Boron, zinc and manganese suppress rust on coffee plants grown in a nutrient solution

Providing adequate nutrition to coffee plants is required to maintain plant health. The effect of five doses (0.05, 0.25, 0.50, 1.0, 2.0 and 4.0 mg L −1 ) of boron (B), zinc (Zn) and manganese (Mn) on the severity of rust on coffee plants grown in nutrient solution was evaluated. Micronutrients were...

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Bibliographic Details
Published in:European journal of plant pathology 2020-03, Vol.156 (3), p.727-738
Main Authors: Pérez, Cristian David Plaza, Pozza, Edson Ampélio, Pozza, Adélia Aziz Alexandre, Elmer, Wade H., Pereira, Andreane Bastos, Guimarães, Daniel da Silva Gomes, Monteiro, Ana Cristina Andrade, de Rezende, Mário Lúcio Vilela
Format: Article
Language:English
Subjects:
Agriculture
Biomedical and Life Sciences
Boron
Coffee
Ecology
Inoculation
Life Sciences
Lignin
Manganese
Micronutrients
Nutrients
Nutrition
Phenols
Plant Pathology
Plant Sciences
Rust fungi
Seedlings
Signs and symptoms
Spores
Zinc
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Summary:Providing adequate nutrition to coffee plants is required to maintain plant health. The effect of five doses (0.05, 0.25, 0.50, 1.0, 2.0 and 4.0 mg L −1 ) of boron (B), zinc (Zn) and manganese (Mn) on the severity of rust on coffee plants grown in nutrient solution was evaluated. Micronutrients were supplied to seedlings having two pairs of fully developed leaves. The seedling plants were inoculated with spores (10 6  ml −1 ) of the coffee rust pathogen ( Hemileia vastatrix ). Five assessments of the severity of the rust symptoms were made starting on the 43rd day after inoculation. The area under the disease progress curve for severity (AUDPCS) was calculated. There was a statistical difference in AUDPCS ( p  
ISSN:0929-1873
1573-8469
DOI:10.1007/s10658-019-01922-9