CN107980449B - Method for preventing and treating underground pests in fruit-leek intercropping mode - Google Patents
Method for preventing and treating underground pests in fruit-leek intercropping mode Download PDFInfo
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01G13/00—Protecting 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
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Abstract
The invention relates to a method for preventing and treating underground pests under a fruit-leek intercropping mode, which comprises the steps of interplanting leeks among rows of an orchard, harvesting the leeks in early spring and early autumn when the leeks and maggots occur in the full period, and applying entomopathogenic nematode suspension or entomopathogenic nematode and pesticide mixed suspension once through a water-fertilizer integrated way, wherein the concentration of nematodes in the entomopathogenic nematode suspension is 800-1000 IJS/mL, the concentration of nematodes in the entomopathogenic nematode and pesticide mixed suspension is 800-1000 IJS/mL, and the concentration of pesticides is 1/4-1/3 of the conventional field pesticide concentration. And the water and fertilizer integrated spraying range is within 1/4-1/3 distances from both sides of the fruit tree rows, and the Chinese chive rows at the middle positions of 1/4-1/3 between the fruit garden rows are not sprayed, so that host Chinese chive maggots are provided for continuous propagation of nematodes, and the purpose of continuously controlling soil insects such as peach fruit borers, grubs, walnut kernel-raised moths, weevils and the like in the fruit garden is finally realized. Compared with the orchard natural grass growing and watering with water in the conventional mode, the fruit retention effect is improved by 55.40-56.03%, reaches 91.2-92.5%, and the occurrence of the mossback corpulenta is reduced by 93.4-94.4%. Greatly improves the aim of preventing and controlling the fruit tree soil insects by the entomopathogenic nematodes.
Description
Technical Field
The invention relates to a method for preventing and treating underground pests in a fruit-leek intercropping mode, and belongs to the technical field of biological prevention and treatment.
Background
In recent years, wide-row dwarf close planting cultivation is implemented in newly built orchards in some areas, the ecological environment of the orchards is improved by planting grass and natural grass in rows, the organic matter content of soil is increased, and the biological diversity of the orchards is enriched. However, after the grass grows in the orchard, the grass provides a place for beneficial insects and a shelter for pests, and meanwhile, the orchard cannot be cleaned and ploughed, so that the occurrence degree of some underground pests harmful to fruit trees, such as peach fruit borers, grubs (Aerugo, Mariothis malabarica, Chrysomya macrantha, and the like), walnut limb moths, weevils, and the like, is aggravated. These soil insects live through the winter in soil or are harmful in the larval stage, and occur on fruit trees such as apples, pears, peaches, plums, apricots, cherries, walnuts and the like. At present, chemical pesticides are mainly used for controlling in production, but because of the lack of medicaments for effectively controlling underground pests, the occurrence period of the 4 underground pests is long, the key period cannot be effectively grasped in the control, the control effect is still not ideal, and the environmental pollution is easily caused. The high-toxicity chemical pesticide or the increase of the application amount of the pesticide not only greatly improves the drug resistance of the pesticide, but also seriously affects the quality of fruits.
Entomopathogenic nematodes are nematodes which are special parasitic insects, enter a host body in a mode of invasion of larvae in the 3 rd infection stage to natural openings or internode membranes of pests, release carried symbiotic bacteria, propagate in the pests, generate toxins and finally cause the pests to die. Because the entomopathogenic nematodes have the advantages of wide host range, active host search, safety to non-target organisms, no side effect on the environment, capability of being mixed with a plurality of pesticides and fertilizers and the like, the entomopathogenic nematodes are widely applied to control of a plurality of agricultural and forestry pests such as grubs, cutworms, peach fruit moths, longicorn and the like. Soil is a place where entomopathogenic nematodes live, once the nematodes dissociate from insect corpses, the nematodes face pressure of various adverse environmental conditions in the soil, so the specific structure and properties of the soil directly influence the colonization ability, activity and infectivity of the nematodes.
In recent years, people in some emerging orchards try to intercropping leeks, particularly, at the beginning of a newly-built orchard, leeks are interplanted in a space before branches and tendrils of fruit trees are not closed, and the reason is that the leeks have fewer plant diseases and insect pests and do not have the same plant diseases and insect pests as the orchards, and the special odor of the leeks has the insect-avoiding and sterilizing effects, so that the occurrence of the plant diseases and insect pests is favorably reduced, but the aim of preventing and controlling underground pests in the orchards can not be fundamentally achieved by interplanting the leeks, and a large amount of maggots of the leeks can be generated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for preventing and controlling soil insects in a fruit-leek intercropping mode.
