corn-root aphid — noun : a destructive aphid (Anuraphis maidiradicis) that feeds on the root especially of maize or cotton and is dependent on the cornfield ant for distribution and care * * * /kawrn rooht , root / an aphid, Anuraphis maidiradicis, that lives as a … Useful english dictionary
corn-root aphid — /kawrn rooht , root / an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest. * * * … Universalium
aphid — aphidian /euh fid ee euhn/, adj., n. aphidious, adj. /ay fid, af id/, n. any of numerous tiny soft bodied insects of the family Aphididae of worldwide distribution, that suck the sap from the stems and leaves of various plants, some developing… … Universalium
homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction any of more than 32,000 species of sucking insects, the members of which exhibit considerable… … Universalium
chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by … Universalium
cornfield ant — noun : a dark brown No. American ant (Lasius alienus) that colonizes the corn root aphid on maize and cotton * * * a small, brown ant, Lasius alienus, that lives in cornfields and feeds on honeydew of the corn root aphid … Useful english dictionary
cornfield ant — a small, brown ant, Lasius alienus, that lives in cornfields and feeds on honeydew of the corn root aphid. * * * … Universalium
plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… … Universalium
Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… … Wikipedia
agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… … Universalium
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium