pythium spp host:plantpathology.tamu.edu

Listing 1 - 10 from 17 for pythium spp

Vegetable Crops pt 2
... to 14 day intervals will control the disease. Root Knot Nematode (nematode - Meloidogyne spp.): Root-knot nematodes seriously damage carrots and cause multiple tap-root formation. ... losses. See Root Knot Nematode (nematode - Meloidogyne spp.): CORN (SWEET) Zea mays var. saccharata Seed Rots and Seedling Disease (fungi - Pythium spp. Macrophomina phaseolina , Gibberella zeae, Penicillium oxalicum and ...
plantpathology.tamu.edu

Vegetable Crops - pt 4
... peppers, however, most of the common green pepper types are susceptible. Damping Off (fungi - Rhizoctonia, Pythium spp.): Small, emerging seedlings wilt and die soon after emergence. Root systems of surviving plants are ...
plantpathology.tamu.edu

Vegetable Crops - pt 5
... . The virus is aphid transmitted. Most commercial varieties are resistant. Seedling Disease (fungi - Fusarium spp., Rhizoctonia spp., Pythium spp., Others): Preemergence and postemergence damping off can seriously reduce stands. Rotate with corn, plant after ...
plantpathology.tamu.edu

AFRICAN VIOLET (SAINTPAULIA)
... (SAINTPAULIA) AFRICAN VIOLET (SAINTPAULIA) Saintpaulia ionantha Crown Rot (fungi - Pythium spp., Phytophthora spp., Fusarium spp.): Crown rot is probably the most serious disease of African violets and may cause ... area surrounding the plants with a household cleaner or bleach. Powdery Mildew (fungus - Oidium spp.): A white powdery type substance may be observed on leaves, petioles, petals or flower ...
plantpathology.tamu.edu

AMARYLLIS
... . Foliar fungicides may be used to protect above-ground parts. Bulb Rots (fungi - Botrytis spp., Rhizopus spp., Sclerotinia spp., Pythium spp. and others): Bulb rots caused by fungi are quite common. The fungi may enter ...
plantpathology.tamu.edu

BEGONIA
BEGONIABEGONIA Begonia spp. Stem and Root Rot (fungi - Pythium spp., Rhizoctonia spp. and others): Affected plants wilt and break over at the soil line due to decayed ... leaves may shed prematurely. Chemical control may be only partially effective. Root Knot (nematode - Meloidogyne spp.): This nematode causes knots to form on roots. This problem can be prevented by using ...
plantpathology.tamu.edu

CHRYSANTHEMUM
... in size. Control same as for Fusarium Wilt. Collar or Stem Rot (fungi - Pythium spp., Rhizoctonia spp., Fusarium spp.): Stem turns dark at soil line, entire stem is girdled and plant ... . Regular foliar fungicide applications will control this disease. Leaf Spots (fungi - Septoria spp., Alternaria spp., Cercospora spp., and others): Small yellow spots that gradually enlarge increasing to one inch ...
plantpathology.tamu.edu

GERANIUM
... (Xanthomonas sp.) and fungi (Pythium sp., Rhizoctonia sp., Fusarium sp., and Botrytis sp.) cause stem rot. They may infect stems singularly or in combination. Black Leg (fungus - Pythium spp.): Generally a disease of ...
plantpathology.tamu.edu

PERIWINKLE DISEASES
PERIWINKLE DISEASES PERIWINKLE DISEASES Vinca rosea Pythium Root and Stem Rot (fungus - Pythium spp.): Lesions produced on stems and roots with rapid progression of symptoms. Infected plants die soon ...
plantpathology.tamu.edu

TULIP
TULIPTULIP Tulips gesneriana Bulb, Crown and Root Rot (fungi - Penicillium spp., Sclerotium rolfsii, Pythium spp., Fusarium spp., Rhizopus stolonifer, Rhizoctonia solani, Aspergillus spp.): Tulips may not come up or leaves may be yellow or reddish ...
plantpathology.tamu.edu