What causes red spot disease in Jerusalem artichoke?

Actually, Jerusalem artichoke is tough, but this toughness lies in its rhizomes. As long as they are not exposed above the soil surface and there is still moisture in the soil, Jerusalem artichoke can still tiller and sprout and be reborn even if all its leaves and flowers above ground die.

So in fact the leaves and flowers of Jerusalem artichoke are quite fragile, and it will still get sick if not managed properly. So what causes Jerusalem artichoke to get red spot disease?

The cause is actually that some pathogens gradually recede with the low winter temperatures, then slowly begin to spread with the spring wind and spring rain, invading the host. This is especially true for Jerusalem artichoke grown in greenhouses, where high temperature and high humidity and poor air circulation are very favorable for the spread of pathogens.

Now that you know the cause of the disease in Jerusalem artichoke, friends must still feel quite helpless. After all, pathogens cannot be observed with the naked eye, so how can you tell whether there are pathogens in the wind and rain? Don't worry, the editor will now explain to everyone how to handle it and how to prevent and control it.

How to prevent and control red spot disease in Jerusalem artichoke

Prevention and control, prevention and control, the key first lies in prevention, to strangle the pathogens in the cradle. This requires us to improve the disease resistance of Jerusalem artichoke. For example, fertilize Jerusalem artichoke, because only with sufficient nutrients will Jerusalem artichoke grow strong and have strong resistance.

In addition, a ventilated and sunny environment is essential, as this can reduce the probability of disease. Finally, if Jerusalem artichoke unfortunately gets sick, isolate it promptly and prune off the diseased leaves and branches. In the early stage of the disease, immediately spray a broad-spectrum fungicide, and this will generally cure it.

The price of Jerusalem artichoke

Usually in the market, Jerusalem artichoke is relatively cheap, because it has very strong adaptability. Once Jerusalem artichoke is planted, if it is not suppressed, it can easily affect the growth of other crops. Farmers can only try their best to dig out the tubers and sell them all, and the market transaction price is generally 1 yuan per jin.

Around cities, people do not dare to plant it, fearing it will propagate too much and be difficult to suppress, so it is relatively rare. But in modern society, many things can be bought without leaving home.

Online, Jerusalem artichoke is generally sold at close to 2 yuan per jin, with free shipping. After comparing the price and convenience of the two methods, it is still recommended to choose online purchasing and sit comfortably at home waiting for the delivery.

While waiting impatiently for the delivery, friends must be very curious: why is Jerusalem artichoke rare in vegetable markets yet very cheap in price? This has to start with the reproductive habits of Jerusalem artichoke itself. Let the editor explain slowly.