CN1436458A - Pesticide assistant for promoting effective utilization of pesticide and its usage - Google Patents
Pesticide assistant for promoting effective utilization of pesticide and its usage Download PDFInfo
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- CN1436458A CN1436458A CN 02112645 CN02112645A CN1436458A CN 1436458 A CN1436458 A CN 1436458A CN 02112645 CN02112645 CN 02112645 CN 02112645 A CN02112645 A CN 02112645A CN 1436458 A CN1436458 A CN 1436458A
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Abstract
The pesticide assistant consists of excipient, surfactant and diluent; and it can be used to regulate surfactant inside the recommended pesticide dosage to critical micelle concentration so as to make the surface tension property smaller than the critical surface tension of target plant and to promote pesticide liquid to spread, film and retain in increased amount and for longer priod on the surface of the target plant. During its use, the critical surface tension of target plant is first measured, proper pesticide assistant is selected and added into pesticide, and the mixture is sprayed onto target plant. Using the assistant of the present invention can raise the effect of pesticide, reduce pesticide amount used and reduce the environmental pollution caused by pesticide.
Description
(1) technical field
The present invention relates to a kind of insecticides adjuvant, particularly promote the effective insecticides adjuvant that utilizes of agricultural chemicals and the using method of this auxiliary agent.
(2) background technology
Different plants, its blade surface characteristic is inequality.A kind of pesticidal preparations can not satisfy the surface characteristic of different target plant simultaneously.Big capacity spray technique during agricultural chemicals uses increases medicine liquid volume by increasing water consumption, and the surface tension that this has strengthened soup can not tumble soup at most target plant surface wettability spreads.Though some medicament can adhere to the certain plants surface, owing to the volatilization and not resistance of rainwater washing against influence drug effect and drug effect phase.Farmland agricultural chemicals availability about 30%, about 70% soup or tumble or drift about and enter in the environment, for reaching due control efficiency, the peasant strengthens pesticide dosage, makes more agricultural chemicals enter environment.Both caused huge waste, contaminated environment does not meet the production requirement of nuisanceless agricultural byproducts yet again.
In pesticidal preparations, add the macromolecule excipient, can make the medicine film of soup at plant surface formation resistance of rainwater washing against, document 1, " research of 5% spacetabs type beta-cypermethrin microemulsion " agricultural chemicals, Vol.37 No.12 (1998) is p.13-15.But in pesticidal preparations, it is big especially to add the macromolecular compound difficulty in missible oil and wetting powder, can influence the physicochemical property of preparation and influences the stability of medicament.Surfactant can be used to reduce the surface tension of soup, but has only when the surface tension appropriateness of soup during less than the critical surface tension of target plant, could and have at the wetting spread of plant surface and hold dose more greatly.The difference of different plant surface structures has caused critical surface tension values different between plant, even special-purpose surfactant or auxiliary agent can not be fit to different target plant simultaneously.Increase the consumption of surfactant often, for the wetted plant leaf blade of difficulty, may increase the dose of holding of blade, but, increase the loss of soup on the contrary for easily wetted plant leaf blade.Document 2, " plant leaf blade is to the maximum load-carrying capacity pre-test of soup ", the plant protection journal, Vol.25No.1 (1998) is p.95-96.Simultaneously, surfactant concentrations must surpass critical micelle concentration in the soup, and droplet is held by the blade face rapidly stayed, document 3, " dosage of the formulations of pesticide and preparation and agricultural chemicals shifts ", and the Pesticide Science journal, Vol.1 No.1 (1999) is p.1-6.Surfactant in the formulations of pesticide more is the stability for formulation.In the recommended dose of most commercially available agricultural chemicals, the not enough critical micelle concentration of surfactant, in addition mutually far short of what is expected.
(3) summary of the invention
The technical problem to be solved in the present invention comprises following two aspects: the one, and invent out and can regulate agricultural chemicals recommended dose soup internal surfactants to critical micelle concentration, make the insecticides adjuvant of its surface tension appropriateness less than the critical surface tension of target plant, this insecticides adjuvant helps and promotes soup at target plant moistened surface spread.Increase hold-up and film forming; The 2nd, invent according to preventing and treating target plant critical surface tension value and select the special using method of above-mentioned insecticides adjuvant for use.
2 scopes of the corresponding target plant critical surface tension value rc of the present invention (mN/m), 40＞rc 〉=36 and 45＞rc 〉=40 have provided 2 insecticides adjuvant products, and promptly No. 2, No. 1, insecticides adjuvant and insecticides adjuvant.
The composition that No. 1, insecticides adjuvant of the present invention is expressed as follows with weight ratio:
Excipient 1-20
Surfactant 4-20
The diluent water capacity.
Described excipient is one of following three kinds: polyvinyl alcohol (PVA). polyethylene glycol (PEG). and polyethylene glycol oxide (PEO); Described surfactant is one of following three kinds: secondary octyl phenol polyethenoxy (10) ether (TX-10). alkylphenol-polyethenoxy (10) ether (OP-10). and Nonyl pheno (10) ether (NP-10).
Preferred weight proportioning when excipient is polyvinyl alcohol is expressed as follows:
Excipient polyvinyl alcohol 1-5
Surfactant 4-10
The diluent water capacity.
Preferred weight proportioning when excipient is polyethylene glycol is expressed as follows:
Excipient polyethylene glycol 1-20
Surfactant 4-10
The diluent water capacity.
Preferred weight proportioning when excipient is polyethylene glycol oxide is expressed as follows:
Excipient polyvinyl alcohol 1-10
Surfactant 8-20
The diluent water capacity.
The composition that No. 2, insecticides adjuvant of the present invention is expressed as follows with weight ratio:
Excipient 1-20
Polyoxyethylene (20) anhydrous sorbitol monopalmitate (polysorbate40) 7-20
The diluent water capacity.
Described excipient is one of following three kinds: polyvinyl alcohol (PVA). polyethylene glycol (PEG). and polyethylene glycol oxide (PEO).
Preferred weight proportioning when excipient is polyvinyl alcohol is expressed as follows:
Excipient polyvinyl alcohol 1-5
Polysorbate40 7-10
The diluent water capacity.
Preferential weight proportion when excipient is polyethylene glycol is expressed as follows:
Excipient polyethylene glycol 1-20
Polysorbate40 7-10
The diluent water capacity.
Preferred weight proportioning when excipient is polyethylene glycol oxide is expressed as follows:
Excipient polyvinyl alcohol 1-10
Polysorbate40 14-20
The diluent water capacity.
All can add the antifreezing agent that weight is joined 3-6 in the insecticides adjuvant of the present invention No. 1 and No. 2,, make auxiliary agent have antifreeze performance as ethylene glycol.
The manufacture method of No. 1, insecticides adjuvant of the present invention and No. 2 is as follows:
In proportion with excipient. the diluent water of surfactant and capacity and antifreezing agent add reactor, and abundant stirring becomes mobile transparency liquid and gets final product.
The using method of No. 1, insecticides adjuvant of the present invention and No. 2 is as follows:
Measure the critical surface tension value of target plant.Fresh blade generate plane with the target plant of gathering, be fixed on the slide, drop in blade maintenance nature place's formation drop respectively with being no less than three kinds of liquid with same volume of different surfaces tension force, measure the liquid level tangent line and the formed angle theta i in blade face of gas phase, liquid phase and solid phase intersection, in rectangular coordinate system, can get straight line L to the respective liquid surface tension value with Cos θ i, straight line L is extended down to Cos θ i=1 place outward, and the surface tension value that the intersection point abscissa shows is the critical surface tension value of target plant.
Also can estimate the critical surface tension value of target plant.Fresh blade generate plane with the target plant of gathering, be fixed on the slide, liquid with the same volume with different surfaces tension force drops in blade maintenance nature place's formation drop successively, the formed angle of liquid level tangent line and blade face of range estimation gas phase, liquid phase and solid phase intersection, by comparing repeatedly, the maximum surface tension of liquid value of complete spread and surface tension of liquid value that minimum angle is arranged as by the scope of the critical surface tension value of measuring plants, are determined the more convenient in practice practicality of critical surface tension value of target plant with the method for estimating.
