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CN103609555A - Eustoma grandiflorum cut-flower pretreatment agent - Google Patents

Eustoma grandiflorum cut-flower pretreatment agent Download PDF

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Publication number
CN103609555A
CN103609555A CN201310589402.5A CN201310589402A CN103609555A CN 103609555 A CN103609555 A CN 103609555A CN 201310589402 A CN201310589402 A CN 201310589402A CN 103609555 A CN103609555 A CN 103609555A
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China
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flower
cut
lisianthus
pretreatment agent
pretreating agent
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CN201310589402.5A
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Inventor
师进霖
姜跃丽
杜秀虹
李军萍
董绍辉
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Abstract

The invention relates to a eustoma grandiflorum cut-flower pretreatment agent, and belongs to the technical field of freshness keeping of fresh cut-flowers. The technical key of the eustoma grandiflorum cut-flower pretreatment agent is that the pretreatment agent comprises the following components by weight percent: 5% of cane sugar, 0.04% of 8-hydroxylquinoline citrate (8-HQC), 0.02% of aluminum sulfate (Al2(SO4)3) and the balance of water. The pretreatment agent has the characteristics of being good in freshness keeping effect, low in cost, free of poison, and the like, and the economic benefits of cut-flower production can be effectively increased.

Description

A kind of Lisianthus cut-flower pretreating agent
Technical field
The present invention relates to a kind of matching method of Lisianthus cut-flower pretreating agent, belong to keep cut flower fresh technical field.
  
