What Is A Biofungicide?
A biofungicide is a type of fungicide that kills fungi and bacteria without harming plants or other organisms. The term “bio” means living, and “fungus” refers to any organism that produces toxins. There are many different kinds of fungi and most have some kind of symbiotic relationship with one another. Some fungi produce toxic substances called mycotoxins which kill their hosts. Other fungi produce beneficial compounds called fungal metabolites that benefit the host. These metabolites include vitamins, minerals, amino acids and fatty acids. Mycorrhizal fungi (also known as myco-fungi) are microscopic plant roots that provide nutrients to trees and other plants through photosynthesis. They play an essential role in maintaining healthy soil structure and aiding in nutrient uptake by plants.
Biofungicides are used to control fungi and bacteria that cause diseases such as powdery mildew, leaf spot, blackspot, wilt and rust. Biofungicides can also be used to prevent fungus and bacterial outbreaks from spreading throughout your garden. They can also be used as a preventative treatment for crops that are especially prone to certain diseases, such as cucurbits (cucumbers, pumpkins, melons and squash).
Many different types of biofungicides are available, including:
Bacillus is a rod-shaped bacteria that kills harmful fungi by destroying the cell wall. It does not affect plant cells or the cells of other organisms.
Bacillus amyloliquefaciens is a type of bacillus that has been used as a biofungicide for more than 40 years to prevent and treat powdery mildew on plants such as grapes and cucumbers. It has a wide range and is effective against most types of powdery mildew, including those that are resistant to other types of fungicides. It is most effective when applied before the onset of the disease.
The product is sold under various brand names including Bumper and PRF-5.
Bacillus subtilis is another type of bacillus used as a biofungicide since the 1960s. It is often used in combination with B.
Sources & references used in this article:
An effective biofungicide with novel modes of action by PG Marrone – Pesticide Outlook, 2002 – pubs.rsc.org
Evaluating fungicides and biofungicides for controlling Cercospora leaf spot on Marigold by S Chandel, V Kumar – … Journal of Current Microbiology and Applied …, 2017 – academia.edu
Studies on biofungicidal properties of leaf extracts of some medicinal plants for the management of foot rot disease of rice. by B Sarat, Y Farishta, A Eushah – Journal of Mycopathological …, 2010 – cabdirect.org
New perspectives for the use of Ampelomyces-based biofungicides for effective control of powdery mildew on grapevine. by SE Legler, T Caffi, M Benuzzi, E Ladurner… – … Internationale sur les …, 2011 – cabdirect.org