As the critical surface tension value rc of the target plant that records during, select insecticides adjuvant of the present invention for use No. 1 at 36-39mN/m.When the critical surface tension value rc of the target plant that records 40-45mN/m, select insecticides adjuvant of the present invention for use No. 2.When field control target plant damage by disease and insect, insecticides adjuvant joins in the soup with suitable amount, can make the soup internal surfactants reach critical micelle concentration, the surface tension appropriateness is less than the critical surface tension value of plant, be sprayed onto on the target plant, can guarantee that soup is at target plant moistened surface spread, formation medicine film, raising drug effect, slowly-releasing and resistance of rainwater washing against.
The result of use of No. 1, insecticides adjuvant of the present invention and No. 2:
Measure through GB 5549-90, the surface tension when insecticides adjuvant of the present invention reaches critical micelle concentration No. 1 is about 36mN/m, is applicable to that critical surface tension is the target plant of 36-39mN/m; Surface tension when insecticides adjuvant of the present invention reaches critical micelle concentration No. 2 is about 40mN/m, is applicable to that critical surface tension is the target plant of 40-45mN/m.Insecticides adjuvant of the present invention is applicable to China staple crops of cultivation at present for No. 1 and No. 2.
Select insecticides adjuvant for use according to target plant critical surface tension value, with strong points, soup can be at the good wetting spread in target plant surface, and forms the medicine film at blade surface.
The target plant critical surface tension uses insecticides adjuvant of the present invention in the scope of application of insecticides adjuvant of the present invention the time, has improved the control efficiency of agricultural chemicals to damage by disease and insect, thus the pesticide dosage can reduce each control the time.Soup is big at the stagnant dose in target plant surface, and because medicine film resistance of rainwater washing against, the corresponding dose that tumbles or run off reduces.Because soup forms the medicine film on the target plant surface, has prolonged the drug effect phase, reduces the number of times of medication prevention and elimination of disease and pests from face.Because this three aspect has reduced the total amount that agricultural chemicals uses, and has reduced the agricultural chemicals use cost, has alleviated the pollution of agricultural chemicals to environment.
(4) description of drawings
Fig. 1 is for measuring the critical surface tension rectangular co-ordinate schematic diagram of target plant bud dish.
Fig. 2 is for measuring the critical surface tension rectangular co-ordinate schematic diagram of target plant paddy rice.
(5) embodiment
No. 1 product of insecticides adjuvant of the present invention provides 81 embodiment, sees Table 1-table 9.
No. 2 products of insecticides adjuvant of the present invention provide 27 embodiment, see Table 10-table 12.
The concrete application of auxiliary agent of the present invention provides following three examples.
Example one:
Measure the critical surface tension value of luxuriant dish blade.With the fresh luxuriant dish blade generate plane of gathering, be fixed on the slide, with 0.06ml castor oil (surface tension is 39.0mN/m), nitrobenzene (surface tension is 43.38mN/m), ethylene glycol (surface tension is 46.49mN/m), formamide (surface tension is 57.91mN/m) and glycerine (surface tension is 63.30mN/m) drop in blade respectively and keep the nature place to form drop, photograph drop with camera, the gas phase of measuring after suitably amplifying, the liquid level tangent line of liquid phase and solid phase intersection and the formed angle theta i in blade face are respectively 31 °, 60 °, 80 °, 130 ° and 160 °, in rectangular coordinate system, can obtain straight line L (referring to Fig. 1) with Cos θ i to the respective liquid surface tension value, straight line L is extended down to Cos θ i=1 place outward, the surface tension value that the intersection point abscissa shows is 36.5mN/m, is the critical surface tension value of luxuriant dish.Select insecticides adjuvant for use No. one (embodiment 11), add in the desinsection list soup, prevent and treat the diamond-back moth of the luxuriant dish blade of causing harm, the results are shown in table ten three in 1: 1000 ratio.The result can see that insecticides adjuvant is joined in the desinsection list soup, and 200 μ g/ml are better than desinsection list 500 μ g/ml to the control efficiency of diamond-back moth, can save agricultural chemicals more than 50% from table.
