CN103380704A - Safety tangerine girdling fruit retention method - Google Patents
Safety tangerine girdling fruit retention method Download PDFInfo
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Abstract
The invention relates to a safety tangerine girdling fruit retention method. During two weeks from the beginning of an early flowering phase of tangerine to flower withering, when it does rain and no rain water exists on a tangerine tree, at the smooth position of a large branch or a trunk, a bark is girdled in a winding mode, a girdling opening is formed and wrapped tightly by a clean plastic film until a brand new complete bark layer is grown out again at the girdling opening after 70-80 days, and the film is removed. The method has no obvious effects on tangerine root growth and tree vigor and the like, can effectively reduce physiological fruit drop of fruitlets of a seedless tangerine variety and can prevent excessive fruitlets from dropping physiologically due to the fact that the growth vigor of the seedless tangerine variety is too prosperous, so that yield is improved by 29.4-199.2%. Soluble solid content in juice has no significant difference compared with that of tangerines on a tree which is not girdled. The method is simple, economical and practical and suitable for large-scale popularization.
Description
Technical field
The present invention relates to a kind of safe oranges and tangerines band girdle fruit retention method, particularly a kind of for few seed with without the oranges and tangerines band girdle fruit retention method of the safety of seed Citrus Cultivars young fruit physiological fallen fruit.
Background technology
Oranges and tangerines are one of China's advantageous agricultural products of national planning.2011, China's oranges and tangerines area and output were all ranked the first in the world, and area reaches 2,944 ten thousand tons of 3,432 ten thousand mus, output.But, oranges and tangerines at florescence and young fruit period to environment sensitive, if meet with the anomalous weathers such as overcast and rainy continuous, arid or high temperature, most of few seed and serious young fruit physiological fallen fruit can occur without seed Citrus Cultivars (as satsuma mandarin, navel orange etc.) causes the output even total crop failure that falls sharply.For example, Lingchuan County, nineteen eighty-three Guangxi is thanked to the florescence at oranges and tangerines and abnormal high temperature occurred, and young fruit drops in a large number, causes this year whole county satsuma mandarin output to be fallen greatly, only reaches 2/3 of last year in the normal time; Oranges and tangerines florescence in 1988 young fruit period meets abnormal high temperature, makes the output in national satsuma mandarin producing region compare the underproduction 50%～80% with last year; 2006, navel orange producing region, south, Jiangxi met with abnormal high temperature low humidity weather at young fruit period, caused that the navel orange young fruit comes off really in a large number, lacks hillside fields, the underproduction then of sand ground orchard of irrigating over half; Oranges and tangerines were bloomed the phase of bearing fruit in 2012, and the most of oranges and tangerines of China producing regions meets with long-term low temperature overcast and rainy day weather, causes a large amount of young fruit physiological fallen fruits, the underproduction such as national navel orange, Nanfeng orange and granulated sugar tangerine approximately 1/3.Even the normal time if most of Citrus Cultivars tree vigo(u)r is more prosperous, young fruit also easily occurs and comes off in a large number, cause the significantly underproduction.Therefore, prevent the excessive shedding of oranges and tangerines young fruit, necessary on producing.
At present, the method that be used for to reduce the young fruit physiological fallen fruit on Orange Producing mainly contains: the florescence to thank spend after approximately spraying oranges and tangerines fruit preservative, limb girdling and limb band girdle in two weeks.The oranges and tangerines fruit preservative mainly contains gibberellin and the large class plant growth regulator of the basic element of cell division two.Although the effect of fruit preservative is better, cost is higher, and the fruit preservative of oranges and tangerines orchard spraying of growing up needs 35～70 yuan/mu of medicament expenses, and labour cost is more than 30 yuan/mu, and some orchards need spraying 2～3 times; Another shortcoming of fruit retention is, if the spraying number of times is too much, or spraying concentration is too high, or dry weather during spraying, can cause that all pericarp is slightly thick, and taste of fruit is descended.
