A: The long thin lines on your tomato leaf are probably caused by the vegetable leafminer, Liriomyza sativae Blanchard. The information I am giving you is adapted from a University of Florida/IFAS publication called, “Vegetable Leafminer.” This insect is found commonly… Read More
Category: Pests & Disease
Q: My tomato plants have wilted from the top. They look like they need to be watered but I know they have been getting enough water. I cut the stem like you suggested and I see a brown… Read More
A: Once you brought a clipping of the tomato leaves into the office, the culprit was easy to identify. The cause of the white lines is probably the American serpentine leafminer, Liriomyza trifolii. The American serpentine leafminer is… Read More
Q: I planted so many fruit seeds and lost so many plants I no longer know what is growing. Is this plant canteloupe or watermelo?
Q: I planted so many fruit seeds and lost so many plants I no longer know what is growing. Can you tell me if this plant is cantaloupe or watermelon? What are some good choices for seedless watermelon?… Read More
A: Thank you for bringing in some samples of your tree damage. It would have been difficult to locate the small, white cocoons and then identify the insect without seeing those samples. The caterpillar is probably from the… Read More
A: The red bay psyllid, Trioza magnoliae, was originally called the bay magnolia psyllid (Ashmead 1881) because the host plant from which it was originally described was believed to be the plant that is now known as sweet… Read More
Q: My neighbor’s oak died suddenly. Now mine is doing poorly and I wanted to be sure it wasn’t a disease that might spread to mine. What could have caused it? A: Thanks for bringing me cuttings of… Read More
A: Thank you for bringing samples of your oak tree into the plant clinic. These small structures on the stem are called bullet galls. These growths are caused by a very tiny female wasp, Disholcaspis quercusvirens, placing an… Read More
Q: I found these unusual growths on my oak trees. What are they and will it cause my oak tree to die?
A: Thank you for bringing this to the Extension office; I have seen this gall only one other time in my thirteen years of being a Horticulture agent in Nassau County. I believe the gall is called an… Read More
Q: What is wrong with my magnolia tree? It is very large but some limbs are dying and the leaves are yellowing between the veins? A: After exchanging some phone calls and looking at a few photos I… Read More