Agriculture Reference
In-Depth Information
Randle, W.M., Kopsell, D.E., Kopsell, D.A. and Snyder, R.L. (1999) Total sulfur and
sulfate accumulation in onion is affected by sulfur fertility.
Journal of Plant Nutrition
22, 45-51.
Raven, J.A., Andrews, M. and Quigg, A. (2005) The evolution of oligotrophy: implications
for the breeding of crop plants for low input agricultural systems.
Annals of Applied
Biology
146, 261-280.
Read, D.J. and Perez-Moreno, J. (2003) Mycorrhizas and nutrient cycling in ecosystems
- a journey towards relevance?
New Phytologist
157, 475-492.
Rey, C., Stahl, J., Antonin, P. and Neury, G. (1974) Stades repères de l'oignon de semis.
Revue Suisse de Viticulture, Arboriculture et Horticulture
6, 101-104.
Richter, E. and Hommes, M. (2003) Population dynamics and supervised control of the
leek moth,
Acrolepiopsis assectella
, in Germany.
Bulletin OILB/SROP
26, 17-23.
Richter, E., Hommes, M. and Krauthausen, J.H. (1999) Investigations on the supervised
control of
Thrips tabaci
in leek and onion crops.
Bulletin OILB/SROP
22, 61-72.
Riekels, J.W., Tiessen, H. and Nonnecke, I.L. (1976)
Onions
. Publication 486, Ontario
Department of Agriculture and Food, Canada.
Ritcey, G., McEwen, F.L., Braun, H.E. and Frank, R. (1991) Persistence and biological
activity of residues of granular insecticides in organic soil and onions with furrow
treatment for control of the onion maggot (Diptera: Anthomyiidae).
Journal of
Economic Entomology
84, 1339-1343.
Ritsema, T., Joling, J. and Smeekens, S. (2003) Patterns of fructan synthesized by onion
fructan: fructan 6G-fructosyltransferase expressed in tobacco BY2 cells - is
fructan:fructan 1-fructosyltransferase needed in onion?
New Phytologist
160, 61-67.
Ritsema, T., Verhaar, A., Vijn, I. and Smeekens, S. (2004) Fructosyltransferase mutants
specify a function for the
-fructosidase motif of the sucrose-binding box in
specifying the fructan type synthesized.
Plant Molecular Biology
54, 853-863.
Roberts, H.A. (1973) Weeds and the onion crop.
Journal of the Royal Horticultural Society
98, 230-235.
Robinson, J.E., Browne, K.M. and Burton, W.G. (1975) Storage characteristics of some
vegetables and soft fruits.
Annals of Applied Biology
81, 399-408.
Rogers, I.S. (1978) The influence of plant spacing on the frequency distribution of bulb
weight and marketable yield of onions.
Journal of Horticultural Science
53, 153-161.
Roumagnac, P., Gagnevin, L. and Pruvost, O. (2000) Detection of
Xanthomonas
sp., the
causal agent of onion bacterial blight, in onion seeds using a newly developed semi-
selective isolation medium.
European Journal of Plant Pathology
106, 867-877.
Roumagnac, P., Gagnevin, L., Gardan, L., Sutra, L., Manceau, C., Dickstein, E.R., Jones,
J.B., Rott, P. and Pruvost, O. (2004a) Polyphasic characterization of xanthomonads
isolated from onion, garlic, and Welsh onion (
Allium
spp.) and their relatedness to
different
Xanthomonas
species.
International Journal of Systematic and Evolutionary
Microbiology
54, 15-24.
Roumagnac, P., Pruvost, O., Chiroleu, F. and Hughes, G. (2004b) Spatial and temporal
analyses of bacterial blight of onion caused by
Xanthomonas axonopodis
pv.
allii.
Phytopathology
94, 138-146.
Rowse, H.R. (1996) Drum priming - a non-osmotic method of priming seeds.
Seed
Science and Technology
24, 281-294.
Rowse, H.R. and Finch-Savage, W.E. (2003) Hydrothermal threshold models can
describe the germination response of carrot (
Daucus carota
) and onion (
Allium cepa
)
seed populations across both sub- and supra-optimal temperatures.
New
Phytologist
158, 101-108.