Existing oranges and tangerines limb (bough or trunk) girdling fruit retention method, with sharp cutter girdling cortex 1～3 circle on trunk or bough, the girdling degree of depth reaches xylem (wood), cut off the phloem transport tissue of cortex, stop the synthetic photosynthetic product of blade to be transported to root system, thereby more photosynthetic product is transported in young fruit, promote growth of young to grow, improve the anti-exfoliation ability of young fruit, minimizing comes off.The method of girdling fruit retention is simple, to setting body almost without injury; Shortcoming is will soon heal after the cortex girdling, make the phloem transport of cortex organize connection again, the synthetic photosynthetic product of blade continues to transport to root system, thereby affect the fruit retention effect, cause girdling to preventing the physiological fallen fruit weak effect of oranges and tangerines young fruit, unless girdling in every 7～10 days once, girdling is 6～8 times continuously, just have better effects.Yet in present significantly decline situation of rural laborer's quality and quantity, this method obviously has been difficult to carry out.
Existing oranges and tangerines limb band girdle method is that the girdling degree of depth reaches xylem with sharp cutter girdling two circles on trunk or bough, then pulls down the cortex between girdling two circles, forms band girdle mouth; Or directly with fruit-tree girdling knife band girdle one circle, form band girdle mouth; Band girdle mouth width 2mm～3mm, band girdle mouth is not wrapped up, and is exposed in natural environment.Because band girdle has removed a circle cortex (containing the phloem transport tissue on this circle cortex), stoped the transhipment of photosynthetic product to root system, make more photosynthetic product be transported to young fruit, be conducive to growing of young fruit, to reducing oranges and tangerines young fruit physiological fallen fruit, improve fruit-setting rate and output has good result, and operate fairly simple, cost is low.But being the band girdle width, the major defect of this band girdle method is difficult to grasp.No matter be that the band girdle mouth width all is difficult to be controlled at below 2mm with common sharp cutter or special-purpose fruit-tree girdling knife, usually all more than 2mm.The band girdle mouth of this exposure, its healing rate is subject to the impact of the factors such as tree vigo(u)r, the age of tree, result quantities and weather.In same orchard, even all the exposure band girdle mouth width of mandarin tree is all 2mm, but the band girdle mouth healing time of different individual plants do not wait in 3～6 months (April the early and middle ten days band girdle words, July, early and middle ten days was to early and middle ten days healing in October), more than part band girdle mouth healing time needs half a year, a small amount of need are separately arranged more than 1 year.Generally, the band girdle mouth of mandarin tree can affect root growth, thereby affect oranges and tangerines to the absorption of soil nutrient and moisture what heal not yet by the end of August, causes tree vigo(u)r to die down; Band girdle mouth can cause blade yellow, vein enlargement, fallen leaves and the decline of tree body what early and middle ten days healed not yet October; Also do not heal more than 1 year, deadwood occurs and even extremely set.At present, adopt the citrus orchard of conventional band girdle method fruit retention, the band girdle mouth width mostly is greatly 2～3mm, this band girdle mouth August can heal fully less than 85%, October early and middle ten days still have the band girdle mouth of 10% left and right not heal fully, to such an extent as to even extremely tree of the sick tree such as odd weak tree, Huang Yeshu, deciduous tree, deadwood tree often appears in the band girdle orchard, this phenomenon is very common with the orchard of band girdle method fruit retention on Guangdong, Guangxi and other places.Make the fruit retention effect that band girdle is obtained not affect again tree vigo(u)r, must be at oranges and tangerines florescence (being generally the early and middle ten days in April) to thank spend after 1～2 week (being generally the early and middle ten days in May) band girdle, after the young fruit physiological fallen fruit finishes, (being generally the early and middle ten days in July) band girdle mouth heals fully, but present band girdle method is difficult to accomplish.
Summary of the invention
The object of the present invention is to provide a kind of oranges and tangerines young fruit physiological fallen fruit that namely can be used for reduce, can prevent again can not in time the heal band girdle fruit retention method of safety that the even dead tree of sick tree occurs of mandarin tree band girdle mouth.
