CN111386983A - Prevention and treatment method for dragon fruit canker - Google Patents

Prevention and treatment method for dragon fruit canker Download PDF

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Publication number
CN111386983A
CN111386983A CN201910723913.9A CN201910723913A CN111386983A CN 111386983 A CN111386983 A CN 111386983A CN 201910723913 A CN201910723913 A CN 201910723913A CN 111386983 A CN111386983 A CN 111386983A
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China
Prior art keywords
dragon fruit
canker
spraying
dragon
liquid
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CN201910723913.9A
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Inventor
洪向平
徐杨玉
林杰泽
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South Subtropical Crop Science And Technology Center Of Guangdong Agricultural Reclamation
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South Subtropical Crop Science And Technology Center Of Guangdong Agricultural Reclamation
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Priority to CN201910723913.9A priority Critical patent/CN111386983A/en
Publication of CN111386983A publication Critical patent/CN111386983A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/05Fruit crops, e.g. strawberries, tomatoes or cucumbers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00Protecting plants
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/06Aluminium; Calcium; Magnesium; Compounds thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N59/00Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16Heavy metals; Compounds thereof
    • A01N59/20Copper

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Botany (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a dragon fruit canker prevention and treatment method, which belongs to the technical field of dragon fruit cultivation and comprises the following steps: s1, checking whether the dragon fruit tree has canker or not, and if so, removing disease spots; s2, cleaning the garden, cutting diseased branches, and then spraying equivalent Bordeaux mixture to the dragon orchard for four times continuously, wherein the spraying interval time is 20 days; s3, performing drug protection, and spraying pesticide on the dragon fruits and the new branches of the dragon fruit trees in a high-temperature and high-humidity season, wherein the pesticide spraying frequency is that the pesticide spraying interval in the young fruit period is 7 days, the pesticide spraying intervals in other periods are 20-30 days, the sprayed pesticide is a Baitai bactericide liquid, a mixed liquid of prochloraz and mancozeb, and a mixed liquid of ethylicin and chlorothalonil, the three liquid medicines are used in turn, and only one liquid medicine is sprayed each time. The prevention and treatment method for the dragon fruit canker has excellent canker prevention and treatment effect.

