CN109769536A - A kind of greenhouse organic tea kind planting pollution-free deinsectization method - Google Patents

Abstract

The invention discloses a kind of greenhouse organic tea kind planting pollution-free deinsectization methods, it specifically includes: being covered the tea tree spherical crown trimmed 3-5 days with thermal-insulated sealed sleeve, upper exhaust tube is covered by thermal-insulating sealing with air-extractor again to discharge the interior air of set, form negative pressure anaerobic environment, then by injection pipe that the injection heat preservation of liquid inert gas refrigerant is close interior, the volatilization vaporization of liquid inert gas refrigerant, make to cover interior temperature and drops to 0 DEG C or less rapidly, keep cold and oxygen deficient state 1.5-3h, pest can be fallen off by asphyxia numb with cold, tea tree obtains of short duration athermobiosis simultaneously, it is warming up to 20-25 DEG C immediately, plant cell mitogen can be induced to secrete, sprouting is promoted to sprout, be conducive to more batches of cultivation organic teas.

Description

A kind of greenhouse organic tea kind planting pollution-free deinsectization method

Technical field:

The present invention relates to Tea planting deinsectization technique fields, and in particular to a kind of greenhouse organic tea kind planting pollution-free deinsectization side Method.

Background technique:

The curative effect of medication that tea just has body-building, controls disease since ancient times, and rich trial test temperament and interest, can cultivate one's taste, so tea becomes Indispensable drink in people's life.Traditional green tea picks general multiselect in the season in grain rains in the beginning of spring, the picking of this time Tealeaves just stored away in winter after severe winter low temperature due to tea tree, eliminate insect pest, leaf is tender emerald green, fragrant in taste and full of nutrition, product Matter is best.Into summer and autumn, temperature is sharply increased, and growth of tea plant is rapid, and leaf bud aging is fast, and color deepens, and taste is bitter, Commodity value is well below spring tea." the not busy winter in spring busy Xia Songqiu dissipates ", " busy not busy three seasons in a season, a season are spread in China tea grower Have receive three Ji Wuli " say, in addition temperature increase after be easy cause insect pest breeding, be forced to use pesticide, remain exceeded influence Tea leaf quality, many tea growers only adopt spring tea and do not adopt Summer-autumn tea, greatly affected tea yield.

As living standard is continuously improved, people sharply increase high grade tea consumption, fully rely on spring tea picking far from It is able to satisfy demand, then coming into being greenhouse has occurred and grow tea technology, by manual simulation's natural environment in greenhouse, realizes The four seasons can pick the good tealeaves of mouthfeel, substantially increase the yield of high-quality tea, effectively meet consumption demand.

It is well known that greenhouse, which is grown tea, is easier simulation grain rains seasonal climate environment realization Duolun tea picking, but greenhouse kind Plant is difficult to realize every season tealeaves can be after severe cold deinsectization, and treating insect pest must generally spray insecticide, and causes many mouthfeels high-quality Greenhouse tea organic tea cannot be chosen as because of excessive pesticide residues, seriously affect the income of greenhouse tea.With health of people theory Enhancing, everybody is more and more to the consumption of green ecological organic tea, and the main index of organic tea is non agricultural chemical residuum, so to Further increase greenhouse tea planting income, it is necessary to eliminate traditional pesticide deinsectization mode, accelerate nuisanceless deinsectization technique and break through.

Existing nuisanceless deinsectization method has: the artificial disinfestation of worm's ovum, larva is manually extractd, with black light lamp, high pressure Method is killed in the photo-induction that becomes such as mercury lamp and frequency ventilating type lamp, and the measure of biotic control controlled worm with worm, worm is controlled with bird and controls worm with bacterium utilizes lasting height Temperature makes pest vivo protein deactivation, enzyme system be destroyed and be made the high-temperature disinsection heating method of pest death, though these methods So can be nuisanceless, but low efficiency, effect are poor, at high cost, it is difficult to it promotes and applies.It must so developing organic tea by greenhouse gardening It must the completely new nuisanceless deinsectization technique of research and development.

Summary of the invention:

Technical problem to be solved by the present invention lies in the greenhouse organic teas for providing a kind of promotion tea leaf quality to plant without public affairs Evil deinsectization method.