Example two:
Measure the critical surface tension value of rice leaf.With the fresh rice leaf generate plane of gathering, be fixed on the slide, with 0.06ml castor oil (surface tension is 39.0mN/m), nitrobenzene (surface tension is 43.38mN/m) and ethylene glycol (surface tension is 46.49mN/m) drop in blade respectively and keep the nature place to form drop, photograph drop with camera, the gas phase of measuring after suitably amplifying, the liquid level tangent line of liquid phase and solid phase intersection and the formed angle theta i in blade face are respectively 58 °, 100 ° and 130 °, with Cos θ i the respective liquid surface tension value is obtained straight line L (referring to Fig. 2) in rectangular coordinate system, straight line L is extended down to Cos θ i=1 place outward, the surface tension value that the intersection point abscissa shows is 37.0mN/m, is the critical surface tension value of paddy rice.Select insecticides adjuvant for use No. one (embodiment 41), add in the desinsection list soup, prevent and treat the leaf-roller of the rice leaf of causing harm in 1: 1000 ratio.Manifest symptom " Invest, Then Investigate " in that the blank appearance is caused harm by leaf-roller the results are shown in table ten four.The effect of the vermins-proof effect of desinsection list+auxiliary agent low concentration and protection rice leaf all is better than the high concentration of desinsection list, can save agricultural chemicals 50%.
Example three:
The critical surface tension value of estimation cowpea blade.With the fresh cowpea blade generate plane of gathering, fixedly on the slide, the liquid that has different surfaces tension force with 0.06ml drops in blade maintenance nature place's formation drop successively, the formed angle of liquid level tangent line and blade face of range estimation gas phase, liquid phase and solid phase intersection, by comparing repeatedly, castor oil (surface tension is 39.0mN/m) is the liquid with maximum surface tension value of complete spread, nitrobenzene (surface tension is 43.38mN/m) is for the liquid of minimum angle is arranged, so the critical surface tension value scope of cowpea blade is 39.0mN/m-43.38mN/m.Select insecticides adjuvant for use No. two (embodiment 104), add in 1: 1000 ratio in the soup of 4.5% r, control cowpea aphid the results are shown in table ten five.From table, can find, added auxiliary agent after, improved beta-cypermethrin to the control efficiency of cowpea aphid with prolonged the drug effect phase, can save agricultural chemicals about 50%.
Table one
| Embodiment content (% weight) composition | ??1 | ??2 | ??3 | ??4 | ??5 | ???6 | ???7 | ???8 | ???9 | |
| Polyvinyl alcohol (PVA) | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ???1.1 | ???1.1 | ???1.1 | ???1.1 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ???9.8 | |||||||
