Coffee leaf rust what is coffee leaf rust? coffee tree diseases and insect pests

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High temperature and humidity is the season in which a large number of spores of coffee leaf rust germinate and spread.

Coffee producers are requested to take measures to control coffee leaf rust as soon as possible. Coffee leaf rust is a worldwide coffee disease, which occurs more in low cold mountain areas than in flat areas. The loss of coffee is quite serious.

Its spores are mainly spread by Rain Water. Usually, the spores are stored in the field under the coffee tree. when the temperature is high, the spores split in large numbers, and when it rains heavily, the impact of raindrops on the ground makes the spores splash up everywhere.

The spores stay on the leaf surface and flow along the water droplets to the leaf edge and the bottom of the leaf surface. It propagates under the leaves and destroys the photosynthesis of the leaves, causing the leaves to wither and fall.

The onset period is about between the end of August and December. It can be said that this is the incubation period and the preparation period. Although, the leaves of today's coffee trees are the most beautiful season.

But it's time for the spores of coffee leaf rust to develop their skills. This is the time for prevention and treatment. Don't think that although the leaves fall every year, there will still be a harvest every year.

The severity of the disease increases every year, and the coffee garden will collapse in about seven to ten years, depending on the situation.

Coffee producers in mountainous areas have to pay attention to the prevention and control of coffee leaf rust.

Medication:

1. Oxycarboxin (plantvax): it is generally recommended to control coffee leaf rust in major foreign coffee producing countries.

two。 Santaifen (Bayleton): a recommended agent for the control of coffee leaf rust.

3. "Jiaji Copper" powder (Cupravit, that is, Copper Oxychloride basic copper oxychloride), diluted 1000 times.