CN103283554B - Method for landscaping by utilizing sweet persimmon trees - Google Patents

Abstract

The invention relates to a method for landscaping by utilizing sweet persimmon trees. The method includes the following steps of canopy frame setting-up, trimming and the like. By the method, the sweet persimmon trees can be planted in a manner like a peacock showing its tail, so that ornamental value is extremely high. The sweet persimmon trees are low in cost, high in ornamental value, supportive of flowering appreciating and fruit tasting and suitable for ecological gardens, courtyards and the like. By the method, dwarf culturing is realized, daily management is simple and convenient, time and labor are saved, full contact with light is realized, light energy utilization efficiency is effectively improved, and fruit quality is improved.

Description

A kind of method utilizing sweet persimmon to make scape

Technical field

The present invention relates to a kind of sweet persimmon cultivation method, be specifically related to a kind of method utilizing sweet persimmon to make scape.

Background technology

Along with the popularization of sweet persimmon culture technique, people keep on improving more to sweet persimmon plantation, by accurate field planting, accurately management and liquid manure utilization efficiently, obtain the sweet persimmon that quality is very high.In existing sweet persimmon cultivation, built technology is uncommon, mainly through pruning to sweet persimmon shaping, if building of frame combined with sweet persimmon plantation, easily easily instructing peasant household's operation, improving income.

At present along with the fast development of Agro-ecology garden, agricultural tour, the demand of agricultural being viewed and admired to the culture technique particularly culture technique of sweet persimmon increases day by day, for above-mentioned situation, inventor studies and has innovated a set of brand-new sweet persimmon and makes scape culture technique, for above-mentioned technology, prior art is not also openly reported.

Summary of the invention

The technical problem that the present invention mainly solves is to provide a kind of method utilizing sweet persimmon to make scape.

For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of method utilizing sweet persimmon to make scape, comprising:

(1) frame is built: this frame direction is that southern low north is high, comprise the some right cylinders of three rows, be respectively front column, central post and rear column, wherein front column, the height of central post and rear column is respectively 1m, 2m and 2.5m, and all bury 0.5 meter, material is angle bar, by steel pipe by a front column, two central posts and a rear column couple together composition one group of frame, and the angle between two steel pipes central post and front column coupled together is 120 °, above-mentioned two steel pipes become the inclination angle of 60 ° with relative level face, front column summit, described frame frame face is drawn in the net by No. 10 galvanized wires, 0.5 meter one, described galvanized wire interval, other group frame repeats to build successively,

(2) pruning

After seedling germinates, stay the most healthy and the strongest young sprout of 2 root growths upwards to grow, all the other buds are erased, and when young sprout grows to 20cm, near field planting seedling vertical slotting 2 bamboo poles respectively, are fixed on by young sprout on bamboo pole; When young sprout grows to 50cm, colligation is fixed on canopy face respectively, along iron wire forward growth, the colligation of length of side limit is fixed, these 2 young sprouts become 2 major branches of this tree, when major branch grows to frame top, by the pinching of major branch tip, be parallel to canopy face respectively in the both sides of major branch and be equipped with big-and-middle sprig group, bough group spacing 80cm, middle branch group spacing 30cm ~ 40cm, sprig group spacing 10cm ~ 20cm, make fruit-bearing shoot cluster even cloth shelfful face, major branch back does not stay bough group, for making major branch cloth shelfful face as early as possible, should keep major branch elongated shoot absolute predominance, angle is at about 50 °.Put major branch head light pruning is long, can not cut the elongated shoot with full terminal bud and cut, the angle of the raw branch group of strict control competitive branch and side, carry out mild bondage when young sprout grows to 60cm then, and note on same frame face, the raw branch group in side and major branch are 90 °, Later growth draws again ties up major branch elongated shoot, make major branch taperingness little and grow fast, keeping apical dominance, trees in richful production period notices that rotation upgrades the result major axis branch group of 3 ~ 5 years;

The water sprout of major branch back can length lower than bud picking during 15cm, because kryptoblast sprout time is inconsistent, need gradation to erase in early days.If grow to certain altitude, can wipe out from base portion, also pinching process repeatedly can be carried out, be trained small-sized fruit-bearing shoot cluster, prevent limb day from burning for major branch keeps the sun off, or retain 4 ~ 5 blades and carry out cutting back, also can suitably remove some overstocked side shoots, thorax ventilation and penetrating light in keeping.

