Search Results - "Johnstone, G R"

Control of Primary Infections of Subterranean Clover Red Leaf Virus, a Luteovirus, in a Broad Bean Crop With the Synthetic Pyrethroid Deltamethrin by Johnstone, GR

“…In a field trial treatment of faba beans with this insecticide reduced the level of SCRLV from 15.3 to 3.5% by its effect on the vector Aulacorthum solani…”
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Legume Luteovirus Taxonomy and Current Research by Ashby, JW, Johnstone, GR

“…This paper, based on a report prepared by a sub-committee of the International Working Group of Legume Virologists, discusses the synonymy of luteoviruses of…”
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Ecology and Control of Non-Persistent Viruses in Australia by Johnstone, GR

“…This review is based on a paper presented to the 4th Natn. Conf. Australasian Plant Path. Soc., held in Perth, May 1980, and deals with the elimination of…”
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First records of bean leafroll luteovirus in Australia by Schwinghamer, M W, Johnstone, G R, Johnston-lord, C E

“…Bean leafroll luteovirus (BLRV) was shown to infect naturally a range of winter-grown legumes in northern New South Wales. Identification was by symptoms,…”
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The Current Understanding on Plant Virus Diseases in Tasmania by Johnstone, GR, Munro, D, Sampson, PJ

“…A review of the current status of knowledge regarding virus diseases on cereals, flowers and ornamentals, fodder and herbage crops, fruit, grapevine, hops,…”
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Beet Pseudo-Yellows Virus in Tasmania -- the First Report of a Whitefly Transmitted Virus in Australasia by Duffus, JE, Johnstone, GR

“…Isolates of BPYV from dandelion (Taraxacum officinale) plants showing interveinal reddening or purpling and growing in scattered locations throughout Hobart,…”
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Sub-Clover Red Leaf and Sub-Clover Stunt Viruses Are Not Transmitted by Lucerne and Pea Aphids by Johnstone, GR, Patten, DS

“…In tests with these and other aphid spp. Tasmanian isolates of SCRLV were transmitted only by Aulacorthum solani and SCSV only by Aphis craccivora. Thus the…”
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Multiple Pine Seedlings by Johnstone, G. R.

“…Abstract only…”
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How to show exact magnification in photomicrography, photoprojection and publications by JOHNSTONE, G R

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The host ranges, classification and identification of eight persistent aphid-transmitted viruses causing diseases in legumes by Johnstone, G. R., Ashby, J. W., Gibbs, A. J., Duffus, J. E., Thottappilly, G., Fletcher, J. D.

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Further Studies on Polyembryony and Germination of Polyembryonic Pine Seeds by Johnstone, G. R.

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Yellows of Sugar Beet Caused by Subterranean Clover Red Leaf Virus by Johnstone, GR, Munro, D

“…Sugar beet plants in a pilot trial to examine production of this crop on a commercial basis showed yellows symptoms 3 months after sowing. Interveinal…”
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Further Studies in the Simplification of Equipment for Subirrigation Experiments in Plant Nutrition by Johnstone, George R.

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Simplified Equipment for Subirrigation Experiments in Plant Nutrition by Johnstone, George R.

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Further Studies on Polyembryony and Germination of Polyembryonic Pine Seeds by Johnstone, G. R.

“…Multiple seedlings and the presence of multiple embryos of equal or nearly equal development in matured seeds have been found in the following five species:…”
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Multiple Pine Seedlings by Johnstone, G. R.

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Effect of Wounding on Respiration and Exchange of Gases by Johnstone, G. R.

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Separating Pages of Publications by Johnstone, George R.

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Book Review - Viruses of Potatoes and Potato Seed Production. Edited by J.A. de Bokx and J.P.H. van der Want. Pudoc Wageningen. 1987 2nd Ed. 259 pp. ISBN 90-220-0859-2 by Johnstone, GR

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Periodicity of Gelidium cartilagineum, a Perennial Red Alga by Johnstone, George R., Feeney, Fenton L.

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