CN103493669B - Method for continuously preventing and treating bemisia tabaci by applying pesticides in tomato seedling raising period - Google Patents
Method for continuously preventing and treating bemisia tabaci by applying pesticides in tomato seedling raising period Download PDFInfo
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- CN103493669B CN103493669B CN201310474349.4A CN201310474349A CN103493669B CN 103493669 B CN103493669 B CN 103493669B CN 201310474349 A CN201310474349 A CN 201310474349A CN 103493669 B CN103493669 B CN 103493669B
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Abstract
The invention discloses a method for continuously preventing and treating bemisia tabaci by applying pesticides in a tomato seedling raising period. The method comprises the steps that tomato seedling raising is conducted in a plug seedling method; the insecticides are prepared by evenly mixing imidacloprid dispersible granules and root feed; when tomato seedlings grow to have 3-4 true leaves, insecticide processing is conducted; hole trays for seedling raising are placed in liquid containing troughs, and the insecticides and water added into the liquid containing trough according to the number of the seedlings in the hole trays; transplantation is conducted one week after the insecticides are applied. According to the method for continuously preventing and treating the bemisia tabaci by applying the pesticides in the tomato seedling raising period, the imidacloprid and the root feed are used in a combined mode, plants absorb the systemic imidacloprid under the absorptive action of roots, so that the bemisia tabaci is prevented and treated continuously, and meanwhile the root feed facilitates growth of the roots of the plants; the ability of the roots to absorb the pesticides can be enhanced, growth of the plants is facilitated, the strong tomato seedlings resisting to pests continuously are obtained, harm to the environment and other beneficial organisms is small, and an efficient and environmental-friendly pesticide application technology is achieved.
Description
Technical field
The invention belongs to agricultural operation technical field, relate in particular to a kind of tomato seedling phase dispenser and continue to prevent and treat the method for Bemisia tabaci.
Background technology
Tomato is a kind of vegetable crop that Important Economic is worth that has, and extensively plantation, especially at protection ground establishing in large scale.
Tomato yellow leaf curl virus is the crushing virus disease of the one of cultivation tomato, when outburst, can cause the total crop failure of tomato, and Bemisia tabaci is unique carrier of this virus, virus can at least transmit for two generations by ovum, serious for tomato production harm, the generation of therefore effectively controlling Bemisia tabaci is significant for tomato production.
At present to the control of Bemisia tabaci mainly taking chemical control as main, and main application method carries out reagent spray after occurring in Bemisia tabaci, dosage is large, and medicament is scattered dispenser personnel's health is worked the mischief simultaneously, also can polluted-water, cause great ecological negative effect; In addition the lasting period after spray pesticide short, need repeatedly dispenser, can greatly increase Financial cost.
There are some researches show, utilize the interior absorption of medicament to carry out root medication, can significantly improve lasting effect and the utilization ratio of medicament, traditional root administrated method is the method that adopts ditch spread or spread manuer in holes behind field at crop-planting, also can bring dosage large, the trouble wasting time and energy, and at nursery stage, plant is relatively concentrated, especially condition is easily controlled, more conveniently carry out medication, adopt the method for root absorption liquid easy, save labour, and can bring into play rapidly drug effect and after transplanting, in long period of time, effectively prevent and treat the harm of Bemisia tabaci, also can reduce the generation of virus disease simultaneously.
The scale of the factorial seedling growth of tomato is constantly expanding and will become following trend of producing, for providing healthy and strong pest-resistant seedling, plantation family will become following one needs, also be the important means that improves the market competitiveness, therefore applying simple and effective medicament processing method at nursery stage is a kind of important application technology simultaneously.
There are some researches show, root manure must have strong crop root, strengthens its regeneration capacity; Significantly improve crop yield and quality, weaken the features such as disease incidence.
At present, how to improve availability and the lasting effect of medicament, after transplanting, in the regular period, avoid using chemical pesticide, reduce production costs, reduce workload, improve product quality, promote that increasing peasant income are a great problems that is perplexing people always.
Summary of the invention
The object of the present invention is to provide a kind of tomato seedling phase dispenser to continue to prevent and treat the method for Bemisia tabaci, be intended to solve and prevent and treat that the availability of Bemisia tabaci medicament is low and lasting effect is poor, use chemical pesticide frequent after tomato is transplanted, production cost is high, workload is large, the problem that farmers' income is low.
