CN110612980A - Method for preventing and controlling field weeds of castor-oil plants - Google Patents
Method for preventing and controlling field weeds of castor-oil plants Download PDFInfo
- Publication number
- CN110612980A CN110612980A CN201910926897.3A CN201910926897A CN110612980A CN 110612980 A CN110612980 A CN 110612980A CN 201910926897 A CN201910926897 A CN 201910926897A CN 110612980 A CN110612980 A CN 110612980A
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- Prior art keywords
- castor
- field
- weeds
- preventing
- oil plants
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
- A01N33/18—Nitro compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a method for preventing and controlling field weeds of castor-oil plants, and belongs to the technical field of field weed prevention and control. The invention discloses a method for preventing and controlling weeds in castor fields, which comprises the steps of carrying out soil spraying treatment on castor fields by using pendimethalin and penoxsulam before emergence of seedlings after castor seeds; spraying the unearthed green plants with glyphosate 7-10 days after the castor seeds and before the castor seedlings emerge. The method for preventing and controlling the field weeds of the castor-oil plants, provided by the invention, realizes cost-saving and synergistic planting of the castor-oil plants and has remarkable economic, social and ecological benefits.
Description
Technical Field
The invention relates to the technical field of farmland weed control, in particular to a method for controlling field weeds of castor-oil plants.
Background
In the production process of local castor-oil plants in Jilin province, the prevention and control of field weeds are mostly finished by adopting a method of combining gramineous herbicides and artificial weeding, and the method is labor-consuming and time-consuming and increases the production cost. The herbicides available on the market for castor-oil plants can only kill gramineous weeds, but are not ideal for non-gramineous weeds. The existing castor field weed control method can not meet the requirement of large-area castor agricultural production; under the current castor cultivation conditions, castor producers are eager for effective prevention and control technology of castor field weeds.
Accordingly, it would be an urgent problem to those skilled in the art to provide a method for controlling weeds in castor fields.
Disclosure of Invention
In view of the above, the invention provides a method for preventing and controlling field weeds of castor-oil plants, which realizes cost-saving and synergistic planting of the castor-oil plants and has obvious economic, social and ecological benefits.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for preventing and controlling weeds in castor fields comprises the following specific steps:
(1) before emergence of seedlings after castor sowing, 4L of 33 percent pendimethalin and 1L of 2.5 percent penoxsulam are added into 450L of water and evenly stirred, and soil spraying treatment is carried out on one hectare of castor fields;
(2) 7-10 days after castor sowing, namely before castor emergence, if other green plants except castor appear in the field, 2.5L of 41 percent glyphosate is added into 450L of water and stirred uniformly, and the green plants which are unearthed in one hectare of castor field are sprayed once.
Further, the castor field comprises a castor whole field and non-cultivated land with the periphery of 2-3 m.
According to the technical scheme, compared with the prior art, the method for controlling weeds in the castor field is provided, the castor cultivation management and the generation rule of the weeds in the castor field are combined, and in the key period most beneficial to controlling the weeds, the herbicide is used for carrying out surface treatment on soil or carrying out stem and leaf treatment on weeds which come out of the soil before seedlings, so that the purpose of controlling the weeds in the castor field is achieved; the herbicide used in the pre-seedling stage after castor sowing is pendimethalin and penoxsulam, and the herbicide used in the pre-seedling stem leaf treatment is glyphosate; the quality of the weeding effect of the invention is also closely related to the cultivation management level of the castor-oil plant; the fine tillage and fine cropping, the timely sowing, the accurate and timely medication, the uniform and strong seedlings and the like are all important factors influencing the weed control effect. The method for preventing and controlling the field weeds of the castor-oil plants can solve the common problem of weed damage of the castor-oil plants in the cultivation and management process, can avoid manual weeding work in the cultivation and management process of the castor-oil plants, greatly reduces the production cost, saves the labor force and is suitable for mechanized cultivation and management; on the basis of deeply ploughing and finely raking the land to be planted with the castor beans before sowing, before emergence of seedlings of the castor beans, the whole field soil and the area 2-3 meters outside the field are treated by pendimethalin and penoxsulam, the whole field ridge sealing is carried out in the stage of coexistence of vegetative growth and reproductive growth of the castor beans, and weeds just unearthed or unearthed are controlled so that the growth and the yield of the castor beans cannot be damaged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
On the premise of ensuring that the castor-oil plant is not sensitive to herbicides in soil before sowing, the key links of the cultivation management requirements of land preparation, fertilization, sowing, watering, intertillage and the like must meet the operating regulations of the castor-oil plant high-yield cultivation technology.