The described method utilizing sweet persimmon to make scape also comprises flower and fruit management technology, is specially:

(1) flower measure, is protected: at the beginning of 7 months, spray 15% paclobutrazol, 400 ~ 500 times of liquid or 200 times of PBO mono-to secondaries, remove the too much young fruit of high yield tree of growing up, tree volume is made to tire out enough nutrients, be beneficial to flower bud differentiation, spray 0.2% potassium dihydrogen phosphate 5 ~ August and add 0.2% urea, to prosperous tree pinching, upright treetop is pulled into horizontal;

(2), flower and fruit protecting: (a) artificial pollination; B () is coated with base of fruit at young fruit period with 250ppm gibberellin.Execute 0.5% urea outside root (c) mid-June and add 0.2% potassium dihydrogen phosphate, in addition, can the kind having male flower of companion planting 10% to the weak kind of parthenocarpy power, to improve ripening rate;

(3), flower and fruit thinning

Flower thinning: fruit bearing shoot on one raw 2 ~ 4 flower time, from below, open person be maximum with the second flower the earliest, then should send out reservation second of trying one's best and spend during flower thinning; More if one blossomed, then the flower opened the earliest gradually pushes tip to, then should retain the third and fourth flower as far as possible, retain larger flower simultaneously as far as possible during flower thinning, to little Hua or weak spend to dredge go;

Fruit thinning: 7 ~ August after second time shedding carries out fruit thinning, large fruit kind is by 20 leaves, 1 fruit, and middle small fruit type kind stays 1 fruit by 15 blades, makes each portion of tree crown fruit evenly, balance burden simultaneously.

The invention has the beneficial effects as follows: the sweet persimmon cultivation method working out the extremely strong picture Peacock tail spreading type of a kind of sight of the invention, drop into low, sight is strong, can admire the beauty of flowers and taste fruit, daily management is easy, reduce the height of tree, achieve dwarfing culture, time and labour saving, fully contact with light, effective raising light-use, nutrient can operate by picture fruit fully, and fruit quality is high, commodity good.Be applicable to ecological park, garden etc.

Accompanying drawing explanation

Fig. 1 is the isometric front view of the present invention's one group of frame.

Fig. 2 is the end view of frame of the present invention.

In accompanying drawing, B is front column, and A, C are central post, and D is rear column, and a, b, c are respectively steel pipe

Embodiment

Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.

The embodiment of the present invention comprises:

The enforcement time: 2010 ~ 2012

Implement place: white rabbit garden, Jiangsu Hilly Ground Zhenjiang Agriculture Science Research Institute

(1), instantiation is implemented:

Select kind: secondary youth.

(2) concrete cultivation method, comprising:

(1) field is selected: the growth of sweet persimmon requires >=10 DEG C of annual accumution more than 5000 DEG C, 7 ~ August maximum air temperature < 40 DEG C, annual rainfall is at more than 700mm.Select more than relative elevation 500m, April without the mountain area of cold in the late spring, leeward on the sunny side, physical features has the place at water source ideal around gently.Sweet persimmon accumulated temperature is not enough, then can not take away the puckery taste completely.Temperature is too high, and the thick and stiff water of pulp matter is few.7 ~ August high-temperature time long very easily produce burn day, dehiscent fruit, mushy fruit, shedding.Sweet persimmon requires not tight to soil, various soil all can be planted, but requires that soil layer is deep, and salt content is low, pH value 5 ~ 7.5, has irrigation conditions and draining plot easily.

(2) frame is built: this frame direction is that southern low north is high.Comprise the some right cylinders of three rows, be respectively front column B, central post A, C and rear column D, wherein B, the height of AC and D is respectively 1m, 2m and 2.5m, and all bury 0.5 meter, material is angle bar, ABCD coupled together composition one group of frame by steel pipe abc, and the angle between coupled together by AC and B two steel pipe ab is 120 °, above-mentioned two steel pipe ab become the inclination angle of 60 ° with relative level face, front column B summit, and described frame frame face is drawn in the net by No. 10 galvanized wires, 0.5 meter one, described galvanized wire interval; Other group frame repeats to build successively.

(3) planting pit is dug: dig straight through being the large cave of 100cm × 100cm × 80cm before planting point and front column B, it is fertile that bottom uses sufficient thick farm organic fertilizer straw hurdle, and imbed weeds backfill part table soil to 2/3, then often spread manuer in holes into thin fertilizer 25kg, the fused calcium magnesium phosphate 0.5kg of becoming thoroughly decomposed, and stir well even with table soil, answer fine earth again, train into the mound that distance ground 15cm ~ 20cm is steamed bun shape.

(4) field planting: the seedling planting time annual September to next year 3 monthly can, still with 10 ~ November for the best.Select local suitable sweet persimmon kind time youth, require that nursery stock kind is pure, root system is complete, without contracting wrinkle, not damaged, the healing of anvil stake clip ring-type is good, without damage by disease and insect.Prune seedling root and with the Rooting Powder solution root immersion of 1000mg/L, to promote the sprouting of new root after planting.The graft strip of transferring interface to be torn before putting seedling.

Its root system will be allowed during cultivation to unfold, and tread, water permeable, ridging insulation covering with plastic film heat, in order to the quickly-healing of root system wound.Guarantee robust growth next spring.Surely to select and remain time dry 4 full buds, generally stay 20cm height, make it downgrade as far as possible.During field planting in autumn, grafting mouth buries in people's soil through ridging, takes off soil next spring and drops out ground more than 5cm.The seedling of field planting in spring can must be heeled in by after the process of above method root system through autumn and winter lifting, grows fast in order to root system after spring seedling planting.

(5) pollinated variety

The most kind of sweet persimmon only has female flower, but can parthenocarpy, need not companion planting pollinated variety, as the kind time youth adopted in embodiment.But still have minority kind fruit-setting rate low, plant male flower kind and can obtain high yield.Select pollinated variety, namely basically identical with the main breed florescence, pollen affinity is strong, and after pollination, percentage of fertile fruit is high mutually, the kind that self economic worth is also high.By adjacent with main breed for pollinated variety field planting.

(6) rich water quality management

Water: will water after field planting is good, water will irrigate.After 3 ~ 4 days, the work such as righting, ridging is carried out to field planting poor quality person, and then water once, to guarantee to survive.At ordinary times during daily management when water capacity lower than 15% ~ 20% time, must pour water.The method such as pouring, tubule short stream, drip irrigation can be adopted.Watering time mainly budding period, young fruit expand and Drought in Autumn time.

Fertile: in conjunction with drought resisting before field planting the 2nd root growth in the 1st year August, it is main that thin fertile duty imposes instant nitrogenousfertilizer, later stage cooperation phosphorus potash fertilizer waters to be executed, and every 10 days 1 time, mid-September, stopping was used.Urea 5g is executed in each strain, potassium dihydrogen phosphate 4g, and in conjunction with loose stool water, the quick growth and the branch that are beneficial to root system September enrich.

In mid-May, the 2nd executes 1 quick-acting tip-promoting fertilizer, the additional loose stool of every strain urea 10g potassium dihydrogen phosphate 6g and the cake fertilizer after fermenting.Be beneficial to the quick robust growth of branch, promote flower bud differentiation.

Within 3rd year, have most shoot to start to bear fruit, now, should increase Potassium Fertilizer and add a small amount of boron fertilizer, note spending front fertilizer mid-April, the few potassium of many nitrogen enriches multielement micro-fertilizer.Fruit-promoting fertilizer at the beginning of by the end of June ~ 7 months, the few nitrogen of many potassium.

The management of high yield bearing tree, within 4 ~ 5 years, sweet persimmon starts to enter the phase of abounding with, now because fruit is large, output is high.Should according to Growth status situation during fertilising.The formula rate of adjustment nitrogen, phosphorus, potassium and micro-fertilizer, fertilizer.Spring imposes micro-fertilizer and quick-acting fertilizer in good time, heavy dressing in summer fruit-promoting fertilizer, autumn deep placement fertilizer.Spend front fertilizer, early April by the end of March, can inspire shoot growth for 1st time, blade increases, and guarantees nutrient abundance of blooming.Fertilizing amount accounts for annual 25%, and enrich quick-acting N P and K and borax and multielement micro-fertilizer, every strain urea 100g, potassium sulfate 100g, phosphate fertilizer 50g, borax 5g and a small amount of multielement micro-fertilizer, shallow annular groove applies.2nd fruit-promoting fertilizer, by the end of June at the beginning of 7 months, use every strain before Withdrawal and to become thoroughly decomposed dish cake 5kg, urea 100g, superphosphate 150g, potassium sulfate 150g, after Homogeneous phase mixing, the radial shallow ridges that digs applies, fertilizing amount accounts for annual 50%, promotes that young sprout enriches, flower bud differentiation and fruit expand fast.Before 3rd time basal dressing is fallen leaves after adopting.By the end of October to early November at the sagging place of tree crown, the dark annular groove of the wide 40cm of 40cm is dug in periphery, and it is fertile and add quicklime 0.5kg that every strain applies 500kg hurdle, imbeds weeds in conjunction with clear garden.In addition repeatedly spray at florescence and young fruit period in conjunction with pesticide multi-element leaf fertilizer 800 times or 0.3% urea+0.2% potassium dihydrogen phosphate.In the past chemical herbicide was adopted June to orchard weed, mows at the beginning of 9 months and cover root.Hoe up weeds for 10 ~ November garden (ploughing deeply every 2 years 1 time) clearly.

(7) pruning

After seedling germinates, stay the most healthy and the strongest young sprout of 2 root growths upwards to grow, all the other buds are erased, and when young sprout grows to 20cm, near field planting seedling vertical slotting 2 bamboo poles respectively, are fixed on by young sprout on bamboo pole; When young sprout grows to 50cm, colligation is fixed on canopy face respectively, and along iron wire forward growth, the colligation of length of side limit is fixed, and these 2 young sprouts become 2 major branches of this tree, when major branch grows to frame top, by the pinching of major branch tip.Be parallel to canopy face respectively in the both sides of major branch and be equipped with big-and-middle sprig group, bough group spacing 80cm, middle branch group spacing 30cm ~ 40cm, sprig group spacing 10cm ~ 20cm, make fruit-bearing shoot cluster even cloth shelfful face.Major branch back does not stay bough group.For making major branch cloth shelfful face as early as possible, should keep major branch elongated shoot absolute predominance, angle is at about 50 °.Put major branch head light pruning is long, can not cut the elongated shoot with full terminal bud and cut.The angle of the raw branch group of strict control competitive branch and side, carries out mild bondage when young sprout grows to 60cm then, and notes on same frame face, and the raw branch group in side and major branch are 90 °.Later growth draws again ties up major branch elongated shoot, makes major branch taperingness little and grows fast, keeping apical dominance.Trees in richful production period notices that rotation upgrades the result major axis branch group of 3 ~ 5 years.

The water sprout of major branch back can length lower than bud picking during 15cm, because kryptoblast sprout time is inconsistent, need gradation to erase in early days.If grow to certain altitude, can wipe out from base portion, also can carry out pinching process repeatedly, be trained small-sized fruit-bearing shoot cluster, prevent limb day from burning for major branch keeps the sun off, or reservation 4 ~ 5 blades carry out cutting back.Also can suitably remove some overstocked side shoots, thorax ventilation and penetrating light in keeping.

(8) flower and fruit management

1., protecting flower measure to obtain high yield, enough buds must be had.Especially set and prosperous tree childhood, in order to early fruiting and high yield, some chemistry and agricultural measures must be taked, to promote flower bud differentiation, make it the bud of amount in being formed, for high yield in the coming year is prepared.Short spending must be more prosperous at tree vigo(u)r, carries out under the condition of rich water abundance.Generally in annual July physiological flower bud differentiation phase carry out.Common method has: (a), spray 15% paclobutrazol, 400 ~ 500 times of liquid or 200 times of PBO mono-to secondaries at the beginning of 7 months, the Novel fruit-tree foliage fertilizer PBO that described PBO produces purchased from Hua Ye agricultural science and technology Co., Ltd of Jiangyin City.(b), remove grow up high yield tree too much young fruit, make tree volume tire out enough nutrients, be beneficial to flower bud differentiation.(c), 5 ~ August spray 0.2% potassium dihydrogen phosphate and add 0.2% urea.(d), to prosperous tree pinching, upright treetop is pulled into horizontal.

2., flower and fruit protecting due to sweet persimmon kind parthenocarpy strong and weak different, and planting formation power, also to have height to have low, thus all carries out flower and fruit protecting to the weak kind of some parthenocarpy power and the less orchard of flower amount.Persimmon shedding has 2 ~ 3 peaks, about 3 weeks (late June) after Sheng is spent first time, the of poor quality and poor pollination that its Reason of fruit shedding is mainly spent caused, and rear twice premature drop boom is in July, third time, rear twice shedding is main was caused by environment and nutrition in 8 ~ September.On reinforcement rich water quality management basis, chemical measure can be adopted to protect and to look into.(a), artificial pollination.(b), spray 50ppm gibberellin 7 ~ August at young fruit period, can shedding be reduced, especially be coated with base of fruit effect with 250ppm gibberellin best.(c), mid-June outside root, execute 0.5% urea and add 0.2% potassium dihydrogen phosphate, the concentration of all the other trace elements available 0.1% ~ 0.2%.In addition, can the kind having male flower of companion planting 10% to the weak kind of parthenocarpy power, to improve ripening rate.

3., flower and fruit thinning

The sweet persimmon result of flower thinning is too much, then fruit is little shoddy, and shedding is many.Thus, the kind large to flower amount, removed the bud crossed or flower in flowering stage, in order to avoid nutrient waste, to promoting that the developmental capacity of fruit is remarkable.During flower thinning, should according to the length of kind, fruit bearing shoot, growing way and on fruit bearing shoot the male character types in Chinese operas, usu. referring tov the bearded character degree and have difference.Female flower is sent out in general early stage opening, and the fruit of knot physically well develops.Fruit bearing shoot on one raw 2 ~ 4 flower time, from below, open person be maximum with the second flower roughly the earliest, then should send out reservation second of trying one's best and spend during flower thinning.More if one blossomed, then the flower opened the earliest gradually pushes tip to, then should retain the third and fourth flower during flower thinning as far as possible.Retain larger flower simultaneously as far as possible, can dredge little Hua or weak spending.

The sweet persimmon improved seeds of fruit thinning generally can result 1 ~ 3 on a fruit bearing shoot, and on surging fruit bearing shoot, also have result more than 3, but when result is too much, often occurs biennial bearing.In order to make it be annual fruiting, to save nutrient, fruit thinning should be carried out 7 ~ August after second time shedding.Fruit amount is stayed to determine according to kind, tree vigo(u)r, age of tree tree crown size and cultivation step.General large fruit kind is by 20 leaves, 1 fruit, and middle small fruit type kind stays 1 fruit by 15 blades.Make each portion of tree crown fruit evenly, balance burden simultaneously.

(9) bagging

Bagging when fruit has a thumb head size, casing material adopts the capable bagging of translucent fruit bag, can prevent insect pest and bird pest, can improve again the vividness of fruit appearance color and luster, quality and commodity.A sterilization, insecticide should be sprayed before bagging.Bag can be removed by 15d ~ 20d before adopting.

(10) gather

Quality of must gathering when endoplasm is not yet softening until persimmon fruit crust turns red is good, and the most suitable harvest date is the initial stage that pericarp is reddening.The method of gathering has two kinds: one to be folding branch method; Two is pluck fruit method, and this method can not hinder fruit branch, and the branch making some be annual fruiting is retained, and should be main in this way when gathering.

(11) extermination of disease and insect pest

Main diseases and insect pests has leaf spot of kaki, anthracnose of kaki, persimmon fruit moth, persimmon giant coccid, Eriococcus kaki etc.Prevention and elimination of disease and pests should be in accordance with " put prevention first, integrated control " and " controls early, it is little to control, controlled " principle.Before germinateing spring, spray 15 Baume degrees lime sulfur, root out survive the winter bacterium source and worm source; Zhan Ye sets upper spray 25% buprofezin wetting powder 1500 times of liquid before blooming, control Eriococcus kaki, persimmon giant coccid; Late May to mid-August attention control persimmon fruit moth, gypsymoth etc., medicament can with the little missible oil of 30% peach 1500 times of liquid; Early June, to September, sprayed 1 bactericide every 15 days, as 1: 5: 400 times of bordeaux mixture, and 50% carbendazol wettable powder 800 times, 70% mancozeb wettable powder 600 times, prevents and treats anthracnose of kaki, leaf spot of kaki etc.; To turn over before entering the winter tree dish, eliminate Overwintering Larvae; Enter the time in Winter Solstice, cleaning fallen leaves, weeds, sick fruit, wipe out disease branch, strike off tree Lao Pi, concentrate and burn, to eliminate survive the winter bacterium source and worm source.

(3) implementation result

The conventional cultivation i.e. sweet persimmon of three major branch natural opening cardioid cultivations is compared.Table 1 is found out, current increment is comparatively remarkable compared with the control.

Table 1: increment inventory table (2010, annual)

As shown in Table 2, the sweet persimmon of cultivating under this cultivation method is apparently higher than contrast on single fruit weight, soluble solid content, and this cultivation method fully effectively can utilize luminous energy as seen, promotes plant vegetative growth and reproductive growth.