The method aims at the problems that underground pests in the orchard are rampant, the occurrence period is long, generations are overlapped, the key prevention and control period cannot be effectively grasped, the prevention and control effect is not ideal enough, and the key prevention and control period cannot be accurately determined. Through the mode of intercropping leeks in an orchard, simultaneously applying entomopathogenic nematodes or entomopathogenic nematodes plus a pesticide suspension, and utilizing the entomopathogenic nematodes to infect the Chinese chive maggots, the breeding and colonization capabilities of the nematodes in soil are improved, so that the activity and the infection of the nematodes are improved, and the underground pests of fruit trees can be efficiently controlled. Can be applied to control various soil orchard pests such as peach fruit borers, grubs, walnut kernel moth and weevils and the like which harm various fruit trees such as apples, pears, peaches, plums, apricots, cherries, walnuts and the like.
The technical scheme of the invention is as follows:
a method for enhancing prevention and control of underground pests in a fruit-leek intercropping mode comprises the following steps:
interplanting Chinese chives among rows of the orchard;
a step of applying a suspension of entomopathogenic nematodes or a suspension of entomopathogenic nematodes in admixture with a pesticide;
the step of applying the entomopathogenic nematode suspension or the mixed suspension of the entomopathogenic nematodes and the pesticide is as follows: in early spring and early autumn of the full-season leek maggot, after the leeks are harvested, respectively applying entomopathogenic nematode suspension or entomopathogenic nematode and pesticide mixed suspension once through a water-fertilizer integrated way, wherein the concentration of nematodes in the entomopathogenic nematode suspension is 800-1000 IJS/mL, the concentration of nematodes in the entomopathogenic nematode and pesticide mixed suspension is 800-1000 IJS/mL, and the concentration of pesticides is 1/4-1/3 of the conventional field application concentration.
The entomopathogenic nematode suspension or the mixed suspension of the entomopathogenic nematodes and the pesticide is applied once in early spring and early autumn of the full-growth period of the Chinese chive maggots, and at the time, the entomopathogenic nematode suspension or the mixed suspension of the entomopathogenic nematodes and the pesticide is just the early unearthed stage and the 1 st generation mature larva fruit removal stage of underground pests in an orchard, so that the entomopathogenic nematodes and the mixed suspension of the entomopathogenic nematodes and the.
Preferably, according to the invention, said entomopathogenic nematodes fulfil the following requirements:
and (3) placing the entomopathogenic nematodes for 72 hours at the temperature of 24-26 ℃ for detection, wherein the survival rates of the entomopathogenic nematodes are all over 90%.
Preferably, the entomopathogenic nematodes in the entomopathogenic nematode solution are a mixture of Steinernema carpocapsae All, Steinernema felica SF-SN and heterodera indica LN2, and the ratio of Steinernema carpocapsae All: the gyplusia gienbergii Steinernema feliae SF-SN: the quantity ratio of Heterorhabditis indica LN2 is: 2-3: 1-2: 0.5-1.
The entomopathogenic nematodes are a mixture of three-grade entomopathogenic nematodes, so that the occurrence of underground pests in the orchard is prevented from being influenced by temperature, and the three-grade entomopathogenic nematodes have the characteristic of playing the maximum control effect under the condition of being suitable for different temperatures respectively.
According to the invention, the flow rate of the water-fertilizer integrated drip irrigation tape is 1.2-1.4L/h, and the spray pressure of the drip irrigation tape is less than or equal to 820-830 kPa; the spraying time is 3-4 hours each time.
The drip irrigation flow and the spray pressure ensure the maximum activity of the nematodes, avoid causing damage and can exert the parasitic effect of the nematodes to the maximum extent.
According to the invention, the pesticide is preferably thiamethoxam, imidacloprid or phoxim. The prevention and control effect of the nematodes is improved by adding pesticides.
Preferably, according to the invention, when the entomopathogenic nematode suspension or the mixed entomopathogenic nematode suspension and pesticide is applied, the dosage of the suspension is 0.8-1 hundred million nematodes per mu.
