Prevention and control method for canker of pitaya
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A technology for fruit canker and canker, applied in the field of dragon fruit canker prevention and treatment, can solve problems such as failure to achieve the control effect, and achieve the effect of reducing the source of canker
Inactive Publication Date: 2020-07-10
广东省农垦南亚热带作物科技中心
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[0004] The current cultivation situation of pitaya is that after the pitaya is infected with canker, spraying alone cannot achieve the control effect, because the bacteria and the pathogen are Acremonium double top, and there is no any kind of sterilization at present. The fungicide can kill the fungicide, so after the dragon fruit is infected, spraying a single fungicide has no effect. Dragon fruit canker is a devastating disease of dragon fruit
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Embodiment 1
[0025] The embodiment of the invention discloses a method for preventing and treating dragon fruit canker, comprising the following steps:
[0026] S1, check whether the dragon fruit tree has canker and if there is, then remove the scab;
[0027] S2. Clear the garden. After the last batch of dragon fruit is picked in winter, check again whether there is canker on the dragon fruit tree. If so, cut off the diseased branches. Spray four times with a spray interval of 20 days;
[0028] S3, drug protection, in the season of high temperature and high humidity, carry out spraying protection to dragon fruit and new branches on the dragon fruit tree, the spraying frequency is except that the spraying interval of the young fruit period is 7 days, and the spraying interval in other periods is 20~ For 30 days, the medicines sprayed were Baitai fungicide liquid, the mixed liquid of prochloraz and mancozeb, the mixed liquid of acetoallin and chlorothalonil, and the three liquids were used ...
Embodiment 2
[0033] For the step S1 of embodiment 1, the method for removing scabs is: scabs on the dragon fruit branch reach 5, then this branch is cut off completely, to the pitaya branch of scab number less than 5, then manually Scrape off the lesions.
[0034] The method for removing scabs in this embodiment is very effective, and can effectively clean up the scabs in the orchard at that time.
Embodiment 3
[0036] For step S2 of embodiment 1, the process of cutting off diseased branches of dragon fruit tree is carried out together with the process of cutting off old branches after fruit picking.
[0037] Because the old branch pruning process is a necessary process for dragon fruit planting, in this embodiment, the process of pruning diseased branches is combined with it, which can greatly save labor and improve the overall efficiency of pruning.
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Abstract
The invention discloses a prevention and control method for canker of pitaya, and belongs to the technical field of pitaya cultivation. The prevention and control method for the canker of the pitaya comprises the steps of S1, checking whether a pitaya tree has canker or not, and if the pitaya tree has canker, removing disease spots; S2, cleaning an orchard, cutting off diseased branches, then, spraying the whole pitaya orchard with an equal amount of Bordeaux mixture, wherein spraying is continuously conducted four times, and the spraying interval time is 20 days; S3, carrying out pesticide protection, wherein in the high-temperature and high-humidity season, pitaya and new branches on the pitaya tree are sprayed with pesticide for protection, the pesticide spraying frequency includes thatthe pesticide spraying interval is 7 days in a young fruit period, the pesticide spraying interval in other periods is 20-30 days, the sprayed pesticide comprises Baitai bactericide liquid, mixed liquid of prochloraz and mancozeb and mixed liquid of ethylicin and chlorothalonil, the three kinds of liquid are used in turn, and only one kind of liquid is sprayed each time. The prevention and control method for the canker of the pitaya has an excellent canker prevention and control effect.
Description
technical field [0001] The invention belongs to the technical field of pitaya cultivation, and in particular relates to a method for preventing and treating pitaya canker. Background technique [0002] Dragon fruit is a new variety of fruit introduced in recent years. In recent years, due to the successful breeding of high-sugar, high-quality, self-pollinating red varieties, the planting area has greatly developed. However, with the gradual expansion of the planting area, the disease is also on the rise, especially the canker that broke out in recent years. The disease starts as small water-soaked spots on the twigs and young fruits of pitaya, and gradually expands and becomes darker. . In case of high temperature and high humidity weather, the lesions of young branches and young fruits will increase rapidly, and cause branches and fruits to rot. After the disease in the orchard, the control effect of spraying is not ideal. Infected orchards are prone to disease and decli...
Claims
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Application Information
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