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Articles 61 - 90 of 231
Full-Text Articles in Agronomy and Crop Sciences
Evaluation Of Legume Pastures Under Grazing., L. Cransberg
Evaluation Of Legume Pastures Under Grazing., L. Cransberg
Experimental Summaries - Plant Research
Trial 86AL71
Location: Manypeaks.
To evaluate and compare the production characteristics of a serradella, balansa and subterranean clover based pasture, grazed at three stocking regimes.
Murex Medic Trials And Redlegged Earthmite Impacts, D. Gillespie
Murex Medic Trials And Redlegged Earthmite Impacts, D. Gillespie
Experimental Summaries - Plant Research
1. Selection and development of early maturing varieties of murex medic.
Small plot trials were established at six medium and low rainfall sites in autumn 1988. All were hand sown 2Mx3Mplots sown at 50 kg/ha except for the Merredin site which was drill sown at 10 kg/ha.
Locations: Badgebup, Gabalong, Kellerberrin, Merredin, North Quairading, Pingrup.
2. Mid season murex medic evaluation.
Locations: Avondale, Cranbrook, Darkan and New Norcia
This programme aims to identify superior varieties to Zodiac which was released in 1988.
3. Management of murex medic.
Locations: Arthur River
After three years of drought the large grazing trial at …
Summary Of Rhibozium Field Experiments In 1988, J G. Howieson
Summary Of Rhibozium Field Experiments In 1988, J G. Howieson
Experimental Summaries - Plant Research
87M11, 87H12, 88KA77, 88ME97, 88GE32, 88ME98, 88GE33A, 88GE33B, 88KA86, 88ME86.
Title, aim, background, treatments, tables, results, discussion, conclusions.
Experimental Summary 1988., R Loughman, G Thomas, G Cusack, R Hulakjo, R E. Wilson, T N. Khan
Experimental Summary 1988., R Loughman, G Thomas, G Cusack, R Hulakjo, R E. Wilson, T N. Khan
Experimental Summaries - Plant Research
- Disease complexes in wheat field screening trials.
- Glasshouse screening for wheat leaf disease resistance
- Effect of phosphate, stand density and Rovral on Pleiochaeta setosa in lupins.
- Genotype and Rovral for Pleiochaeta setosa in lupins.
- Control of Septoria in early sown wheat.
- Controlling Pyrenophora graminea leaf stripe in barley.
- Effect of environment on leaf stripe in barley
- Unusual seed quality problems.
Lupin Variety Tolerance To Herbicides, D Bowran, R Watson
Lupin Variety Tolerance To Herbicides, D Bowran, R Watson
Experimental Summaries - Plant Research
Trial 88EC31
This site received a basal treatment of 1.5 L of simazine/ha prior to seeding. Due to a heavy stubble load lupin seed was dropped onto the surface and lightly incorporated.
High rates of Simazine were better tolerated by Gungurru 75A/260 and CE2/435. The highest rate of Brodal reduced yields in all varieties except Gungurru.
Trial 88EB27
This site was severely infested with aphids and bean mosaic virus such that the varieties Illyarrie and Danja had up to 60% plant death by anthesis. Other varieties were affected but to a lesser extent.
Dryland Pasture Legume Programme, C. K. Revell, G. Croker, J. Simmons, L. Heinrich
Dryland Pasture Legume Programme, C. K. Revell, G. Croker, J. Simmons, L. Heinrich
Experimental Summaries - Plant Research
1. Medic variety evaluation
a. Row Evaluation - 88ME122 - Merredin.
This method of assessment was used to test a range of new medic material originating from the South Australian Department of Agriculture.
b. Evaluation of burr medics on Morrel soils. - 88ME84 - Nokaning.
c. Evaluation of burr medics on Whitegum soils. 88ME85 - North Kellerberrin.
d. Evaluation of Santiago in low rainfall areas - 88ME86 - Mukinbudin.
e. Selection of early maturing M. murex. 88SC30 - Merredin.
f. Medic species evaluation - large plots. 88NO88 - Tammin.
g. Medic species evaluation - large plots. 85M43 - Merredin Research …
Brome Grass Population Dynamics, A H. Cham
Brome Grass Population Dynamics, A H. Cham
Experimental Summaries - Plant Research
To identify the level of brome grass under various crop rotation systems. To design the best control system. To understand some of the effects of changing rotation systems. 86C1
Tolerance Of New Cereal Varieties To Current Herbicides., D Bowran
Tolerance Of New Cereal Varieties To Current Herbicides., D Bowran
Experimental Summaries - Plant Research
Trial 88EB26
While this site had a low population of weeds no yield increases were apparent. Few variety differeces were apparent at this site, though Hoegrass + Glean reduced yield of Crabook significantly.
Trial 88EC27
Few crop effects were experienced at this site. The major effect was due to variable fertility in replicates 3 and 4 and this resulted in the somewhat uyp and down nature for the Glean, Logran and hoegrass results.
