Biological information: Common name: Strawberry Leaf Spot Scientific name: Mycosphaerella fragariae Family or class: Mycosphaerellaceae Symtoms and/or signs to watch out for: Leaf lesions 3-8mm in diameter Dark purple/reddish in color Life cycle: Differs in southern/northern growing regions (warmer vs. colder) Northern: 3 sources of primary inoculum: spores from overwintering sclerotia, and ascospores. Spores are … Continue reading Strawberry Leaf Spot
Pest Database
Whiteflies
Biological information: Common name: White Flies Family or class: Aleyrodidae 3 types Greenhouse White Flies Banded-wing White Flies Silverleaf White Flies Not actually a Fly, but more related to aphids, scales, and mealybugs Symptoms and or signs to watch out for: Adult bodies and wings are covered by a mealy white wax that gives them … Continue reading Whiteflies
Speedwell
Biological information: Common name: Speedwell Scientific name: Veronica Filiformis Family or class: Plantaginaceae Symptoms and/or signs to watch out for: Low growing plant Bright blue stemmed flowers Early in the year (March to May) Small scalloped leaves Life cycle: Perennial herb. Reproduces by asexually by resprouting from separated sections of stem and rhizome. Mode of … Continue reading Speedwell
Bacterial Wilt
Biological information: Common name: Bacterial Wilt Scientific name: Erwinia tracheiphila Family or class: Enterobacteriaceae Symptoms and/or signs to watch out for: Wilting of plants or vines Movement from leaf tips into petiole Bacterial ooze, streaming Life cycle: Overwinters in plant debris and infected beetles Early feeding by striped cucumber beetle and spotted cucumber beetles pick … Continue reading Bacterial Wilt
Fusarium
Biological information: Common name: Fusarium Scientific name: Fusarium oxisporum Family or class: Nectriaceae Symptoms and/or signs to watch out for: Wilting Chlorosis Necrosis Premature leaf drop Browning of the vascular system Stunting Damping off Older leaves yellow and drop first Life cycle: 3 different types of pores Microconidia Macroconidia Chlamydospores Mode of reproduction: Asexual Vectors … Continue reading Fusarium
Pigweed
Biological information: Common name: Pigweed Scientific name: Amaranthus retroflexus Family or class: Amaranthaceae Symptoms and/or signs to watch out for: Rapidly over topping shorter crops. Increasing stem growth and deploying leaves. Tall, erect to bushy plants with simple oval to diamond shaped alternate leaves with small greenish flowers. Life cycle: Emerges after spring frost date. … Continue reading Pigweed
Tomato Hornworm
Biological Information: Common Name: Tomato Hornworm / Five Spotted Hawk Moth Scientific: Manduca quinquemaculata Family: Sphingidae Symptoms and/or signs to watch out for: Leaf / fruit damage, droppings on leaves, fruit, ground. Damage to plants in the Solanaceae family, usually tomatoes, sometimes Life cycle: Eggs - laid on low foliage, 5-8 days to hatch Larva … Continue reading Tomato Hornworm
Cabbage Aphid
Biological information: Common name: Cabbage Aphid Scientific name: Brevicoryne brassicae (Linnaeus) Family or class: Aphididae Symptoms and/or signs to watch out for: Leaves curling around dense colonies Aphids damage the plant by building up in dense, sticky clumps Life cycle: Life cycle 16-50 days, shorter at higher temperatures Can be 15 generations in one season … Continue reading Cabbage Aphid
Hairy Vetch
Biological information: Common name: Hairy Vetch Scientific name:Vicia Villosa Family or class: Fabaceae Symptoms and/or signs to watch out for: small slender green shoots that spiral and cling to other plants Life cycle: Perennial establishes in fall grows through winter and spring flowers late summer through early fall Mode of reproduction: taproot or rhizome Seed … Continue reading Hairy Vetch
Phytophthora
Biological information: Common name: Phytophthora Scientific name: Phytophthora sojae, Phytophthora ramorum, Phytophthora spp. Family or class: Oomycetes Symptoms and/or signs to watch out for: Wilted leaves Dull green, yellow, red, or purple leaves Gummy sap oozing out of crown Water-logged spots on roots Dead seedlings Loss of vigor Life cycle: Spores live in soil for … Continue reading Phytophthora
Farm to You NH 