According to the invention, the application can also spray the mixed suspension of the fertilizer, the entomopathogenic nematodes and the pesticide to the field through a water-fertilizer integrated way. Thereby achieving the dual purposes of fertilizing for the orchard and preventing and controlling the soil insects.
Preferably, the fertilizer is a liquid or solid water-soluble fertilizer, and the liquid or solid water-soluble fertilizer is monopotassium phosphate or a biological organic compound fertilizer. The fertilizer is required to have strong water solubility and less impurities, and can pass through leakage when necessary so as to avoid blocking pipelines.
The suspension of the present invention is a suspension prepared by using water.
Preferably, the drip irrigation tape integrating water and fertilizer is paved according to the row spacing direction, and is sprayed in the Chinese chive rows, wherein the spraying range is 1/4-1/3 distance away from both sides of the fruit tree rows, and the Chinese chive rows in the middle position of 1/4-1/3 between the fruit orchard rows are not sprayed. The method aims to effectively prevent and control soil insects under the tree crown, reserve the Chinese chive field without spraying, provide a place for breeding Chinese chive maggots and further facilitate the breeding of nematodes.
According to a preferred embodiment of the present invention, in the step of applying the entomopathogenic nematode suspension or the mixed suspension of the entomopathogenic nematode and the pesticide, the spraying time is as follows: selecting 4 o' clock in late 3-4 and late 9-10, and avoiding direct sun drying.
According to the optimization of the invention, the inter-row interplanting Chinese chive strip step of the orchard is as follows: planting leek strips in the whole area among rows of the orchard, wherein the row spacing of the leek strips is 0.15-0.25 m, the plant spacing is 0.5-0.1 m, 3-4 plants are fixedly planted in each hole, the method comprises the steps of pulling and ditching, the ditch depth is 20cm, 15-25 ten thousand basic seedlings are fixedly planted in each mu, and after the leeks are planted, the leeks are planted in the field at intervals of 20m2And inoculating 1500-2500 Chinese chive maggots. The Chinese chive maggots can be stably propagated. The purpose is to aim at the fruit gardenThe pests are mainly concentrated in the range of 1.5m below the crown, and when the entomopathogenic nematodes are used for preventing and controlling Chinese chive maggots, the method is more favorable for preventing and controlling soil pests.
Preferably, according to the invention, the fruit tree row spacing in the orchard is as follows: 3-4 m, and the plant spacing is 0.8-1.5 m.
According to the invention, soil preparation is carried out before orchard planting, winter cultivation and winter application are carried out before land preparation, mature larvae of soil insects in the orchard are eliminated or the garden is cleaned, and the occurrence base number of the soil insects is reduced.
Intercropping Chinese chives in orchards is a Chinese chive variety suitable for overwintering cultivation, and has dark leaf color, strong growth vigor and strong spicy taste. The purpose is to exert the overwintering characteristic of the Chinese chives, so that the Chinese chives maggots can live through the winter, and hosts are provided for entomopathogenic nematodes.
The soil insects are peach fruit borers, grubs, walnut kernel moths, weevils and other soil insects which harm fruit trees.
The entomopathogenic nematodes are Steinernema carpocapsae All, Steinernema felina SF-SN, Heterorhabditis indica LN2, and are conventional varieties in the field and can be obtained through common commercial approaches.
