CN112021051A - Kiwi root rot control method - Google Patents
Kiwi root rot control method Download PDFInfo
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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Abstract
The invention provides a method for preventing and treating root rot of kiwi fruit, which comprises the following steps: when a diseased plant of the root rot of the kiwi fruit is found, removing flowers and fruits of the diseased plant; spraying nitrogen-phosphorus-potassium water-soluble fertilizer on the surfaces of the kiwi fruit leaves, and clearing the ditches and draining water; digging the soil around the kiwi fruit plant to form a ring-shaped pit, scraping off a focus, smearing scabs with smearing liquid, applying root-watering liquid into the soil with the radius of 1m of the kiwi fruit plant, watering pine bark with stirring liquid, filling the pine bark into the ring-shaped pit, punching the hole for 2 times within 50cm of the periphery of a pine bark ring, and injecting ozone functional water into all the holes once every month until 11 months; in the last ten days of 11 months, an annular ditch is opened 1m away from the kiwi plant, and fertilizer application and soil covering are carried out; and in the range of 50cm at the periphery of the pine bark circle in 3-4 months and 6-7 months of the second year, making third and fourth perforations, and injecting ozone functional water. The method of the invention is simple and convenient, takes effect quickly, saves cost, has obvious effect and low recurrence rate.
Description
Technical Field
The invention belongs to the technical field of kiwi fruit root rot prevention and control, and particularly relates to a kiwi fruit root rot prevention and control method.
Background
The root rot of the kiwi fruit is one of main diseases damaging the kiwi fruit, a large amount of nutrient substances cannot be obtained from soil due to root rot, the root system is lack of nutrition and cannot grow normally, nutrient absorption from the soil is blocked, plant growth and metabolism are influenced, and finally, a tree body is dead. The incidence rate of the kiwi fruit root rot in the garden with heavy soil and poor air permeability is high, and the influence of the kiwi fruit root rot on the yield is aggravated year by year. At present, the main methods for preventing and treating the root rot of the kiwi fruit comprise methods for increasing the air permeability of soil by applying organic fertilizer, airing root and irrigating medicine and the like, the methods relieve the root rot of the kiwi fruit to a certain extent, but the methods have the disadvantages of long soil improvement time by applying the organic fertilizer, incapability of fundamentally inhibiting the root rot by airing root and irrigating medicine and high recurrence rate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for preventing and treating the root rot of the kiwi fruit, which is simple and convenient, takes effect quickly, saves cost, and has obvious effect and low recurrence rate.
In order to solve the technical problems, the invention adopts the technical scheme that: a method for preventing and treating root rot of kiwi fruits comprises the following steps:
s1, in 3-5 months, when the diseased kiwi fruit plants are found, 1/2 of normal flowers and fruits are reserved, and for kiwi fruits with serious disease, all flowers and fruits of the diseased kiwi fruit plants are removed to obtain treated kiwi fruit plants; spraying nitrogen, phosphorus and potassium water-soluble fertilizer on the leaf surface of the kiwi fruit within 4-6 months, spraying the fertilizer once every 5-10 days, and clearing ditches and draining water during field management of the kiwi fruit, so that no water is accumulated around tree disks;
s2, digging soil with the radius within 30cm and the depth of 10-15 cm around the treated kiwi fruit plant in the S1 to form an annular pit, scraping old skin at the root and neck part with a knife, removing focus, smearing scabs with smearing liquid for 2 times at intervals of 5 days to obtain a medicine-smeared kiwi fruit plant; the coating solution is a mixed solution of 1000 times of 200g/L of fluoroacyl hydroxyl-benzyl triazole suspending agent, 750 times of 20% fosthiazate aqueous emulsion and 2500 times of 0.01% 14-hydroxyl brassinosteroid aqueous solution which have the same volume;
200g/L of the flucoyloxy-benzazole suspending agent in the smearing liquid can prevent and treat root diseases caused by two pathogenic bacteria, namely fusarium oxysporum (F.oxysporm) and fusarium shared (F.commune), 20% fosthiazate water emulsion can prevent and treat root rot nematodes, and 0.01% 14-hydroxy brassinosteroid aqueous solution is matched to promote fibrous root germination and callus formation, so that the occurrence of the root rot of kiwi fruits can be better prevented and treated;
