CN103828830B - Pesticide containing thiamethoxam and chlorothalonil and production process of pesticide - Google Patents

Abstract

The invention provides a pesticide containing thiamethoxam and chlorothalonil and a production process of pesticide, belonging to the technical field of pesticides. The pesticide is prepared from active ingredients, namely 5-10% of thiamethoxam and 50-70% of chlorothalonil, and the balance being assistants. The pesticide is only required to be applied one time in a grand growth period of sugarcane, compared with the prior art, the pesticide has the advantage that one application operation is reduced, can effectively control diseases and pests such as sugarcane cottony aphid, sugarcane thrips, sugarcane top rot and sugarcane brown streak when applied in the grand growth period (diseases and pests occur) of sugarcane, has high control effect (up to 98-100%) on sugarcane cottony aphid, high control effect (up to 81-87%) on sugarcane top rot and high control effect (up to 80-82%) on sugarcane brown streak, effectively solves the industrial technology problem that composite high-efficiency low-toxicity pesticide for killing pests and preventing diseases is lacked when diseases and pests occur in the grand growth period of sugarcane, has multiple purposes, is convenient to use, and achieves the effect of reducing labor and prevention and control cost.

Description

A kind of agricultural chemicals and production technology containing Diacloden and tpn

Technical field

The invention belongs to technical field of pesticide, be specifically related to a kind of agricultural chemicals and the production technology that contain Diacloden and tpn.

Background technology

Diacloden is a kind of novel anabasine insecticide with unique texture and excellent pesticidal activity, there is stomach toxicity and contact toxicity, interior absorption is strong, insecticidal spectrum is wide, having excellent preventive effect to the suckings pest such as aphid, thrips, leafhopper, aleyrodid, plant hopper and lepidoptera pest and to the pest population that other kind medicaments produce resistance, is enjoy the outstanding kind of gazing in integrated pest management.

Tpn is wide spectrum, protectiveness chemical bactericide, and its mechanism of action is that glyceraldehyde 3-phosphate dehydrogenase is combined in fungal cell, destroys its activity, thus destroys cell metabolism, finally kill fungi.Can be well attached after being sprayed on plant surface, the drug effect phase is longer.

Sugarcane is the most important sugar [yielding of China, and its output of sugar accounts for more than 90% of the total output of sugar in the whole nation, in agricultural economy income, occupy important position and effect.But in recent years, along with industry restructuring, plant sugarcane enlarged areas, planting patterns changes and sugarcane district climatic anomaly, the multiple pests such as sugarcane Pest organism are ascendant trend year by year, cause heavy losses to sugarcane production.Pest causes the potential loss rate of sugarcane production to reach 15% ~ 30%.The sugarcane grand period of growth in 7 ~ August is sugarcane high-yield high sugar cultivation most critical period, it is also now the multiple damage by disease and insect mixing eruption and prevalence phase such as sugar cane cottony aphid, thrips, sugarcane toppers maize ear rot, brown streak, the normal sugarcane jointing that hinders of sick worm harm extends, cause the underproduction to subtract sugar, scientific and effective prevention and control damage by disease and insect in this good is the basic guarantee realizing " two high " (high yield, high sugar) sugarcane target in period.The sugarcane grand period of growth, the extermination of disease and insect pest was mainly based on chemical control, chemical pesticide instant effect, but conventional pesticide controlling object is single, multiple damage by disease and insect needs repeatedly dispenser to prevent and treat, not only time-consuming, recruitment shipwreck, cost accounting is high, but also easily cause disease worm to develop immunity to drugs, residue of pesticide, contaminated environment and killed natural enemies, increase difficulty of prevention and cure.

Summary of the invention

The object of the invention is to occur for the multiple sick worm mixing of the sugarcane grand period of growth and lack again the industrial technology problem of composite highly effective low toxicity disinsection prophylaxis agricultural chemicals, and provide the sick worm of a kind of prevention and control sugarcane remarkably productive and economic benefit, composite highly effective multifunctional insecticide disease-proofing pesticide formula and processing technology profitable on ecology.

The object of the invention is achieved through the following technical solutions:

1. contain an agricultural chemicals for Diacloden and tpn, produced by following raw material: Diacloden 5 ~ 10%, tpn 50 ~ 70%; Wetting agent 1 ~ 3%, dispersant 2 ~ 5%, anticaking agent 1 ~ 1.5%, defoamer 0.5 ~ 1%, suspending agent 0.5 ~ 1%, filler 14 ~ 34%, described percentage is mass fraction.