Trial 88SC32
This site had a major problem with soil acidity and only triticale and oats grew satisfactorily. Barley was strongly influenced by the acidity and many …
Lucerne Herbicides (Tolerance), R Hurst
Lucerne Herbicides (Tolerance), R Hurst
Experimental Summaries - Plant Research
To determine the phytotoxicity of various herbicides on established Lucerne pasture and their efficacy on the various weed species present.
Herbicide Residues, T Piper
Herbicide Residues, T Piper
Experimental Summaries - Plant Research
Trial Nos. 88SG28, 88SG29.
Pea growth following sulphonyl urea herbicide use,
Trial Nos. 88SG30, 88SG31, 88LG68, 88LG69, 88LG70
Medic regeneration following the use of the herbicide Glean.
Trial No. 88PE74
Herbicide resistant weeds, Cranes ryegrass response to Hoegrass.
Trial No. 88MO51
Timing of applications of Sertin to Hoegrass resistant ryegrass Timing of applications of Sertin to Hoegrass resistant ryegrass.
Crop Establishment Methods For Lupin Disease Management, M Sweetingham, A Pelham, M Judges
Crop Establishment Methods For Lupin Disease Management, M Sweetingham, A Pelham, M Judges
Experimental Summaries - Plant Research
Pleiochaeta root rot, 88WH33, 88M38, 88WH34, 88M39, 87WH45, 87M52.
Brown spot and Pleiochaeta root rot, 88M40, 88C4, 88ME59, 88NO73, 88ME60, 88SC33.
Rhizoctonia root and hypocotyl rots, 88NO74, 88GE53, 88GE31, 88E38.
Fungicide drench trials, 88NO92.
Demographic Responses To The Chemical Control Of Doublegee, Dpird
Demographic Responses To The Chemical Control Of Doublegee, Dpird
Experimental Summaries - Plant Research
Trial No. 88WH58
Doublegee demography in cereal crops.
Objective: To measure reproductive output in relation to times of emergence and herbicide application.
Trial No. 88WH10
Growth of doublegee under summer irrigation.
Objectives: A major impediment to achieving biological control of any annual weed in the wheat belt is that the bicontrol agent must have a means of aestivation. Since the only insect to have been introduced to Australia for a the control of doublegee does not aestivate, it was thought that populations could be able to oversummer in irrigated doublegee standards. The aim of this study was to assess the …
Rhizoctonia Bare Patch Of Cereals And Lupins, G C. Macnish, M W. Sweetingham
Rhizoctonia Bare Patch Of Cereals And Lupins, G C. Macnish, M W. Sweetingham
Experimental Summaries - Plant Research
To determine the stimuli for the formation of rhizoctonia patches in cereals and lupins.
Radish Control In Lupins - Comparison Of Options, D J. Gilbey
Radish Control In Lupins - Comparison Of Options, D J. Gilbey
Experimental Summaries - Plant Research
To study the effect of several herbicide options on wild radish and lupins.
87GE82, 87TS34, 87MO54, 87NO87.
Radish Control In Lupins - "Topping Up" With Simazine, D. J. Gilbey
Radish Control In Lupins - "Topping Up" With Simazine, D. J. Gilbey
Experimental Summaries - Plant Research
To study the effect of post-emergence applied Simazine on wild radish and lupins.
87GE83, 87TS36, 87MO53, 87NO90
Isoproturon Evaluation - Timing Of Application On Efficacy And Crop Damage., R. Madin, J. Buckley
Isoproturon Evaluation - Timing Of Application On Efficacy And Crop Damage., R. Madin, J. Buckley
Experimental Summaries - Plant Research
The trial was effectively a tolerance trial. Best overall weed control was achieved with Glean and the higher rates of Isoproturon which in turn gave best control as a pre-plant, incorporated treatment.
87A23, 87WH54
Post Emergence Weed Control In Lupins., R. Madin, J. Buckley
Post Emergence Weed Control In Lupins., R. Madin, J. Buckley
Experimental Summaries - Plant Research
As a general assessment in can be said that Tigrex is a safe and efficient herbicide for control of radish in wheat. Brodal alone was generally unsatisfactory for radish control. While Diuron + Brodal was safe and efficient, Ally and Brodal should not be used together. Diuron + MCPA gave poorer control than one would normally expect.
87WH67
Control Of Peas And Lupins In Wheat, J. R. Peirce, B. J. Rayner
Control Of Peas And Lupins In Wheat, J. R. Peirce, B. J. Rayner
Experimental Summaries - Plant Research
Trial 87A29
Lupins were easier to kill than peas.
Glean applied pre-sowing gave very poor control of both peas and lupins.
The treatment using higher rates of 2,4-D amine in diuron mix also caused lower yields.
The Tordon 242 treatment appeared to cause some yield depression.
Control Of Prickly Saltwort (Salsola Kali) In Pasture., G. Fleay, R. Ramm
Control Of Prickly Saltwort (Salsola Kali) In Pasture., G. Fleay, R. Ramm
Experimental Summaries - Plant Research
Trial 87LG65
Glean post-em @ 10 and 15 g/ha gave good control.
A later trial gave good control with Garlon 4800 or 2,4-D amine when sheep grazed the weed after treatment. Considerable pasture damage would be done with all chemicals during the growing season.