| ????NP-10 | ???4.1 | ???7.0 | ???9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 | |
| Water | ??91.8 | ??88.9 | ??86.2 | ??91.8 | ??88.9 | ???86.2 | ???91.8 | ???88.9 | ???86.2 | |
Embodiment table two
| Embodiment content (% weight) composition | ??10 | ??11 | ??12 | ??13 | ??14 | ??15 | ??16 | ??17 | ??18 | |
| Polyvinyl alcohol (PVA) | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??89.9 | ??87.0 | ??84.2 | ??89.9 | ??87.0 | ??84.2 | ??89.9 | ??87.0 | ??84.2 | |
Embodiment table three
Embodiment table four
| Embodiment content (% weight) composition | ??19 | ??20 | ??21 | ??22 | ??23 | ??24 | ??25 | ??26 | ??27 | |
| Polyvinyl alcohol (PVA) | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??88.4 | ??85.5 | ??82.7 | ??88.4 | ??85.5 | ??82.7 | ??88.4 | ??85.5 | ??82.7 | |
| Embodiment content (% weight) composition | ??28 | ??29 | ??30 | ??31 | ??32 | ??33 | ??34 | ??35 | ??36 | |
| Polyethylene glycol (PEG) | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | ??1.1 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??91.8 | ??88.9 | ??86.2 | ??91.8 | ??88.9 | ??86.2 | ??91.8 | ??88.9 | ??86.2 | |
Embodiment table five
| Embodiment content (% weight) composition | ??37 | ??38 | ??39 | ??40 | ??41 | ??42 | ??43 | ??44 | ??45 | |
| Polyethylene glycol (PEG) | ??9.9 | ??9.9 | ??9.9 | ??9.9 | ??9.9 | ??9.9 | ??9.9 | ??9.9 | ??9.9 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??83.0 | ??80.1 | ??77.3 | ??83.0 | ??80.1 | ??77.3 | ??83.0 | ??80.1 | ??77.3 | |
Embodiment table six
| Embodiment content (% weight) composition | ??46 | ??47 | ??48 | ??49 | ??50 | ??51 | ??52 | ??53 | ??54 | |
| Polyethylene glycol (PEG) | ??19.9 | ??19.9 | ??19.9 | ??19.9 | ??19.9 | ??19.9 | ??19.9 | ??19.9 | ??19.9 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??73.0 | ??70.0 | ??67.3 | ??73.0 | ??70.0 | ??67.3 | ??73.0 | ??70.0 | ??67.3 | |
Embodiment table seven
| Embodiment content (% weight) composition | ??55 | ??56 | ??57 | ??58 | ??59 | ??60 | ??61 | ??62 | ??63 | |
| Polyoxygenated acetyl (PEO) | ??0.6 | ??0.6 | ??0.6 | ??0.6 | ??0.6 | ??0.6 | ??0.6 | ??0.6 | ??0.6 | |
| Surfactant | ????OP-10 | ??4.11 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??92.3 | ??89.4 | ??86.6 | ??92.3 | ??89.4 | ??86.6 | ??92.3 | ??89.4 | ??86.6 | |
Embodiment table eight
| Embodiment content (% weight) composition | ??64 | ??65 | ??66 | ??67 | ??68 | ??69 | ??70 | ??71 | ??72 | |
| Polyoxygenated acetyl (PEO) | ??2.5 | ??2.5 | ??2.5 | ??2.5 | ??2.5 | ??2.5 | ??2.5 | ??2.5 | ??2.5 | |
| Surfactant | ????OP-10 | ??4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | |
| Water | ??90.4 | ??87.5 | ??84.7 | ??90.4 | ??87.5 | ??84.7 | ??90.4 | ??87.5 | ??84.7 | |
Embodiment table nine
| Embodiment content (% weight) composition | ???73 | ??74 | ??75 | ??76 | ??77 | ??78 | ??79 | ???80 | ???81 | |
