Fire Blight (Apples & Pears)

Fire Blight (Apples & Pears) Description: : Can cause severe damage to apple and pear trees. Fire blight usually attacks blossoms, but infection and dieback of new shoots is common (see photo). The downward curled twig tip is characteristic of fire blight. Solution: Cut off infected twigs and branches 12″ below the dead area. Disinfect pruning tool between cuts by […]

Flea Beetle

Flea Beetle Description: Black, often with a curved yellow or white stripe on either side of its back. Flea beetles are seldom actually seen; they hop away before you get close enough to see them. They eat nearly all garden crops, and the adults are very troublesome when seedlings are set out. Leaves become riddled with little holes, chewed through […]

Fusarium Basal Rot (Onions)

Fusarium Basal Rot (Onions) Description: First seen as curving, yellowing of leaf tips, progessively moving downward. Solution: Do not grow grain cover crops in rotation with onions or garlic. Maintain soil pH at 6.5 to 7.0. Test soil pH; if it is too acid, use ground limestone to raise pH. Most garden centers and farm stores sell ground limestone. Do […]

Angular Leaf Spot (Cucurbits)

Angular Leaf Spot (Cucurbits) Description: Angular to irregular water-soaked spots form in the leaves. When moist, droplets of bacteria ooze from the underside of lesions and dry to a white residue. The lesions later turn gray to brown, dry, and tear away, leaving large irregular holes. The bacterium overwinters in diseased plant refuse and on the seed coat. Disease is […]