The sugarcane aphid is now being found in grain sorghum fields of Calhoun, Refugio and Victoria Counties.  However, I have yet to see this aphid in numbers greater than 5 per leaf.  I expect their numbers will increase over the next few weeks and we will see economic levels in May. Several effective economic thresholds have been suggested for this pest.  I think all of them are similar and will result in field treatment at about the same time. To manage the sugarcane aphid, choose from these thresholds:… Read More →