CN113892377A - Method for skillfully treating corn red spiders - Google Patents
Method for skillfully treating corn red spiders Download PDFInfo
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- CN113892377A CN113892377A CN202111167433.2A CN202111167433A CN113892377A CN 113892377 A CN113892377 A CN 113892377A CN 202111167433 A CN202111167433 A CN 202111167433A CN 113892377 A CN113892377 A CN 113892377A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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Abstract
The invention relates to a method for skillfully treating corn red spiders, which breaks the conventional process, and provides a chain which utilizes low air temperature and the red spiders just resuscitated before corn sowing, intensively releases predatory mites of natural enemies to prevent and control the first generation of the red spiders just hibernating the female spiders, prevents the red spiders from spawning and reduces the annual occurrence base number. The method comprises the following specific implementation steps: selecting the time for preventing and controlling corn red spiders for the first time, namely a) selecting the time for preventing and controlling the corn red spiders for the first time for 4 months, b) selecting the time for preventing and controlling the corn red spiders for the second time in the horn mouth period of the corn, a) selecting the area for preventing and controlling the corn red spiders for the first time: one meter outside the ridge and one meter inside the ridge, b) selecting corn growing area as corn red spider area for the second time, and controlling corn red spider by biological control, namely releasing natural enemies of corn red spider, namely predatory mites, or by chemical control and biological control, wherein the chemical control and biological control can achieve the effect of twice the result with half the effort in temporary control and permanent control, and can obviously prevent the occurrence, development and spread of red spiders all the year round, and the whole control cost is only 30-50% of that of the conventional chemical control.
Description
Technical Field
The invention relates to a method for skillfully treating corn red spiders.
Background
Corn is an important food crop in China, but corn red spiders (Cron Spider mites) are one of the main pests in the corn production process. In production, red spiders in fields are usually seen to attack pesticides, because the red spiders are small in size, high in propagation speed and protected by wax layers on the body surfaces, the red spiders can spin and move on the back surfaces of leaves to be difficult to control, and disasters can occur in a short time in high-temperature and dry weather. According to statistics: the corn yield loss in general year is about 15%, and the corn yield loss in severe year is more than 50%. Therefore, how to effectively prevent and treat the corn red spiders becomes a problem to be solved urgently in agricultural production. The prevention and control of corn red spiders at present generally adopts: spraying the chemical pesticide once every 7-15 days in the late 6 th and the early 7 th of the month. However, the control measures still cannot achieve good pest control effect and even cause environmental pesticide residue. The reason is analyzed: firstly, red spiders have strong reproductive capacity, a pair of red spiders can multiply by more than 200 times within more than 20 days and can be protected from spinning, pesticides are difficult to contact the body surfaces of the red spiders, so that the red spiders quickly explode and cause disasters once in a short period, secondly, the red spiders frequently explode in the maize jointing-staminating period, the maize field grows thickly, the maize is about 1.5 meters high, so that the red spiders are difficult to enter the maize field, the conventional chemical control is difficult, and the reason why the red spiders are difficult to effectively control is also caused.
Disclosure of Invention
The invention aims to provide a method for skillfully treating corn red spiders. The purpose of the invention is realized by adopting the following technical scheme:
firstly, selecting time for preventing and controlling corn red spiders:
a) selecting 4 months for preventing corn red spiders for the first time;
b) the time for preventing corn red spiders for the second time is selected in the horn mouth period of the corn;
selection of corn red spider control area
a) Selection of first control corn red spider areas: about one meter outside the ridge and about one meter inside the ridge;
b) selecting a corn growing area for preventing and controlling corn red spider areas for the second time;
thirdly, the method for preventing and controlling corn red spiders comprises the following steps:
A) a method of biological control
Firstly, 4 months later, the natural enemies of the corn red spiders, namely the predatory mites, are released, about 2 thousands of the predatory mites are released per mu, the number of the released predatory mites can be adjusted according to the number of the red spiders, the red spiders which just bite can be completely killed, the predatory mites can naturally propagate and establish populations after eating the red spiders, the predatory mites can also naturally search and catch the corn red spiders, and the purpose of controlling the red spiders for a long time is achieved;
in the horn mouth period of the corn, 3 thousands of predatory mites are additionally released in each mu of corn growing area, and the number of the predatory mites can be adjusted according to the approximate number of red spiders.