The objective of the invention is to realize by such technical scheme, a kind of safe oranges and tangerines band girdle fruit retention method, it is characterized in that: begin to spend in rear two weeks to thanking from the initial bloom stage of oranges and tangerines, choosing is without on rainy day gas, mandarin tree during without rainwater, at bough or trunk smooth place, pitch of the laps band girdle cortex, form band girdle mouth, described band girdle mouth packs tightly with clean plastic film, until after 70～80 days, band girdle mouth regrows out till brand-new complete cortex, then removes film.
Described initial bloom stage from oranges and tangerines begin to thank spend after in two weeks, refer to that in China the April early and middle ten days is to the early and middle ten days in May; Described band girdle mouth packs tightly with clean plastic film and refers to that the July early and middle ten days is to early August after 70～80 days.The purpose that plastic film packs tightly be for keep band girdle mouth moistening, accelerate cortex and regenerate and prevent that the dirt such as rainwater from entering band girdle mouth.
Described band girdle mouth is with common sharp cutter, trunk or 2 pitch of the laps ring cutting cortexes of the smooth place's selection of bough at oranges and tangerines, ring tangent point spacing 2mm～4mm reaches xylem deeply, then perpendicular partial application between two ring cutting circles, equally deeply reach xylem, insert perpendicular otch with point of a knife, lever up the cortex between two ring cutting circles, it is pulled down, expose the wide xylem of 2mm～4mm between two ring cutting circles, form band girdle mouth.
Perhaps adopt the fruit-tree girdling knife of stripping mouthful width 2mm～4mm, at bough or trunk smooth place band girdle one circle cortex, expose the wide xylem of 2mm～4mm, form band girdle mouth.
Fruit retention best results when particularly the band girdle mouth width is 3mm.
Owing to having adopted technique scheme, the present invention has advantages of as follows:
1. the present invention is at the trunk of oranges and tangerines or bough smooth place, and pitch of the laps band girdle cortex can stop photosynthetic product to transport to root system, makes young fruit obtain more nutrients, thereby reduces the young fruit physiological fallen fruit; The circle xylem (band girdle mouth) that the band girdle cortex exposes packs tightly with film, keeps moistening, accelerates healing, makes oranges and tangerines young fruit physiological fallen fruit finish rear band girdle mouth and can heal and form brand-new complete cortex, the not obvious tree vigo(u)r that affects.The present invention can effectively reduce the young fruit physiological fallen fruit without the seed Citrus Cultivars, also can be used for preventing the excessive young fruit physiological fallen fruit that few seed Citrus Cultivars causes because growing way is too vigorous, thereby improves output, and volume increase reaches 29.4%～199.2%.
2. the present invention is to mandarin tree safety, initial bloom stage to thank spend after the wide cortex of band girdle 2mm～4mm in two weeks, the band girdle mouth brand-new complete cortex that can regrow out after 70～80 days has no significant effect root growth and tree vigo(u)r etc.
3, the present invention has no adverse effects to the citrusfruit quality, and after this method was used in evidence, the soluble solid content in fruit juice was compared with the contrast of band girdle not, without significant difference.
4. the inventive method is simple, and is economical and practical, is suitable for large-scale promotion.
Embodiment
Mode below by embodiment further illustrates the present invention, and described embodiment is only as explanation of the present invention, within therefore not limiting the present invention to described scope of embodiments.
Embodiment 1: a kind of safe oranges and tangerines band girdle fruit retention method: begin to spend in rear two weeks to thanking from the initial bloom stage of oranges and tangerines, choosing is without on rainy day gas, mandarin tree during without rainwater, at the smooth place of trunk, with sharp common fruit tree grafting knife, ring cutting trunk cortex two circles, deeply reach xylem, the spacing 4mm between ring cutting two circles; Then perpendicular partial application between Liang Quan, deeply reach xylem, insert perpendicular otch with point of a knife, lever up the cortex between two circles, it is pulled down, expose the xylem of a circle width 4mm, form the band girdle mouth of width 4mm, then the clean agricultural mulching with thickness 6 μ m packs tightly band girdle mouth, until after 70～80 days, band girdle mouth regrows out till brand-new complete cortex, then removes film.
