Common diseases and pests of agave

Agave Diseases

Common diseases of agave

The more common diseases of agave include leaf spot, anthracnose and gray mold.

Among them, the anthracnose of agave mainly harms the leaves, causing lesions and spots to appear on the leaves. The spots deepen in color and gradually expand in size, until the entire leaf rots.

Most diseases of agave are caused by poor cultivation environment. If the air is hot and humid, ventilation is poor, or excessive use of nitrogen fertilizer is used, prevention can be the main focus.

Agave disease prevention and control methods

In order to avoid the occurrence of diseases in agave, prevention can be the main approach. During the high temperatures in summer, pay attention to ventilation and apply fertilizer appropriately to ensure that the agave has sufficient trace elements for its growth. Remove diseased leaves promptly to prevent the disease from spreading.

When agave becomes diseased, you can spray 800 times diluted 70% thiophanate methyl, 1% Bordeaux mixture, 100 times diluted copper green milk, as well as anthrax, carbendazim and other drugs once every 7 to 10 days. It is best to use several drugs interchangeably to avoid drug resistance.

Agave Pests

Common Pests of Agave

Agave is most commonly damaged by scale insects. There are also hazards caused by shield scale, mealybug and root mealybug.

Agave Pest Control Methods

When you find insects on agave, you can first remove the insects manually. You can use bamboo sticks, tweezers, etc. to remove the insects, and then spray medicine on the plant. When there are insects in the soil, you should change the pot and soil in time, disinfect the plants, and prune the roots. Re-pot the plant, and make sure it is disinfected before potting, using fresh soil without insect eggs.

If insect pests appear, you can spray them with drugs, using 1000 times diluted 80% DDT emulsifiable concentrate. Pay attention to ventilation and take timely precautions during daily management.