Advantageous effects
1. According to the method, the leeks are intercropped among the rows of the orchard, self-made or purchased water and fertilizer integrated equipment is utilized to spray the entomopathogenic nematodes to the area, which is intercropped among the rows of the orchard and is away from the fruit tree plants 1/4-1/3, and the area of the central part 1/3-1/2 among the rows of the fruit tree is reserved, so that long-term hosts are provided for the entomopathogenic nematodes, and the advantages that the entomopathogenic nematodes can settle and propagate in soil are exerted, so that the purpose of continuously controlling underground pests such as peach fruit borers, grubs, walnut moth-lifting moths, weevils and the like in the orchard is achieved. Compared with the orchard natural grass growing and watering with water in the conventional mode, the fruit retention effect is improved by 55.40-56.03%, reaches 91.2-92.5%, and the occurrence of the mossback corpulenta is reduced by 93.4-94.4%. Greatly improves the aim of preventing and controlling the fruit tree soil insects by the entomopathogenic nematodes. The planting row spacing of the Chinese chives is 0.15-0.25 m, the planting spacing is 0.5-0.1 m, 3-4 plants are fixedly planted in each hole, the wires are pulled for ditching, the depth of the ditches is 20cm, and 15-25 ten thousand basic seedlings are fixedly planted in each mu. The spraying pressure of the water and fertilizer integrated equipment is less than 828kPa, and the spraying range is 1/4-1/3 of the row spacing of the orchard. The entomopathogenic nematodes are a mixed solution of Steinernema carpocappasae All, Steinernema feliae SF-SN and Heterorhabditis indica LN2 of the cabbage caterpillar, and the mixing ratio of the three strains of nematodes is 2-3: 1-2: 0.5-1. The concentration of the nematodes is 800-1000 IJS/mL, the application amount of the nematodes per mu is 0.8-1 hundred million, and one of thiamethoxam, imidacloprid and phoxim can be added for improving the insecticidal effect of the nematodes, wherein the concentration of the nematodes is 1/4-1/3 of the conventional field application concentration. The spraying range is 1/4-1/3 distances from both sides of the fruit tree rows, and the Chinese chive rows in the middle position of 1/4-1/3 between the fruit orchard rows are not sprayed. In addition, according to the fertilization situation of the orchard, the mixed liquid of the fertilizer, the entomopathogenic nematodes and the pesticide can be sprayed to the field through the water-fertilizer integrated equipment, and the spraying time is 3-4 hours, so that the dual purposes of fertilizing the orchard and preventing and controlling soil insects are achieved.
2. The control method of the invention changes the traditional control method of underground pests of fruit trees from on-tree control to under-tree control, and can effectively solve the problems that the underground pests have long emergence period, are overlapped in generations, can not effectively grasp the control key period, and have unsatisfactory control effect. The method is characterized in that chives are intercropped for an orchard, long-term host chives maggots are improved for entomopathogenic nematodes, and the entomopathogenic nematodes are sprayed for 2 times by adopting water and fertilizer integrated equipment after 4 pm of early spring (3 late-4 early days of the month and early autumn (9 late-10 early days of the month) of the full period of the chives maggots, so that the advantages of long-term survival of the entomopathogenic nematodes in soil, parasitic and propagation are fully exerted, and the key technical problem that underground pests of fruit trees are difficult to control is effectively solved, thereby achieving the aim of green control of the underground pests.
Detailed Description
The technical solution of the present invention is further described with reference to the following examples, but the scope of the present invention is not limited thereto.
Example 1
The following method is adopted to prevent and treat peach fruit borers and grubs (Aerugo tortoises).
(1) And selecting loose and ventilated soil for soil preparation, planting apples, wherein the variety is Fuji, and the plant spacing is 1m multiplied by 4 m.
(2) Planting Chinese chives in the whole area between rows of the orchard, wherein the row spacing of the Chinese chives is 0.15m, the plant spacing is 0.5m, planting is carried out on 3 Chinese chives in each hole, the opening of a pull wire is carried out, the depth of a ditch is 20cm, and 15 ten thousand basic seedlings are planted in each mu. And paving water and fertilizer integrated equipment, wherein the spraying range is 1/4-1/3 of the row spacing of the orchard. The method comprises the steps of respectively applying nematodes in early spring (3 late 3-4 early days and early autumn (9 late-10 early days), selecting the time to be 4 o' clock later, spraying a mixed solution of a fertilizer, entomopathogenic nematodes and thiamethoxam to a field through a water-fertilizer integrated device, wherein the spraying time is 3 hours, the concentration of the nematodes is 800-1000 IJS/mL, the total dosage of the nematodes is 0.8 hundred million per mu, the concentration of the thiamethoxam is 15mg/L, and performing normal field management after the application.
Example 2
The other conditions are the same as example 1, except that the planting rate of the seedlings for planting the Chinese chives is 20 ten thousand, and the total dosage of the nematodes per mu is 0.9 hundred million.
Example 3
The other conditions are the same as example 1, except that the number of the seedlings for planting the Chinese chives is 25 ten thousand, and the total dosage of the nematodes per mu is 1 hundred million.
Comparative example 1
The other conditions are the same as example 1, except that the natural grass growing mode is adopted among the rows of the fruit trees.
Comparative example 2
The other conditions are the same as example 1, except that the water-fertilizer integrated equipment is not adopted, and the entomopathogenic nematode suspension is directly irrigated with water.
