When they are small they are more susceptible to insecticide. There are three choices, Sevin XLR, diazinon or Dursban. With all of these insecticides it is a must to water them in. None of them will be effective unless they reach the grubs. It is best to water these products in as soon as possible after treating.
Rainy days are perfect for applying grub treatment where there is no irrigation.
The frequent rains that we have been getting are making grub control timing relatively easy. Dollar spot and red thread continue to be very active. Dollar spot has been very active over the past three weeks. The patch diseases such as take-all patch and necrotic ring spot are contining to be visible. After the most recent rains there has been an outbreak of slime moulds.