Ads
related to: identifying plant diseases and treatment
Search results
Results from the WOW.Com Content Network
Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). [1] Organisms that cause infectious disease include fungi , oomycetes , bacteria , viruses , viroids , virus -like organisms, phytoplasmas , protozoa , nematodes and parasitic plants . [ 2 ]
Plant disease triangle. Epidemiology is the study of factors affecting the outbreak and spread of infectious diseases. [10] A disease triangle describes the basic factors required for plant diseases. These are the host plant, the pathogen, and the environment. Any one of these can be modified to control a disease. [11]
Miscellaneous diseases and disorders Aerial tubers Phytoplasma infection or anything that constricts the stem, including but not limited to Rhizoctonia canker, heat necrosis, chemical injury, mechanical injury, wind injury
Like with pests, the solution to treating any plant disease starts with properly identifying it, says Langelo. Tips for Keeping an Orchid Healthy Understanding the needs of your orchid will help ...
Calico genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) : Enation genus Nepovirus, Tomato black ring virus (TBRV) : Infectious bud failure genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV)
This category includes economically significant plant diseases and the organisms that cause them including, fungi, bacteria, protists and viruses. For more information on plant pathology see phytopathology. For insects that transmit plant pathogens see Insect vectors of plant pathogens.
The patterns may appear on a few or many leaves. Plants are infected by this virus at propagation using infected plant material. [4] Rose wilt – Rose wilt is a complex of viruses and is referred to as "dieback" in some areas. The disease can be spread by vectors such as aphids. Symptoms are variable and range from stunted growth to curled ...
The most common mode of transmitting the blight is by the introduction of asymptomatic plants, or plants treated with fungicide (which can mask the disease) to unaffected areas. [13] Warm and humid conditions facilitate its spread. [14] The fungus does not need a wound to infect a plant, but it does require high humidity or free water. [15]
Ads
related to: identifying plant diseases and treatment