B) Or by another method of chemical control + biological control
One meter outside the ridge and one meter inside the ridge in 4 months, pesticide is adopted to comprehensively kill red spiders which just hibernate,
and secondly, in the horn period of the corn, 3 thousands of predatory mites are released in each mu of corn growing area, and the number of the released predatory mites can be adjusted according to the approximate number of the red spiders.
Compared with the prior art, the invention skillfully nests the red spiders at one time in the prevention and treatment time and the prevention and treatment place according to the annual occurrence rule of the corn red spiders, thereby achieving the effect of twice with half the effort. Meanwhile, the occurrence, development and spread of red spiders all year round can be obviously prevented, and the whole prevention and treatment cost is only 30-50% of that of the conventional chemical prevention and treatment. There is no precedent to do so at present.
Detailed Description
The invention is described below with reference to specific embodiments, but is not limited thereto.
According to the research of the inventor, the corn red spiders generate 10-20 generations each year, and female adult mites cluster at dead leaves, weed rhizosphere, soil gaps, corn straws and other places to hibernate from the late September each year. The activity starts from 3 late months to 4 months in the next year, the overwintering female adult mites start to actively lay eggs when the air temperature reaches about 9 ℃, and the eggs start to hatch when the temperature is over 10 ℃. The weeds in the ditches of the ridges are fed, spawned and propagated for 1-2 generations, and the corn red spiders begin to transfer to the weeds close to the ridges in the last ten days of 4-5 months to damage the weeds. The red spiders begin to shift to the corn field after the corn is sowed and spread all over the field from the marginal piece. According to the research and analysis of the inventor, the prevalence rule of the corn red spiders is analyzed, and the inventor researches a novel method for preventing and treating the corn red spiders:
firstly, selecting time for preventing and controlling corn red spiders:
a) selecting the time for preventing and controlling corn red spiders for the first time to be 4 months, wherein 4 months is the optimal time for preventing and controlling the corn red spiders, as the corn is not sown in the time, the air temperature is low, the red spiders are just recovered, and the radix is low, so that the optimal time for centralized prevention and control is provided, the first generation of female spiders which just sting the corn red spiders are intensively prevented and controlled, the red spiders are prevented from spawning, and the chain with the population base number all year around is reduced;
b) the time for preventing corn red spiders for the second time is selected in the horn mouth period of the corn;
selection of time region for preventing and controlling corn red spiders
a) Selection of first control corn red spider areas: about one meter outside the ridge and about one meter inside the ridge;
b) selecting a corn growing area for preventing and controlling corn red spider areas for the second time;
thirdly, selecting a method for preventing and controlling corn red spiders:
A) a method of biological control
Firstly, after 4 months, the natural enemies of the corn red spiders, namely the predatory mites, are released, about 2 million mites are released per mu, the number of the released predatory mites can be adjusted according to the number of the red spiders, the red spiders which just bite can be completely killed, the predatory mites can naturally propagate and establish populations after eating the red spiders, the predatory mites can also naturally search and catch the corn red spiders, and the purpose of controlling the red spiders for a long time is achieved,
and secondly, in the horn period of the corn, 3 thousands of predatory mites are released in each mu of corn growing area, and the number of the released predatory mites can be adjusted according to the approximate number of the red spiders.
B) Or by another method of chemical control + biological control
Firstly, about one meter outside a ridge and about one meter inside the ridge in 4 months, pesticide is adopted to kill and enclose red spiders just bitten;
and secondly, in the horn period of the corn, 3 thousands of predatory mites are released in each mu of corn growing area, and the number of the released predatory mites can be adjusted according to the approximate number of the red spiders.