s3, applying root watering liquid in the soil within the range of 1m of the radius of the kiwifruit plant smeared with the pesticide in the distance S2, and applying the root watering liquid for 2 times at intervals of 10 days; the root watering liquid is a mixed liquid of 1500 times of liquid of 200g/L of fluoroacyl hydroxyl-benzyl oxazole suspending agent and 3000 times of liquid of 0.01 percent of 14-hydroxyl brassinosteroid aqueous solution with equal volume;
s4, watering the pine bark with the stirring liquid, uniformly stirring to obtain the treated pine bark, applying the root watering liquid for 10 days in the 2 nd time in S3, filling the treated pine bark into the annular pit formed in S2, filling and leveling to form a pine bark ring around the kiwi fruit plant; what is needed isThe stirring liquid is a mixed liquid of 200 times of liquid of 50 percent captan wettable powder with equal volume, 750 times of liquid of 20 percent fosthiazate aqueous emulsion, 1500 times of liquid of 5 percent avermectin emulsifiable solution and 3000 times of liquid of 0.01 percent 14-hydroxyl brassinosteroid aqueous solution; the dosage ratio of the stirring liquid to the pine bark is (10-15) L:1m3；
The pine bark is treated by the stirring liquid, and the wettable powder of 50 percent captan in the stirring liquid has longer control effect and can kill and prevent pathogenic bacteria in the pine bark and soil. The 20% fosthiazate aqueous emulsion and the 5% avermectin emulsifiable solution can prevent and control root rot nematodes and kill pests in pine barks, the fosthiazate has good quick-acting property, the avermectin has good preventive property and better prevention and control effect, and the 10.01% 14-hydroxy brassinosteroid aqueous solution is used for stimulating the growth of root systems to improve the immunity of the root systems and reducing the occurrence of root rot;
the pine bark is buried, a pine bark ring is formed around the kiwi fruit plant, the good drainage and air permeability can be kept around the kiwi fruit plant, the pine bark is difficult to rot, the air permeability can be kept for a long time, the grass prevention and cooling effects can be achieved, the sterilization is performed by combining the strong oxidation effect of ozone in functional water, the oxygen content in soil is increased, the ventilation and the bacterial growth prevention are facilitated, the ozone sterilization effect is utilized, the application of chemical agents can be reduced, the residual accumulation of low-concentration agents in the kiwi fruit plant and the soil is reduced, and the environment-friendly and safe effects are achieved;
s5, uniformly punching holes in the range of 50cm at the periphery of the pine leather collar formed in the step S4, punching for the second time after 2 months, wherein the positions of the two punching are distributed in a staggered mode, and the number of the punching for each time is 25-30; injecting ozone functional water into the holes in S5 after 20 days of applying root watering liquid for the 2 nd time in S3, and injecting ozone functional water into all the holes once every month until 11 months;
s6, in the last ten days of 11 months, forming an annular ditch 1m away from the kiwi plant, wherein the depth of the annular ditch is 15-20 cm, the width of the annular ditch is 30-40 cm, and organic fertilizer and chemical fertilizer are sequentially applied to the annular ditch of each plant and then covered with soil for landfill; the organic fertilizer is a mixture of 30kg of decomposed cow dung and 0.1kg of urea; the fertilizer is a mixture of 0.25kg of diammonium phosphate, 0.2kg of potassium sulfate and 0.8kg of calcium superphosphate;
s7, in the range of 50cm of the periphery of the pine bark circle formed in S4, carrying out third punching in 3 months to 4 months of the second year, carrying out fourth punching in 6 months to 7 months of the second year, wherein the positions of the fourth punching are distributed in a staggered mode, injecting ozone functional water into the third punching holes after the third punching, and injecting ozone functional water into the fourth punching holes once after the fourth punching;
the mass concentration ratio of the fluxapyroxad to the difenoconazole in the 200g/L fluxad-difenoconazole suspending agent is 125: 75;
according to the method, the holes are punched for multiple times within the range of 50cm of the periphery of the pine bark ring, so that the air permeability of the soil is improved, and the incidence rate of the kiwi fruit root rot is reduced.
Preferably, the mass fractions of N, P and K in the nitrogen-phosphorus-potassium water-soluble fertilizer in S1 are both 15%.
Preferably, the application amount of the coating liquid in S2 is 400g/m per application2～500g/m2。
Preferably, the dosage of the root watering liquid in S3 is 8 kg-10 kg each time.
