Ornamental pineapple corot control method

Ornamental pineapple rot mainly damages the middle and lower leaves. Prevention and control measures include the removal of sick bodies in the park, spraying prevention and treatment at the early stage of the disease.

First, the symptoms

The main hazard is the lower middle leaf. The primary brown dots on the leaf margins or leaves, extending into semicircular to elongate or irregular shaped lesions, extending along the veins, with brownish lines at the margins, and broadly pale at the center. A black spot was buried under the epidermis of the lesion, which is the conidia of the germ and the back of the leaf was light in color.

Second, the characteristics of the disease

The disease is caused by a fungus. The pathogen is cocoa bicolor. The pathogens in the diseased plants or overwintering with the diseased body, when conditions are appropriate, produce conidia and conidia on these tissues, spread by wind and rain.

Third, control methods

(1) Horticultural control: Clear the sick and sick in the garden.

(2) Chemical control: spraying at the beginning of the disease, 40% chlorothalonil suspension solution 400 times, 50% benomyl wettable powder 1000 times, 64% anti-disease wettable powder 500 times, 50% Shi Baogong wet hair powder 1000 times, 50% sterilization Wang (chlorobromoisocyanuric acid) water-soluble powder 1000 times.

Frozen Mussels

Frozen Mussels,Frozen Cooked Clean Mussel Meat,Cooked Mussel Meat,Seafood Mussel Meat

Shengsi Huali Aquatic Products Co.,Ltd , https://www.mytilus-edulis.com