Table 2: fruit bearing habit information slip (2012, life in 3 years)

Kind	Single fruit weight g	Soluble solid content %
			Secondary youth	239.1	13.1
Secondary youth (contrast)	224.5	12.3

The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (2)

1. utilize sweet persimmon to make a method for scape, it is characterized in that, comprising:

(1) frame is built: this frame direction is that southern low north is high, comprise the some right cylinders of three rows, be respectively front column, central post and rear column, wherein front column, the height of central post and rear column is respectively 1m, 2m and 2.5m, and all bury 0.5 meter, material is angle bar, by steel pipe by a front column, two central posts and a rear column couple together composition one group of frame, and the angle between two steel pipes central post and front column coupled together is 120 °, above-mentioned two steel pipes become the inclination angle of 60 ° with relative level face, front column summit, described frame frame face is drawn in the net by No. 10 galvanized wires, 0.5 meter one, described galvanized wire interval, other group frame repeats to build successively,

(2) pruning

After seedling germinates, stay the most healthy and the strongest young sprout of 2 root growths upwards to grow, all the other buds are erased, and when young sprout grows to 20cm, near field planting seedling vertical slotting 2 bamboo poles respectively, are fixed on by young sprout on bamboo pole; When young sprout grows to 50cm, colligation is fixed on canopy face respectively, along iron wire forward growth, the colligation of length of side limit is fixed, these 2 young sprouts become 2 major branches of this tree, when major branch grows to frame top, by the pinching of major branch tip, be parallel to canopy face respectively in the both sides of major branch and be equipped with big-and-middle sprig group, bough group spacing 80cm, middle branch group spacing 30cm ~ 40cm, sprig group spacing 10cm ~ 20cm, make fruit-bearing shoot cluster even cloth shelfful face, major branch back does not stay bough group, for making major branch cloth shelfful face as early as possible, should keep major branch elongated shoot absolute predominance, angle is at about 50 °; Put major branch head light pruning is long, the elongated shoot with full terminal bud is not cut and cuts, the angle of the raw branch group of strict control competitive branch and side, carry out mild bondage when young sprout grows to 60cm then, and note on same frame face, the raw branch group in side and major branch are 90 °, Later growth draws again ties up major branch elongated shoot, make major branch taperingness little and grow fast, keeping apical dominance, trees in richful production period notices that rotation upgrades the result major axis branch group of 3 ~ 5 years;

The water sprout of major branch back in early days length lower than bud picking during 15cm, because kryptoblast sprout time is inconsistent, need gradation to erase, if grow to certain altitude, can wipe out by base portion, also pinching process repeatedly can be carried out, be trained small-sized fruit-bearing shoot cluster, prevent limb day from burning for major branch keeps the sun off, or reservation 4 ~ 5 blades carry out cutting back, the side shoot overstocked to some suitably removes, thorax ventilation and penetrating light in keeping.

2. the method utilizing sweet persimmon to make scape according to claim 1, is characterized in that, also comprise: flower and fruit management technology, is specially:

(1) flower measure is protected: at the beginning of 7 months, spray 15% paclobutrazol, 400 ~ 500 times of liquid or 200 times of PBO mono-to secondaries, remove the too much young fruit of high yield tree of growing up, tree volume is made to tire out enough nutrients, be beneficial to flower bud differentiation, spray 0.2% potassium dihydrogen phosphate 5 ~ August and add 0.2% urea, to prosperous tree pinching, upright treetop is pulled into horizontal;

(2) flower and fruit protecting: (a) artificial pollination; B () is coated with base of fruit at young fruit period with 250ppm gibberellin; Execute 0.5% urea outside root (c) mid-June and add 0.2% potassium dihydrogen phosphate, in addition, to the kind having male flower of the weak kind companion planting 10% of parthenocarpy power, to improve ripening rate;

(3) flower and fruit thinning

Flower thinning: fruit bearing shoot on one raw 2 ~ 4 flower time, from below, open person is maximum with the second flower the earliest, then should retain the second flower during flower thinning as far as possible; More if one blossomed, then the flower opened the earliest gradually pushes tip to, then should retain the third and fourth flower as far as possible, retain larger flower simultaneously as far as possible during flower thinning, to little Hua or weak spend to dredge go;

Fruit thinning: 7 ~ August after second time shedding carries out fruit thinning, large fruit kind is by 20 leaves, 1 fruit, and middle small fruit type kind stays 1 fruit by 15 blades, makes each portion of tree crown fruit evenly, balance burden simultaneously.