After the castor is sowed for 7-10 days, namely before the emergence of the castor, herbicide treatment is carried out on the whole castor field and an uncultivated area 2-3 meters around the whole castor field, at the moment, the used herbicides are pendimethalin and penoxsulam, 4L of 33 percent pendimethalin and 1L of 2.5 percent penoxsulam are added into 450L of water and are uniformly stirred, and soil spraying treatment is carried out on one hectare of castor field. Before the castor seedlings come out of the soil, if green plants except the castor are still come out of the soil, 1 time of weed stem and leaf treatment can be carried out by using the glyphosate: adding 2.5L 41% glyphosate into 450L water, stirring uniformly, and performing one-time spray treatment on one hectare of green plants within 2 hours; by carrying out the final 1-time land sealing ridge on the castor field during the growth period of the castor, weeds which are just dug or are not dug in the later period can be suppressed from growing by the growth advantages of the castor and the yield is ensured not to be influenced by the weeds.
After the castor field and the non-cultivated land with 2-3 meters around the castor field are treated by herbicide spraying according to the method, the number of weeds in the field is small and the weeds grow weakly during the growth of the castor, and the growth and the yield of the castor are not damaged. Compared with a blank control, the weed control effect is more than 90%, the yield loss and recovery rate of the castor bean is more than 90%, and the obvious difference is not generated compared with an artificial weeding control.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A method for controlling weeds in castor fields is characterized by comprising the following specific steps:
(1) before emergence of seedlings after castor sowing, 4L of 33 percent pendimethalin and 1L of 2.5 percent penoxsulam are added into 450L of water and evenly stirred, and soil spraying treatment is carried out on one hectare of castor fields;
(2) adding 2.5L of 41% glyphosate into 450L of water, stirring uniformly and spraying green plants for one hectare 7-10 days after castor sowing and before castor emergence.
2. The method for controlling weeds in a castor field according to claim 1, wherein the castor field comprises a castor full field and a non-cultivated land 2-3 m in the periphery of the castor full field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926897.3A CN110612980A (en) | 2019-09-27 | 2019-09-27 | Method for preventing and controlling field weeds of castor-oil plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910926897.3A CN110612980A (en) | 2019-09-27 | 2019-09-27 | Method for preventing and controlling field weeds of castor-oil plants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110612980A true CN110612980A (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910926897.3A Pending CN110612980A (en) | 2019-09-27 | 2019-09-27 | Method for preventing and controlling field weeds of castor-oil plants |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110612980A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342286A (en) * | 2011-11-18 | 2012-02-08 | 江苏龙灯化学有限公司 | Weeding composition |
| CN107432183A (en) * | 2017-08-31 | 2017-12-05 | 广西沙田仙人滩农业投资有限公司 | A kind of castor-oil plant high-yield high-efficiency cultivation method |
| WO2018142273A1 (en) * | 2017-01-31 | 2018-08-09 | Upl Ltd | Herbicidal combination |
-
2019
- 2019-09-27 CN CN201910926897.3A patent/CN110612980A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102342286A (en) * | 2011-11-18 | 2012-02-08 | 江苏龙灯化学有限公司 | Weeding composition |
| WO2018142273A1 (en) * | 2017-01-31 | 2018-08-09 | Upl Ltd | Herbicidal combination |
| CN107432183A (en) * | 2017-08-31 | 2017-12-05 | 广西沙田仙人滩农业投资有限公司 | A kind of castor-oil plant high-yield high-efficiency cultivation method |
Non-Patent Citations (2)
| Title |
|---|
| 刘伟等: "吉林省蓖麻除草剂田间筛选", 《黑龙江农业科学》 * |
| 刘萍等: "鲁中地区蓖麻田除草剂的筛选及其对蓖麻安全性的测定", 《农业科技通讯》 * |
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Application publication date: 20191227 |