The effect of treating both symptoms and root causes with half the effort is achieved, meanwhile, the occurrence, development and spread of red spiders all year round can be obviously prevented, and the whole prevention and treatment cost is only 30-50% of that of the conventional chemical prevention and treatment.
Examples
The inventor carries out specific test verification on the invention in 2000 mu corn field of Dalatewang Chongxiang of inner Mongolia Ordos,
the test is divided into:
1. 1500 mu of biological control garden release (broadcast application) predatory mites outside the ridges by 1 meter and inside the ridges by 1 meter in 4 months and 5 days, wherein 2 ten thousand predatory mites are released (broadcast application) per mu, and 3 ten thousand predatory mites are released (broadcast application) per mu in the horn mouth period of the corn;
2. 480 mu of chemical control + biological control garden. Specifically, on April 5, 1000 times of pyridaben solution was sprayed 1 meter wide outside the ridge + 1 meter wide inside the ridge, and 30000 predatory mites were released (spread) per mu during the bell mouth stage of corn;
3. the 18 mu of conventional management garden respectively sprays the used medicaments 2-3 times (10-15 days for each time) in the early stage of the maize jointing in 6 months to 7 months in the middle of the month: adding 24% of mite-killing suspending agent (10ml) and 8% of medium-mite-killing emulsifiable concentrate (10ml) into water 1, and spraying 3 pots per mu.
3. 2 mu is used as a blank control (the cultivation and fertilization management are consistent, but no pesticide is applied and no insect is put).
The field inspection and acceptance in 8 ten days in the middle of the month,
the experimental results are as follows:
the incidence rate of the biocontrol garden pest mites in corn plants is 20-30 percent (which is a light occurrence), the control effect is 85 percent,
the corn red spider plants in the chemical control garden and the biological control garden have the occurrence rate of 30-33 percent (belonging to light-medium occurrence) and the control effect of 75-80 percent,
the incidence rate of corn red spider plants in the conventional management garden is 80-90 percent, the control effect is 50-60 percent,
the incidence rate of corn red spider plants in a natural contrast garden is 100 percent, and leaves are completely withered and yellow.
Thus, the invention was verified:
in the last ten days of 4 months, predatory mites are released from 1 meter outside the ridges and from 1 meter to 1 meter in the field, and the predatory mites are released once in the trumpet period of the corn, so that the generation, development and outbreak of corn red spiders can be effectively prevented and controlled. In the same way, in the last ten days of 4 months (time), the pesticide or acaricide is sprayed from 1 meter outside the ridge + in the ridge to 1 meter in the field, and the occurrence, development and outbreak of corn red spiders can be effectively prevented and controlled by releasing predatory mites once in the horn period of corn.
The foregoing is merely exemplary of the present invention and similar variations made in the above teachings should fall within the scope of the present invention.
Claims (1)
1. A method for skillfully treating corn red spiders, which is characterized in that,
firstly, selecting time for preventing and controlling corn red spiders:
a) selecting 4 months for preventing corn red spiders for the first time;
b) the time for preventing corn red spiders for the second time is selected in the horn mouth period of the corn;
selection of time region for preventing and controlling corn red spiders
a) Selection of first control corn red spider areas: about one meter outside the ridge and about one meter inside the ridge;
b) selecting a corn growing area for preventing and controlling corn red spider areas for the second time;
thirdly, selecting a method for preventing and controlling corn red spiders:
a) a method of biological control
