· cacti seem to be hardy and fairly resistant to problems, but fungal diseases in cactus can be a major issue. Ensure good air circulation and avoid overwatering. An example of this is anthracnose fungus in cactus. In the greenhouse, soil from infected plants should be removed and benches disinfected. Some pesticides are available to prevent anthracnose infections, but they don’t reliably control the disease. Remove infected areas and treat with a broad-spectrum. In greenhouses, soil should be removed from areas of infected plants. One way to control the spread of anthracnose is by moving from overhead irrigation to drip irrigation. · use a knife that is disinfected before each cut. Disinfect by dipping the knife in one part bleach to four parts of water. Learn to identify, treat, and prevent this common fungal disease for healthier plants. All tools and pots need to be thoroughly disinfected. No satisfactory control is available, other than removing and destroying diseased cladodes as soon as noticed. It thrives in warm, moist conditions, especially during periods of high humidity or rain. Switching would reduce the conditions for development as well as eliminate the water spreading it from plant to plant. For new plantings, choose cultivars that are resistant to anthracnose -causing fungi, and space the plants far enough apart to maximize air circulation and increase sunlight. · protect your cacti from anthracnose. Find out about treating anthracnose in cactus here. · anthracnose manifests as black or brown spots on the cactus stems, eventually creating dead patches if untreated. Is there any effective cactus anthracnose control ?