Background technology
Fresh cut-flowers pretreating agent, is during cut-flower is produced, before the storing of cut-flower packing, for the chemical solution of short-term immersion treatment scape base portion, there is the water suction of the spray of promotion, nutriment is provided, sterilizing and reduce in transporting procedures ethene to the injury of cut-flower, improve the effects such as Flowering quality, kind of blooming period prolonging.
Recent two decades Lai, developed country flowers post-harvest physiology is studied and is adopted post-processing technology exploitation aspect and obtained considerable progress.And the flower industry of China is as a novel industry, owing to adopting rear technical measures imperfection, make the loss of cut-flower quantity in postpartum larger, brought larger loss to flower-grower and enterprise.
Lisianthus ( eustoma grandiform(Raf.) Shnn), be the perennial root herbage flower that Gentianaceae prairie gentian belongs to, because of in a great variety, the advantage such as flower appearance is graceful, and cutting flower life is long and liked by consumer.In recent years, China introduces after Lisianthus cultivation, and developing very fast ,Jin Yunnan Province just has 20,000 cut-flowers to sell to Japan every day, sells to Russia and Hong Kong for 3.5 ten thousand, strong promotion the development of China's industry of flowers and plants.But aborning, still there is the post-treatment measure system of adopting weakness, adopt the problems such as rear loss is large.
Because Lisianthus water imbibition is good, grower thinks by mistake and adopts rear dried up time length it doesn't matter often, as long as water suction can recover again after minute grade packaged, thereby cause from gathering, pack, often surpass more than 4 hours water absorption course, and cause a bottle slotting lost of life.Lisianthus is because moisture absorption after gathering is not enough or dried up overlong time, cell loses turgor, and scape can produce fresh idea buckling phenomenon because of supporting the weight of flower, and petal because of lack of water change flat after, again insert again water and easily cause petal to burst forth, cannot recover strong full phenomenon.Therefore, Lisianthus at least should insert after gathering in pre-place's liquid or water in one hour, avoid in conduit, producing bubble because moisture supply discontinuity causes, blocks moisture transportation, impact bottle is inserted the life-span as fast-moving consumer goods, Lisianthus cut-flower gathering, transport, very easily damage in the process such as storage, withered, its result has all been brought loss to businessman and consumer, and to adopt rear special-purpose pretreating agent kind few due to Lisianthus, apply not general, cause Lisianthus cut-flower to adopt rear loss large, affected the raising of economic benefit.
For improving ornamental value and the economic benefit of Lisianthus cut-flower, promote the development in an all-round way of the industry of flowers and plants, on the basis that this research is promoted at lot of experiments, through a kind of extremely effectively Lisianthus pretreating agent that checking obtains repeatedly, can significantly improve cut-flower fresh weight, reduce respiration consumption, delaying senility, extend cutting flower life 4-6 days.Improved the commodity value of Lisianthus cut-flower.
By literature search, have no the open report identical with the present invention.
Summary of the invention
The object of the invention is to reduce Lisianthus cut-flower and adopt the less problem of large, the special-purpose pretreating agent of rear loss, a kind of good refreshing effect is provided, cost is low, nontoxic and can effectively increases the pretreating agent of cut-flower economic benefit.
Its feature is mainly:
(1) this antistaling agent prescription comprises the component of following weight percentage: sucrose 5%, oxine citrate (8-HQC) 0.04%, aluminum sulfate (Al 2(SO 4) 3) 0.02%, surplus is water.
(2) preparation method's step is as follows: by proportioning, take sucrose, oxine citrate, aluminum sulfate water and dissolve respectively, treat that all solids fully dissolves, be settled to 1L, pretreating agent gets product.
(3) the pH value of this antistaling agent is 4.0-4.5
The advantage of this pretreating agent is: can delay spray dehydration, improve spray fresh weight, reduce petal respiratory rate, delay to cut flower withering, alleviate petal membrane damage, and can prevent microbial growth, prolongation Lisianthus cutting flower life 4-6 days; Expense is cheap simultaneously, making is simple, be convenient to popularization; Containing common silver ion in general antistaling agent, not environmentally friendly, can obviously reduce cut-flower and adopt rear loss.
Embodiment
embodiment 1: the application study of Lisianthus cut-flower pretreating agent
1. materials and methods
1.1 test material
For examination Lisianthus, be purchased from maritime Lisianthus plantation family, Yunnan Province, selecting has the spray opening at the beginning of 1-2, cuts off radical leaves, retains a pair of blade in top, and spray length is unified is 55cm, and base portion is cut sth. askew.
1.2 pretreatment fluid formula Designs
Pass through preliminary experiment, to STS(silver thiosulfate), gibberellin, 6-BA(6-benayl aminopurine), aluminum sulfate, citric acid, sucrose, 8-HQC(8-hydroxyquinoline citrate), silver nitrate, salicylic acid carried out single Chemicals, therefrom select the good 4 kinds of medicaments of effect and concentration, the distilled water of take is treated to 2mmol.L as contrast (CK), M1 -1sTS+5% sucrose; M2 is treated to 0.02% citric acid+5% sucrose; M3 is treated to 0.03% silver nitrate+5% sucrose; M4 is treated to 5% sucrose+0.04%-HQC+0.02% aluminum sulfate.Cut-flower is inserted in respectively in each pretreatment and processed 2 hours, then take out and to insert in triangular flask, add 200ml distilled water, with absorbent cotton, seal bottleneck, every bottle of 5 flowers, repeat 5 times.
Duration of test indoor temperature 15-21 ℃, relative air humidity 40-70%, illumination is room scattering light.
1.3 index determining
1.3.1 water balance value: first take spray+solution+bottle stopper+bottle weight, take the fluid loss of the continuous difference weighing for 2 times in 2 times weigh during this period of time; Weigh solution+bottle stopper+bottle weight simultaneously and calculate water absorption, the difference of water absorption and fluid loss is water balance value.
1.3.2 bottle is inserted the life-span: from from cut-flowers in bottle till spend serious wilting, the withered shrinkage of petal, pattern because dehydration is dimmed, cane withered, elbow and folding stalk etc. lose the number of days of ornamental value.
1.3.3 wilted percent: the ratio of wilting flower and total flower number
1.3.4 soluble sugar content: use anthrone colorimetric method.
1.3.5 the petal cell film mensuration of property relatively thoroughly: adopt conductance method.
2 results and analysis
The impact of 2.1 different disposal on Lisianthus cut-flower water balance value
