Plant pathology

Plant pathology

The scientific study of plant diseases, their treatment and prevention.

Industry: Plants

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Plant pathology

theory of spontaneous generation

Plants; Plant pathology

The theory, now known to be invalid, that plants, animals and microorganisms arose suddenly from non-living materials under certain environmental conditions.

white rot of wood

Plants; Plant pathology

Type of wood decay resulting from enzymatic action of fungi; it degrades all components of wood, including lignin, leaving the wood light-colored and spongy.

codon

Plants; Plant pathology

A particular sequence of three nucleotides in a nucleic acid that codes for a specific amino acid or termination of a polypeptide chain (see triplet codon. )

alternative host

Plants; Plant pathology

A plant other than the main host that a parasite can colonize; alternative hosts are not required for completion of the developmental cycle of the parasite.

sulfur dioxide (SO2)

Plants; Plant pathology

A primary air pollutant produced in industrial processes and coal burning that causes interveinal necrosis on broadleaf plants and tip necrosis on conifers.

juvenile

Plants; Plant pathology

An immature form that appears similar to but usually smaller than the adult and is not sexually mature (e.g. insects with gradual metamorphosis, nematodes. )

springwood

Plants; Plant pathology

Early part of the yearly xylem growth ring in woody plants consisting typically of cells that are larger than those formed later in the season (summerwood. )