Test examples
The field test is provided with 11 treatments, a water and fertilizer integrated device and an intercropping leek group (an example 1 group, an example 2 group and an example 3 group), an intercropping leek group (a comparative example 1), a water and fertilizer integrated device group not used (a comparative example 2), a single nematode group (an All nematode group, an SF-SN nematode group and an LN2 nematode group), a mixed nematode group (All nematodes + SF-SN nematodes + LN2 nematodes), a single thiamethoxam group and a blank control group. Area of 250m per processing cell2Repeating for 4 times, and randomly arrangingAnd (4) columns. The specific conditions and procedures are shown in Table 1.
TABLE 1 test treatment method and control effect
As can be seen from Table 1, the fruit retention effect of the apple and the trapping reduction rate of the copper aeruginosa are significantly higher in the examples 1, 2 and 3 than in the comparative examples 1 and 2, and are more significantly better than the single nematode group and the nematode mixed group. The method is mainly characterized in that under the mode of intercropping Chinese chives, because Chinese chives maggots exist in the field, the water and fertilizer integrated equipment is more favorable for the settlement of the nematodes than watering and irrigating, the reproductive capacity of the nematodes in soil is improved, and the capability of the nematodes for continuously controlling the larvae of the peach fruit borers and the grubs is more favorable for the development of the capability of the nematodes. Comprehensive analysis shows that chives are intercropped in an orchard, chive maggots are used for providing hosts of entomopathogenic nematodes, and the fruit retention effect of the embodiment 1, the embodiment 2 and the embodiment 3 of the water and fertilizer integrated equipment is improved by 55.40-56.03% compared with that of natural grass generation and watering with water in the orchard in a conventional mode, the fruit retention effect reaches 91.2-92.5%, and the occurrence of the chives on the Aerugo tortoise is reduced by 93.4-94.4%.
Verification of field test
The test selects an apple orchard to carry out field test verification. The test is carried out in a Langya mountain apple planting base in Laizhou, Shandong, and the soil is loose sandy loam with good air permeability. The apple variety is Fuji, and the plant-row spacing is 1m multiplied by 4 m. Each cell area is 250m2Isolation regions are arranged between different treatments, repeated for 4 times and randomly arranged. Planting the Chinese chives in the whole area between rows of the orchard, wherein the row spacing of the Chinese chives is 0.15m, the plant spacing is 0.5m, planting is carried out on 3 Chinese chives in each hole, the opening of a pull wire is carried out, the depth of a ditch is 20cm, and planting is carried out on 15-25 ten thousand basic seedlings in each mu. After planting the Chinese chives, a certain amount of Chinese chive maggots are inoculated in the field, so that the Chinese chive maggots can be stably propagated. And paving water and fertilizer integrated equipment, wherein the spraying range is 1/4-1/3 of the row spacing of the orchard. In Chinese chive maggotThe method comprises the steps of respectively applying nematodes in early spring (3 late 3-4 early late 3-10 early autumn) and spraying a mixed solution of a fertilizer, entomopathogenic nematodes and thiamethoxam to a field through a water and fertilizer integrated device after 4 pm, wherein the spraying time is 3 hours, the nematode concentration is 800-1000 IJS/mL, the nematode using amount is 0.8-1 hundred million, the thiamethoxam concentration is 15mg/L, the number of imagoes of the Aerugo chafer is induced and collected in 6-7 late months by using a black light lamp, the fruit retention rate is calculated by investigating the fruit rate caused by the peach fruit borers in the harvest period, the entomopathogenic nematodes are Steinernema carpocaae All, Steinernema tenella sp-SF-SN and Indian Heteroclitis heterophylla haydis LN2, and the mixed solution of the entomopathogenic nematodes is mixed solution of Steinernema haploica LN SF-SN and Indian heteroclitis hybrida haydis LN2, wherein the mixed ratio is 2.5: 5.
