COLLETOTRICHUM Meaning and
Definition
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Colletotrichum is a genus of fungi that belongs to the family Glomerellaceae, within the phylum Ascomycota. It includes several species of plant pathogens that cause a plant disease known as anthracnose. The name "colletotrichum" is derived from the Greek word "kolleto" meaning stumpy and "trichos" meaning hair; referring to the stumpy setae or short hairs found on the conidiophores of some species.
These fungi are widely distributed in various tropical, subtropical, and temperate regions, where they infect a wide range of hosts including fruits, vegetables, trees, and ornamental plants. Colletotrichum species are responsible for significant economic losses in agriculture, as they can cause severe damage to crops, reduce yields, and affect post-harvest quality of produce. The disease symptoms typically include dark, sunken lesions surrounded by a distinct border on the plant tissues, which may eventually lead to rotting and decay.
The reproductive structures of Colletotrichum fungi include acervuli or spore-producing structures that contain a large number of asexual spores called conidia. These conidia are dispersed by wind, rain, or insects, facilitating the spread of the pathogen to healthy plants. In addition to the asexual stage, Colletotrichum species also have sexual fruiting bodies called pseudothecia, which produce sexually-derived ascospores for long-term survival and dispersal.
Controlling Colletotrichum infections typically involves the use of cultural practices such as pruning infected plant parts, improving air circulation, and maintaining proper sanitation. Fungicides can also be applied preventively or curatively to manage the disease. However, the development of resistant strains and
Common Misspellings for COLLETOTRICHUM
- xolletotrichum
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Etymology of COLLETOTRICHUM
The word "Colletotrichum" is derived from Greek and Latin origins. The genus name "Colletotrichum" is formed from the combination of two Latin words: "colletum" (meaning 'a docking place' or 'recessed') and "trichum" (meaning 'hair'). The term "colletotrichum" was chosen to describe the morphological appearance of the fungus, which often forms hair-like structures (setae) on its surface.
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