Control ecológico del moho gris (Botrytis cinerea Pers.) en la floración de mandarina var. Primosole, en el distrito de San Luis – Cañete
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2024-03-12
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Universidad Nacional de Cañete
Abstracto
La investigación se realizó en un huerto comercial de mandarina variedad Primosole ubicado en el distrito de San Luis, Cañete-Lima con el objetivo de evaluar el efecto del control ecológico del moho gris (Botrytis cinerea Pers.) durante la floración del cultivo. Se instaló un diseño en bloques completos al azar (DBCA) con cuatro tratamientos y cuatro repeticiones. Los tratamientos fueron: Consorcio de Trichoderma harzianum, T. viride y T. asperellum (T1: 0.2 kg/200 L), Aceite vegetal de soya (T2: 3 L/200 L), Extracto de orégano (T3: 0.8 L/200 L) y un testigo absoluto (T0). Cada tratamiento se aplicó en tres momentos y en intervalo de diez días, en la que antes de cada aplicación se evaluó la incidencia, severidad y posteriormente con los datos obtenidos se halló el área bajo la curva del progreso de la enfermedad (AUDPC) de B. cinerea. Como resultado de las evaluaciones, para las tres variables todos los tratamientos demostraron diferencias estadísticas significativas frente al testigo pero a la vez no lograron diferenciarse entre sí. Destacando, entre los tratamientos el aceite vegetal de soya al lograr valores menores en todas las variables evaluadas, al obtener 30.45% de incidencia y 15.24% de severidad, las cuales representan 47.02% y 47.55% de eficacia de control respectivamente. Del mismo modo, para el AUDPC, el aceite vegetal de soya obtuvo el menor valor (355.74) frente a los demás tratamientos. Concluyendo así que todos los tratamientos aplicados tuvieron
efecto de control sobre el moho gris, pero la aplicación de aceite vegetal de soya (3L/200L) obtuvo valores menores a comparación de los demás tratamientos para la incidencia, severidad y AUDPC, por tal motivo, su uso es beneficioso dentro del control ecológico en el cultivo de mandarina.
The research was carried out in a commercial orchard of mandarin variety Primosole located in the district of San Luis, Cañete-Lima with the objective of evaluating the effect of ecological control of gray mold (Botrytis cinerea Pers.) during the flowering of the crop. A randomized complete block design (DBCA) was installed with four treatments and four repetitions. The treatments were: Consortium of Trichoderma harzianum, T. viride and T. asperellum (T1: 0.2 kg/200 L), Soybean vegetable oil (T2: 3 L/200 L), Oregano extract (T3: 0.8 L/200 L) and the control (T0). Each treatment was applied at three times and at an Interval of ten days, in which before each application the incidence and severity were evaluated and subsequently, with the data obtained, the area under the disease progress curve (AUDPC) of B. cinerea was obtained. As a result of the evaluations, for the three variables all treatments demonstrated significant statistical differences compared to the control but at the same time they were unable to differentiate themselves. Among the treatments, soybean vegetable oil stands had lower values in all the variables evaluated, obtaining 30.45% incidence and 15.24% severity, which represent 47.02% and 47.55% control effectiveness respectively. Similarly, for the AUDPC, soybean vegetable oil obtained the lowest value (355.74) compared to the other treatments. Thus concluding that all the applied treatments had a control effect on gray mold, but the application of soybean vegetable oil (3L/200L) obtained lower values compared to the other treatments for incidence, severity and AUDPC, for this reason, it´s use is beneficial within ecological control in mandarin cultivation.
The research was carried out in a commercial orchard of mandarin variety Primosole located in the district of San Luis, Cañete-Lima with the objective of evaluating the effect of ecological control of gray mold (Botrytis cinerea Pers.) during the flowering of the crop. A randomized complete block design (DBCA) was installed with four treatments and four repetitions. The treatments were: Consortium of Trichoderma harzianum, T. viride and T. asperellum (T1: 0.2 kg/200 L), Soybean vegetable oil (T2: 3 L/200 L), Oregano extract (T3: 0.8 L/200 L) and the control (T0). Each treatment was applied at three times and at an Interval of ten days, in which before each application the incidence and severity were evaluated and subsequently, with the data obtained, the area under the disease progress curve (AUDPC) of B. cinerea was obtained. As a result of the evaluations, for the three variables all treatments demonstrated significant statistical differences compared to the control but at the same time they were unable to differentiate themselves. Among the treatments, soybean vegetable oil stands had lower values in all the variables evaluated, obtaining 30.45% incidence and 15.24% severity, which represent 47.02% and 47.55% control effectiveness respectively. Similarly, for the AUDPC, soybean vegetable oil obtained the lowest value (355.74) compared to the other treatments. Thus concluding that all the applied treatments had a control effect on gray mold, but the application of soybean vegetable oil (3L/200L) obtained lower values compared to the other treatments for incidence, severity and AUDPC, for this reason, it´s use is beneficial within ecological control in mandarin cultivation.
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Incidencia, Severidad, aceite vegetal, extracto.
Citación
Torres Simón, Luis Eduardo - "Control ecológico del moho gris (Botrytis cinerea Pers.) en la floración de mandarina var. Primosole, en el distrito de San Luis – Cañete”. Tesis para optar el grado de Ingeniero Agrónomo. Escuela de pregrado. Facultad de Ciencias Agrarias. Universidad Nacional de Cañete. Cañete, Perú.