Embodiment 2: a kind of safe oranges and tangerines band girdle fruit retention method: begin to spend in rear two weeks to thanking from the initial bloom stage of oranges and tangerines, choosing is without on rainy day gas, mandarin tree during without rainwater, at the smooth place of bough, fruit-tree girdling knife with stripping mouthful width 3mm, to bough band girdle one circle cortex, the xylem that exposes a circle width 3mm, form a wide band girdle mouth of circle 3mm, then the clean agricultural mulching with thickness 4 μ m packs tightly band girdle mouth, until after 70～80 days, band girdle mouth regrows out till brand-new complete cortex, then remove film.
The described initial bloom stage from oranges and tangerines of embodiment 1 and embodiment 2 begin to thank spend after in two weeks, refer to that in China the April early and middle ten days is to the early and middle ten days in May; Described band girdle mouth packs tightly with clean plastic film and refers to that the July early and middle ten days is to early August after 70～80 days.
The below tests 1～4th, and the oranges and tangerines band girdle fruit retention method of the safety by adopting embodiment 1 or embodiment 2 illustrates reducing the impact of doing the used time of emerging Tianjin satsuma mandarin (without seed), friend's Na navel orange (without seed), brocade orange (few seed) and Niu Heer navel orange (without seed) young fruit physiological fallen fruit.Compare with Comparative Examples 1 and Comparative Examples 2 simultaneously, the effect that adopts embodiment 1 and embodiment 2 method fruit retentions is described.
Comparative Examples 1 (conventional band girdle method): at the smooth place of trunk, with sharp common fruit tree grafting knife, ring cutting trunk cortex two circles, deeply reach xylem, the spacing 3mm between ring cutting two circles, then perpendicular partial application between Liang Quan, deeply reach xylem, cortex between ring cutting two circles is pulled down, exposed xylem, form the band girdle mouth of width 3mm.Band girdle mouth exposes, and does not wrap up.
Comparative Examples 2 (contrast): whole strain tree does not carry out any band girdle, does not carry out other fruit retention method yet and processes.
Test 1
Adopt the oranges and tangerines band girdle fruit retention method of safety, to reducing the effect of emerging Tianjin satsuma mandarin (without seed) young fruit physiological fallen fruit.
1, materials and methods
Tested in 2010～2011 years and carry out in Beibei, chongqing oranges and tangerines research institute's test garden, soil types is the purple earth of subacidity, and kind is trifoliate orange anvil emerging Tianjin satsuma mandarin, spring field planting in 1984,3 * 5 meters of seeding row spacings, well-grown.At the beginning of 2010 4 months, the 21 strains test trees that tree crown size is close with growing way are divided into 7 groups, and every group of 3 strain (individual plant residential quarter, 3 repeat) are processed or contrasted for one group one.At the florescences of 2010～2011 years and young fruit period, pressed embodiment 1, embodiment 2 in continuous 2 years, Comparative Examples 1 method (conventional band girdle) is processed; Comparative Examples 2 is contrast, does not carry out any band girdle processing or other fruit retention method and processes (seeing Table 1-1).The cultivation management condition of all test trees is identical.
Fructescence (late October) picking fruit, statistics individual plant fruit quantity is also weighed.Before gathering in all directions of every strain tree 5 orientation adopt at random 2 fruits, 10 fruits of every strain, every processing or contrast 3 strains totally 30 fruits (3 repeat, 10 fruits of every repetition) is measured fruit soluble solids content with Abbe refractometer.
Test data is analyzed the significance of difference through the STAT statistical software.