The present invention realizes like this, the dispenser of tomato seedling phase continues to prevent and treat a method for Bemisia tabaci, and this tomato seedling phase dispenser continues to prevent and treat the method for Bemisia tabaci and utilizes the medication of root absorption mode, adopts pesticide imidacloprid must be combined with root manure, continue prevention and control Bemisia tabaci, concrete steps are as follows:
Step 1, employing point disk seedling growing method are carried out tomato seedling;
Step 2, Imidacloprid dispersible granule must be mixed with root manure, be mixed with medicament;
Step 3, the chemicals treatment of carrying out in the time that tomato seedling grows to 3-4 sheet true leaf;
Step 4, the cave dish of growing seedlings is put into liquid holding groove, add medicament and add water in liquid holding groove according to the quantity of seedling in the dish of cave;
Step 5,, after one week, transplant in dispenser.
Further, the soil of growing seedlings in step 1 is added water to mix by the mass ratio of matrix: vermiculite=10:1 and makes, and the native water content of growing seedlings is 60%, packs the rear compacting of cave dish into.
Further, step 2 Chinese medicine is by every strain consumption preparation, and the active ingredient of Imidacloprid is: 10mg/ strain～12mg/ strain, and root manure obtains consumption and is: 0.02ml/ strain～0.08ml/ strain, medicament is first configured to mix mother liquor, draws interpolation in use by the quantity of tomato seedling.
Further, when Growth of Tomato Seedling is to 3-4 sheet true leaf in step 3, carry out chemicals treatment, a few days ago can not water in medication.
Further, step 4 is as follows to the method that adds medicament in liquid holding groove and add water:
In liquid holding groove, flood cave tray bottom 1.5cm-2cm;
Dispenser is carried out between the lights, after medication, as need water, directly in liquid holding groove, adds, and avoids spray to water.
Further, in step 5, the tomato seedling of dispenser carries out chamber planting, also can carry out field-transplanting, in the 3-5 after transplanting days, does not adopt flood irrigation to water, and carries out normal management after 3-5 days.
The method that tomato seedling phase dispenser provided by the invention continues to prevent and treat Bemisia tabaci has following advantage:
(1) after dispenser, can bring into play in a short time drug effect, after medication 2d, the lethality of adult 48h can reach more than 90%.
(2) Bemisia tabaci is had to lasting preventive effect, every strain tomato consumption is: Imidacloprid: 12mg/ strain, and root manure obtains: 0.02ml/ strain; 40-50 days after dispenser, adult lethality more than 60%, by ovum to the survival rate of adult below 10%, especially in 30 days adult lethality more than 80%, by ovum to the survival rate of adult below 3%.Obtain 0.08ml and after dispenser, in 30-40 days, all there is good effect and every strain consumption is Imidacloprid 10mg/ root manure, adult lethality more than 60%, by ovum to the survival rate of adult below 10%.
(3) growth of promotion tomato seedling, is processing 10 days, and 20 days, the plant height of processing seedling, the fresh weight of root and whole strain, dry weight is significantly increase of contrast all, on average increases 10%-20% left and right.
(4) dispenser is time saving and energy saving, can disposable extensive dispenser, and only need a certain amount of liquid mother liquor be added in liquid holding groove according to the total amount of plant, then add water as required, upwards absorbed by matrix and root, can save a large amount of labours.
(5) medicament utilization ratio is high, and this method can farthest ensure that medicament is fully absorbed utilization.
(6) avoid environmental pollution, whole medicine processing procedure is carried out in indoor liquid holding groove, can not pollute environment and water body.