The following technical solution is employed for the technical problems to be solved by the invention to realize:

A kind of greenhouse organic tea kind planting pollution-free deinsectization method, specifically includes:

The tea tree spherical crown trimmed 3-5 days is covered with thermal-insulated sealed sleeve, tea tree spherical crown is pinched fixation with special fixture, is received Fixed mouth is simultaneously sealed to sealing running-on using sealing material and prevents gas leakage, then is covered with air-extractor by thermal-insulating sealing Exhaust tube will cover interior air and discharge, and form negative pressure anaerobic environment, then pass through injection pipe for liquid inert gas refrigerant In injection heat preservation is close, the volatilization vaporization of liquid inert gas refrigerant makes to cover interior temperature and is rapidly decreased to 0 DEG C hereinafter, keeping low temperature Anaerobic condition 1.5-3h, pest can be fallen off by asphyxia numb with cold, while tea tree obtains of short duration athermobiosis, is warming up to 20- immediately 25 DEG C, plant secretory cell mitogen can be induced, sprouting is promoted to sprout.

Further, the thermal-insulated sealed sleeve is multi-layer compound structure, and innermost layer is high-strength being folded without breaking nylon cloth, secondary inner layer For airtight thin film encapsulation layers, it is heat-preservation cotton layer between outermost layer and secondary inner layer that outermost layer, which is ventilative soft cloth layer,.

Further, the special fixture is made of the high-strength clamping plate of two pieces of hard and multiple fastening screws, fastening screw point Cloth penetrates at clamping plate both ends.

Further, the tea tree beta pruning deinsectization is preferably selected in the initial phase progress that insect pest starts hatching, selects insect pest at this time Minimum, larva are most afraid of low temperature, and deinsectization effect is best.

Further, the tea tree spherical crown is cut into oval flat along the north-south direction, is both conducive to tree crown timesharing daylighting, also just It is flattened in being tightened with special fixture, reduces the space that tree crown occupies and save refrigerant.

Further, the sealing material is the soft elastic material of similar plasticine, can be repeatedly circulated.

Further, the liquid inert gas refrigerant is liquid nitrogen or liquid carbon dioxide.

Further, the anaerobic environment is to reach the environment that negative pressure is lower than a quarter atmospheric pressure in pumping, for enhancing Anoxic effect can suitably squirt tree crown before covering tree crown with thermal-insulated sealed sleeve, promote moisture evaporation by pumping, to improve Negative pressure deoxygenation effect.

Further, the liquid inert gas injection rate determines according to natural environment, temperature in sealing shroud is made to drop to 0 ~-3 DEG C be it is best, it is minimum to cannot be below -5 DEG C.

The beneficial effects of the present invention are: the present invention passes through thermal-insulated sealed sleeve negative pressure ventilation, special fixture compression and liquid gas The cold multinomial technical tie-up application of system carries out flattening shrink process to tree crown space, not only improves the shape of cold and oxygen deficient environment At improving deinsectization effect, also greatly saved the consumption of refrigerant gas, reduce deinsectization cost, while also making tea tree Of short duration athermobiosis has been obtained, has also been conducive to that sprouting is promoted to sprout.

Detailed description of the invention:

Fig. 1 is structural schematic diagram of the present invention when thermal-insulated sealed sleeve covers tea tree spherical crown；

Fig. 2 is structural schematic diagram of the present invention when special fixture tightens flattening；

Fig. 3 is the cross-sectional view that the present invention is thermal-insulated sealed sleeve；

Wherein: 1 thermal-insulated sealed sleeve, 101 soft cloth layers, 102 heat preservation surface layers, 103 thin film encapsulation layers, 104 high-strength being folded without breaking Buddhist nuns Long Bu, 2 running-ons, 3 clamping plates, 4 exhaust tubes, 5 injection pipes, 6 fixtures.

Specific embodiment:

In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Conjunction is specifically illustrating, and the present invention is further explained.

