Control of diseases of water ghost banana

anthracnose

Symptoms: Anthracnose is a fungal disease, mainly harmful to plant leaves, plant growth is very unfavorable.

Control methods: timely cut off the burned leaves, spray 600 times of 40% multi-sulfur suspension agent before flowering in spring, pay attention to keep wet, do not apply nitrogen fertilizer.

blight

Symptoms: leaf blight mainly affects leaves, flowers and bulbs. The leaves will appear bruised, causing the leaves to dry out.

Prevention and control methods: first cut off dead leaves in time, can spray once a week 50% sterilization king water-soluble powder 1000 times liquid or 40% chlorothalonil suspension 500 times liquid.

Diseases and Control of Musa nigra

Colletotrichum nigrum

anthracnose

Colletotrichum is often harmful to water ghost banana. Colletotrichum harms the leaves of water ghost banana and affects the growth of water ghost banana.

Anthracnose is a fungal disease caused by fungi belonging to the subphylum Discospora. Germs can be transmitted by rain, and diseases can occur annually in warm and humid areas. The disease was induced easily by humid environment or partial application of nitrogen fertilizer.

control methods

When a disease is found, the diseased leaves can be cut off and burned.

Spray 2-3 times before flowering in spring to prevent diseases. 600 times solution of 40% polysulfur suspension, 800 times solution of 50% Shibaogong wet powder, or 500 times solution of 25% Tanteling can be alternately sprayed.

In addition, pay attention not to partial application of nitrogen fertilizer, keep the basin soil slightly wet, and drain in time after rain.

Phyllosticta nigra

blight

Water ghost banana leaf blight is also called spider orchid scorched leaf disease. Leaf blight mainly damages leaves, flowers and corms of plants. The leaves appear bruised and enlarged, and the leaves are severely withered.

Leaf blight is also a fungal disease, spread by rain and watering, occurring from January to November each year.

control methods

Cut off dead leaves in time when water ghost banana leaf blight occurs.

Spray 50% Bactericide water-soluble powder 1000 times solution or 40% chlorothalonil suspension 500 times solution, 30% copper oxychloride colloidal suspension 600 times solution, once every 7~15 days.

brown spot of water ghost banana

brown spot

When brown spot disease broke out, it mainly damaged leaves, and the rainfall was heavy, so the damage was serious.

Brown spot is also a disease caused by fungi.

control methods

Discovered diseased leaves are removed in time. At the end of autumn, the diseased leaves were completely removed and burned intensively to reduce the bacterial source.

Spraying 800 times solution of 25% benomyl·cyclohexane-zinc emulsifiable concentrate or 500 times solution of 75% mancozeb wettable powder for control, once every 10 days or so, for 3~4 times continuously.

Control of common diseases and insect pests of water ghost banana

The main diseases are leaf spot disease and leaf scorch disease. When a small amount is found, the diseased leaves are removed and destroyed. When it occurs seriously, spray 75% mancozeb WP 500 times to control it.