As shown in Figure 1, each water balance value of processing is totally all on a declining curve, and by the occasion of reducing to negative value, water balance value turning point appears to be processed the 7th day, and except M4 absorption speed is greater than dehydrating speed, all the other each to process be all that dehydrating speed is greater than absorption speed; The 7th day to the 10th day, water balance value level off, illustrated that absorption speed and dehydrating speed reach relatively stable, and between each processing, difference is not remarkable; After the 10th day, water balance value differs greatly, and M4 processes its value and processes higher than other, and dehydrating speed is the slowest, illustrates that M4 has obvious effect to improving cut-flower water regime.(see figure 1)
The impact of 2.2 different disposal on the fresh-keeping life-span of Lisianthus
The bottle of Lisianthus cut-flower is inserted the life-span, the longest to process the cutting flower life of M4, secondly, for M3 processes, extends 5 days, 4 days respectively than contrast, illustrate that M4 processing can significantly improve the fresh-keeping life-span of Lisianthus, prolongation ornamental value.(see figure 2)
The impact of 2.3 different disposal on Lisianthus cut-flower wilted percent
The wilted percent of having investigated Lisianthus cut-flower in the 11d of experiment, result shows: the wilted percent of contrast is the highest, processes M4 wilted percent minimum, lower by 20% than contrast.Illustrate that M4 processing can effectively improve the fresh-keeping effect of Lisianthus.(see figure 3)
The impact of 2.4 different disposal on Lisianthus cut-flower soluble sugar content
With containing after the pre-treatment treatment Lisianthus cut-flower of sucrose, in petal, soluble sugar content is inserted the phase all higher than contrast at bottle, illustrates that exogenous sugar can be absorbed rapidly transfer by cut-flower.The soluble sugar content of respectively processing subsequently in petal all constantly reduces, on a declining curve, and the cut-flower that M4 processes all has higher soluble sugar content each period, has obviously delayed the decline of soluble sugar content, is conducive to extend the life-span of cut-flower.(see figure 4)
The impact of 2.5 different disposal on Lisianthus relative conductivity
The permeability of cell membrane is an important indicator of reflection cell damaged degree; and be positive correlation completely with electrical conductivity; this test is by the variation of examination electrical conductivity; can draw the affect rule of different disposal on Lisianthus petal cell membrane permeability: during Lisianthus cut-flower is processed, property is in rising trend relatively thoroughly for petal cell film.At bottle, insert 1-7d, each is processed and the equal rising of contrast relative conductivity, and 10d rises, and maximum conductivity appears in contrast, and higher than other all processing, and there were significant differences with M4; All the other respectively process later stage electrical conductivity between CK and M4.It is the mildest that M4 processes aggregate performance.Explanation is with the prolongation of bottled sustaining time, and petal cell film sustains damage, a large amount of seepages of electrolyte in cell membrane, thus cause relative conductivity to raise.Through pretreated group of electrical conductivity, rise mild, peaked appearance is more late than contrast, and this shows that each pretreatment all can alleviate the degree of membrane damage in various degree, prevents exosmosing of the interior soluble substance of cell, thereby delay the aging course of cut-flower, wherein especially less with the damage of M4 processing cell membrane.(see figure 5)
3. conclusion
This test shows, pretreating agent of the present invention (M4) has significantly and delays senility Lisianthus cut-flower, extend the effect of cutting flower life, its cutting flower life has extended 5 days than contrast, and the indexs such as cut-flower wilted percent, cell leakage are all better than contrast, also be better than other several pretreating agents, this pretreating agent fresh-keeping effect is remarkable.
STS and silver nitrate, because of silver ion, have adverse effect to ecotope, though effect is also good, do not advocate use.And citric acid effect in pretreatment application is not outstanding.Pretreating agent of the present invention is environmentally friendly, and cost is low, the life-span of energy significant prolongation Lisianthus cut-flower.  
embodiment 2:application at cut-flower purchase enterprises
(1) cut-flower purchase enterprises can be set up ,Hua pond, flower pond and can be built into cement in purchase place, and height 1-1.2 rice at the bottom of ceramic tile is affixed on pond and surrounding, is put into this pretreating agent (sucrose 5%, 8-HQC0.04%, aluminum sulfate 0.02%), liquid level 4-5cm in pond.Also can carry out seasoning spray with large plastic bucket, in bucket, put into pretreating agent.
(2) spray that flower-grower pays is put into treatment pond after classified or processes bucket, packs cartonning after processing again.As less in spray that purchased the same day, the spray that reaches the processing time should be transferred to clear water reserviors, and when spray purchase volume is to some by the time, processing is packed in unification again.
(3) this inorganic agent, owing to being mainly production field application, is generally prepared into 1L-5L bottled product, also can be made into the above barreled product of 10L and sells.
Flowers purchase enterprises is when purchase fresh cut-flowers, because flower-grower hands over the uncertainty of having taken time, for reducing production costs, ability batch process when general spray reaches some, if purchase in spray stacking process a large amount of heat releases of breathing therebetween, can accelerate spray dehydration and wilt, rot, this pretreating agent can effectively carry out killing, supplement respiratory substrate (sugar), promoting spray water suction of microorganism, effectively extend the life-span of Lisianthus cut-flower, guaranteed the cut-flower quality after transportation or storage.
embodiment 3:lisianthus cut-flower pretreating agent applying in flower-grower
(1) flower-grower is first put in Plastic Drum with this pretreating agent before picking flowers, and the Plastic Drum of general 8L specification adds 1L pretreating agent, and the larger bucket of capacity is the consumption of corresponding increase pretreating agent.
(2) field is adopted Lisianthus cut-flower and is taken back operation room and be put in bucket and carry out pretreatment, spray base portion is dipped in inorganic agent to soak time 1-3 hour.
(3) after all flowers are handled, then take out and by spray grade, carry out the conventional packing works such as length pruning, lower blade removal.
Effect: use after this pretreating agent, it is slow that Lisianthus cut-flower shows spray dehydration, respiratory rate is low, cell leakage changes gently, extends cutting flower life 4-6 days, has effectively improved flower-grower's economic benefit, has reduced and has adopted rear loss.
figure of description related description:
The impact of Fig. 1 different pretreatments on Lisianthus water balance value
The impact of Fig. 2 different pretreatments on the fresh-keeping life-span of Lisianthus
The impact of Fig. 3 different pretreatments on Lisianthus wilted percent
The impact of Fig. 4 different pretreatments on Lisianthus soluble sugar content
The impact of Fig. 5 different pretreatments on Lisianthus relative conductivity.