Firstly, the natural enemies of the corn red spiders, namely the predatory mites, are released in 4 months, about 2 thousands of the predatory mites are released per mu, the number of the released predatory mites can be adjusted according to the approximate number of the red spiders, the red spiders just bitten can be completely killed, the predatory mites can naturally propagate and establish populations after eating the red spiders, the predatory mites can also naturally search and catch the corn red spiders, and the purpose of controlling the red spiders for a long time is achieved,
secondly, in the horn-shaped period of the corn, 3 thousands of predatory mites are released in each mu of corn growing area, and the number of the released predatory mites can be adjusted according to the approximate number of red spiders;
b) or by another method of chemical control and biological control
Firstly, about one meter outside a ridge and about one meter inside the ridge in 4 months, and pesticide is adopted to comprehensively kill red spiders which are enclosed and wipe out just emerging of the hibernation;
and secondly, in the horn period of the corn, 3 thousands of predatory mites are released in each mu of corn growing area, and the number of the released predatory mites can be adjusted according to the approximate number of the red spiders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111167433.2A CN113892377A (en) | 2021-10-07 | 2021-10-07 | Method for skillfully treating corn red spiders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111167433.2A CN113892377A (en) | 2021-10-07 | 2021-10-07 | Method for skillfully treating corn red spiders |
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| CN113892377A true CN113892377A (en) | 2022-01-07 |
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| CN202111167433.2A Pending CN113892377A (en) | 2021-10-07 | 2021-10-07 | Method for skillfully treating corn red spiders |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440657A (en) * | 2002-02-24 | 2003-09-10 | 张艳璇 | Orange pest mite preventing and killing method using cucumber amblyseius as predatory mite |
| CN101011068A (en) * | 2007-01-24 | 2007-08-08 | 李爱华 | Use of Amblyseius barkeri for preventing and controlling harmful mites |
| CN101292648A (en) * | 2008-06-25 | 2008-10-29 | 张艳璇 | Application of wright's new Persimilis in vermin control of open type farmland, fruit, tea garden, bamboo forest |
| CN101663976A (en) * | 2009-09-25 | 2010-03-10 | 林坚贞 | Application of Typhlodromips swirskill Athias-Henriot for controlling pest mites in farmland and orchard |
| CN102823410A (en) * | 2012-09-13 | 2012-12-19 | 武鸣县植保站 | Comprehensive control method of cassava starscream |
| CN105746254A (en) * | 2016-03-14 | 2016-07-13 | 福建艳璇生物防治技术有限公司 | Method for preventing red spiders, thrips and aleyrodids on strawberries by amblyseius cucumeris |
| CN106332619A (en) * | 2015-07-14 | 2017-01-18 | 姜韫英 | Method for preventing and controlling maize pests and diseases |
-
2021
- 2021-10-07 CN CN202111167433.2A patent/CN113892377A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440657A (en) * | 2002-02-24 | 2003-09-10 | 张艳璇 | Orange pest mite preventing and killing method using cucumber amblyseius as predatory mite |
| CN101011068A (en) * | 2007-01-24 | 2007-08-08 | 李爱华 | Use of Amblyseius barkeri for preventing and controlling harmful mites |
| CN101292648A (en) * | 2008-06-25 | 2008-10-29 | 张艳璇 | Application of wright's new Persimilis in vermin control of open type farmland, fruit, tea garden, bamboo forest |
| CN101663976A (en) * | 2009-09-25 | 2010-03-10 | 林坚贞 | Application of Typhlodromips swirskill Athias-Henriot for controlling pest mites in farmland and orchard |
| CN102823410A (en) * | 2012-09-13 | 2012-12-19 | 武鸣县植保站 | Comprehensive control method of cassava starscream |
| CN106332619A (en) * | 2015-07-14 | 2017-01-18 | 姜韫英 | Method for preventing and controlling maize pests and diseases |
| CN105746254A (en) * | 2016-03-14 | 2016-07-13 | 福建艳璇生物防治技术有限公司 | Method for preventing red spiders, thrips and aleyrodids on strawberries by amblyseius cucumeris |
Non-Patent Citations (4)
| Title |
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| 刘生瑞等: "《环县旱作农业技术手册》", 31 July 2015, 甘肃科学技术出版社 * |
| 广东省农业科学院作物研究所等: "《广东甜糯玉米新品种新技术》", 31 August 2011, 广东人民出版社 * |
| 李晓仁等: "酒泉市制种玉米主要病虫害绿色防控技术", 《种子世界》 * |
| 赵克勤等: "玉米红蜘蛛重发原因与综合防治技术", 《中国农业信息》 * |
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Application publication date: 20220107 |
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