| Polyoxygenated acetyl (PEO) | ???4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ??4.5 | ???4.5 | ???4.5 | |
| Surfactant | ????OP-10 | ???4.1 | ??7.0 | ??9.8 | ||||||
| ????TX-10 | ??4.1 | ??7.0 | ??9.8 | |||||||
| ????NP-10 | ??4.1 | ???7.0 | ???9.8 | |||||||
| Ethylene glycol | ???3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ???3.0 | ???3.0 | |
| Water | ???88.4 | ??85.5 | ??82.7 | ??88.4 | ??85.5 | ??82.7 | ??88.4 | ???85.5 | ???82.7 | |
Embodiment table ten
| Embodiment content (% weight) composition | ??82 | ??83 | ??84 | ??85 | ??86 | ??87 | ??88 | ??89 | ??90 |
| Polyvinyl alcohol (PVA) | ??1.1 | ??1.1 | ??1.1 | ??3.0 | ??3.0 | ??3.0 | ??4.5 | ??4.5 | ??4.5 |
| Tween-40 | ??7.1 | ??8.5 | ??9.8 | ??7.1 | ??8.5 | ??9.8 | ??7.1 | ??8.5 | ??9.8 |
| Ethylene glycol | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 | ??3.0 |
| Water | ??88.8 | ??87.4 | ??86.1 | ??86.9 | ??85.5 | ??84.2 | ??85.4 | ??84.0 | ??82.7 |
Embodiment table ten one
| Embodiment content (% weight) composition | ????91 | ??92 | ????93 | ????94 | ????95 | ????96 | ????97 | ????98 | ????99 |
| Polyethylene glycol (PEG) | ????1.1 | ??1.1 | ????1.1 | ????9.9 | ????9.9 | ????9.9 | ????19.9 | ????19.9 | ????19.9 |
| Tween-40 | ????7.1 | ??8.5 | ????9.8 | ????7.1 | ????8.5 | ????9.8 | ????7.1 | ????8.5 | ????9.8 |
| Ethylene glycol | ????3.0 | ??3.0 | ????3.0 | ????3.0 | ????3.0 | ????3.0 | ????3.0 | ????3.0 | ????3.0 |
| Water | ????88.8 | ??87.4 | ????86.1 | ????80.0 | ????78.6 | ????77.3 | ????70.0 | ????68.6 | ????67.3 |
Embodiment table ten two
| Embodiment content (% weight) composition | ??100 | ???101 | ???102 | ???103 | ???104 | ???105 | ???106 | ???107 | ???108 |
| Polyoxygenated acetyl (PEO) | ??0.6 | ???0.6 | ???0.6 | ???2.5 | ???2.5 | ???2.5 | ???4.5 | ???4.5 | ???4.5 |
| Tween-40 | ??7.1 | ???8.5 | ???9.8 | ???7.1 | ???8.5 | ???9.8 | ???7.1 | ???8.5 | ???9.8 |
| Ethylene glycol | ??3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 | ???3.0 |
| Water | ??89.3 | ???87.9 | ???86.6 | ???87.4 | ???86.0 | ???84.7 | ???85.4 | ???84.0 | ???82.7 |
Table ten three desinsection list+auxiliary agents and the former powder of solubility compare the field efficacy of diamond-back moth
(2000. Nanjing)
| Medicament | Drug concentration (μ g/ml) | The test in spring | The test in autumn | ||||
| Fate behind the medicine | Fate behind the medicine | ||||||
| ????3 | ????7 | ????10 | ????1 | ????5 | ????7 | ||
| Desinsection list+auxiliary agent | ????400 | ??80.0a | ??77.3a | ??86.0a | ??81.4a | ??80.8a | ??86.7a |
| ????300 | ??77.5a | ??82.5a | ??83.6a | ??78.5a | ??85.3a | ??85.4a | |
| ????200 | ??76.3a | ??74.5a | ??75.4b | ??77.7a | ??80.9a | ??80.8a | |
| The desinsection list | ????500 | ??46.7b | ??58.0b | ??29.9c | ??53.8b | ??71.3b | ??34.9b |
Annotate: data are the mean of 4 repetitions in the table, and a, b, c represent 005 level difference significance.
