Susceptible growth stages of raspberry (Rubus idaeus cv. Heritage) to Botrytis cinerea. Inhibition of the fungus in vitro and determination of B. cinerea endogenous from in fruits

Andrea Torres P.1 Mario Alvarez A.2 y Antonio Morales M.3

The objective of this experiment was to determine the growth stage of raspberry plant cv. Heritage most susceptible stage to Botrytis cinerea. Rovral 50% WP was applied to protect the plants at five growth stages. The fruit were utilized to determine the endogenous or asintomatic form of Botrytis cinerea. Simultaneously, an in vitro experiment was carried out with fungicides dietofencarb, SOS-65311, tebuconazole, and RH-7592, using benomyl and iprodione as standard fungicide. The experiment showed that all the growth stages studied were equally susceptible to the infection of B. cinerea, the endogenous from being predominant. The best fungicide was dietofencarb and tebuconazole was the less effective.

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1 Sagrados Corazones 3820, Providencia, santiago, Chile.
2 Estación Experimental La Platina (INIA), Casilla 439, Correo 3. Santiago, Chile.
3 Facultad de Ciencias Agrarias y Forestales, Universidad de Chile, Casilla 1004, Santiago, Chile.

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