What are the characteristics of anthracnose in persimmon trees? What's the harm?

Winter is the season to eat persimmon. Thinking of the scene where the little swallow stole persimmon in the persimmon garden was still drooling. In fact, planting tomatoes is not easy. Persimmons are susceptible to anthrax. So what are the characteristics of persimmon anthracnose disease? What harm does anthrax do to persimmon?

1. Characteristics of persimmon anthracnose

(1) New tree tops

At the beginning of the disease, very small black round spots will appear on the branches.

2. In the middle stage, the shape of the round spot expands and the color becomes darker. The middle part forms a depression longitudinal crack shape.

3, infected new branches, disease easily broken. When seriously ill, the parts above the disease spot will die.

(2) Fruit

1. In the early stage of the disease, only dark brown spots will appear, the size of which is like a needle tip. It was time to pay attention.

2. After the middle stage, the disease spots gradually expanded to 5-10 mm in diameter, and the shape evolved into a concave, irregular round state. The color changed from brown to greyish black.

3. In case of humid air, pink sticky substance will appear at the affected part, that is, conidial spore mass.

4. There are one or more lesions on a diseased fruit. Early softening and shedding of fruits, mostly got disease.

2. The harm of persimmon anthracnose

1. Anthracnose is mainly harmful to persimmon fruits, new branches and tender leaves.

2. Fruit is especially harmful to young fruits. After all, the immunity of young fruits was weaker than mature fruits.

3. Anthracnose germs are resistant to cold and heat, and are relatively more stubborn than other germs. Things can be hidden in the diseased branches and fruits of persimmon trees to survive the winter. When the flowers bloom in the spring of the following year, anthracnose disease begins to attack other new branches and tender fruits.

4, in May and June of each year, anthrax into the peak period, the time will continue until September, October harvest.

Anthrax bacteria are more active at high temperatures or high humidity. And most afraid of rainy summer years, especially to the lunar calendar in May to July. Under high temperature conditions, plus a heavy rain, this disease ah! He began to act presumptuously. He was really active to the extreme.

The above is the soil drift net for you to bring persimmon anthracnose characteristics and harm. I hope it helps. Thanks for watching.