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Now showing items 11-20 of 356
Stability and expression of bacterial genes in replicating geminivirus vectors in plants
(1989-04-11)
Bacterial beta-glucuronidase (gus) and neomycin phosphotransferase (neo) genes were introduced into coat protein replacement vectors based on DNA A of tomato golden mosaic virus (TGMV). Recombinant gus and neo vectors up ...
Geographical approach to international tourism
(1989-03-01)
Dr S.J. Page of the Department of Geography, Christ Church College, Canterbury, reports on the proceedings of a conference organized by the International Geographical Union (IGU) Commission of Tourism and Leisure, 13-20 ...
Vertical dispersal of plant pathogens by splashing. Part II : experimental study of the relationship between raindrop size and the maximum splash height
(1989-03)
This paper describes a simple experimental test of the theoretical relationship between raindrop diameter and maximum splash height proposed by Walklate (1989). This relationship contains two empirical parameters to model ...
The behaviour of tomato golden mosaic virus DNA in cultured cells isolated from systemically infected tobacco leaves
(1989-03)
When callus tissue was cultured from leaf pieces taken from a Nicotiana tabacum cv. Xanthi nc. plant systemically infected with tomato golden mosaic virus (TGMV), TGMV-specific DNA persisted for up to 6 months in culture. ...
Shakespeare's "King Richard II"
(Penguin Books Ltd, 1989)
This study explores the theme behind "Richard II" - the power struggle between monarchy and feudal nobility. The language and characters are thoroughly analyzed and lucidity explained to persuade the reader that many ...
The Taming of the Shrew
(Manchester University Press, 1989)
The positive fixed points of Banach lattices
(1989)
Let Z be a Banach lattice endowed with positive cone C and an order-continuous norm j.j . Let G be a left-amenable semigroup of positive linear endomorphisms of Z . Then the positive fixed points Co of Z under G form a ...