Parasites, destroying.-A remedy for canker in fruit trees is composed of about 375 grs. of carbolineum, 5 grs. of lead or zinc, 5 grs. of zinc-white, and 5 grs. of copper sulphate. The lead or zinc may be dissolved in HCl or pulverized, and the composition is used as a liquid....
Canker in fruit trees. 来自 CAB Direct 喜欢 0 阅读量: 11 作者: HATVD Scheer 摘要: Research on canker (Nectria galligena) on apple and pear trees is reviewed. Details are included of the symptoms caused, methods of spread and the recommended control measures.ADDITIONAL ABSTRACT:The biology ...
: either of two geometrid moths (Alsophila pometaria and Paleacrita vernata) and especially their larvae which are serious pests of fruit and shade trees Word History First Known Use 1530, in the meaning defined above Time Traveler The first known use of cankerworm was in 1530 See more ...
Share on Facebook cankerworm Thesaurus Encyclopedia Wikipedia Related to cankerworm:palmerworm can·ker·worm (kăng′kər-wûrm′) n. The larva of either of two geometrid moths(Paleacrita vernataorAlsophila pometaria),destructive to fruit and shade trees. ...
Cytospora canker is one of the most serious diseases on fruit trees such as apple, peach, and pear. It can destroy an entire orchard if it is not managed well. Naturally, the fungus cannot penetrate healthy bark or buds, but it can penetrate through injured sites or pruning cuts, or...
All rights reserved. cankered (ˈkæŋkəd) adj (Botany) (esp of fruit trees) affected by canker Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014...
Several soilborne pathogens, such as Fusarium oxysporum (the cause of vascular wilts), Gaeumannomyces graminis (the cause of take-all of wheat), Phytophthora cinnamomi (the cause of root rots of many fruit and forest trees), Pythium spp. (a cause of damping-off), and Heterodera avenae (the...
Phytophthora nemorosa, a new species causing cankers and leaf blight of forest trees in California and Oregon, U.S.A. Bacterial cankers caused by Pseudomonas syringae on stone fruit species with special emphasis on the pathovars syringae And morsprun... ...
Brown rot causes blossom blight, twig blight; twig canker and fruit rot. Brown rot is caused by a fungus that produces...- Eutypa lata, where examination of the base of the dead branch reveals a canker surrounding a pruning wound. Other fungal diseases are black knot, Alternaria...- ...