Brief description of the drawings
Fig. 1 is that tomato seedling phase dispenser provided by the invention continues to prevent and treat the method flow diagram of Bemisia tabaci.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows tomato seedling phase dispenser provided by the invention continues the flow process of the method for preventing and treating Bemisia tabaci.For convenience of explanation, only show part related to the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
Embodiment 1:
The dispenser of tomato seedling phase continues to prevent and treat the method for Bemisia tabaci, comprises the following steps:
(1) adopt seedling culture hole plate to carry out tomato seedling;
(2) imidacloprid water dispersible granule must be mixed with root manure, be mixed with mother liquor (medicament); Dosing is: Imidacloprid active ingredient: 10mg/ strain, and root manure obtains: 0.08ml/ strain;
(3) in the time that growing to 3-4 sheet true leaf, above-mentioned tomato seedling carries out chemicals treatment;
(4) above-mentioned seedling culture hole plate is put into liquid holding groove, flood cave tray bottom 1.5-2cm to adding medicament and add water in groove;
(5) make after with medicament, reduce and water the water yield as far as possible, especially avoiding a large amount of sprays to water, can in liquid holding groove, water on a small quantity, ensureing the normal growth of seedling;
(6), after about one week, can transplant in dispenser;
(7) the above-mentioned transplantation of seedlings initial stage can not water in broad irrigation, waters on a small quantity, and the later stage just can normally water.
In step (1), grow seedlings soil for the ratio of seedling medium: vermiculite=10:1, and need add water and mix, make its water content reach 60% and be advisable, pack compacting, normally sowing after the dish of cave into.
In step (4), the size of liquid holding groove is determined because of the actual scale of growing seedlings, and 1.5-2cm need be flooded in seedling culture hole plate bottom but need ensure the medicament in liquid holding groove, the full and uniform absorption of guarantee medicament, and pharmacy application is advisable to carry out between the lights chemicals treatment.
Step (5) is in a week after chemicals treatment, according to plant needs, can in liquid holding groove, add a small amount of clear water, is upwards absorbed by root and seedling medium, avoids a large amount of sprays to water.
In step (6), treat that chemicals treatment can transplant for about one week, before transplanting, water on a small quantity, guarantee complete taking-up grow seedlings soil and root.
Step (7), after transplanting, can water on a small quantity, avoids a large amount of flood irrigations to water, and after about one week, can normally water.
The present embodiment adult lethality of 48 hours after medication 2d can reach more than 90%, processing 10 days, and 20 days, the plant height of processing seedling, the fresh weight of root and whole strain, dry weight is contrast increase all, on average increases 10%-20% left and right.After dispenser, in 30-40 days, all there is good effect, adult lethality more than 60%, by ovum to the survival rate of adult below 10%.
Embodiment 2:
The dispenser of tomato seedling phase continues to prevent and treat the method for Bemisia tabaci, comprises the following steps:
(1) adopt seedling culture hole plate to carry out tomato seedling;
(2) imidacloprid water dispersible granule must be mixed with root manure, be mixed with mother liquor; Dosing is: Imidacloprid (active ingredient): 12mg/ strain, root manure obtains: 0.02ml/ strain
(3) in the time that growing to 3-4 sheet true leaf, above-mentioned tomato seedling carries out chemicals treatment;
(4) above-mentioned seedling culture hole plate is put into liquid holding groove, flood cave tray bottom 1.5-2cm to adding medicament and add water in groove;
(5) make after with medicament, reduce and water the water yield as far as possible, especially avoiding a large amount of sprays to water, can in liquid holding groove, water on a small quantity, ensureing the normal growth of seedling;
(6), after about one week, can transplant in dispenser
(7) the above-mentioned transplantation of seedlings initial stage can not water in broad irrigation, waters on a small quantity, and the later stage just can normally water.
In step (1), grow seedlings soil for the ratio of seedling medium: vermiculite=10:1, and need add water and mix, make its water content reach 60% and be advisable, pack compacting, normally sowing after the dish of cave into.
Pharmaceutical quantities in step (3) is processed and be there will be slight poisoning phenomenon at the initial stage after treatment, but in transplanting latter about 20 days, and symptom of chemical damage disappears, can normal growth, and applicable non-commercial is grown seedlings.
In step (4), the size of liquid holding groove is determined because of the actual scale of growing seedlings, and seedling culture hole plate bottom need be flooded to the height of 1.5-2cm but need ensure the medicament in liquid holding groove, the full and uniform absorption of guarantee medicament, and pharmacy application is advisable to carry out between the lights chemicals treatment.
Step (5) is in a week after chemicals treatment, according to plant needs, can in liquid holding groove, add a small amount of clear water, is upwards absorbed by root and seedling medium, avoids a large amount of sprays to water.
In step (6), treat that chemicals treatment can transplant for about one week, before transplanting, water on a small quantity, guarantee complete taking-up matrix and root.
In step (7), after transplanting, can water on a small quantity, avoid a large amount of flood irrigations to water, after about one week, can normally water.