Rapeseed Herbicide Screening Trial., J. H. Moore, G. R. Dean
Rapeseed Herbicide Screening Trial., J. H. Moore, G. R. Dean
Experimental Summaries - Plant Research
Mount Barker Research Station
To determine the efficacy and phytotoxicity of various herbicides for weed control in oilseed rape.
Control Of Cereal Crop Diseases By Manipulation Of Pasture Composition., W Macleod
Control Of Cereal Crop Diseases By Manipulation Of Pasture Composition., W Macleod
Experimental Summaries - Plant Research
Rotation for wheat comparing pure clover ley with a pasture ley, 79E15.
Pasture renovation techniques and crop production in a 1:2 rotation, 81E35.
Pasture manipulation – effects on take all, 85E32.
Timing of spray topping and herbicides, 86MT64, 86E55.
Effect of herbicide application on take all inoculum, 87MD12.
The effects of pre and post sowing herbicides on wheat root diseases.
Herbicide disease interaction in recommended varieties, 87E29, 87MT51.
Disease And Insect Resistance; Murex Medic Evaluation; Legume Species Phasic Development, D J. Gillespie
Disease And Insect Resistance; Murex Medic Evaluation; Legume Species Phasic Development, D J. Gillespie
Experimental Summaries - Plant Research
A summary of the performance of the control varieties (four replications) is shown in Table 3. A summary of the root rot ratings for some varieties showing a range of root rot susceptibility to all four pathogens is given in Table 4. Plant weights were recorded for all varieties tested against the three pathogens in the Western Australian experiments. Results for 12 of the 60 varieties are shown in Table 5. Murex medic evaluation. 86MT56 (Mount Barker), Gravelly loam pH 5.2 (water). 86NA46 (Darken) Loamy sand pH 5.4 86M037 (Regans Ford) Fine red sand pH 5.8 All sites were established …
Manipulation Of The Soil Seed Reserves Of Bromus Diandrus And B. Rigidus By Enhancing The Breakdown In Seed Dormancy., A H. Cheam
Experimental Summaries - Plant Research
Location: South Perth Field Plots
Previous studies on the seed bank of Bromus diandrus indicated that shallow burial of newly shed seeds enhanced the breakdown in seed dormancy over the summer period. To bury the Bromus seeds one practical approach is to introduce sheep into the paddock.
This study is a repeat of the previous work but included B. rigidus, another species of Bromus, that is commonly ground growing in association with B. diandrus.
Location: South Perth Field Plots.
Reproductive Biology Of Gorteria Personata, J. Dodd
Reproductive Biology Of Gorteria Personata, J. Dodd
Experimental Summaries - Plant Research
Trial 86MO3 and 86NO8
Loss of dormancy
Location: Moora and Meckering.
Gorteria shows germination characteristics typical of winter annuals, which lose primary dormancy during summer, germinate in autumn when sufficient moisture is available and exhibit cold-induced dormancy in winter.
Matricaria/Globe Chamomile (Pentzia Globifera) Density And Seed Production, J. Dodd
Matricaria/Globe Chamomile (Pentzia Globifera) Density And Seed Production, J. Dodd
Experimental Summaries - Plant Research
Location: Muckinbudin.
Preliminary measurement of plant density and seed production were made in November 1987 at two infested properties near Muckinbudin.
Vermin fence herbicide trials (Established by J. R. Peirce 85ME63, 65, 68, 69, 70)
During assessment of the vermin fence herbicide trials in November 1987, certain plants in the sprayed plots were noted as being undamaged, even by the highest rates of herbicides used.
The Ecology Of Skeleton Weed In Western Australia., J. Dodd
The Ecology Of Skeleton Weed In Western Australia., J. Dodd
Experimental Summaries - Plant Research
Response of established skeleton weed to tillage. 87PE21
To demonstrate the effect of ploughing vegetative plants of skeleton weed during winter.
Seed production in variegated thistle 86AL78.
Effects of capitulum age and mechanical control on seed production.
Peas - Mcpa Crop Tolerance Time Of Application, D. J. Gilbey
Peas - Mcpa Crop Tolerance Time Of Application, D. J. Gilbey
Experimental Summaries - Plant Research
To study the effect of time of spraying MCPA on peas.
87A36
Peas - Mcpa Amine Vs Na Salt, D. J. Gilbey
Peas - Mcpa Amine Vs Na Salt, D. J. Gilbey
Experimental Summaries - Plant Research
To study the effect of MCPA amine and Na salt on peas and weeds.
87A39
Radish Control In Lupins - Probe, D. J. Gilbey
Radish Control In Lupins - Probe, D. J. Gilbey
Experimental Summaries - Plant Research
To study the effect of Probe on lupins and wild radish.
87MO55.
Radish Control In Lupins - Brodal., D J. Gilbey
Radish Control In Lupins - Brodal., D J. Gilbey
Experimental Summaries - Plant Research
To study the effect of Brodal on lupins and radish.
87GE84, 87TS35, 87MO52, 87NO91, 86MO33.