How to protect the magnolia from soft rot?

How to protect the magnolia from soft rot.

The gentleman orchid needs us to take good care of it when planting, so as not to let the soft rot bacteria often invade from the wound. when the disease occurs, light yellow water stains appear on the leaves, and then expand into regular spots, so that the leaves become brown soft rot ingredients, and there is an outflow of bacterial fluid from the wound.

Prevention and control methods:

1. Keep the growth environment clean, ventilated and transparent, water moderately and do not water the sewage with virus. According to different seasons, different proportions of nitrogen, phosphorus and potassium topdressing were applied to cultivate strong plants to improve disease resistance. Spraying Zhuangtiling at the bud stage can make the buds strong, the petals enlarged, the flowers colorful and the florescence prolonged.

2. Once the disease is found, the diseased plant should be separated immediately, the culture soil around the plant should be removed to expose the diseased part, the decaying part should be scraped off with a disinfection knife, and the sun should be exposed properly to keep it ventilated and dry. If there are many rotten plants, all the diseased tissues must be removed, soak with appropriate potassium permanganate and new high-fat membrane aqueous solution for 1 hour, rinse with clean water to dry, and apply callus anticorrosive film on the cut to promote wound healing and prevent bacteria from invading. Plant in a new pot and place in a ventilated place where the temperature is not high.