单词 | brown-heart |
释义 | > as lemmasbrown-heart brown-heart n. (a) a species of tree in Suriname; (b) a disease of stored apples and pears characterized by internal brown decay; (c) a disease of turnips and related plants in which a deficiency of boron in the soil causes internal brown decay. ΘΚΠ the world > plants > particular plants > trees and shrubs > non-British trees or shrubs > South American and West Indian trees or shrubs > [noun] > unidentified, unspecified, or various silver-wood1693 grapple-wood1750 brown-heart1796 singing tree1885 the world > plants > disease or injury > [noun] > associated with particular type of plant > crop or food plant > fruit brown-heart1923 the world > plants > disease or injury > [noun] > associated with particular type of plant > crop or food plant > vegetables > turnips or cabbages anbury1742 fingers and toes1799 club1830 club-root1832 clubbing1836 brown-heart1950 1796 J. G. Stedman Narr. Exped. Surinam II. xxviii. 335 The brown-heart is in hardness of the same consistency as the purple-heart, and the green-heart. 1923 F. Kidd & C. West in Dept. Sci. & Ind. Res., Food Invest. Board, Spec. Rep. XII. title Brown-heart—a functional disease of apples and pears. 1928 F. T. Brooks Plant Dis. ii. 16 Brown Heart in apples has been shown..to be caused by asphyxiation of the fleshy part of the fruit when there is a large increase of carbon dioxide and a decrease of oxygen in the surrounding atmosphere. 1950 N.Z. Jrnl. Agric. May 476/3 Although the size and outward appearance of turnips or swedes affected with brown heart are quite good, when opened up they may have internal greyish or brownish markings in the flesh. < as lemmas |
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