CN115280947A - Method for preventing and treating waxberry wilting disease - Google Patents
Method for preventing and treating waxberry wilting disease Download PDFInfo
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- CN115280947A CN115280947A CN202210960233.0A CN202210960233A CN115280947A CN 115280947 A CN115280947 A CN 115280947A CN 202210960233 A CN202210960233 A CN 202210960233A CN 115280947 A CN115280947 A CN 115280947A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- 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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- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
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Abstract
The invention provides a method for preventing and treating waxberry wilting disease, which mainly comprises the steps of additionally applying an organic fertilizer, thinning flowers and fruits and spraying a mixed bactericide, wherein the mixed bactericide consists of difenoconazole and azoxystrobin.
Description
Technical Field
The invention belongs to the field of plant disease control, and relates to a method for controlling waxberry wilting disease.
Background
Waxberry (1)Myrica rubra) Is the most distinctive fruit in Zhejiang province, and the red bayberry industry is developed rapidly in recent years and becomes the first fruit industry in Zhejiang province. The waxberry wilt disease is a disease commonly occurring in Zhejiang province in recent years, has the characteristics of quick onset, long course of disease, strong infectivity and the like, and seriously influences the sustainable development of industry. The typical symptoms are that withered young shoots appear at first, withered leaves fall off gradually after the leaves are green, white mildew layers often appear at the leaf marks after rain, the whole plant can be attacked in the annual period until the branches are withered, the peak period of the attack is 9-11 months, and the whole plant is generally killed in 3-5 years after the attack. The pathogenic bacteria of waxberry blight is Pestalotiopsis heterochromoidesPestalotiopsis versicolor) And Pestalotiopsis xiaojuba (A. Smallcata) ((A. Smallcata))Pestalotiopsis microspora) The strong adaptability of the germs to the environment influences the absorption and the transmission of nutrient elements such as nitrogen, calcium and the like by the waxberry tree body after the wilting disease occurs, and the activity of rhizosphere mycorrhiza is reduced. The pestalotiopsis fungus is an important plant pathogen and causes various plant diseases, such as waxberry leaf spot, tea round spot, loquat gray spot, coffee round spot, apple leaf spot and the like; the Pestalotiopsis variabilis can exist in the form of endophytes, the Pestalotiopsis microsporus is the endophyte of cephalotaxus sinensis, and a large amount of toxin generated by unknown reasons causes the cephalotaxus sinensis blight; the myriophyllum strain can be separated from the healthy waxberry trees, and the quantity of the myriophyllum strain separated from the wilting trees is several times of that of the healthy waxberry trees, which indicates that the myriophyllum is also an endophyte of the waxberry. Prevention of plant diseases caused by endophytesFor control, corresponding other control measures are firstly adopted on the basis of enhancing the growth vigor and the disease resistance of plants. The susceptibility difference of waxberry varieties to the wilt disease is obvious, the Dongkui variety mostly suffers from the wilt disease in various places, and the other varieties suffer from the wilt disease less. At present, the disease is difficult to prevent and treat, pesticides with good toxicity effects are screened indoors, the prevention and treatment effects when the pesticides are applied to orchards are not ideal, and therefore a method for effectively preventing and treating the waxberry wilt is needed.
Disclosure of Invention
The invention provides a method for preventing and treating waxberry wilting disease, and particularly relates to a method for preventing and treating waxberry wilting disease, which has a remarkable prevention and treatment effect by spraying a mixed bactericide on the basis of enhancing tree vigor and disease resistance by additionally applying an organic fertilizer and thinning flowers and fruits.
The invention relates to a method for preventing and treating waxberry wilting disease, which comprises the steps of additionally applying an organic fertilizer, thinning flowers and fruits and spraying a mixed bactericide, wherein the mixed bactericide consists of difenoconazole and azoxystrobin.
The invention provides application of a difenoconazole and azoxystrobin mixed bactericide in preventing and treating waxberry wilting.
The invention provides a mixed bactericide for preventing and treating waxberry blight, which consists of difenoconazole and azoxystrobin.
The organic fertilizer application method comprises the following steps: the organic fertilizer is used as a base fertilizer for fertilization in winter; the method comprises the steps of applying the organic fertilizer along the tree crown drip line with the ditching depth of about 20 cm, mixing the organic fertilizer with soil and then earthing.
Further, the application amount of the organic fertilizer is 10-15 kg per plant.
Furthermore, the organic fertilizer is a common commercial organic fertilizer, and the effect of applying the biological organic fertilizer is better.
