It is always best that the soil is well drained and rich in humus. This disease can be introduced into the garden on infected plants or soil or spread by tools and water. Site Map, Trees, Shrubs, Roses, Vines & Groundcovers, Puckered & Discolored Leaves from Peach Leaf Curl, Join the Houseplant Craze and Keep Them Looking Their Best, Plants for the Wine and Plant Enthusiasts, Give ‘em Room to Grow – Thinning Vegetables, Houseplants, Holiday Plants, and Cut Flowers, Crown Rot Causing Sudden Wilting and Death on Ajuga (Bugleweed). If this happens, remove the dead foliage, but let the roots stay in the ground. Most have blue, 2-lipped, tubular flowers in whorls in spring to early summer. These are sold and shipped in plugs so planting is a breeze. Disease management includes removing and discarding infected plants and the soil immediately surrounding the rootball. Pathogenicity of crown rot and root rot disease of Ajuga reptans caused by Phoma sp. Damaged root system from Thielaviopsis root rot. Watch for aphids and spider mites. Consider amending the soil with compost, peatmoss or coir to improve drainage before planting. Since the disease is in the soil it is difficult to eradicate. It first appears as sudden wilting and dieback in colder climates and yellowing and death of plants in warmer areas. The plants will often come back in the following year. Be sure to disinfect your tools with a one-part bleach and nine-part water solution during and after the process. When it’s time to water, be sure to water deeply so that the root structure of the tree or plant gets the most out of it, which will allow you to conserve water by tending your garden less often. Ajuga is best propagated in spring but can be propagated by division any time during the growing season. Whatever tools you use to haul away infected soil must be washed and sanitized thoroughly. or Low Light Situations In addition to the fungicides mentioned, Terraclor is also used to control this disease. A humus rich, moist soil is best, good air circulation is a must, and don't let the roots stand in water. Bugleweeds make great groundcovers, especially in moist conditions. Register today NOTES. The only chemical we can recommend for homeowner use is thiophanate methyl. They are susceptible to root rot if you put soil above (or on) Ajuga’s crown or if you plant them too deeply. Ajuga reptans, commonly called bugleweed, is a dense, rapidly spreading, mat-forming ground cover which features shiny, dark green leaves. Inspect plugs for discolored roots and discard plants when found. PRODUCT RESTRICTIONS Use of this product at residential sites is prohibited. Except for use on golf courses, if applying this product adjacent to a water body such as a lake, reservoir, river, permanent stream, marsh or natural pond, estuary, or commercial fishpond, there must be at … The fungus cuts off the water supply from the roots, so the owner usually complains of a sudden wilt and death of plants. A bit more information:  Reduce the risk of crown rot to healthy plantings by thinning groundcover plantings every few years or before they become overcrowded. One of the main issues with ajuga is its susceptibility to crow rot caused by the soilborne fungus Sclerotium rolfsii. Then continue back-filling to the top edge of the rootball. The crown and roots … The stems of infected plants turn brown or black and rot. Plus, watch past webinars on demand Jan. 20, 2021 Ajuga Tips. Crown and Roots Rot; Odor Present is Caused by Crown Rot Soil-dwelling fungi cause this serious disease, which can kill plants within a few days. Occasionally patches of ajuga will die. 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