Description

Prevention and treatment method for dragon fruit canker
Technical Field
The invention belongs to the technical field of dragon fruit cultivation, and particularly relates to a dragon fruit canker prevention and treatment method.
Background
The pitaya is a new fruit variety introduced in recent years, and in recent years, due to the successful breeding of a red variety which is high in sugar and quality and can be self-pollinated, the planting area is greatly developed. However, as the planting area is gradually enlarged, diseases tend to rise, and particularly, the diseases are ulcer diseases which are developed in recent years, wherein the diseases begin to be water stain-shaped small disease spots on young branches and young fruits of the dragon fruits, and gradually enlarge and the color of the diseases becomes dark. When the high-temperature and high-humidity weather is met, the disease spots of the tender branches and young fruits are rapidly increased, and the branches and fruits are rotten. After the orchard is sick, the pesticide spraying control effect is not ideal. The sick orchard is easy to attack and decline rapidly after 1 to 3 years, and the produced fruits are wampee fruits, are easy to rot and can not be stored, so that the economic value is lost.
According to the indoor toxicity measurement of the bactericide on the dragon fruit leather arthrospora [ J ]. tropical agricultural science, 2012,32(4): 72-78) of the bactericide, reference 2 (plum sensitivity, beard beautiful and gorgeon, etc.. A dragon fruit rot pathogen identification and biological characteristic research [ J ] tropical crop science, 2012,33(11):2044 + 2048), reference 3 (sincere, Zhang Weifeng, Yuhongxu, Guangxi region dragon fruit disease initial report and prevention and control measure [ J ]. Chinese southern fruit tree, 2004,33(2): 49-50), reference 4 (Liuyueyou, Wenlun, Zhao Shihui Hui, etc.. 2011east China dragon fruit pathogen identification [ J ] Huazhongnong college, Jia, 30 (585): 588), the ulcer is currently generally considered by society, The rot caused by fungus or bacteria such as acremonium bispinosum, and the like, and the prevention and treatment are carried out by spraying bactericide such as carbendazim, prochloraz and the like or tetracycline after the infection.
The existing cultivation condition of the dragon fruit is that after the dragon fruit is infected with canker, the prevention effect cannot be achieved by singly spraying pesticide, because the bacterium and a disease source body are caused to be the acrosporium bisporus, at present, no bactericide can kill the bacterium, so that the effect cannot be achieved by spraying a single bactericide after the dragon fruit is infected with the canker, and the dragon fruit canker is a destructive disease of the dragon fruit.
Disclosure of Invention
The invention aims to provide a prevention and treatment method for dragon fruit canker in order to effectively prevent and treat the dragon fruit canker and ensure the high-quality growth of the dragon fruit.
The invention realizes the purpose through the following technical scheme:
a prevention and treatment method for dragon fruit canker comprises the following steps:
s1, checking whether the dragon fruit tree has canker or not, and if so, removing disease spots;
s2, cleaning the garden, checking whether the dragon fruit trees have canker diseases again after the dragon fruits are picked in the last batch in winter, if so, cutting diseased branches, and then spraying equivalent boldo liquid to the dragon fruit garden all round for four times continuously, wherein the spraying interval time is 20 days;
s3, performing drug protection, and spraying pesticide on the dragon fruits and the new branches of the dragon fruit trees in a high-temperature and high-humidity season, wherein the pesticide spraying frequency is that the pesticide spraying interval in the young fruit period is 7 days, the pesticide spraying intervals in other periods are 20-30 days, the sprayed pesticide is a Baitai bactericide liquid, a mixed liquid of prochloraz and mancozeb, and a mixed liquid of ethylicin and chlorothalonil, the three liquid medicines are used in turn, and only one liquid medicine is sprayed each time.
As a technical solution selected by this patent, in step S1, the method for removing the lesion includes: if the number of the disease spots on the dragon fruit tree branches is 5, the branches are completely cut off, and if the number of the disease spots is less than 5, the disease spots are manually scraped.
As a technical solution selected by this patent, in step S2, the diseased branch pruning process of dragon fruit trees is performed together with the old branch pruning process after fruit picking.
As a technical scheme selected by the patent, in the step S2, spraying equal amount of boldo liquid in the whole garden includes spraying dragon fruit trees, orchard roads and planting ground.
As an alternative solution in this patent, in step S2, the preparation method of equivalent boldo solution includes the following steps:
A. selecting 1 part of copper sulfate, 1 part of quicklime and 100-200 parts of water for later use;
B. uniformly mixing the spare copper sulfate with half of the spare water to form a copper sulfate aqueous solution;
C. uniformly mixing the spare quicklime with the other half of the spare water to form lime water;
D. pouring the copper sulfate aqueous solution and the lime water into the equivalent Bordeaux mixture container at the same time, and stirring and mixing uniformly to obtain the equivalent Bordeaux mixture.
As a technical scheme selected by the patent, in the step D, the mixing and stirring direction of the copper sulfate aqueous solution and the lime water is always unchanged.
As a technical scheme selected in this patent, in step S3, the chlorothalonil is a mixed solution of pyraclostrobin and metiram.
Compared with the prior art, the invention has the following beneficial effects:
the method is used for preventing and treating the ulcer disease of the dragon fruit from three aspects, namely reducing the ulcer disease source, selecting the drug sensitive to the ulcer germs to inhibit the ulcer disease source, and protecting young fruits, tender branches and new branches which are susceptible to the disease from being infected, so that the effect of preventing and treating the ulcer disease is achieved.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1
The embodiment of the invention discloses a dragon fruit canker prevention and treatment method, which comprises the following steps:
s1, checking whether the dragon fruit tree has canker or not, and if so, removing disease spots;
s2, cleaning the garden, checking whether the dragon fruit trees have canker diseases again after the dragon fruits are picked in the last batch in winter, if so, cutting diseased branches, and then spraying equivalent boldo liquid to the dragon fruit garden all round for four times continuously, wherein the spraying interval time is 20 days;
s3, performing drug protection, and spraying pesticide on the dragon fruits and the new branches of the dragon fruit trees in a high-temperature and high-humidity season, wherein the pesticide spraying frequency is that the pesticide spraying interval in the young fruit period is 7 days, the pesticide spraying intervals in other periods are 20-30 days, the sprayed pesticide is a Baitai bactericide liquid, a mixed liquid of prochloraz and mancozeb, and a mixed liquid of ethylicin and chlorothalonil, the three liquid medicines are used in turn, and only one liquid medicine is sprayed each time.
In the embodiment, the dragon fruit canker is mainly prevented and treated from three aspects, namely, the first aspect is to reduce the canker source, the second aspect is to select the drug sensitive to canker germs to inhibit the canker source, and the third aspect is to protect young fruits, twigs and new twigs which are susceptible to diseases from being infected;
the traditional dragon fruit canker prevention and treatment technology focuses on treatment, and a bactericide is sprayed on a diseased orchard, but no medicine can kill the germs at present due to the disease source, so that the effect cannot be achieved; the method of the invention focuses on prevention and can better play a role in prevention and treatment.
And performing drug protection in a high-temperature and high-humidity season, wherein the season is generally 4-10 months, and the young fruit period of the dragon fruit is generally 6-9 months.
Example 2
In step S1 of example 1, the method for removing lesions is: if the number of the disease spots on the dragon fruit tree branches is 5, the branches are completely cut off, and if the number of the disease spots is less than 5, the disease spots are manually scraped.
The method for removing the disease spots in the embodiment has a very good effect, and can effectively remove the disease spots in the orchard at that time.
Example 3
For step S2 of example 1, the diseased branch pruning process for dragon fruit trees is performed together with the old branch pruning process after picking.
Since the old branch pruning process is a necessary process for dragon fruit planting, in the embodiment, the diseased branch pruning process is combined with the old branch pruning process, so that the labor force can be greatly saved, and the comprehensive efficiency of pruning is improved.
Example 4
In step S2 of example 1, the liquid medicine is sprayed in an equal amount in the whole garden including dragon fruit trees, orchard roads and planting ground, and the liquid medicine spraying range can prevent and treat the ulcer disease in all aspects.
Example 5
In step S2 of example 1, the method for preparing an equivalent boldo solution includes the steps of:
A. selecting 1 part of copper sulfate, 1 part of quicklime and 100-200 parts of water for later use;
B. uniformly mixing the spare copper sulfate with half of the spare water to form a copper sulfate aqueous solution;
C. uniformly mixing the spare quicklime with the other half of the spare water to form lime water;
D. pouring the copper sulfate aqueous solution and the lime water into the equivalent Bordeaux mixture container at the same time, and stirring and mixing uniformly to obtain the equivalent Bordeaux mixture.
The equivalent Bordeaux mixture prepared by the embodiment has relatively good quality and good disease prevention effect, and in the preparation process, attention needs to be paid to the fact that concentrated lime water cannot be poured into a dilute copper sulfate solution, otherwise, the prepared solution can be rapidly precipitated, chemical injury is easy to generate, and the equivalent Bordeaux mixture is preferably prepared at the present time and is not suitable for long-term placement so as to avoid influence on the drug effect.
Example 6
For step D of example 5, the mixing and stirring direction of the copper sulfate aqueous solution and the lime water is constant, i.e. the stirring is always clockwise or counterclockwise.
Example 7
Aiming at step S3 of embodiment 1, the chlorothalonil fungicide is a mixed solution of pyraclostrobin and metiram.
The present invention can be preferably realized by the above-described embodiments. It should be noted that, based on the above structural design, in order to solve the same technical problems, even if some insubstantial modifications or colorings are made on the present invention, the adopted technical solution is still the same as the present invention, and therefore, the technical solution should be within the protection scope of the present invention.