The flower and fruit thinning steps are as follows: spraying lime sulphur mixture water solution to flower in the full-bloom period of the waxberries, and manually thinning fruits when the size of the waxberry young peas is large, wherein the fruits are not grown or are not grown as little as possible in the current year.
Further, the lime sulphur agent aqueous solution is 100-120 times of 45% crystalline lime sulphur agent aqueous solution.
The steps of spraying the mixed bactericide are as follows: respectively spraying the mixed bactericide 2-3 times at the early stage of the onset and the early stage of the peak period of the waxberry blight, uniformly spraying each plant until water drops on the front and back surfaces of leaves, and spraying the soil surface of boughs, trunks and gardens until the water drops; according to the weather and rainfall condition in the period, the interval time of spraying for 2 times is 10-20 days, the interval time is short if the period is rainy, and the mixed bactericide is sprayed for 1 time if the period is rainy and typhoon is more in 9-10 months; the spraying time is from 8 late months to 9 early months, and the mixed bactericide is sprayed for the first time after 2 continuous days of raining according to the weather rainfall condition.
Further, preferably, the total active ingredient content of the mixed bactericide is 30-45 g/L, wherein the difenoconazole accounts for 10-15 g/L, and the azoxystrobin accounts for 20-30 g/L.
Further, the mixed bactericide is in the form of a suspension.
Furthermore, the dilution multiple of the mixed bactericide is 1500-2000 times.
The invention has the beneficial effects that:
on the basis of increasing organic fertilizer and recuperating in the same year (no fruiting or little fruiting) to restore tree vigor and improve disease resistance, the mixed bactericide consisting of difenoconazole and azoxystrobin is respectively sprayed at the early stage of the onset and the early stage of the peak period of the waxberry blight, so that the morbidity of the waxberry blight can be effectively reduced, and the control effect is more remarkable.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in conjunction with examples, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Examples
In 2019, a control test is carried out on a waxberry orchard with severe waxberry blight in Thailand county of Zhejiang, the orchard to be tested is a gentle slope mountain land with the altitude of about 200 m, the soil is acidic red and yellow soil, the test tree is 12-year-old Dongkui waxberry, and the average disease index of the whole orchard is 5 grade. The experiment shows that 2 treatments of 1500 times of mixed bactericide (treatment 1) and 800 times of chlorothalonil (treatment 2) are sprayed, wherein the mixed bactericide is sprayed for 1 time respectively in 8 months, 28 days and 12 days in 9 months in 2019, each plant is uniformly sprayed until water drops on the front and back surfaces of the leaves, and the soil surface in boughs, trunks and gardens is wet by spraying. For testing, 325 g/L of benzyl azoxystrobin suspending agent (manufactured by Sendai, 125 g/L of difenoconazole and 200 g/L of azoxystrobin) and 75% of chlorothalonil wettable powder (manufactured by Sendai) are adopted as the mixed bactericide. Taking a sick tree without any management measure all the year round as a reference, processing 9 strains each time, repeating each strain for 1 time, and counting 9 times of repetition.
And (4) other management of the test park: applying about 13kg of common commercial organic fertilizer (nitrogen, phosphorus and potassium are more than or equal to 5 percent and organic matter is more than or equal to 45 percent) and 0.5kg of compound fertilizer (nitrogen, phosphorus and potassium are 15-10-20, produced in barland) to the strains in 11 month later 2018, applying the organic fertilizer and the compound fertilizer about 20 cm deep along the tree crown water drip line, and covering soil after mixing the organic fertilizer and the compound fertilizer with the soil; spraying lime sulfur mixture to clean the garden after pruning in 1 month in 2019; spraying 100 times of aqueous solution of 45% crystalline lime sulfur mixture for flower thinning in 21 days in 3 months, and manually removing all fruitlets which are fruitlets after flower thinning on the test trees in the middle of 4 months; spraying 1000 times of the 50% procymidone wettable powder 1 time in the last 5 th month, spraying 1500 times of the 25% pyraclostrobin suspending agent 1 time in the last 6 th month (after the red bayberries are harvested), and applying 1 kg of the compound fertilizer.
The investigation of the field control effect is carried out after the disease onset is stable at the beginning of 12 months, and the disease incidence of 1 statistical final branch in each of 4 big branch groups with approximately equal azimuth and size, such as east, south, west, north and the like of each tree is investigated.
Incidence (%) = number of diseased branches in last branch/number of total investigated branches × 100.
Control effect (%) = (control incidence-treatment incidence)/control incidence × 100.
Table 1 control of wilting disease of waxberries by different treatments.