Preferably, the pine bark has a particle size < 4cm in S4.
Preferably, the ozone content of the ozone functional water in S5 and S7 is 1.2 mg/kg-1.5 mg/kg.
Preferably, the diameter of each of the holes in S5 and S7 is 1.5 cm-3 cm, and the depth of each of the holes is 15 cm-20 cm.
Compared with the prior art, the invention has the following advantages:
according to the invention, after the diseased plant of the root rot of the kiwi fruit is scraped off the focus, the smearing liquid is coated, the spread of the disease condition is controlled, and the growth is stimulated to recover; covering pine bark treated by the stirring liquid, increasing the ventilation of the growing environment of roots and necks, inhibiting weeds, inhibiting germs and preventing insect pests, punching holes at the periphery of a covering area, injecting ozone functional water, increasing the ventilation of root growth, improving the oxygen content of soil, sterilizing and preventing diseases, applying fertilizers such as cow dung and the like into open annular ditches at the periphery of the punching area, improving the soil structure, improving the organic matter content of soil and the ventilation of soil, providing nutrition for the growth of trees, and the method is simple and convenient, quick in effect, cost-saving, obvious in effect, low in recurrence rate, less than 8% of the recurrence rate of the root rot of the kiwi fruit in the next year, 0% of the death rate and more than 95% of kiwi fruit plants capable of normally blooming and fruiting.
The present invention will be described in further detail with reference to examples.
Detailed Description
Example 1
In a nine-peak east ao-village kiwi fruit plantation in Tiantai county, 50 kiwi fruit plants with root rot symptoms are marked, and the method for preventing and treating the root rot of the kiwi fruit comprises the following steps:
s1, in 3 months, when the diseased kiwi fruit plants are found, 1/2 of normal flowers and fruits are reserved, and for the kiwi fruit with serious disease, all flowers and fruits of the diseased kiwi fruit plants are removed to obtain treated kiwi fruit plants; spraying nitrogen, phosphorus and potassium water-soluble fertilizer on the leaf surface of the kiwi fruit every 5 days for 4-6 months, and clearing ditches and draining water during field management of the kiwi fruit, so that no water is accumulated around a tree disc; the mass fractions of N, P and K in the nitrogen-phosphorus-potassium water soluble fertilizer are both 15%;
s2, digging soil with the radius of 30cm and the depth of 10cm around the treated kiwi fruit plant in the S1 to form an annular pit, scraping old skin at the root and neck with a knife, removing focus, smearing scabs with smearing liquid for 2 times at an interval of 5 days, wherein the smearing dosage is 400g/m for each time2Obtaining the kiwi fruit plants after the medicine is smeared; the coating solution is a mixed solution of 1000 times of 200g/L of fluoroacyl hydroxyl-benzyl triazole suspending agent, 750 times of 20% fosthiazate aqueous emulsion and 2500 times of 0.01% 14-hydroxyl brassinosteroid aqueous solution which have the same volume;
200g/L of the flucoyloxy-benzyl triazole suspending agent in the coating liquid can prevent and treat root diseases caused by two pathogenic bacteria, namely fusarium oxysporum (F.oxysporm) and fusarium shared (F.commune), 20% fosthiazate water emulsion can prevent and treat root rot nematodes, and 0.01% 14-hydroxy brassinosteroid aqueous solution is matched to promote fibrous root germination and callus formation, so that the occurrence of the root rot of kiwi fruits can be better prevented and treated;
s3, applying root watering liquid in the soil within the range of 1m of the radius of the kiwifruit plant smeared with the pesticide in the distance S2, wherein the root watering liquid is applied for 2 times at intervals of 10 days, and the dosage of each time is 8 kg; the root watering liquid is a mixed liquid of 1500 times of liquid of 200g/L of fluoroacyl hydroxyl-benzyl oxazole suspending agent and 3000 times of liquid of 0.01 percent of 14-hydroxyl brassinosteroid aqueous solution with equal volume;
