Anthracnose of Onion (Allium cepa L.): A Twister Disease.
| Title: | Anthracnose of Onion (Allium cepa L.): A Twister Disease. |
|---|---|
| Authors: | Dutta R; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; K J; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; Nadig SM; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; Manjunathagowda DC; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; ICAR-Indian Institute of Horticultural Research, Hesaraghatta Lake Post, Bengaluru 530068, KA, India.; Gurav VS; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; Singh M; ICAR-Directorate of Onion and Garlic Research, Pune 410505, MH, India.; Plant Sciences, Agricultural Scientists Recruitment Board, DARE, Ministry of Agriculture and Farmers Welfare, Government of India, Krishi Anusandhan Bhavan-I, Pusa 110012, ND, India. |
| Source: | Pathogens (Basel, Switzerland) [Pathogens] 2022 Aug 05; Vol. 11 (8). Date of Electronic Publication: 2022 Aug 05. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101596317 Publication Model: Electronic Cited Medium: Print ISSN: 2076-0817 (Print) Linking ISSN: 20760817 NLM ISO Abbreviation: Pathogens Subsets: PubMed not MEDLINE |
| Imprint Name(s): | Original Publication: Basel, Switzerland : MDPI AG, 2012- |
| Abstract: | The onion (Allium cepa L.) is a lucrative and high-value vegetable-spice crop in India, but it is sensitive to several of diseases caused by fungi, bacteria, viruses, and nematodes, of which a fungal disease, anthracnose, caused by Colletotrichum spp., is a major issue for both onion producers and researchers since it severely affects the bulb production. Twister disease is currently one of the most common problems in onion production, particularly in humid regions, and it reduces productivity while also lowering the value and profitability. Twister disease is visualised by white or pale-yellow water-soaked oval depressed lesions on leaf blades, which are the first symptoms. Lesions expand as the disease advances, and numerous black-coloured, slightly elevated structures/fruiting bodies appear in the middle area, arranged in concentric rings. Curling, twisting, chlorosis of the leaves, and aberrant extension of the neck or pseudo-stem occurs, followed by rotting of the bulb. In an unmanaged crop, an excess gibberellin production by Colletotrichum gloeosporioides and Gibberella moniliformis is suspected to induce twisting and aberrant neck elongation, which will ruin onion productivity. It is difficult and environmentally unfriendly to control these infections. Since, to the best of our knowledge, this is the first review on onion anthracnose, we tried to consolidate information. This review updates our knowledge of the pathogen, including the disease cycle, infection pathways, and disease management techniques. As a result, growers will be benefit from the application of cultural, biological, and chemical measures and the use of resistant varieties. |
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| Contributed Indexing: | Keywords: Colletotrichum; anthracnose; integrated management; onion; twister disease |
| Entry Date(s): | Date Created: 20220826 Latest Revision: 20220830 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC9415854 |
| DOI: | 10.3390/pathogens11080884 |
| PMID: | 36015005 |
| Database: | MEDLINE |
Journal Article