CN104770365A

CN104770365A - Application of sweetening agent to control of fruit fly pests

Info

Publication number: CN104770365A
Application number: CN201510104992.7A
Authority: CN
Inventors: 许益镌; 郑春艳; 曾玲
Original assignee: South China Agricultural University
Current assignee: South China Agricultural University
Priority date: 2015-03-10
Filing date: 2015-03-10
Publication date: 2015-07-15

Abstract

The invention belongs to the technical field of pest control, and in particular to application of a sweetening agent to control of fruit fly pests. The sweetening agent is at least one selected from the group containing erythritol, aspartame and saccharin; the dosage of the erythritol is 0.0012-0.24g / ml; the dosage of aspartame is 0.000625-0.01 g / ml; and the dosage of saccharin is 0.000214-0.003389g / ml. the invention also provides a pesticide preparation for control of fruit fly pests. The pesticide contains at least one of the erythritol, aspartame and saccharin. Sweetening agent screened by the invention has good insecticidal effect on citrus fruit fly, is easily available in actual production and pollution-free to the environment, can be used as a food additive for the control of fruit fly pests.

Description

The application of a kind of sweetener in control Fruit fly

Technical field

The invention belongs to PCO technical field, be specifically related to the application of a kind of sweetener in control Fruit fly.

Background technology

Citrus fruit fly (Bactrocera dorsalis Hendel) is one of destructive pest of south east asia most, be distributed widely in the areas such as south China Guangdong, Fujian, Guangxi, 250 various plants such as harm guava, carambola, mango, oranges and tangerines, cause huge economic loss.And domestic current Main Means, still with chemical pesticide control, is prevented and treated with the use of gyplure, food attractant, release parasitic wasp and the means such as bagging, clear garden in control simultaneously.Prevent and treat just because of a large amount of use chemical pesticides, result in the drug-fast generation of citrus fruit fly.Consider the pollution of chemical agent to environment, people pay close attention to the processing method to polluting nontoxic or low toxicity gradually.Therefore, finding effective natural products for the control of Fruit fly is one of important research direction of trypetid prevention and control.

Sweetener refers to that imparting food or feed are with the food additive of sweet taste.The sweetener used in the world is a lot, has several different sorting technique: can be divided into natural sweetener and artificial synthesis edulcorant by its source.Natural sweetener is widely used as food additives and is used, and a large amount of documents shows that the mankind have good adaptability for natural sweetener, and many natural sweeteners that truly has also are consumed in a large number by the mankind every day.But the mankind mainly rest on the role of food additives for stevioside understanding, other function for it but lacks understanding, especially about the use of sweetener in injurious insect control field have not been reported.

Summary of the invention

In order to overcome the deficiencies in the prior art and shortcoming, primary and foremost purpose of the present invention is to provide the application of a kind of sweetener in control Fruit fly.

Another object of the present invention is to provide a kind of pesticidal preparations preventing and treating Fruit fly.

Object of the present invention is achieved through the following technical solutions:

The application of sweetener in control Fruit fly, described sweetener is at least one in antierythrite, Aspartame and asccharin;

The using dosage of described antierythrite is 0.0012 ~ 0.24g/mL; Preferred using dosage is 0.0012 ~ 0.2g/mL;

The using dosage of described Aspartame is 0.000625 ~ 0.01g/mL; Preferred using dosage is 0.001 ~ 0.01g/mL;

The using dosage of described asccharin is 0.000214 ~ 0.003389g/mL; Preferred using dosage is 0.0003 ~ 0.003g/mL;

Described sweetener mesoerythrit is natural sweetener;

Described sweetener can be processed as the formulations of pesticide such as poison bait further for preventing and treating Fruit fly;

Described Fruit fly is preferably citrus fruit fly (Bactrocera dorsalis Hendel);

Prevent and treat a pesticidal preparations for Fruit fly, comprise at least one in above-mentioned antierythrite, Aspartame and asccharin;

The present invention has following advantage and effect relative to prior art:

(1) sweetener that the present invention never obtains having citrus fruit fly good toxic action with screening in natural and artificial sweetening agent is antierythrite, Aspartame and asccharin.

(2) sweetener that the present invention screens easily obtains in actual production, all can be used as food additives, non-environmental-pollution, can be applicable to the control of citrus fruit fly.

(3) sweetener that screens of the present invention same good toxic action in other harmful trypetid prevents and treats, has boundless application prospect.

Accompanying drawing explanation

Fig. 1 is the interpretation of result figure of different sweetener to the toxic action of citrus fruit fly.

Fig. 2 is the dose effect interpretation of result figure of antierythrite to citrus fruit fly toxic action.

Fig. 3 is the dose effect interpretation of result figure of Aspartame to citrus fruit fly toxic action.

Fig. 4 is the dose effect interpretation of result figure of asccharin to citrus fruit fly toxic action.