2. the agricultural chemicals containing Diacloden and tpn described in technical scheme 1, described wetting agent is lauryl sodium sulfate, dodecyl sodium sulfate or pulls open powder, dispersant is calcium lignosulfonate, sodium lignin sulfonate, polyvinyl alcohol or sodium phosphate trimer, anticaking agent is white carbon, defoamer is organosilicon, suspending agent is JY-3, and filler is kaolin, potter's clay or diatomite.

3. the production technology containing the agricultural chemicals of Diacloden and tpn described in technical scheme 1 or 2, comprises the following steps:

(1) mixer just mixing 30 minutes is put into after weighing by by contain each component and the proportioning consumption thereof in the agricultural chemicals of Diacloden and tpn described in technical scheme 1 or 2;

(2) add again in airslide disintegrating mill and make 300 ~ 400 order fine powders;

(3) add mixing quantitative package in 30 minutes in mixer again and namely obtain this Pesticidal products.

4. a kind of agricultural chemicals containing Diacloden and tpn described in technical scheme 1 or 2 is in the application of 7-8 month sugarcane large growth period control sugarcane sugar cane cottony aphid, Sugarcane Thrips, sugarcane toppers maize ear rot and sugarcane brown streak.

Compared with prior art, the invention has the beneficial effects as follows:

1, agricultural chemicals of the present invention only need sugarcane grand period of growth dispenser 1 time, spraying times 50% is reduced than prior art, and the sugarcane grand period of growth sprays this medicine, effectively can control the multiple sick worms such as sugar cane cottony aphid, thrips and sugarcane toppers maize ear rot, brown streak, 98-100% is reached to the preventive effect of sugar cane cottony aphid, the preventive effect of Sugarcane Thrips reached to 91-94%, the preventive effect of sugarcane toppers maize ear rot reached to 81-87%, 80-82% is reached to the preventive effect of sugarcane brown streak, efficiently solve the multiple sick worm mixing of the sugarcane grand period of growth and occur and lack again the industrial technology problem of composite highly effective low toxicity disinsection prophylaxis agricultural chemicals.

2, not only a medicine is multiplex for product of the present invention, prevents, controls and take into account, decrease spraying times, and easy to use, saves labour, to the infringement of ecotope with pollute little.

3, raw material of the present invention is sufficient, and production technology is simple, and energy consumption is low, small investment; Produce without waste water, waste residue, waste gas in production, energy saving standard.

Embodiment

In following examples, in each agricultural chemicals, each component all can be bought from commercial channel.

Embodiment 1 formulation of pesticide of the present invention and production technology thereof

Formulation of pesticide of the present invention described in embodiment 1 is in table 1.

Table 160% Diacloden tpn wettable powder agent prescription

Component	Content (mass fraction %)
		Diacloden	10
Tpn	50
		Lauryl sodium sulfate	1
Sodium lignin sulfonate	2
		White carbon	1
Organosilicon	1
		JY-3	1
Kaolin	34

Production technology:

(1) mixer just mixing 30 minutes is put into after weighing by each component in 60% Diacloden tpn wettable powder agent prescription described in embodiment 1 table 1 and proportioning consumption thereof;

(2) add again in airslide disintegrating mill and make 300 order fine powders;

(3) add mixing quantitative package in 30 minutes in mixer again and namely obtain this Pesticidal products.

Embodiment 2 formulation of pesticide of the present invention and production technology thereof

Formulation of pesticide of the present invention described in embodiment 2 is in table 2.

Table 267% Diacloden tpn wettable powder agent prescription

Component	Content (mass fraction)
		Diacloden	7
Tpn	60
		Dodecyl sodium sulfate	2
Calcium lignosulfonate	3
		White carbon	1.2
Organosilicon	0.5

JY-3	0.8
		Potter's clay	25.5

Embodiment 3 formulation of pesticide of the present invention and production technology thereof

Formulation of pesticide of the present invention described in embodiment 3 is in table 3.

Table 375% Diacloden tpn wettable powder agent prescription

Component	Content (mass fraction)
		Diacloden	5
Tpn	70
		Lauryl sodium sulfate	3
Sodium phosphate trimer	5
		White carbon	1.5
Organosilicon	1
		JY-3	0.5
Diatomite	14

The production technology of agricultural chemicals of the present invention described in embodiment 3 is except each component of pesticide material used and consumption thereof press component shown in table 3 and proportioning consumption, and all the other operating procedures are identical with preparation method described in embodiment 1.

Example 4 the present invention containing the agricultural chemicals of Diacloden and tpn in the application (field control effectiveness test) of control sugar cane cottony aphid, Sugarcane Thrips and sugarcane toppers maize ear rot, sugarcane brown streak

Experimental field: Sugarcane Inst., Yunnan Prov. Agriculture Academy proving ground is carried out, 1 year perennial root, sugar cane breed ROC22, Planting Row Distance 1m.

