Efficiency of different application methods of biocontrol agents and biocides in control of Fusarium root rot on some citrus rootstocks

Autor:	Riad Sedki Riad El-Mohamedy
Rok vydání:	2009
Předmět:	Fusarium Rhizosphere biology fungi food and beverages Trichoderma harzianum Orange (colour) biology.organism_classification complex mixtures Spore Agronomy Root rot Rootstock Agronomy and Crop Science Fusarium solani
Zdroj:	Archives Of Phytopathology And Plant Protection. 42:819-828
ISSN:	1477-2906 0323-5408
DOI:	10.1080/03235400701453311
Popis:	The efficiency of two biocontrol agents (Trichoderma harzianum NB and Bacillus subtilis NB) and two commercial biocides (Plant Guard and Rhizo-N) in controlling Fusarium root rot disease on some citrus rootstocks was evaluated under artificially infested soil in green house. Fusrium root rot on citrus rootstocks seedlings i.e. sour orange (SO), volkamer lime (VL), rangpur lime (RP) and cleopatra mandarin (CL) was successfully controlled by dipping the root system of such seedlings in water suspensions of each biological treatment i.e. Trichoderma harzianum (spore suspension 5×106 spore/ml), Bacillus subtilis (cell suspension 8×107 cell/ml), Plant Guard (3 g/l) and Rhizo-N (4 g/l), then transplanted into artificially infested soil with Fusarium solani and drenched with enough water suspension of such biological treatments. Plant Guard (3 g/l) and Rhizo-N (4 g/l) were highly effective treatments in decreasing infection and severity of the disease, Fusarium density in rhizosphere soil and colonizati...
Databáze:	OpenAIRE
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