Research article Open access
Effect of Application Time on the Efficacy of Trichoderma spp. to Biologically Control Sunflower Charcoal Rot
Sunflower (Helianthus annuus L.) is considered as one of the most important oilseed crops in Egypt and worldwide. It is being infected with many pathogens, among these pathogens Macrophomina phaseolina (Tassi) Goid, the causal agent of charcoal rot is the most prevalent one, and responsible for severe economic losses o …