Use of Biofungicides for Controlling Plant Diseases to Improve Food Availability

Antonieta De Cal, Inmaculada Larena, Belén Guijarro and Paloma Melgarejo
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Antonieta De Cal: Department of Plant Protection, INIA, Carretera de La Coruña km 7. 28040 Madrid, Spain
Inmaculada Larena: Department of Plant Protection, INIA, Carretera de La Coruña km 7. 28040 Madrid, Spain
Belén Guijarro: Department of Botany, Biological Sciences 2, La Trobe University, Bundoora, Vic. 3086, Australia
Paloma Melgarejo: Department of Plant Protection, INIA, Carretera de La Coruña km 7. 28040 Madrid, Spain

Agriculture, 2012, vol. 2, issue 2, 1-16

Abstract: Biological control of fungal plant pathogens can improve global food availability, one of the three pillars of food security, by reducing crop losses, particularly for low-income farmers. However, the interrelationships of many environmental variables can result in multiple interactions among the organisms and their environment, several of which might contribute to effective biological control. Here, we present an advanced survey of the nature and practice of biological control when it is used to control brown rot in stone fruit. Specifically, we describe the population dynamics of Penicillium frequentans and Epicoccum nigrum and their efficacy as biocontrol agents against brown rot disease under field conditions. The size of P. frequentans population after an application of a P. frequentans conidial formulation during the crop season is bigger than that of E. nigrum following the application of an E. nigrum conidial formulation. Moreover, applications of a P. frequentans conidial formulation during the crop season also caused a higher reduction in the number of Monilinia spp. conidia on the fruit surface than that found after applications of an E. nigrum formulation during the growing season.

Keywords: Penicillium frequentans; Epicoccum nigrum; brown rot; stone fruit; population dynamics; biocontrol (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2012
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