| 释义 |
gummosis Bot.|gʌˈməʊsɪs|
[mod.L., f. L. gumm-i gum n.2 + -osis.]
The pathological production and exudation of gum by trees; spec. a disease of fruit trees marked by this process. (Cf. gumming vbl. n. 2).
1882Gardeners' Chron. 23 Sept. 396/2 The bacterial slime spreads, together with the sap-current, through the xylem, or woody part of the vascular bundles, and consequently infects the whole plant... The gum-disease (gummosis) of our stone-fruit trees might be explained in like manner. 1887H. M. Ward tr. Sachs's Lect. Physiol. Plants xi. 180 Such gum-reservoirs are distinguished from the cases of proper Gummosis, where large groups of tissue in the older organs are changed into basorin and other kinds of gum. 1911Ann. Bot. XXV. 108 Gummosis is a fairly common phenomenon in the vegetable kingdom. 1951Dict. Gardening (R. Hort. Soc.) II. 936/2 In gummosis the tree is in ill health and even small shoots show the exudation of gum. 1970W. H. Smith Tree Path. xiii. 129 Both canker types are characterized by exudation or gummosis (leakage of fairly viscous sap) during wet weather in the spring. |