Causes of red spot disease of Jerusalem artichoke
In fact, Jerusalem artichoke is tenacious, but reflected in its roots, as long as it is not exposed on the surface of the soil, the soil still has moisture, even if all the flowers and leaves on the ground die, it can still tiller and sprout and be reborn.
So in fact, the flower and leaf of Jerusalem artichoke is also quite fragile, if it is not properly managed, it will still get sick, so what is the cause of Jerusalem artichoke erythema disease?
In fact, the reason is that some germs gradually recede with the low temperature in winter, and the bacteria slowly begin to invade the host with the spread of spring wind and rain, especially the Jerusalem artichoke raised in the greenhouse, high temperature and humidity, poor air circulation, which is very conducive to the spread of germs.
Knowing the cause of Jerusalem artichoke disease, friends must still feel very embarrassed. After all, germs cannot be observed by the naked eye. How do you know if there are germs in the wind and rain? Don't worry, the editor will tell you how to deal with it and how to prevent it.
How to control red spot of Jerusalem artichoke
Prevention and control, first of all, focus on prevention, it is necessary to strangle germs in the cradle. This requires us to improve the disease resistance of Jerusalem artichoke, for example, to fertilize Jerusalem artichoke, so that Jerusalem artichoke can grow strong and have strong resistance under adequate nutrition.
In addition, ventilation and daylight are essential to reduce the risk of the disease. Finally, if the Jerusalem artichoke unfortunately gets sick, it is necessary to isolate and prune the diseased leaf disease branches in time, and spray broad-spectrum fungicides immediately at the initial stage of the disease, which can generally be cured.
The price of Jerusalem artichoke
Usually in the market, Jerusalem artichoke is relatively cheap, because it is very adaptable, once planted artichoke, do not restrain, it is easy to affect the growth of other crops. Farmer uncle can only dig up the stem as far as possible and sell it all, the market transaction price is generally 1 yuan per jin.
And around the city do not dare to plant, afraid to breed too much, difficult to suppress, so it is relatively rare. But in modern society, many things can be bought without leaving home.
On the Internet, the price of Jerusalem artichoke is generally close to 2 yuan per jin, with free delivery. After comparing the price and convenience of the two ways, it is recommended to choose online purchase and sit at home to receive express delivery.
In the process of waiting for express delivery at ease, the friends must be very curious. Why is this Jerusalem artichoke rare in the vegetable market but the price is very cheap? This has to start with the breeding habits of Jerusalem artichoke itself, and listen to the editor slowly.
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How does Jerusalem artichoke prevent erythema
Prevention and control, the focus is first on prevention, to achieve the bacteria strangled in the cradle. This requires us to improve the disease resistance of Jerusalem artichoke, for example: to fertilize Jerusalem artichoke, so that sufficient nutrition under Jerusalem artichoke can grow strong, resistance is also strong. In addition, ventilation and sunlight are essential
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