Diseases and Pests of Yucca and Their Control

The main diseases and pests of yucca

The main disease and pest of yucca is white rot, which has a great impact on yucca and can even have a devastating effect on the entire plant.

Symptoms of major yucca diseases and pests

The entire yucca plant will wither, and there will be many white fungal substances in the lower part of the stem. The diseased part will rot, and a large number of white mycelial roots and brown sclerotia will be seen on the surface of the soil.

Transmission routes of major diseases and pests of yucca

The pathogens of yucca white rot will fall into the soil as the diseased parts rot and fall off. After hiding, they will infect new plants again during the plant growth period in the second year.

The pathogen can also be spread through water, so the area of ​​yucca white rot will be larger in places with water circulation.

Control measures for the main diseases and pests of yucca

The symptoms of yucca should be checked promptly, and if any symptoms of white rot are found, they should be destroyed immediately to prevent secondary infection of new plants, and pesticides should be sprayed on yuccas near the diseased plants for prevention and control.

Adding an appropriate amount of lime powder to the soil where yucca is planted and turning the soil can inhibit the reproduction of white rot bacteria.