Related topics: plants

Researchers warn of food-web threats from common insecticides

In light of emerging evidence showing how a commonly used class of insecticides can spread through the environment to pollinators, predators and other insects they are not intended to kill, researchers are warning about the ...

Scientists complete chromosome-based draft of the wheat genome

Several Kansas State University researchers were essential in helping scientists assemble a draft of a genetic blueprint of bread wheat, also known as common wheat. The food plant is grown on more than 531 million acres around ...

Selaginella genome adds piece to plant evolutionary puzzle

(PhysOrg.com) -- A Purdue University-led sequencing of the Selaginella moellendorffii (spikemoss) genome - the first for a non-seed vascular plant - is expected to give scientists a better understanding of how plants of all ...

Yams benefit from banana 'paper' cocoon

Wrapping yam seeds in biodegradable paper made from a mixture of unusable parts of banana plants and recycled cardboard boxes sharply increased yam size and yields in field tests conducted in Benin, Africa.

Vine removal technique foils devastating grape disease

Removing not only a diseased grapevine but the two vines on either side of it can reduce the incidence of leafroll disease, a long-standing bane of vineyards around the world, Cornell researchers have found.

Viral proteins join forces to lower plants' defense 'shields'

New research, led by Washington State University scientists, into how viral proteins interact and can be disabled holds promise to help plants defend themselves against viruses—and ultimately prevent crop losses.

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Plant pathology

For the journal, see Plant Pathology (journal).

Plant pathology (also phytopathology) is the scientific study of plant diseases caused by pathogens (infectious diseases) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like organisms, phytoplasmas, protozoa, nematodes and parasitic plants. Not included are insects, mites, vertebrate or other pests that affect plant health by consumption of plant tissues. Plant pathology also involves the study of pathogen identification, disease etiology, disease cycles, economic impact, plant disease epidemiology, plant disease resistance, how plant diseases affect humans and animals, pathosystem genetics, and management of plant diseases.

The "Disease triangle" is a central concept of plant pathology . It is based on the principle that infectious diseases develop, or do not develop, based on three-way interactions between the host, the pathogen, and environmental conditions.

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