Table 1-1
2, result of the test
The test of continuous 2 years shows, adopt the coating annular stripping method of embodiment 1 and embodiment 2 to reducing emerging Tianjin satsuma mandarin young fruit physiological fallen fruit effective (data see Table 1-2), than the not contrast of band girdle (Comparative Examples 2) volume increase 350%～106.4%, production-increasing function is remarkable, and tree vigo(u)r is had no adverse effects.Although conventional band girdle method (Comparative Examples 1) is also fine in the effect of increasing production of First Year, than the not contrast volume increase 83.1%～100.5% of band girdle, but, its band girdle mouth is in healing fully not yet by the end of September then, the synthetic photosynthetic product of blade is subject to the impact of long period to the conveying of root system, Root growth is obstructed, causes the enlargement of part vein, tree vigo(u)r to die down; Second Year continues conventional band girdle (Comparative Examples 1), and tree vigo(u)r further dies down, and occurs than the multiple-blade yellowing and shedding after September.The conventional band girdle of continuous 2 years (Comparative Examples 1), Second Year fruit yield are on the contrary than contrast (Comparative Examples 2) low (range of decrease 6.4%～38.7%.From fruit quality, adopt the coating band girdle fruit retention method of embodiment 1 and embodiment 2 that quality is had no adverse effects, the soluble solid content in the leading indicator-fruit juice of reflection citrusfruit quality is close or identical with contrast, without significant difference.Table 1-2 is 2010～2011 years emerging Tianjin satsuma mandarin trunks or bough band girdle fruit retention effect.
Table 1-2
A after data, b, c are 0.05 significance level of difference.
3, conclusion
The coating band girdle fruit retention method of employing embodiment 1 and embodiment 2 can effectively reduce the young fruit physiological fallen fruit of emerging Tianjin satsuma mandarin, and the plant that all is significantly higher than Comparative Examples 2 (the not contrast of band girdle) is produced in the strain of continuous 2 years; The effect of increasing production of First Year coating band girdle method and conventional band girdle method (Comparative Examples 1) are without significant difference, but Second Year is significantly higher than conventional band girdle method; Coating band girdle fruit retention has no adverse effects to emerging Tianjin Satsuma Fruits quality, and can overcome the defective of vein enlargement, blade yellow and tree vigo(u)r decline that conventional band girdle method causes because band girdle mouth can not in time heal.
Test 2
The oranges and tangerines coating band girdle fruit retention method of safety is to reducing the effect of friend's Na navel orange (without seed) young fruit physiological fallen fruit.
1, materials and methods
Tested in 2010～2011 years and carry out in Beibei, chongqing oranges and tangerines research institute's test garden, soil types is the purple earth of subacidity, and kind is trifoliate orange anvil friend Na navel orange, spring field planting in 1984,3 * 5 meters of seeding row spacings.At the beginning of 2010 4 months, the 42 strains test trees that tree crown size is close with growing way are divided into 7 groups, and every group of 6 strain (2 strain residential quarter, 3 repeat) are processed or contrasted for one group one.At the florescences of 2010～2011 years and young fruit period, pressed respectively embodiment 1, embodiment 2 in continuous 2 years, Comparative Examples 1 method (conventional band girdle) is processed; Comparative Examples 2 is contrast, does not carry out any band girdle processing or other fruit retention method and processes (seeing Table 2-1).The cultivation management condition of all test trees is identical.
Fructescence (late November) picking fruit, statistics individual plant fruit quantity is also weighed.Before gathering, 5 orientation are random in all directions of every strain tree plucks 1 fruit, and every strain is totally 5 fruits, and every processing 6 strains are totally 30 fruits (2 strain residential quarter, 3 repeat, 10 fruits of every repetition), measure fruit soluble solids content with Abbe refractometer.
Test data is analyzed the significance of difference through the STAT statistical software.