Plot soil property, fertility, irrigation, management and sugarcane strain growing way are all more consistent.Sugar cane cottony aphid over the years, thrips and sugarcane toppers maize ear rot, brown streak harm are heavier and general.

The preparation of test medicine for making described in embodiment 1,2,3, often process and repeat for 4 times, random district group arranges, plot area 66m ²(6m × 11 row).In the sugarcane grand period of growth in July, damage by disease and insect initial stage of origination, each chemicals treatment is by 1000 times of dilutions, and carry out routine spraying with workers and peasants 16 type hand-powered knapsack sprayer, equivalent clear water is sprayed in check plot.Within 30 days after medicine, carry out preventive effect investigation.

Sugar cane cottony aphid: respectively the sugarcane strain of investigation records each community sum and have aphid strain number, calculate having worm strain rate;

Sugarcane Thrips: 5 samplings, often some continuous observation 10 strain, records each strain thrips number respectively, calculates having worm strain rate.

Woolly aphid (thrips) having worm strain rate (%)=[have worm strain number/investigate total strain number] × 100

Sugarcane toppers maize ear rot: 5 samplings, often some continuous observation 10 strain, checks sugarcane strain incidence, records morbidity strain number at different levels, calculates diseased plant rate and disease index.

Diseased plant rate (%)=[morbidity strain number/investigate total strain number] × 100

Disease index=∑ [morbidity strain number × corresponding stage value at different levels]/[investigating total strain number × superlative degree value] × 100

The grade scale of table 4 sugarcane toppers maize ear rot

Sugarcane brown streak: 5 samplings, often some continuous observation 10 strain, checks sugarcane strain incidence, records morbidity strain number at different levels, calculates diseased plant rate and disease index.

Diseased plant rate (%)=[morbidity strain number/investigate total strain number] × 100

Disease index=∑ [morbidity strain number × corresponding stage value at different levels]/[investigating total strain number × superlative degree value] × 100

The grade scale of table 5 sugarcane brown streak

Classification	Illness describes
		0 grade	Without visible scab on blade
1 grade	Lesion area accounts for less than 5% of leaf area
		2 grades	Lesion area accounts for 6% ~ 10% of leaf area
3 grades	Lesion area accounts for l1% ~ 25% of leaf area
		4 grades	Lesion area accounts for 26% ~ 40% of leaf area
5 grades	Lesion area accounts for 41% ~ 65% of leaf area
		6 grades	Lesion area accounts for 66% ~ 100% of leaf area, and incidence of leaf is withered

Result of the test is as shown in table 6:

Table 6 different disposal chemical control sugarcane damage by disease and insect result of the test

As can be seen from Table 6, agricultural chemicals of the present invention 1000 times of liquid evenly spray in sugarcane foliage, prevent, control and take into account, and only sugarcane grand period of growth dispenser 1 time, need effectively can control the multiple sick worms such as sugar cane cottony aphid, thrips and sugarcane toppers maize ear rot, brown streak.Product one medicine of the present invention is multiplex, reduces spraying times 50% than prior art, easy to use, saves labour, to the infringement of ecotope with pollute little.

Claims (1)

1. contain an agricultural chemicals for Diacloden and tpn, it is characterized in that: produced by following raw material: Diacloden 5 ~ 10%, tpn 50 ~ 70%; Wetting agent 1 ~ 3%, dispersant 2 ~ 5%, anticaking agent 1 ~ 1.5%, defoamer 0.5 ~ 1%, suspending agent 0.5 ~ 1%, filler 14 ~ 34%, described percentage is mass fraction.

2. the agricultural chemicals containing Diacloden and tpn according to claim 1, it is characterized in that: described wetting agent is lauryl sodium sulfate, dodecyl sodium sulfate or pulls open powder, dispersant is calcium lignosulfonate, sodium lignin sulfonate, polyvinyl alcohol or sodium phosphate trimer, anticaking agent is white carbon, defoamer is organosilicon, suspending agent is JY-3, and filler is kaolin, potter's clay or diatomite.

3. the production technology containing the agricultural chemicals of Diacloden and tpn according to claim 1 and 2, comprises the following steps:

(1) mixer just mixing 30 minutes is put into after weighing by contain each component and proportioning consumption thereof in the agricultural chemicals of Diacloden and tpn described in claim 1 or 2;

(2) add again in airslide disintegrating mill and make 300 ~ 400 order fine powders;

(3) add mixing quantitative package in 30 minutes in mixer again and namely obtain this Pesticidal products.

4. a kind of agricultural chemicals containing Diacloden and tpn described in claim 1 or 2 is in the application of 7-8 month sugarcane large growth period control sugar cane cottony aphid, Sugarcane Thrips, sugarcane toppers maize ear rot and sugarcane brown streak.