Embodiment: as shown in Figure 1, being covered the tea tree spherical crown after trimming 3 days with thermal-insulated sealed sleeve, with special fixture by tea Tree spherical crown is pinched fixation, and tightening running-on and being sealed using sealing material to sealing running-on prevents gas leakage, then uses air-extractor Upper exhaust tube is covered by thermal-insulating sealing, the interior air of set is discharged into big envelope, form negative pressure anaerobic environment, the anaerobic environment Refer to that in thermal-insulated sealed sleeve then negative pressure is kept the temperature liquid nitrogen injection by injection pipe close lower than the environment of a quarter atmospheric pressure Interior, liquid nitrogen volatilization vaporization makes to cover interior temperature and is rapidly decreased to 0~-3 DEG C, keeps cold and oxygen deficient state 2h, to enhance anoxic effect, Tree crown can suitably be squirted before sealing, moisture evaporation be promoted by pumping, to improve negative pressure deoxygenation effect, pest after cold and oxygen deficient It can be fallen off by asphyxia numb with cold, while tea tree obtains of short duration athermobiosis, is warming up to 20-25 DEG C immediately, can induce plant point The basic element of cell division is secreted, the formation of bud is accelerated, sprouting is promoted to sprout.

Thermal-insulated sealed sleeve is multi-layer compound structure, and innermost layer is high-strength being folded without breaking nylon cloth, and secondary inner layer is airtight film Sealant, outermost layer are ventilative soft cloth layer, are heat-preservation cotton layer between outermost layer and secondary inner layer, can effectively realize sealing, and And guarantee the solid firmness of thermal-insulated sealed sleeve.

Special fixture is made of the high-strength clamping plate of two pieces of hard and multiple fastening screws, and fastening screw distribution is penetrated in clamping plate two Head increases locating effect.

Tea tree beta pruning deinsectization is preferably selected in the initial phase progress that insect pest starts hatching, selects insect pest at this time minimum, larva is most afraid of Low temperature, deinsectization effect are best；Tea tree spherical crown is cut into oval flat along the north-south direction, is both conducive to tree crown timesharing daylighting, is also convenient for Tightened with special fixture and flattened, reduced the space that tree crown occupies and save refrigerant.

Sealing material is the soft elastic material of similar plasticine, can be repeatedly circulated.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (10)

1. a kind of greenhouse organic tea kind planting pollution-free deinsectization method, it is characterised in that: 3-5 days tea will be trimmed with thermal-insulated sealed sleeve Tree spherical crown covers, and tea tree spherical crown is pinched fixation with special fixture, tightens running-on and is carried out using sealing material to sealing running-on Sealing prevents gas leakage, then covers upper exhaust tube by thermal-insulating sealing with air-extractor and discharge the interior air of set, forms negative pressure Then anaerobic environment is injected liquid inert gas refrigerant in thermal-insulated sealed sleeve by injection pipe, liquid inert gas refrigeration Agent volatilization vaporization makes to cover interior temperature and is rapidly decreased to 0 DEG C hereinafter, keeping cold and oxygen deficient state 1.5-3h, and pest can be stopped up by numb with cold It ceases and falls off, while tea tree obtains of short duration athermobiosis, be warming up to 20-25 DEG C immediately, induction plant cell mitogen secretion promotees It is sprouted into sprouting.

2. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the heat preservation Sealing shroud is multi-layer compound structure, and innermost layer is high-strength being folded without breaking nylon cloth, and secondary inner layer is airtight thin film encapsulation layers, outermost layer It is heat-preservation cotton layer between outermost layer and secondary inner layer for soft cloth layer of breathing freely.

3. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that described dedicated Fixture is made of the high-strength clamping plate of two pieces of hard and multiple fastening screws, and fastening screw distribution penetrates at clamping plate both ends.

4. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the tea tree Beta pruning deinsectization is preferably selected in the initial phase progress that insect pest starts hatching.

5. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the tea tree Spherical crown is cut into oval flat along the north-south direction.

6. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the sealing Material is the soft elastic material of similar plasticine, can be repeatedly circulated.

7. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the liquefaction Inert gas refrigerant selects liquid nitrogen or liquid carbon dioxide.

8. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the anoxic Environment is to reach the environment that negative pressure is lower than a quarter atmospheric pressure in pumping.

9. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 1, which is characterized in that the liquid Inert gas injection rate determines according to natural environment, make in sealing shroud temperature drop to 0~-3 DEG C be it is best, it is minimum cannot be below - 5℃。

10. a kind of greenhouse organic tea kind planting pollution-free deinsectization method according to claim 8, which is characterized in that for enhancing Anoxic effect can suitably squirt tree crown before covering tree crown with thermal-insulated sealed sleeve, promote moisture evaporation by pumping, to improve Oxygen discharge rate.