Plants

Plants

Any of various photosynthetic, eukaryotic, multicellular organisms of the kingdom Plantae characteristically producing embryos, containing chloroplasts, having cellulose cell walls, and lacking the power of locomotion.

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Plants > Plant pathology

collenchyma

Plants; Plant pathology

Supporting tissue in soft stems and other plant parts, composed of elongated living parenchyma cells with unevenly thickened primary walls, often bordering veins in dicot leaves; ...

crown

Plants; Plant pathology

Upper dome of tree, bearing leaves, flowers, and fruits; junction of root and stem of a plant, usually at the soil line; in grafted woody plants, the rootstock portion of the ...

xylem-limited fastidious bacteria (XLB)

Plants; Plant pathology

Bacterial pathogens of plants found only in the xylem, causing wilt, scorch, and stunting symptoms; vectored by insects that feed on xylem fluid; not sap transmissible; require ...

brown rot of wood

Plants; Plant pathology

Wood decay resulting from selective removal of cellulose and hemicellulose, leaving a brown amorphous residue that usually cracks into cubical blocks and consists largely of ...

subspecies

Plants; Plant pathology

A subpopulation of a species, defined on the basis of more than one character (morphologic for many organisms) that distinguishes the members of the subpopulation from other ...

secondary pollutant

Plants; Plant pathology

Air pollutant that must be chemically produced from other air pollutants, e.g. ozone (O3) that is a product of a photochemical reaction of exhaust products from combustion engines ...

damping-off

Plants; Plant pathology

Death of a seedling before or shortly after emergence due to decomposition of the root and/or lower stem; it is common to distinguish between preemergence damping-off and ...