Table ten four desinsection list+auxiliary agents and the former powder of solubility are to rice leaf folder
Field efficacy is (10 days results behind the medicine) relatively
(Wujiang, 2001.8 Suzhou)
| Medicament | Drug concentration (μ g/ml) | Vermins-proof effect | Protect the leaf effect | ||
| Residual worm amount | Relative control effect (%) | The leaf roll number | Protect leaf effect (%) | ||
| The desinsection list | ????400 | ????17 | ????79.8 | ????42 | ????72.2 |
| ????600 | ????13 | ????84.5 | ????33 | ????78.2 | |
| ????800 | ????10 | ????88.1 | ????26 | ????82.8 | |
| Desinsection list+auxiliary agent | ????400 | ????6 | ????92.9 | ????17 | ????88.7 |
| ????600 | ????3 | ????96.4 | ????12 | ????92.1 | |
| ????800 | ????1 | ????98.8 | ????9 | ????94.0 | |
| Blank | ????84 | ????151 | |||
Table 15 4.5% beta-cypermethrins and 4.5% beta-cypermethrin EC+ auxiliary agent
Drug effect to the cowpea aphid compares
(2001.7 Nanjing)
| Medicament | Drug concentration (μ g/ml) | Control efficiency (%) | |||
| Medicine one day after | Behind the medicine five days | Behind the medicine ten days | Behind the medicine 15 days | ||
| 4.5% beta-cypermethrin EC | ????30.0 | ????99.60 | ????99.87 | ????99.86 | ????91.15 |
| ????15.0 | ????83.52 | ????94.76 | ????90.87 | ????80.65 | |
| ????7.5 | ????80.31 | ????84.68 | ????81.71 | ????68.47 | |
| 4.5% beta-cypermethrin EC+ auxiliary agent | ????30.0 | ????99.65 | ????100.00 | ????99.81 | ????98.89 |
| ????15.0 | ????95.47 | ????96.38 | ????97.43 | ????97.34 | |
| ????7.5 | ????90.57 | ????93.87 | ????94.65 | ????92.59 | |
Claims (12)
1, a kind of No. 1, insecticides adjuvant that promotes that agricultural chemicals effectively utilizes is characterized in that auxiliary agent is formed to be expressed as follows with weight proportion:
Excipient 1-20
Surfactant 4-20
The diluent water capacity
Described excipient is one of following three kinds: polyvinyl alcohol, polyethylene glycol, polyethylene glycol oxide; Described surfactant is one of following three kinds: secondary octyl phenol polyethenoxy (10) ether, alkylphenol-polyethenoxy (10) ether, Nonyl pheno (10) ether (NP-10).
2, No. 1, insecticides adjuvant according to claim 1, it is characterized in that the preferred weight proportioning when excipient is polyvinyl alcohol is expressed as follows:
Excipient polyvinyl alcohol 1-5
Surfactant 4-10
The diluent water capacity.
3, No. 1, insecticides adjuvant according to claim 1, it is characterized in that the preferred weight proportioning when excipient is polyethylene glycol is expressed as follows:
Excipient polyethylene glycol 1-20
Surfactant 4-10
The diluent water capacity.
4, No. 1, insecticides adjuvant according to claim 1, it is characterized in that the preferred weight proportioning when excipient is polyethylene glycol oxide is expressed as follows:
Excipient polyvinyl alcohol 1-10
Surfactant 8-20
The diluent water capacity.
5, No. 1, insecticides adjuvant according to claim 1, it is characterized in that wherein adding the antifreezing agent of weight proportion 3-6.
6, a kind of No. 2, insecticides adjuvant that promotes that agricultural chemicals effectively utilizes is characterized in that auxiliary agent is formed to be expressed as follows with weight proportion:
Excipient 1-20
Polyoxyethylene (20) anhydrous sorbitol monopalmitate 7-20
The diluent water capacity
Described excipient is one of following three kinds: polyvinyl alcohol, polyethylene glycol, polyethylene glycol oxide.
7, No. 2, insecticides adjuvant according to claim 6, it is characterized in that the preferred weight proportioning when excipient is polyvinyl alcohol is expressed as follows:
Excipient polyvinyl alcohol 1-5
Polysorbate40 7-10
The diluent water capacity.
8, No. 2, insecticides adjuvant according to claim 6, it is characterized in that the preferred weight proportioning when excipient is polyethylene glycol is expressed as follows:
Excipient polyethylene glycol 1-20
Polysorbate40 7-10
The diluent water capacity.
9, No. 2, insecticides adjuvant according to claim 6, it is characterized in that the preferred weight proportioning when excipient is polyethylene glycol oxide is expressed as follows:
Excipient polyvinyl alcohol 1-10
Polysorbate40 14-20
The diluent water capacity.
10, No. 2, insecticides adjuvant according to claim 6, it is characterized in that wherein adding the antifreezing agent of weight proportion 3-6.