Claims (7)

1. A prevention and treatment method for dragon fruit canker is characterized by comprising the following steps:
s1, checking whether the dragon fruit tree has canker or not, and if so, removing disease spots;
s2, cleaning the garden, checking whether the dragon fruit trees have canker diseases again after the dragon fruits are picked in the last batch in winter, if so, cutting diseased branches, and then spraying equivalent boldo liquid to the dragon fruit garden all round for four times continuously, wherein the spraying interval time is 20 days;
s3, performing drug protection, and spraying pesticide on the dragon fruits and the new branches of the dragon fruit trees in a high-temperature and high-humidity season, wherein the pesticide spraying frequency is that the pesticide spraying interval in the young fruit period is 7 days, the pesticide spraying intervals in other periods are 20-30 days, the sprayed pesticide is a Baitai bactericide liquid, a mixed liquid of prochloraz and mancozeb, and a mixed liquid of ethylicin and chlorothalonil, the three liquid medicines are used in turn, and only one liquid medicine is sprayed each time.
2. The method for preventing and treating dragon fruit canker as claimed in claim 1, wherein in step S1, the method for removing the disease spots is: if the number of the disease spots on the dragon fruit tree branches is 5, the branches are completely cut off, and if the number of the disease spots is less than 5, the disease spots are manually scraped.
3. The method for preventing and treating dragon fruit canker as claimed in claim 1, wherein in step S2, the pruning process of dragon fruit trees is performed together with the pruning process of old branches after picking.
4. The method for preventing and treating dragon fruit canker disease according to claim 1, wherein in the step S2, spraying equal amount of boldo liquid all over the garden comprises spraying dragon fruit trees, orchard roads and planting ground.
5. The method for preventing and treating dragon fruit canker as claimed in claim 1, wherein in step S2, the method for preparing equivalent boldo liquid comprises the following steps:
A. selecting 1 part of copper sulfate, 1 part of quicklime and 100-200 parts of water for later use;
B. uniformly mixing the spare copper sulfate with half of the spare water to form a copper sulfate aqueous solution;
C. uniformly mixing the spare quicklime with the other half of the spare water to form lime water;
D. pouring the copper sulfate aqueous solution and the lime water into the equivalent Bordeaux mixture container at the same time, and stirring and mixing uniformly to obtain the equivalent Bordeaux mixture.
6. The method for preventing and treating dragon fruit canker as claimed in claim 5, wherein in said step D, the mixing and stirring direction of the copper sulfate aqueous solution and the lime water is always unchanged.
7. The method for preventing and treating dragon fruit ulcer disease according to claim 1, wherein in step S3, the chlorothalonil is a mixed solution of pyraclostrobin and metiram.
CN201910723913.9A 2019-08-07 2019-08-07 Prevention and treatment method for dragon fruit canker Pending CN111386983A (en)

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Publication number Priority date Publication date Assignee Title
CN113728884A (en) * 2021-09-03 2021-12-03 广东省农垦南亚热带作物科技中心(广东省农垦农业技术推广站) Water and fertilizer integrated fertilizing and planting method for pitaya based on LED light supplementing and flower forcing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113728884A (en) * 2021-09-03 2021-12-03 广东省农垦南亚热带作物科技中心(广东省农垦农业技术推广站) Water and fertilizer integrated fertilizing and planting method for pitaya based on LED light supplementing and flower forcing

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