Fungus gnats (Bradysia sp.) and shore flies (Scatela stagnalis) are commonly found in moist environments in greenhouses.
Fungus gnat larvae feed on microbes and decaying matter, but also feed on plant roots. They can be very damaging to seedlings and young plants. They also feed on developing callus and can delay rooting of direct stuck cuttings. Shore flies feed on algae and do not feed on plants. However the presence of adult shore flies can be a nuisance to workers and objectionable to customers.
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The 2018 Easter falls on April 1, which is an early date for Easter. The proceess for growing Easter lilies from initial potting to Easter requires 23 weeks. Growers should start the bulb forcing process soon to allow adequate time to complete the full 23 week program.Dr Richard McAvoy, Professor and Extension Specialist, greenhouse crops at the University of Connecticut has released his 2018 Easter lily schedule.
Two-spotted Spider Mites have been observed on mums. They feed primarily on the undersides of leaves removing plant sap with their stylet-like mouthparts. The feeding damage causes the leaves to have a “stippled” appearance that appears on the upper sides of the leaves. Look on the underside of the leaves for the mites and their eggs.
Late Blight of tomato has been detected in Massachusetts for the first time this growing season. This disease is caused by the fungus-like organism Phytophthora infestans and can affect both tomatoes and potatoes. It should not be confused with Phytophthora blight (caused by P. capsici), which affects squash as well as tomatoes and peppers. Late blight has also been reported to affect petunias and nightshades.