英语词汇“crown gall”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

crown gall n. a disease affecting a wide range of plants, caused by the bacterium Agrobacterium tumefaciens and characterized by the development of tumours, esp. at the crown of the root; (also) such a tumour. A. tumefaciens is able to insert genes into its host plant, and has been employed for that purpose in the field of plant biotechnology.

ΘΚΠ

the world > plants > disease or injury > [noun] > type of disease > bacterial diseases

root gall1830

soft rot1886

heart rot1891

crown gall1894

bacteriosis1899

watermark disease1924

1894 Jrnl. Mycol. 7 377 In California this disease is sometimes designated the ‘crown gall’, from the frequency of its appearance at the surface of the earth, and this name is, perhaps, as good as any, although the disease is not confined to this part of the tree.

1950 N.Z. Jrnl. Agric. Mar. 229/3 Crown gall (Bacterium tumefaciens) in Chinese gooseberries is invariably associated with plants that have been propagated by root grafting or from cuttings.

1999 T. Komari & T. Kubo in I. K. Vasil Mol. Improvem. Cereal Crops iv. 44 The formation of a crown gall involves a complex molecular process.

2000 Org. Gardening Sept. 27/3 Crown gall typically infects Vitis vinifera cultivars grown in the eastern United States.

单词	crown gall
释义	> as lemmas crown gall crown gall n. a disease affecting a wide range of plants, caused by the bacterium Agrobacterium tumefaciens and characterized by the development of tumours, esp. at the crown of the root; (also) such a tumour. A. tumefaciens is able to insert genes into its host plant, and has been employed for that purpose in the field of plant biotechnology. ΘΚΠ the world > plants > disease or injury > [noun] > type of disease > bacterial diseases root gall1830 soft rot1886 heart rot1891 crown gall1894 bacteriosis1899 watermark disease1924 1894 Jrnl. Mycol. 7 377 In California this disease is sometimes designated the ‘crown gall’, from the frequency of its appearance at the surface of the earth, and this name is, perhaps, as good as any, although the disease is not confined to this part of the tree. 1950 N.Z. Jrnl. Agric. Mar. 229/3 Crown gall (Bacterium tumefaciens) in Chinese gooseberries is invariably associated with plants that have been propagated by root grafting or from cuttings. 1999 T. Komari & T. Kubo in I. K. Vasil Mol. Improvem. Cereal Crops iv. 44 The formation of a crown gall involves a complex molecular process. 2000 Org. Gardening Sept. 27/3 Crown gall typically infects Vitis vinifera cultivars grown in the eastern United States. extracted from crownn. < as lemmas
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> as lemmas