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- Title
SOME FACTORS AFFECTING VINCA (PERIWINKLE) ROOT ROT DISEASE.
- Authors
Ghannam, Ebtihal A.; Abdel-Kader, Dawlat A.; Attia, M. M.; Atallah, O. O.
- Abstract
This study highlights the influence of different mineral fertilizers on the incidence and severity of vinca (Periwinkle; Catharanthus roseus (L.) G. Don) root rot disease. Moreover, it demonstrates the effectiveness of some chemical fungicides in reducing disease parameters. This research provides valuable insights for the development of effective fertilization strategies to enhance plant health and mitigate the impact of root rot diseases in vinca. Ammonium Sulfate ((NH4)2SO4) completely inhibited disease parameters and consistently increased plant growth parameters. Potassium and Humate potassium have limited efficacy. Rizolex-T and Occidor fungicides demonstrated complete inhibition against all tested fungi (F3(Fusarium solani; Fx3(Fusarium proliferatum); Rh.x (Rhizoctonia solani L.) and Rh.w ( Rhizoctonia solani 2) on PDA media, while Uniform and Nasrzole showed varying degrees of effectiveness depending on the tested fungi. In vivo, the application of fungicides has varying degrees of efficacy in preventing infection with vinca root rot pathogens. Rizolex-T, was effective against most pathogens, exhibited a partial effect against Fusarium proliferatum. Occidor demonstrated good efficacy against Rhizoctonia solani 2 but was less effective against Fusarium solani. Nasrzole showed overall effectiveness in preventing infection by all tested pathogens, with only partial efficacy against Rhizoctonia solani 2. The application of fungicides, particularly Nasrzole, positively influenced the growth parameters of vinca plants infected with root-rot pathogens
- Subjects
ROOT rots; FUSARIUM solani; RHIZOCTONIA solani; CATHARANTHUS roseus; AMMONIUM sulfate
- Publication
Zagazig Journal of Agricultural Research, 2024, Vol 51, Issue 2, p275
- ISSN
1110-0338
- Publication type
Article
- DOI
10.21608/zjar.2024.353653