s4, watering pine barks with the grain size less than 4cm by using the stirring liquid, uniformly stirring to obtain treated pine barks, applying the root watering liquid for 10 days in the 2 nd time in S3, filling the treated pine barks into the annular pit formed in S2, filling and leveling to form a pine bark ring around the kiwi fruit plant; the stirring liquid is a mixed liquid of 200 times of liquid of 50% captan wettable powder, 750 times of liquid of 20% fosthiazate aqueous emulsion, 1500 times of liquid of 5% abamectin missible oil and 3000 times of liquid of 0.01% 14-hydroxy brassinosteroid aqueous solution which have the same volume; the dosage ratio of the stirring solution to the pine bark is 10L:1m3；
The pine bark is treated by the stirring liquid, and the wettable powder of 50 percent captan in the stirring liquid has longer control effect and can kill and prevent pathogenic bacteria in the pine bark and soil. The 20% fosthiazate aqueous emulsion and the 5% avermectin emulsifiable solution can prevent and control root rot nematodes and kill pests in pine barks, the fosthiazate has good quick-acting property, the avermectin has good preventive property and better prevention and control effect, and the 10.01% 14-hydroxy brassinosteroid aqueous solution is used for stimulating the growth of root systems to improve the immunity of the root systems and reducing the occurrence of root rot;
the pine bark is buried, a pine bark ring is formed around the kiwi fruit plant, the good drainage and air permeability can be kept around the kiwi fruit plant, the pine bark is difficult to rot, the air permeability can be kept for a long time, the grass prevention and cooling effects can be achieved, the sterilization is performed by combining the strong oxidation effect of ozone in functional water, the oxygen content in soil is increased, the ventilation and the bacterial growth prevention are facilitated, the ozone sterilization effect is utilized, the application of chemical agents can be reduced, the residual accumulation of low-concentration agents in the kiwi fruit plant and the soil is reduced, and the environment-friendly and safe effects are achieved;
s5, uniformly punching holes in the range of 50cm of the periphery of the pine leather collar formed in the step S4, punching for the second time after 2 months, wherein the positions of the two punching are distributed in a staggered mode, and the number of the punching for each time is 25; injecting ozone functional water into the holes in S5 after 20 days of applying root watering liquid for the 2 nd time in S3, and injecting ozone functional water into all the holes once every month until 11 months;
s6, in the last ten days of 11 months, forming an annular ditch 1m away from the kiwi plant, wherein the depth of the annular ditch is 15cm, the width of the annular ditch is 30cm, an organic fertilizer and a chemical fertilizer are sequentially applied to the annular ditch of each plant, and then the annular ditch is covered with soil and buried; the organic fertilizer is a mixture of 30kg of decomposed cow dung and 0.1kg of urea; the fertilizer is a mixture of 0.25kg of diammonium phosphate, 0.2kg of potassium sulfate and 0.8kg of calcium superphosphate;
s7, in the range of 50cm of the periphery of the pine bark circle formed in S4, carrying out third punching in 3 months of the second year, carrying out fourth punching in 6 months of the second year, wherein the positions of the fourth punching are distributed in a staggered manner, injecting ozone functional water into the third punching holes after the third punching, and injecting ozone functional water into the fourth punching holes once after the fourth punching;
the mass concentration ratio of the fluxapyroxad to the difenoconazole in the 200g/L fluxad-difenoconazole suspending agent is 125: 75; the ozone content of the S5 and the ozone functional water of S7 are both 1.2 mg/kg; the diameter of each of the holes in S5 and S7 is 1.5cm, and the depth of each of the holes is 15 cm;
in the embodiment, holes are punched for multiple times within the range of 50cm of the periphery of the pine bark ring, so that the air permeability of soil is improved, and the incidence rate of the kiwi fruit root rot is reduced.
After 50 kiwi root rot disease plants are treated, investigation is carried out at the end of 6 months in the next year, and the conditions of dead plant number, plant growth, flowering, fruiting and the like of the test plants are investigated. The recurrence rate is only 8%, the death rate is 0%, and 92% of plants can normally bloom and bear fruits.
