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Tytuł pozycji:

Systematic Investigation of the Effects of Macro-elements and Iron on Soybean Plant Response to Fusarium oxysporum Infection

Tytuł :
Systematic Investigation of the Effects of Macro-elements and Iron on Soybean Plant Response to Fusarium oxysporum Infection
Autorzy :
Hongsheng Cai
Nan Tao
Changhong Guo
Pokaż więcej
Temat :
fusarium oxysporum
macro-element
plant yield
soybean
susceptibility
Plant culture
SB1-1110
Źródło :
The Plant Pathology Journal, Vol 36, Iss 5, Pp 398-405 (2020)
Wydawca :
Hanrimwon Publishing Company, 2020.
Rok publikacji :
2020
Kolekcja :
LCC:Plant culture
Typ dokumentu :
article
Opis pliku :
electronic resource
Język :
English
ISSN :
1598-2254
Relacje :
http://www.ppjonline.org/journal/view.html?doi=10.5423/PPJ.OA.04.2020.0069; https://doaj.org/toc/1598-2254
DOI :
10.5423/PPJ.OA.04.2020.0069
Dostęp URL :
https://doaj.org/article/6f574ef433404a2c92fbf3995fa3c5f4
Numer akcesji :
edsdoj.6f574ef433404a2c92fbf3995fa3c5f4
Czasopismo naukowe
Nutrient manipulation is a promising strategy for controlling plant diseases in sustainable agriculture. Although many studies have investigated the relationships between certain elements and plant diseases, few have comprehensively explored how differing mineral nutrition levels might affect plant–fungal pathogen interactions, namely plant susceptibility and resistance. Here, we systematically explored the effects of the seven mineral elements that plants require in the greatest amounts for normal development on the susceptibility of soybean plants (Glycine max) to Fusarium oxysporum infection in controlled greenhouse conditions. Nitrogen (N) negligibly affected plant susceptibility to infection in the range 4 to 24 mM for both tested soybean cultivars. At relatively high concentrations, phosphorus (P) increased plant susceptibility to infection, which led to severely reduced shoot and root dry weights. Potassium (K), calcium (Ca), magnesium (Mg), sulfur (S), and iron (Fe) induced plant resistance to infection as their concentrations were increased. For K and Ca, moderate concentrations had a positive effect on plant resistance to the pathogen, whereas relatively high doses of either element adversely affected plant growth and promoted disease symptoms. Further experiments were conducted, assessing disease suppression by selected combinations of macro-elements and Fe at screened concentrations, i.e., K (9 mM) plus Fe (0.2 mM), and S (4 mM) plus Fe (0.2 mM). The disease index was significantly reduced by the combination of K plus Fe. In conclusion, this systematic investigation of soybean plant responses to F. oxysporum infection provides a solid basis for future environmentally-friendly choices for application in soybean disease control programs.

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