Table 2-1
2, result of the test
The test of continuous 2 years shows, adopt embodiment 1 and embodiment 2 methods to reducing friend's Na navel orange young fruit physiological fallen fruit effective (seeing Table 2-2), than the not contrast of band girdle (Comparative Examples 2) volume increase 29.4%～47.6%, production-increasing function is remarkable, and tree vigo(u)r is had no adverse effects.Although conventional band girdle method (Comparative Examples 1) is also better in the effect of increasing production of First Year, than contrast volume increase 31.5%～37.1%, still, the band girdle mouth that conventional band girdle method forms is in healing fully not yet by the end of September, root growth is obstructed, and the enlargement of part vein, tree vigo(u)r die down; Second Year continues conventional band girdle further dies down tree vigo(u)r, has after September than the multiple-blade yellowing and shedding.The conventional band girdle of continuous 2 years, Second Year fruit yield are on the contrary than contrast low (range of decrease 32.8%～37.9%).Result from fruit quality, adopt the coating band girdle fruit retention method of embodiment 1 and embodiment 2 methods that quality is had no adverse effects, soluble solid content in the leading indicator-fruit juice of reflection citrusfruit quality is close with contrast, without significant difference (table 2-2).
Table 2-2
A after data, b, c are 0.05 significance level of difference.
3, conclusion
Adopt the method for embodiment 1 and embodiment 2 can effectively reduce friend's Na navel orange young fruit physiological fallen fruit, the strain of continuous 2 years is produced and all is significantly higher than contrast (Comparative Examples 2); The effect of increasing production of First Year coating band girdle method and conventional band girdle method (Comparative Examples 1) are without significant difference, but Second Year is significantly higher than conventional band girdle method; Adopt the method for embodiment 1 and embodiment 2 that friend's Na Fruit Quality in Navel is had no adverse effects, and can overcome the defective that tree vigo(u)r that conventional band girdle method causes because band girdle mouth can not in time heal dies down.
Test 3
The oranges and tangerines coating band girdle fruit retention method of safety is to reducing the effect of brocade orange (few seed) young fruit physiological fallen fruit.
1, materials and methods
Tested in 2009～2010 years and carry out in Beibei, chongqing oranges and tangerines research institute's test garden, soil types is the purple earth of subacidity, and kind is trifoliate orange anvil brocade orange, spring field planting in 1984,3 * 5 meters of seeding row spacings, well-grown.At the beginning of 2010 4 months, select the vigorous 9 strains test trees close with the tree crown size of growing way to be divided into 3 groups, every group of 3 strain (individual plant residential quarter, 3 repeat) are processed or contrast for one group one.At the florescences of 2009～2010 years and young fruit period, the continuous method of embodiment 1 and Comparative Examples 1 method (conventional band girdle) of adopting respectively in 2 years processed; Comparative Examples 2 is contrast, does not carry out any band girdle processing or other fruit retention method and processes (seeing Table 3-1).The cultivation management condition of all test trees is identical.
Fructescence (mid-December) picking fruit, the statistics single plant yield.Before gathering in all directions of every strain tree 5 orientation adopt at random 2 fruits, 10 fruits of every strain, every processing 3 strains totally 30 fruits (individual plant residential quarter, 3 repeat, 10 fruits of every repetition), measure fruit soluble solids content with Abbe refractometer.Table 3-1 is the processing method of the orange band girdle fruit retention of 2009-2010 brocade comparative test.
Test data is analyzed the significance of difference through the STAT statistical software.
Table 3-1
2, result of the test
Table 3-2 shows, adopts the fruit retention method of embodiment 1 effective to reducing bright and beautiful orange young fruit physiological fallen fruit, and than the not contrast of band girdle (Comparative Examples 2) volume increase 57.0%～84.6%, effect is remarkable, and tree vigo(u)r is had no adverse effects.Conventional band girdle method (Comparative Examples 1) is good in the effect of increasing production of First Year, than contrast volume increase 64.1%, but after continuous 2 years conventional band girdles, the partial blade yellowing and shedding, the tree vigo(u)r decline, the Second Year fruit yield is on the contrary than contrast low 42.5%.The fruit quality aspect adopts the fruit retention method of embodiment 1 to have no adverse effects, and the soluble solid content in the leading indicator-fruit juice of reflection citrusfruit quality and contrast are without significant difference.Table 3-2 is the orange band girdle fruit retention effect of 2009-2010 brocade.