11, promote the using method of the insecticides adjuvant that agricultural chemicals effectively utilizes, comprise the steps: the critical surface tension of (1) mensuration target plant, fresh blade generate plane with the target plant of gathering, on the fixing slide, drop in blade maintenance nature place's formation drop respectively with being no less than three kinds of liquid with same volume of different surfaces tension force, measure gas phase, the liquid level tangent line of liquid phase and solid phase intersection and the formed angle theta i in blade face, in rectangular coordinate system, can get straight line L to the respective liquid surface tension value with Cos θ i, straight line L is extended down to Cos θ i=1 place outward, and the surface tension value that the intersection point abscissa shows is the critical surface tension value of target plant; (2) select the insecticides adjuvant that is fit to target critical surface tension value for use, join in the soup, be sprayed onto on the target plant with suitable amount.
12, promote the using method of the insecticides adjuvant that agricultural chemicals effectively utilizes, comprise the steps: the critical surface tension of (1) estimation target plant, fresh blade generate plane with the target plant of gathering, be fixed on the slide, liquid with the same volume with different surfaces tension force drops in blade maintenance nature place's formation drop successively, the range estimation gas phase, the formed angle of the liquid level tangent line of liquid phase and solid phase intersection and blade face, by comparing repeatedly, with the maximum surface tension of liquid value of complete spread with the scope of the surface tension of liquid value of minimum angle as the critical surface tension value of target plant arranged; (2) select the insecticides adjuvant that is fit to target critical surface tension value for use, join in the soup, be sprayed onto on the target plant with suitable amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112645 CN1209963C (en) | 2002-02-07 | 2002-02-07 | Pesticide assistant for promoting effective utilization of pesticide and its usage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112645 CN1209963C (en) | 2002-02-07 | 2002-02-07 | Pesticide assistant for promoting effective utilization of pesticide and its usage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1436458A true CN1436458A (en) | 2003-08-20 |
| CN1209963C CN1209963C (en) | 2005-07-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02112645 Expired - Fee Related CN1209963C (en) | 2002-02-07 | 2002-02-07 | Pesticide assistant for promoting effective utilization of pesticide and its usage |
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| CN (1) | CN1209963C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105010314A (en) * | 2015-07-03 | 2015-11-04 | 深圳诺普信农化股份有限公司 | Pesticide diluent and preparation method and applications thereof |
| CN105176049A (en) * | 2015-07-27 | 2015-12-23 | 北京天恒盛通科技发展有限公司 | Composition for preventing water-drops from bouncing and sputtering on super-hydrophobic surface |
| CN108293987A (en) * | 2017-01-11 | 2018-07-20 | 北京赛特超润界面科技有限公司 | A kind of composition preventing drop rebound and sputtering on super hydrophobic surface and its application in pesticide |
| CN115812703A (en) * | 2021-12-24 | 2023-03-21 | 中国农业大学 | Application of water-soluble packaging bag in pesticide application reduction and efficiency improvement |
-
2002
- 2002-02-07 CN CN 02112645 patent/CN1209963C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105010314A (en) * | 2015-07-03 | 2015-11-04 | 深圳诺普信农化股份有限公司 | Pesticide diluent and preparation method and applications thereof |
| CN105176049A (en) * | 2015-07-27 | 2015-12-23 | 北京天恒盛通科技发展有限公司 | Composition for preventing water-drops from bouncing and sputtering on super-hydrophobic surface |
| CN105176049B (en) * | 2015-07-27 | 2018-06-19 | 北京天恒盛通科技发展有限公司 | Prevent the composition of water droplet rebound and sputtering on super hydrophobic surface |
| CN108293987A (en) * | 2017-01-11 | 2018-07-20 | 北京赛特超润界面科技有限公司 | A kind of composition preventing drop rebound and sputtering on super hydrophobic surface and its application in pesticide |
| CN115812703A (en) * | 2021-12-24 | 2023-03-21 | 中国农业大学 | Application of water-soluble packaging bag in pesticide application reduction and efficiency improvement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1209963C (en) | 2005-07-13 |
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