Diagnosis and Control of Phytophthora Diseases | 農藥合法資訊網

Phytophthoraorganismsarecommonlyreferredtoaswatermolds.Theythrive,grow,reproduce,andinfectplantrootsinwater,saturatedsoil,andalongriver ...

J.W. Pscheidt, Extension Plant Pathology Specialist, OSU

The first step in managing any of the several diseases caused by Phytophthora spp. is to obtain an accurate diagnosis. Although Phytophthora is a recognized disease problem in the Pacific Northwest, it has been misdiagnosed in the field half the time in Oregon.10 A wide variety of cultural and chemical controls can be implemented for Phytophthora problems. Time spent collecting all the information for an accurate diagnosis will aid management efforts in the long run.

Diagnosing a Phytophthora Problem

Certain lines of evidence can quickly lead you toward (or away from) a Phytophthora disease diagnosis. The evidence is in the field characteristics, field history, and symptoms of the affected plants. Knowing the biology of the Phytophthora o...

Phytophthora | 農藥合法資訊網

Phytophthora is a genus of plant-damaging oomycetes (water molds), whose member species are capable of causing enormous economic losses on crops ... Read More

Phytophthora infestans | 農藥合法資訊網

Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or ... Read More

Phytophthora cinnamomi | 農藥合法資訊網

Phytophthora cinnamomi is a soil-borne water mould that produces an infection which causes a condition in plants variously called root rot, dieback, or (in ... Read More

Phytophthora Fungus Information | 農藥合法資訊網

2021年5月18日 — Phytophthora, a soil-borne pathogen that infects trees, woody plants and even vegetables, can lead to their sudden death. This article provides ... Read More

Diagnosis and Control of Phytophthora Diseases | 農藥合法資訊網

Phytophthora organisms are commonly referred to as water molds. They thrive, grow, reproduce, and infect plant roots in water, saturated soil, and along river ... Read More

Phytophthora Root and Crown Rot in the Garden | 農藥合法資訊網

Phytophthora species are soil-inhabiting pathogens that are favored by wet conditions. Although previously considered fungi, Phytophthora species are now ... Read More

Phytophthora root rot RHS Gardening | 農藥合法資訊網

Phytophthora species are microscopic, fungus-like organisms. The species causing root and stem base decay of plants are found within the soil, where they may ... Read More

Phytophthora blight | 農藥合法資訊網

Phytophthora capsici is an oomycete, also known as a water mold. Oomycetes are not true fungi, but are close relatives to certain kinds of algae. Phytophthora has ... Read More

Phytophthora basics | 農藥合法資訊網

Phytophthora (pronounced Fy-TOFF-thor-uh) is a genus of microorganisms in the Stramenopile kingdom which includes water molds, diatoms and brown algae. Read More

New Records of Phytophthora Diseases of Aromatic Crops in ... | 農藥合法資訊網

由 PJ Ann 著作 · 2010 · 被引用 6 次 — 關鍵字: Phytophthora parasitica;P. palmivora;P. tropicalis;P. citrophthora;New disease records;Aromatic herbs;Salvia officinalis;Rosmarinus officinalis ... Read More

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