Table 3-2
A after data, B are 0.01 significance level of difference; A, b are 0.05 significance level of difference.
3, conclusion
Adopt the method for embodiment 1 can effectively reduce the young fruit physiological fallen fruit of brocade orange, the strain of continuous 2 years produces all that the utmost point is significantly higher than the not contrast of band girdle; The effect of increasing production of First Year coating band girdle method and conventional band girdle method be without significant difference, but Second Year the utmost point be significantly higher than conventional band girdle method; Coating band girdle fruit retention method has no adverse effects to the orange fruit quality of brocade, and can overcome the defective of the tree vigo(u)r decline that conventional band girdle method causes because band girdle mouth can not in time heal.
Test 4
The oranges and tangerines coating band girdle fruit retention method of safety is to reducing the effect of Niu Heer navel orange (without seed) young fruit physiological fallen fruit.
1, materials and methods
Tested in 2011 and carry out in the imperial village Niu Heer navel orange of work production base, Yunyang County interwined dragon street, Chongqing City, soil types is purple burning into sand soil, soil pH value 6.1～7.2.Kind is trifoliate orange anvil Niu Heer navel orange, field planting in 2005,3 meters of spacing in the rows, 4.5 meters of line-spacings, well-grown.On May 4th, 2011 (thank and spend rear approximately 1 week), to test the orchard with 111 mu and be divided into 3 groups, (table 4-1) processed or contrasted to 100 mu of A groups, 1 mu of B group, 10 mu of C groups for one group one.Fruit retention test in following method on May 4～carried out in 8th: 100 mu of A groups adopt embodiment 1 methods to process, 4～8 May of processing time; B 1 mu of employing Comparative Examples 1 method of group (conventional band girdle method) is processed, May 4 processing time; C organizes 10 mu and does not carry out any band girdle or other fruit retention method processing (contrast).The cultivation management condition of all test trees is identical.
Fructescence (late November) picking fruit, statistical unit area output.Select at random 45 strain collecting fruit samples before gathering in the orchard of each processing or contrast, 1 fruit sample is adopted in every strain, and 15 fruits of every collection are 1 to repeat, every processing or contrast 3 and repeat.The fruit sample is measured fruit soluble solids content with Abbe refractometer.
Test data is analyzed the significance of difference through the STAT statistical software.
Table 4-1
2, result of the test
Table 4-2 shows, adopts embodiment 1 method effective to reducing Niu Heer navel orange young fruit physiological fallen fruit, and than the not contrast of band girdle (Comparative Examples 2) volume increase 199.2%, production-increasing function is extremely remarkable, and tree vigo(u)r is had no adverse effects.The effect of increasing production of conventional band girdle method (Comparative Examples 1) is also extremely remarkable, than contrast volume increase 187.6%, but, make the band girdle mouth of partial tree in healing fully not yet by the end of September due to conventional band girdle method, root growth is obstructed, there is the local branch of 12 strains trees (account for total 50 strains 24%) the vein enlargement to occur, separately has 5 strains trees a large amount of blade yellowing and sheddings to occur.Adopt embodiment 1 method fruit retention that fruit quality is had no adverse effects, the soluble solid content in the leading indicator-fruit juice of reflection citrusfruit quality is close with contrast, without significant difference.Table 4-2 is 2011 Niu Heer navel orange band girdle fruit retention effects.
Table 4-2
AB after data is 0.01 significance level of difference, and a, b are 0.05 significance level of difference.
