Management of root rot and stem canker of coffee with fungicides
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Rhizoctonia solani
Myrothecium roridum
Coffea arabica

How to Cite

Mercado, W., & Rodríguez, R. del P. (2001). Management of root rot and stem canker of coffee with fungicides. The Journal of Agriculture of the University of Puerto Rico, 85(3-4), 187–195.


Greenhouse tests were conducted to evaluate the effect of iprodione (Rovral®), fosetyl-AI (Alliete®), triadimephon (Bayleton 50DF®), SoilGard® (Gliocladium virens), pentachloronitrobenzene (PCNB) (Terraclor®), copper hydroxide (Champion®), benomyl (Benlate 50WP®) and "Garlic Barrier" in the population of Rhizoctonia solani and Myrothecium roridum. The most promising fungicides were evaluated at different dosages (X/2, X and 2X) to determine seedling protection and toxicity. Pentachloronitrobenzene, benomyl and iprodione were the most effective in reducing the population of ft solant in the inoculated soil with 93, 75 and 70% of inhibition, respectively. A phytotoxicity effect was observed in coffee seedlings treated with the double dosage of PCNB. The effect of fungicides was minimal in the reduction of the propagules of M. roridum when compared to the control although benomyl and triadimephon protected the seedlings against this pathogen.
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