Example 2
In the plantation of yangtou kiwi fruit in Sanhe town of Tiantai county, 40 kiwi fruit plants with root rot symptoms are marked, and the method for preventing and treating the root rot of the kiwi fruit comprises the following steps:
s1, in 5 months, when the diseased kiwi fruit plants are found, 1/2 of normal flowers and fruits are reserved, and for the kiwi fruit with serious disease, all flowers and fruits of the diseased kiwi fruit plants are removed to obtain treated kiwi fruit plants; spraying nitrogen, phosphorus and potassium water-soluble fertilizer on the leaf surface of the kiwi fruit every 10 days for 4-6 months, and clearing ditches and draining water during field management of the kiwi fruit, so that no water is accumulated around a tree disc; the mass fractions of N, P and K in the nitrogen-phosphorus-potassium water soluble fertilizer are both 15%;
s2, digging soil with the radius of 30cm and the depth of 15cm around the treated kiwi fruit plant in the S1 to form an annular pit, scraping old skin at the root and neck with a knife, removing focus, smearing scabs with smearing liquid for 2 times at an interval of 5 days, wherein the smearing dosage is 500g/m for each time2Obtaining the kiwi fruit plants after the medicine is smeared; the coating solution is a mixed solution of 1000 times of 200g/L of fluoroacyl hydroxyl-benzyl triazole suspending agent, 750 times of 20% fosthiazate aqueous emulsion and 2500 times of 0.01% 14-hydroxyl brassinosteroid aqueous solution which have the same volume;
s3, applying root watering liquid in the soil within the range of 1m of the radius of the kiwifruit plant smeared with the pesticide in the distance S2, wherein the root watering liquid is applied for 2 times at intervals of 10 days, and the dosage of each time is 10 kg; the root watering liquid is a mixed liquid of 1500 times of liquid of 200g/L of fluoroacyl hydroxyl-benzyl oxazole suspending agent and 3000 times of liquid of 0.01 percent of 14-hydroxyl brassinosteroid aqueous solution with equal volume;
s4, watering pine barks with the grain size less than 4cm by using the stirring liquid, uniformly stirring to obtain treated pine barks, applying the root watering liquid for 10 days in the 2 nd time in S3, filling the treated pine barks into the annular pit formed in S2, filling and leveling to form a pine bark ring around the kiwi fruit plant; the stirring liquid is a mixed liquid of 200 times of liquid of 50% captan wettable powder, 750 times of liquid of 20% fosthiazate aqueous emulsion, 1500 times of liquid of 5% abamectin missible oil and 3000 times of liquid of 0.01% 14-hydroxy brassinosteroid aqueous solution which have the same volume; the dosage ratio of the stirring solution to the pine bark is 15L:1m3；
S5, uniformly punching holes in the range of 50cm of the periphery of the pine leather collar formed in the step S4, punching for the second time after 2 months, wherein the positions of punching for the two times are distributed in a staggered mode, and the number of punching for each time is 30; injecting ozone functional water into the holes in S5 after 20 days of applying root watering liquid for the 2 nd time in S3, and injecting ozone functional water into all the holes once every month until 11 months;
s6, in the last ten days of 11 months, forming an annular ditch 1m away from the kiwi plant, wherein the depth of the annular ditch is 20cm, the width of the annular ditch is 40cm, an organic fertilizer and a chemical fertilizer are sequentially applied to the annular ditch of each plant, and then the annular ditch is covered with soil and buried; the organic fertilizer is a mixture of 30kg of decomposed cow dung and 0.1kg of urea; the fertilizer is a mixture of 0.25kg of diammonium phosphate, 0.2kg of potassium sulfate and 0.8kg of calcium superphosphate;
s7, in the range of 50cm of the periphery of the pine bark circle formed in S4, carrying out third punching in the 4 th month of the second year, carrying out fourth punching in the 7 th month of the second year, wherein the positions of the fourth punching are distributed in a staggered manner, injecting ozone functional water into the third punching holes after the third punching, and injecting ozone functional water into the fourth punching holes once after the fourth punching;
the mass concentration ratio of the fluxapyroxad to the difenoconazole in the 200g/L fluxad-difenoconazole suspending agent is 125: 75; the ozone content of the S5 and the ozone functional water of S7 are both 1.5 mg/kg; the holes in S5 and S7 were each 3cm in diameter and 20cm in depth.
After 40 kiwi root rot disease plants are treated, investigation is carried out at the end of 6 months in the next year, and the conditions of dead plant number, plant growth, flowering, fruiting and the like of the test plants are investigated. The recurrence rate is only 7.5%, the death rate is 0%, and 92.5% of plants can normally bloom and bear fruits.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.
