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- Title
Efficacy of chemical fungicides against the anthracnose disease caused by Colletotrichum gloeosporioides in Carica papaya fruits.
- Authors
Chan-Cupul, Wilberth; Ruelas-Jurado, Julio; Carlos Sánchez-Rangel, Juan; Tulio Buenrostro-Nava, Marco; Manzo-Sánchez, Gilberto
- Abstract
Objective: To evaluate the efficacy of chemical fungicides against Colletotrichum gloeosporioides in papaya fruits. Design/methodology/approach: The effect of four chemical fungicides (A+F=azoxystrobin + fludioxinil, C+F=cypronil + fludioxinil, B+P=boscalid + pyraclostrobin and T=tiabendazole) at 250, 500, 750, and 1000 mg kg-1 were assessed on severity and the area under the disease progress curve (AUDPC) of Colletotrichum gloeosporioides inoculated on papaya fruits. Results: At 12 days after inoculation (dai) A+F achieved a range of effectiveness between 63.0 (250 mg kg-1) to 77.52 (1000 mg kg-1); while the range of effectiveness for T was 12.8% (250 mg kg-1) to 74% (1000 mg kg-1). Both fungicides achieved the highest effectiveness at 1000 mg kg-1 that C+F (38.5%) and B+P (55.6%). The AUDPC achieved the same value at the four studied concentration in A+F, C+F, and B+P. Only 750 and 1000 mg kg-1 of T achieved the lowest AUDPC than 250 and 500 mg kg-1. Findings/conclusions: The fungicides A+F and T achieved adequate control of anthracnose in papaya fruits and the use of the diagrammatic logarithmic scale is easy to use to give a quick estimate of the disease, as well as being easy to reproduce.
- Subjects
COLLETOTRICHUM gloeosporioides; PAPAYA; POSTHARVEST diseases; FUNGICIDES; MYCOSES; ANTHRACNOSE; FRUIT
- Publication
Agro Productividad, 2024, Vol 17, Issue 4, p35
- ISSN
2448-7546
- Publication type
Article
- DOI
10.32854/agrop.v17i4.2583