The common diseases of Agave are leaf spot, anthrax and grey mould.
Among them, the Anthracnose of Agave is mainly harmful to the leaves, causing the leaves to produce lesions and spots. The color of the diseased spots is deepened and the scope is gradually expanded. Finally, the whole leaf will rot.
Most of the diseases of Agave are caused by poor cultivation environment. The air is hot and humid, with poor ventilation, or excessive use of nitrogen fertilizer, which can be mainly prevented.
In order to avoid diseases, Agave can be mainly prevented. In summer, pay attention to ventilation and reasonable fertilization to ensure that there are sufficient trace elements in the growth of agave. Remove the diseased leaves in time to avoid the spread of the disease.
When the disease of Agave occurs, it can spray 800 fold solution of 70% methyltobuzin, 1% Bordeaux solution, 100 fold solution of green milk copper, anthrax formis, carbendazim and other drugs once every 7-10 days. It is better to use several drugs alternately to avoid drug resistance.
The most common damage of Agave is scale insect. There are also the damage of the scale, the scale and the root scale.
When it is found that there are insects in tequila, you can remove them manually, use bamboo sticks, tweezers, etc., and then spray drugs on the plants. When there are insects in the soil, it is necessary to change the basin and soil in time, disinfect the plant and trim the root system. Re potting, do a good job of disinfection before potting, use fresh soil without eggs.
If there is insect damage, it can be killed by spraying medicine with 80% dichlorvos emulsion 1000 times. In daily management, attention should be paid to ventilation and timely prevention.