Claims (6)
1. A method for enhancing prevention and control of underground pests in a fruit-leek intercropping mode comprises the following steps:
interplanting Chinese chives among rows of the orchard; the inter-row interplanting method for the Chinese chive strips in the orchard comprises the following steps: planting leek strips in the whole area among rows of the orchard, wherein the row spacing of the leek strips is 0.15-0.25 m, the plant spacing is 0.5-0.1 m, 3-4 plants are fixedly planted in each hole, the wire is pulled for ditching, the ditch depth is 20cm, 15-25 ten thousand basic seedlings are fixedly planted in each mu, and after the leeks are planted, the leeks are planted in the field at intervals of 20m2Inoculating 1500-2500 Chinese chive maggots, wherein the row spacing of fruit trees in the orchard is as follows: 3-4 m, and the plant spacing is 0.8-1.5 m;
a step of applying a suspension of entomopathogenic nematodes or a suspension of entomopathogenic nematodes in admixture with a pesticide;
the step of applying the entomopathogenic nematode suspension or the mixed suspension of the entomopathogenic nematodes and the pesticide is as follows: in early spring and early autumn of the full-growth period of leek maggots, after leeks are harvested, applying entomopathogenic nematode suspension or entomopathogenic nematode and pesticide mixed suspension once through a water-fertilizer integrated way, wherein the concentration of nematodes in the entomopathogenic nematode suspension is 800-1000 IJS/mL, the concentration of nematodes in the entomopathogenic nematode and pesticide mixed suspension is 800-1000 IJS/mL, and the concentration of pesticides is 1/4-1/3 of the concentration of conventional field pesticides; in the entomopathogenic nematode solution, the entomopathogenic nematodes are a mixed solution of Steinernema carpocapsae All, Steinernema felina fulica SF-SN and heterodera indica LN2, and the entomopathogenic nematodes Steinernema carpocapsae All: the gyplusia gienbergii Steinernema feliae SF-SN: the quantity ratio of Heterorhabditis indica LN2 is: 2-3: 1-2: 0.5-1; the pesticide is thiamethoxam, imidacloprid or phoxim; the drip irrigation tape integrating the water and the fertilizer is laid in the row spacing direction, and is sprayed into the Chinese chives rows, wherein the spraying range is 1/4-1/3 Chinese chives rows on two sides of the fruit tree rows, and the Chinese chives rows in the middle positions of 1/2-1/3 among the fruit garden rows are not sprayed.
2. The method of claim 1, wherein the entomopathogenic nematodes satisfy the following requirements:
and (3) placing the entomopathogenic nematodes for 72 hours at the temperature of 24-26 ℃ for detection, wherein the survival rates of the entomopathogenic nematodes are all over 90%.
3. The method for enhancing control of soil insects in the fruit-leek intercropping mode according to claim 1, wherein the flow rate of the water-fertilizer integrated drip irrigation tape is 1.2-1.4L/h, and the spray pressure of the drip irrigation tape is less than or equal to 820 kPa; the spraying time is 3-4 hours each time.
4. A method of enhancing control of soil insects in the fruit chive intercropping mode according to claim 1, wherein the suspension of entomopathogenic nematodes or the suspension of entomopathogenic nematodes in admixture with a pesticide is applied in an amount sufficient to achieve 0.8 to 1 million nematodes per acre of nematode.
5. The method for enhancing control of soil insects in the fruit-leek intercropping mode according to claim 1, wherein a suspension of a mixture of a fertilizer, entomopathogenic nematodes and a pesticide can be sprayed to the field by a water-fertilizer integration method, wherein the fertilizer is a liquid or solid water-soluble fertilizer, and the liquid or solid water-soluble fertilizer is monopotassium phosphate or a bio-organic compound fertilizer.
6. The method for enhancing control of soil insects in fruit chive intercropping mode according to claim 1, wherein in said step of applying the entomopathogenic nematode suspension or the suspension of entomopathogenic nematodes mixed with pesticides, the spraying time is: in late 3 and 9, 4 pm, the sun is prevented from directly drying.
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| CN103348856A (en) * | 2013-07-04 | 2013-10-16 | 周程 | Planting method for interplanting Chinese chives in field of red-heart kiwi fruit |
| CN104381220A (en) * | 2014-10-08 | 2015-03-04 | 山东省果树研究所 | Pollution-free method for controlling bradysia odoriphaga |
| CN105076213A (en) * | 2015-07-15 | 2015-11-25 | 中国农业科学院植物保护研究所 | Method for preventing and curing Bradysia odoriphaga by jointly applying entomopathogenic nematodes and chemical pesticides |
| CN105052652A (en) * | 2015-07-29 | 2015-11-18 | 山东理工大学 | Cultivation method of pomegranate trees and alliumjaponicurn regel at hilly arid area and application |
| CN105076214A (en) * | 2015-09-23 | 2015-11-25 | 山东省果树研究所 | Method for improving control effect of entomopathogenic nematodes on Chinese chive maggots |
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