Embodiment

Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.

The different sweetener of embodiment 1 compares citrus fruit fly toxic effect

Random choose 30 citrus fruit fly adults (for examination worm source from Insect Ecology research department of Agricultural University Of South China) put into wooden dependent insect cage, the edulcorant aqueous solution (asccharin, antierythrite, Aspartame, glucose, fructose) of feeding every day different, wherein, asccharin is indissoluble comparatively, its concentration is 0.001g/mL, and the final concentration of other sweeteners is 0.01g/mL; Within every 12 hours, observe survival number.Test sucrose solution is contrast, and each concentration for the treatment of repeats 5 times.

Test result is as follows:

Result of study shows, several sweetener for examination all exists toxic action to citrus fruit fly, and after raising with sweetener soln, the lethality of citrus fruit fly is all higher than contrast.For examination several sweeteners in again with antierythrite, Aspartame and asccharin most lethal effect, with these two kinds of sweeteners feed raise 84h after lethality reach more than 95%.Result illustrates that these three kinds of sweeteners have a good application prospect (Fig. 1).

Embodiment 2 antierythrite is to the dose effect of citrus fruit fly toxic action

For evaluation agent graded effect, the present embodiment is chosen antierythrite and is measured.During test, random choose 30 citrus fruit fly adults put into wooden dependent insect cage, the antierythrite aqueous solution of feed every day 0.24,0.12,0.06,0.012 and 0.0012g/mL, and within every 12 hours, observe survival number, each concentration for the treatment of repeats 5 times.

Test result is as follows:

The present embodiment tests the toxic effect to citrus fruit fly under antierythrite variable concentrations condition, and result shows that the toxic action of this natural sweetener to citrus fruit fly there is no obvious dose effect.Namely the antierythrite solution of low concentration is fed when raising and just can be reached higher lethality (Fig. 2).

Embodiment 3 Aspartame is to the dose effect of citrus fruit fly toxic action

For evaluation agent graded effect, the present embodiment is chosen Aspartame and is measured.During test, random choose 30 citrus fruit fly adults put into wooden dependent insect cage, the Aspartame aqueous solution of feed every day 0.01,0.005,0.0025,0.00125 and 0.000625g/mL, and within every 12 hours, observe survival number, each concentration for the treatment of repeats 5 times.

Test result is as follows:

The present embodiment tests the toxic effect to citrus fruit fly under Aspartame variable concentrations condition, and result shows that the toxic action of this natural sweetener to citrus fruit fly there is no obvious dose effect.Namely the Aspartame solution of low concentration is fed when raising and just can be reached higher lethality (Fig. 3).

Embodiment 4 asccharin is to the dose effect of citrus fruit fly toxic action

For evaluation agent graded effect, the present embodiment is chosen asccharin and is measured.During test, random choose 30 citrus fruit fly adults put into wooden dependent insect cage, the saccharin solution of feed every day 0.003389,0.0017,0.0085,0.000425 and 0.000214g/mL, and within every 12 hours, observe survival number, each concentration for the treatment of repeats 5 times.

Test result is as follows:

The present embodiment tests the toxic effect to citrus fruit fly under asccharin variable concentrations condition, and result shows that the toxic action of this natural sweetener to citrus fruit fly there is no obvious dose effect.Namely the liquor saccharini of low concentration is fed when raising and just can be reached higher lethality (Fig. 4).

Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.

Claims

1. the application of sweetener in control Fruit fly, is characterized in that: described sweetener is at least one in antierythrite, Aspartame and asccharin.

2. the application of sweetener according to claim 1 in control Fruit fly, is characterized in that:

The using dosage of described antierythrite is 0.0012 ~ 0.24g/mL.

3. the application of sweetener according to claim 2 in control Fruit fly, is characterized in that:

The using dosage of described antierythrite is 0.0012 ~ 0.2g/mL.

4. the application of sweetener according to claim 1 in control Fruit fly, is characterized in that:

The using dosage of described Aspartame is 0.000625 ~ 0.01g/mL.

5. the application of sweetener according to claim 4 in control Fruit fly, is characterized in that:

The using dosage of described Aspartame is 0.001 ~ 0.01g/mL.

6. the application of sweetener according to claim 1 in control Fruit fly, is characterized in that:

The using dosage of described asccharin is 0.000214 ~ 0.003389g/mL.

7. the application of sweetener according to claim 6 in control Fruit fly, is characterized in that:

The using dosage of described asccharin is 0.0003 ~ 0.003g/mL.

8. the application of sweetener according to claim 1 in control Fruit fly, is characterized in that:

Described Fruit fly is citrus fruit fly.

9. prevent and treat a pesticidal preparations for Fruit fly, it is characterized in that: comprise at least one in antierythrite, Aspartame and asccharin.