How to prevent and cure strawberry anthracnose? What kind of medicine should I take?

A few days ago, I was idle and had nothing to do. I went to Agricultural University to pick strawberries. Unexpectedly, when picking strawberries, the big fruits were picked away by others. There were only some small ones hanging on them. Even if there were big fruits, anthracnose also occurred. How to prevent and cure strawberry anthracnose? What kind of medicine should I take?

First, how does strawberry anthracnose happen?

There are many causes of strawberry anthracnose, such as rising temperature but not timely heat dissipation, Rain Water stagnant water but not timely drainage, continuous cropping, excessive planting density leading to poor air flow, failure to clear the garden in time, and so on will cause strawberry anthracnose. In most cases, it is caused by rising temperature and increased rainfall without timely heat dissipation and drainage, and the incidence is generally the highest from June to July.

What are the symptoms of strawberry anthracnose?

Strawberry anthrax mostly occurs in the seedling stage and early planting stage, mainly harming the stem, leaves, petals and fruits of strawberries. when the disease occurs, it will lead to many black dots on the stem, which will slowly wither the stem, and then transfer to the leaves, so that there are many oval black spots on the leaves, and finally turn to the fruit, making the fruit appear a piece of light brown rotten things, which can not be eaten. When anthrax generally occurs, it will infect other plants, making the leaves of the whole plant droop under the water, and when it is serious, it will make the whole plant die.

Third, how to prevent and cure strawberry anthracnose? What kind of medicine should I take?

1. Agricultural prevention and control:

(1) maintain good ventilation: in the hot summer weather, the greenhouse film should be opened in time to maintain good ventilation in the garden.

(2) timely drainage: after rain, especially after heavy or moderate rain, trenches should be dug in time to avoid stagnant water in the seedling border.

(3) rational watering: it is best to use drip irrigation in the morning and evening when watering.

(4) rational fertilization: timely apply some phosphorus and potassium fertilizer or organic fertilizer, nitrogen fertilizer should not be excessive, in order to improve the plant disease resistance.

(5) timely loosening soil and weeding: during the growth period of strawberries, it is necessary to loosen the soil and weed at the right time in order to improve soil permeability and soil fertility.

(6) reasonable control of density: planting should not be too dense, generally the row spacing is about 20cm, and the plant spacing is about 25cm. If the density is very high, the stolon of the mother plant can be cut off, and then the mother plant can be pulled out.

(7) picking leaves in time: during the growth of strawberries, withered leaves, diseased leaves and other leaves that are not conducive to growth should be removed in time, and concentrated in remote areas for deep burial or burning treatment.

2. Chemical control:

In the initial stage, 75% chlorothalonil wettable powder or 2000 times of pyrimethrin suspension or 1500 times of 50% imipramine wettable powder or 1500 times of difenoconazole water dispersible granules or 70% mancozeb wettable powder can be sprayed. Generally spray once every other week, even spray 3 times for 4 times, each kind of medicament is sprayed in turn, it can be effectively prevented and treated.

The above is a detailed introduction of the causes, symptoms, prevention and control methods and pesticide use of strawberry anthracnose. I hope it will be helpful to everyone.