Claims (7)
1. A method for preventing and treating root rot of kiwi fruits is characterized by comprising the following steps:
s1, in 3-5 months, when the diseased kiwi fruit plants are found, 1/2 of normal flowers and fruits are reserved, and for kiwi fruits with serious disease, all flowers and fruits of the diseased kiwi fruit plants are removed to obtain treated kiwi fruit plants; spraying nitrogen, phosphorus and potassium water-soluble fertilizer on the leaf surface of the kiwi fruit within 4-6 months, spraying the fertilizer once every 5-10 days, and clearing ditches and draining water during field management of the kiwi fruit, so that no water is accumulated around tree disks;
s2, digging soil with the radius within 30cm and the depth of 10-15 cm around the treated kiwi fruit plant in the S1 to form an annular pit, scraping old skin at the root and neck part with a knife, removing focus, smearing scabs with smearing liquid for 2 times at intervals of 5 days to obtain a medicine-smeared kiwi fruit plant; the coating solution is a mixed solution of 1000 times of 200g/L of fluoroacyl hydroxyl-benzyl triazole suspending agent, 750 times of 20% fosthiazate aqueous emulsion and 2500 times of 0.01% 14-hydroxyl brassinosteroid aqueous solution which have the same volume;
s3, applying root watering liquid in the soil within the range of 1m of the radius of the kiwifruit plant smeared with the pesticide in the distance S2, and applying the root watering liquid for 2 times at intervals of 10 days; the root watering liquid is a mixed liquid of 1500 times of liquid of 200g/L of fluoroacyl hydroxyl-benzyl oxazole suspending agent and 3000 times of liquid of 0.01 percent of 14-hydroxyl brassinosteroid aqueous solution with equal volume;
s4, watering the pine bark with the stirring liquid, uniformly stirring to obtain the treated pine bark, applying the root watering liquid for 10 days in the 2 nd time in S3, filling the treated pine bark into the annular pit formed in S2, filling and leveling to form a pine bark ring around the kiwi fruit plant; the stirring liquid is a mixed liquid of 200 times of liquid of 50% captan wettable powder, 750 times of liquid of 20% fosthiazate aqueous emulsion, 1500 times of liquid of 5% abamectin missible oil and 3000 times of liquid of 0.01% 14-hydroxy brassinosteroid aqueous solution which have the same volume; the dosage ratio of the stirring liquid to the pine bark is (10-15) L:1m3；
S5, uniformly punching holes in the range of 50cm at the periphery of the pine leather collar formed in the step S4, punching for the second time after 2 months, wherein the positions of the two punching are distributed in a staggered mode, and the number of the punching for each time is 25-30; injecting ozone functional water into the holes in S5 after 20 days of applying root watering liquid for the 2 nd time in S3, and injecting ozone functional water into all the holes once every month until 11 months;
s6, in the last ten days of 11 months, forming an annular ditch 1m away from the kiwi plant, wherein the depth of the annular ditch is 15-20 cm, the width of the annular ditch is 30-40 cm, and organic fertilizer and chemical fertilizer are sequentially applied to the annular ditch of each plant and then covered with soil for landfill; the organic fertilizer is a mixture of 30kg of decomposed cow dung and 0.1kg of urea; the fertilizer is a mixture of 0.25kg of diammonium phosphate, 0.2kg of potassium sulfate and 0.8kg of calcium superphosphate;
s7, in the range of 50cm of the periphery of the pine bark circle formed in S4, carrying out third punching in 3 months to 4 months of the second year, carrying out fourth punching in 6 months to 7 months of the second year, wherein the positions of the fourth punching are distributed in a staggered mode, injecting ozone functional water into the third punching holes after the third punching, and injecting ozone functional water into the fourth punching holes once after the fourth punching;
the mass concentration ratio of the fluxapyroxad to the difenoconazole in the 200g/L fluxad-difenoconazole suspending agent is 125: 75.
2. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein both N, P and K in the nitrogen-phosphorus-potassium water-soluble fertilizer in S1 are 15% by mass.
3. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein the amount of the coating liquid in S2 per application is 400g/m2～500g/m2。
4. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein the amount of the root watering liquid in S3 is 8 kg-10 kg per time.
5. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein the pine bark has a particle size of < 4cm in S4.
6. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein the ozone content of the ozone-containing functional water obtained by neutralizing the ozone with the ozone of S5 and S7 is 1.2 mg/kg-1.5 mg/kg.
7. The method for preventing and treating the root rot of kiwi fruit according to claim 1, wherein the diameter of each of the holes in S5 and S7 is 1.5cm to 3cm, and the depth of each of the holes is 15cm to 20 cm.
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