The present embodiment adult lethality of 48 hours after medication 2d can reach more than 90%, processing 10 days, and 20 days, the tomato seedling plant height of processing, the fresh weight of root and whole strain, dry weight is contrast increase all, on average increases 10%-20% left and right.
40-50 days after dispenser, adult lethality more than 60%, by ovum to the survival rate of adult below 10%, especially in 30 days adult lethality more than 80%, by ovum to the survival rate of adult below 3%.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. a tomato seedling phase dispenser continues to prevent and treat the method for Bemisia tabaci, it is characterized in that, this tomato seedling phase dispenser continues to prevent and treat the method for Bemisia tabaci and utilizes the medication of root absorption mode, adopt pesticide imidacloprid must be combined with plant growth regulator root manure, continue prevention and control Bemisia tabaci, concrete steps are as follows:
Step 1, employing point disk seedling growing method are carried out tomato seedling; The soil of growing seedlings is added water to mix by the mass ratio of matrix: vermiculite=10:1 and makes, and the native water content of growing seedlings is 60%, packs the rear compacting of cave dish into;
Step 2, Imidacloprid dispersible granule must be mixed with root manure, be mixed with medicament; Medicament is by every strain consumption preparation, and the active ingredient of Imidacloprid is: 10mg/ strain～12mg/ strain, and root manure obtains consumption and is: 0.02ml/ strain～0.08ml/ strain, medicament is first configured to mix mother liquor, draws interpolation in use by the quantity of tomato seedling;
Step 3, in the time that tomato seedling grows to 3-4 sheet true leaf, carry out chemicals treatment, a few days ago can not water in medication;
Step 4, the cave dish of growing seedlings is put into liquid holding groove, add medicament and add water in liquid holding groove according to the quantity of seedling in the dish of cave; As follows to the method that adds medicament in liquid holding groove and add water:
In liquid holding groove, flood cave tray bottom 1.5cm-2cm;
Dispenser is carried out between the lights, after medication, as need water, directly in liquid holding groove, adds, and avoids spray to water;
Step 5,, after one week, transplant in dispenser; The tomato seedling of dispenser carries out chamber planting, also can carry out field-transplanting, in the 3-5 after transplanting days, does not adopt flood irrigation to water, and carries out normal management after 3-5 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310474349.4A CN103493669B (en) | 2013-10-12 | 2013-10-12 | Method for continuously preventing and treating bemisia tabaci by applying pesticides in tomato seedling raising period |
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| CN201310474349.4A CN103493669B (en) | 2013-10-12 | 2013-10-12 | Method for continuously preventing and treating bemisia tabaci by applying pesticides in tomato seedling raising period |
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| CN107212029A (en) * | 2017-05-24 | 2017-09-29 | 江苏省农业科学院 | Herba Agrimoniae extract is being prepared for removing the application in tomato plant in the medicine of plant virus |
| CN108012728A (en) * | 2017-11-24 | 2018-05-11 | 山东省寿光蔬菜产业集团有限公司 | A kind of control method of tomato chlorisis virosis |
| CN108112428A (en) * | 2017-11-24 | 2018-06-05 | 山东省寿光蔬菜产业集团有限公司 | A kind of control method of tomato yellow leaf curl virus disease |
| CN110999694A (en) * | 2020-02-27 | 2020-04-14 | 天津市植物保护研究所 | Method for green prevention and control of bemisia tabaci and TYLCV in tomato seedling stage |
| CN110999695A (en) * | 2020-02-27 | 2020-04-14 | 天津市植物保护研究所 | Method for indoor evaluation of effects of insecticide on prevention and control of tomato bemisia tabaci and TYLCV |
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| CN101209012A (en) * | 2006-12-26 | 2008-07-02 | 天津市植物保护研究所 | Method for preventing and controlling whitefly in protected vegetable |
| JP5365160B2 (en) * | 2008-11-25 | 2013-12-11 | 住友化学株式会社 | Pest control composition and pest control method |
| JP5365159B2 (en) * | 2008-11-25 | 2013-12-11 | 住友化学株式会社 | Pest control composition and pest control method |
| JP2010222343A (en) * | 2009-02-26 | 2010-10-07 | Sumitomo Chemical Co Ltd | Pest control composition |
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