| I would suggest you take some leaves to a certified nurseryman for proper disease identification and recommendation of a foliar fungicide. |
| The six common foliar diseases shown here affect primarily leaves and sometimes the fruits and stems. |
| A foliar spray of a systemic or contact aphicide can be used to control aphids if the population exceeds the threshold. |
| These results indicate that stomatal uptake can be a major pathway for the foliar uptake of ionic solutes. |
| Disease problems can include powdery mildew, Botrytis blight, aster yellows, leaf spots, viruses and foliar nematodes. |
| Do not apply foliar spray during the heat of the day or when temperatures are exceedingly high. |
