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White mold affects a wide range of hosts and causes sclerotinia stem rot. It is known to infect 408 plant species. As a nonspecific plant pathogen, [3] diverse host range and ability to infect plants at any stage of growth makes white mold a very serious disease. The fungus can survive on infected tissues, in the soil, and on living plants.
In college during my introductory horticulture class, in which we had to nurse one of the easiest houseplants out there—a tiny, leafy-green pothos—it was wilted in record time, only slightly ...
Find out how to prune orchids of all types, and when to do your pruning to encourage fresh growth and more blooming.
Woolly aphids generally are not much cause for alarm, although they can cause rather unsightly damage to plants, which is particularly a problem for growers of ornamental plants. Symptoms caused by their feeding on a plant include twisted and curled leaves, yellowed foliage, poor plant growth, low plant vigor, and branch dieback. [citation needed]
Dactylorhiza is Ancient Greek for finger root, referring to the shape of the plant's roots. The subspecies name fuchsii honours the 16th-century German botanist Leonhart Fuchs. The English name 'common spotted' refers to the species' abundance and the spots on its leaves. The French and German common names also honour Leonhart Fuchs.
The orchid family is one of the largest flowering plant families in the world. Orchids can be found on every continent except Antarctica. Beautiful and fascinating, Orchids can grow almost ...
It is commonly known as the white egret flower, fringed orchid or sagisō (鷺草). Pecteilis radiata grows with small tubers, from which grasslike leaves emerge. Flower spikes, which can be up to 50 cm tall, produce 2-3 white flowers that bloom in late summer. [ 2 ]
Cephalanthera austiniae is a species of orchid known as the phantom orchid and snow orchid [2] because the entire plant is white except for a few yellow markings on the flowers. The orchid is native to the western United States ( California , Oregon , Washington and Idaho ), and to British Columbia , Canada.