Claims (3)

1. a Lisianthus cut-flower pretreating agent, is characterized in that:
This pretreating agent formula comprises the component of following weight percentage: sucrose 5%, oxine citrate (8-HQC) 0.04%, aluminum sulfate (Al 2(SO 4) 3) 0.02%, surplus is water.
2. a kind of Lisianthus cut-flower pretreating agent according to claim 1, is characterized in that: described antistaling agent pH value is at 4.0-4.5.
3. a kind of Lisianthus cut-flower pretreating agent according to claim 1, is characterized in that: it is 1-3 hour that processing Lisianthus cuts the time spent.
CN201310589402.5A 2013-11-22 2013-11-22 Eustoma grandiflorum cut-flower pretreatment agent Pending CN103609555A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106359370A (en) * 2016-08-30 2017-02-01 惠州学院 Cut flower preserving tablets and preparation method thereof
CN106857503A (en) * 2017-04-27 2017-06-20 四川农业大学 A kind of Lisianthus antistaling agent for cut-flower
CN114403154A (en) * 2022-02-15 2022-04-29 中国农业大学 A kind of plant growth regulator composition and its preparation method and application

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037254A (en) * 1988-05-06 1989-11-22 首都钢铁公司 Antistaling agent for cut-flower

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037254A (en) * 1988-05-06 1989-11-22 首都钢铁公司 Antistaling agent for cut-flower

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
姜跃丽等: "切花洋桔梗采后处理技术", 《温室园艺》, 10 January 2010 (2010-01-10), pages 30 - 31 *
师进霖等: "预处理液对洋桔梗切花保鲜效应的研究", 《西南农业学报》, vol. 23, no. 5, 31 December 2010 (2010-12-31), pages 1660 - 1664 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106359370A (en) * 2016-08-30 2017-02-01 惠州学院 Cut flower preserving tablets and preparation method thereof
CN106857503A (en) * 2017-04-27 2017-06-20 四川农业大学 A kind of Lisianthus antistaling agent for cut-flower
CN106857503B (en) * 2017-04-27 2021-03-16 四川农业大学 A kind of eustoma cut flower preservative
CN114403154A (en) * 2022-02-15 2022-04-29 中国农业大学 A kind of plant growth regulator composition and its preparation method and application

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Application publication date: 20140305