As can be seen from the table 1, the disease rate of the branches is up to 78.05% regardless of the release of the diseased trees, the disease rate of the branches is only 19.47% by adopting the measures of applying organic fertilizer, thinning flowers and fruits, spraying mixed bactericide and the like, the control effect is up to 75.05%, and the control effect is 47.83% by adopting chlorothalonil spraying under the same management measure. Therefore, the method for preventing and treating the waxberry wilting disease can effectively reduce the incidence of the waxberry wilting disease and has a relatively obvious prevention and treatment effect.
Claims (6)
1. The method for preventing and treating waxberry wilting disease is characterized by comprising the steps of additionally applying an organic fertilizer, thinning flowers and fruits and spraying a mixed bactericide, wherein the mixed bactericide consists of difenoconazole and azoxystrobin.
2. The method for preventing and treating waxberry wilting disease according to claim 1, wherein the step of applying organic fertilizer is as follows: the organic fertilizer is used as a base fertilizer for fertilization in winter; the method comprises the steps of applying the organic fertilizer along the tree crown drip line with the ditching depth of about 20 cm, mixing the organic fertilizer with soil and then earthing; the application amount is 10-15 kg per plant; the organic fertilizer is a common commercial organic fertilizer, and the effect of applying the biological organic fertilizer is better.
3. The method for preventing and treating waxberry wilting disease according to claim 1, wherein the flower and fruit thinning steps are as follows: spraying 100-120 times of aqueous solution of 45% crystalline lime-sulfur mixture in the full-bloom stage of the waxberries for thinning flowers, and manually thinning fruits when the size of the waxberry young peas is large, wherein the fruits are not grown or are not grown as little as possible in the same year.
4. The method for preventing and treating waxberry wilting disease according to claim 1, wherein the step of spraying the mixed bactericide comprises the following steps: the mixed bactericide is respectively sprayed 2-3 times in the early stage of the onset of the blight of the waxberry and in the early stage of the peak period, the spraying interval time of the front and back 2 times is 10-20 days, and the spraying time is from 8 months to 9 months.
5. The method for preventing and treating waxberry wilting disease according to claim 4, wherein the mixed bactericide is a suspending agent prepared by mixing difenoconazole and azoxystrobin, the total effective component content is 30-45 g/L, wherein the difenoconazole is 10-15 g/L, and the azoxystrobin is 20-30 g/L.
6. The method for preventing and treating waxberry wilt disease according to claim 4, wherein the dilution ratio of the mixed bactericide is 1500-2000 times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210960233.0A CN115280947A (en) | 2022-08-11 | 2022-08-11 | Method for preventing and treating waxberry wilting disease |
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| CN202210960233.0A CN115280947A (en) | 2022-08-11 | 2022-08-11 | Method for preventing and treating waxberry wilting disease |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116369086A (en) * | 2023-05-25 | 2023-07-04 | 浙江石原金牛化工有限公司 | Method for preventing and controlling waxberry wilting disease |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798243A (en) * | 2014-01-15 | 2014-05-21 | 浙江省农业科学院 | Method for preventing or treating red bayberry wilt disease by using difenoconazole |
-
2022
- 2022-08-11 CN CN202210960233.0A patent/CN115280947A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103798243A (en) * | 2014-01-15 | 2014-05-21 | 浙江省农业科学院 | Method for preventing or treating red bayberry wilt disease by using difenoconazole |
Non-Patent Citations (7)
| Title |
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| 任海英;戚行江;梁森苗;郑锡良;: "杨梅凋萎病综合防治技术要点总结", 中国南方果树, no. 02, pages 119 - 120 * |
| 任海英;梁森苗;郑锡良;戚行江;朱潇婷;颜丽菊;: "杨梅凋萎病菌侵染、传播及树体内分布规律", 浙江农业学报, no. 04, pages 630 - 639 * |
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| 梁森苗;任海英;郑锡良;求盈盈;戚行江;: "杨梅凋萎病及其安全防控对策", 现代园艺, no. 03, pages 75 - 76 * |
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| 许渭根;李国钧;: "杨梅树枝叶凋萎症发生原因分析与防控对策", 中国植保导刊, no. 10, pages 38 - 42 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116369086A (en) * | 2023-05-25 | 2023-07-04 | 浙江石原金牛化工有限公司 | Method for preventing and controlling waxberry wilting disease |
| CN116369086B (en) * | 2023-05-25 | 2024-01-19 | 浙江石原金牛化工有限公司 | Method for preventing and controlling waxberry wilting disease |
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Application publication date: 20221104 |