, does not have a yield difficult problem, thus realizing the purpose of 2 years harvesting high-quality high-yields.Special
Not it is to be noted that completing major branch, side shoot, the rejuvenating of fruit-bearing shoot cluster must strengthened soil fertilizer and water management, do the prevention and control of plant diseases, pest control well
On the basis of carry out.
The new culture new life Fructus Jujubae head of table 2 robust growth is taken and is updated the growth result situation processing
Table 3 grows weaker new culture new life Fructus Jujubae head and takes and updates the growth result situation processing
As shown in upper table 2 and table 3, no matter the new culture new life Fructus Jujubae head in the application is robust growth or growth is weaker
Newborn Fructus Jujubae head, yield all increased, in contrast, the yield reduction of former aging branch, the application effect is significant.
Above-described embodiment simply to illustrate that the technology design of the present invention and feature, its objective is to be to allow in the art
Those of ordinary skill will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All
It is that equivalent change or modification are made according to the essence of present invention, all should cover within the scope of the present invention.
Claims (2)
1. the rejuvenating of old and feeble fruiting period jujube tree is neglected neither with result method it is characterised in that：(1) jujube tree enters fruiting period
Afterwards, to its skeleton branch, fruit-bearing shoot cluster, carry out autotelic culture and update, make all the time entirely to set fruit-bearing shoot cluster, Fructus Jujubae stock holding knot of strong age
The fruit stage；(2) to single plant yield in below 7.5kg, the jujube tree having been enter into old and feeble fruiting period is to major branch, side shoot, fruit-bearing shoot cluster, Fructus Jujubae
Stock is carried out with result, with renewal；(3) when jujube tree enters old and feeble fruiting period, the base portion of major branch, side shoot or larger result branch or back
Indivedual kryptoblast are at apical dominance, and green sprouting becomes newborn Fructus Jujubae head, and the newborn Fructus Jujubae head sprouted is trained new skeleton branch；
(4), after entering jujube tree full-bloom stage, carry out and band girdle is carried out to major branch, side shoot or larger result branch group, the position of band girdle is put into often
The outer end of individual base portion new life Fructus Jujubae head, at 0.3--0.8 centimetre, ring-peeling depth reaches xylem to band girdle width, and phloem is taken off；
(5) the first tenday period of a month in July to early August, the newborn Fructus Jujubae head to new culture, pinching is carried out according to growth power, strengthens secondary on Fructus Jujubae head
The overstriking of branch, Gabor transform；(6) mid-August and the last ten-days period, according to growth site, growing space, base portion is carried out to newborn Fructus Jujubae head and draw
Branch, for the jujube tree culture high yield tree management after updating.
2. period of decline result jujube tree rejuvenating according to claim 1 is neglected neither with result method it is characterised in that：
Also include spring pruning, to the new newborn Fructus Jujubae head cultivated according to different trim modes below the degree of strength of branch：
(1) to robust growth, base portion rugosity reaches more than 2.0cm, newborn Fructus Jujubae head more than length 1.0m, in Second Year spring,
Wipe out 23 Secondary Branchs of topmost, promote it and sprout 2 newborn Fructus Jujubae heads again, one extends branch as major branch, and one as side shoot
Culture, the major branch sagging to band girdle mouth tip, side shoot and fruit-bearing shoot cluster carry out cutting back, cut off 1/4 branch amount；By the 3rd year
Spring, when updating the innovation base portion rugosity of culture more than 2.5-3 centimetre, by the old and feeble major branch of former band girdle mouth tip, side shoot
Wipe out 1/2 amount with fruit-bearing shoot cluster, the 3rd year florescence band girdle can return to elite tree and do and carry out, and wiped out original to the 4th year spring
Old and feeble major branch, side shoot, fruit-bearing shoot cluster；
(2) weaker to growing way, newborn Fructus Jujubae head below below 1.5cm, length 1.0m for the base portion rugosity, in Second Year spring, right
The major branch of band girdle mouth tip, side shoot and fruit-bearing shoot cluster are not pruned, and retain primibranch amount and continue result；Second Year florescence band girdle
When, continue to select in the outer end being cultivated newborn Fructus Jujubae head, then carry out in good time pinching, enrich the nutrition of new life branch further, carry
High load capability, to the 3rd year spring prune when, when the major branch of new culture, side shoot, fruit-bearing shoot cluster base portion rugosity reach 2.5 centimetres
When above, the old and feeble major branch of former band girdle mouth tip, side shoot and fruit-bearing shoot cluster are wiped out 1/3 amount；Florescence band girdle mouth exists within 3rd year
The new innovation rear end updating culture is carried out, to the 4th year spring, by the old and feeble major branch of former band girdle mouth tip, side shoot and fruitful branch
Group wipes out 1/2 amount, and the 4th year florescence band girdle mouth returned to elite tree and do and carry out, and wiped out original old and feeble main to the 5th year spring
Branch, side shoot, fruit-bearing shoot cluster, florescence band girdle mouth is carried out on elite tree does within the 5th year.
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