3, conclusion
Adopt the coating band girdle fruit retention method of embodiment 1 can effectively reduce Niu Heer navel orange young fruit physiological fallen fruit, effect of increasing production is extremely remarkable, and tree vigo(u)r is had no adverse effects; Adopt the effect of increasing production of conventional band girdle method also extremely remarkable, but still have by the end of September then the healing fully of part band girdle mouth, vein enlargement, the yellow of part plant or come off.Adopt the coating band girdle fruit retention method of embodiment 1 that the Niu Heer Fruit Quality in Navel is had no adverse effects, and can overcome the defectives such as vein enlargement that conventional band girdle method causes because band girdle mouth can not in time heal, fallen leaves.
Claims (6)
1. the oranges and tangerines band girdle fruit retention method of a safety, it is characterized in that: begin to spend in rear two weeks to thanking from the initial bloom stage of oranges and tangerines, choosing is without on rainy day gas, mandarin tree during without rainwater, at bough or trunk smooth place, pitch of the laps band girdle cortex forms band girdle mouth, and described band girdle mouth packs tightly with clean plastic film, until after 70～80 days, band girdle mouth regrows out till complete cortex, then remove film.
2. safe oranges and tangerines band girdle fruit retention method as claimed in claim 1, it is characterized in that: described band girdle mouth is with common sharp cutter, at trunk or 2 pitch of the laps ring cutting cortexes of the smooth place's selection of bough of oranges and tangerines, ring tangent point spacing 2mm～4mm reaches xylem deeply, then perpendicular partial application between two ring cutting circles, equally deeply reach xylem, insert perpendicular otch with point of a knife, lever up the cortex between two circles, it is pulled down, form the wide band girdle mouth of 2mm～4mm between two ring cutting circles.
3. safe oranges and tangerines band girdle fruit retention method as claimed in claim 1, it is characterized in that: described band girdle mouth is the fruit-tree girdling knife that adopts stripping mouthful width 2mm～4mm, at bough or trunk smooth place band girdle one circle cortex, deeply reach xylem, form the wide band girdle mouth of 2mm～4mm.
4. safe oranges and tangerines band girdle fruit retention method as claimed in claim 1 is characterized in that: the initial bloom stage of described oranges and tangerines begins to refer to that to thanking the April early and middle ten days is to the early and middle ten days in May after spending in two weeks.
5. safe oranges and tangerines band girdle fruit retention method as claimed in claim 1 is characterized in that: refer to after described 70～80 days that the July early and middle ten days is to early August.
6. the described safe oranges and tangerines band girdle fruit retention method of claim as arbitrary in claim 1～5, it is characterized in that: described band girdle mouth width is 3mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103321033A CN103380704A (en) | 2013-08-02 | 2013-08-02 | Safety tangerine girdling fruit retention method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105359909A (en) * | 2015-10-20 | 2016-03-02 | 西南大学柑桔研究所 | Method for inducing vein burst of Newhall navel orange in magnesium deficiency condition |
| CN106538329A (en) * | 2016-10-31 | 2017-03-29 | 钟山县绿森农业开发有限公司 | A kind of fruit retention method of tribute Citrus chachiensis Hort. bearing-age tree |
| CN107041272A (en) * | 2017-05-22 | 2017-08-15 | 陈高念 | A kind of method of navel orange flower-promoting and fruit protecting |
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| CN102907290A (en) * | 2012-11-13 | 2013-02-06 | 福建省农业科学院果树研究所 | Method utilizing film to wrap girdling cut of persimmon |
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| CN1409954A (en) * | 2002-11-14 | 2003-04-16 | 四川大学 | Fruit promoting method by trunk bark cutting administration of fruit tree |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105359909A (en) * | 2015-10-20 | 2016-03-02 | 西南大学柑桔研究所 | Method for inducing vein burst of Newhall navel orange in magnesium deficiency condition |
| CN106538329A (en) * | 2016-10-31 | 2017-03-29 | 钟山县绿森农业开发有限公司 | A kind of fruit retention method of tribute Citrus chachiensis Hort. bearing-age tree |
| CN107041272A (en) * | 2017-05-22 | 2017-08-15 | 陈高念 | A kind of method of navel orange flower-promoting and fruit protecting |
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