Plant Sciences Commons^™

Wheat Responses To Levels, Sources And Times Of Application Of Nitrogen., J. W. Bowden, S. J. Burgess, R. J. Lunt, Ian Fillery

Experimental Summaries - Plant Research

Trial 90M055

Associated work: 90NO112, 105,104.111, 90MO53, 54,56

Location: Dandaragan

This project characterizes the dynamics of nitrogen supply to a wheat crop at each of the sites on which various methods of making fertilizer recommendation were tested. It supposedly provides the "optimum" nitrogen fertilizer regime as well as detailed information on nitrogen supply and demand so that results can be made transferable to other situations.

Trial 90MO56

Related trials: 90NO104, 105, 111, 112; 90MO53, 54,55

Tactical nitrogen application for wheat

Location: Danaragan

This project compares tactical and strategic methods for determining nitrogen requirements of wheat. The tactical methods depend on …

Direct Drilling On Sandplain Soils., Carmel Schmidt

Experimental Summaries - Plant Research

Trial 90EC29

Effect of depth and degree of soil disturbance on root and shoot growth of wheat on wind erosion prone sandy soil.

Location: East Chapman Research Station.

The long-term fertility and stability of the yellow, grey and white sands which make up 60% of the northern wheatbelt soils can only be safeguarded through strict adherence to conservation cropping practices: notably, direct drilling of both cereal and lupin crops. Work by R. Jarvis has shown a 10 - 15% yield advantage due to cultivation of sandplain soils, and data suggest that it is cultivation depth (degree of soil loosening) rather …

Time Of Sowing X Variety X Seeding Rate For Lupins On The South Coast., M. Seymour

Experimental Summaries - Plant Research

Trial 90E9

Lupin time of sowing x variety x seed rate.

Location: Esperance.

To evaluate the response of lupin varieties to a range of sowing dates and plant densities when grown in high rainfall/long growing season environments.

Agronomic Practices To Improve Or Maintain The Protein Content Of High Yielding, Long Season Wheats., Wayne Smith

Experimental Summaries - Plant Research

Trial 90SG8, 90SG9, 90ES9, 90ES11, 90MT8, 90KO2

Wheat variety * Time of sowing

Location: Salmon Gums Research Station, Mt. Ridley, East Gibson, Mt Barker Research Station, Kojaneerup Research Station

The aim is to define the optimum heading/flowering date on the South Coast. This trial also provides information on the performance of the varieties and new cross-breds at various sowing times.

Trial 90E10, 90ES12, 90ES13, 90ES14, 90ES15, 90ES16, 90SG10, 90SG11, 90MT10, 90KO3, 90KO4

Wheat protein on the South Coast

Location: Esperance Downs Research Station, Gibson, Neridup, Mt Ridley, Salmon Gums Research Station, Mt Barker Research Station, Kojaneerup Research Station

The Australian …

Pod Setting Of Lupins On The South Coast., M. Seymour

Experimental Summaries - Plant Research

Trial 90ES7

Lupin pod setting study.

To investigate the effect of time of sowing on the flowering and pod set of lupins, when grown in high rainfall/long growing season environments.

Herbicide Resistance In Weeds., G. S. Gill

Experimental Summaries - Plant Research

Trial 90WH76

Alternative herbicides for diclofop-methyl resistant annual ryegrass in wheat.

Location: Wongan Hills Research Station.

To investigate the performance of alternative herbicides for the control of diclofop-methyl resistant annual ryegrass in wheat.

Trial 90WH80

Alternative herbicides for diclofop-methyl resistant annual ryegrass in lupins.

Location: Wongan Hills Research Station.

To investigate the performance of alternative herbicides for the control of diclofop-methyl resistant annual ryegrass in lupins

Trial 90A15

Alternative herbicides for Diclofop-methyl resistant wild oats in wheat.

Location: Avondale Research Station.

To investigate the performance of alternative herbicides for the control of diclofop-methyl resistant wild oats in wheat.

Trial 90A17 …

Weed Control In Crops And Pasture., J. Buckley

Experimental Summaries - Plant Research

Trial 90WH74

Crop establishment trial

Location: Wongan Hills Research Station.

To assess the effect of timing of roundup and sprayseed application and cultivation on crop growth.

Trial 90AB19

Ryegrass control in wheat using slow release trifluralin.

Location: Katanning.

To compare 2 experimental formulations of controlled release trifluralin at 4 rates and 2 timings with some commonly used herbicides for the control of ryegrass in wheat.

Trial 90ME84

Early application of 2, 4-D to wheat.

Location: Corrigin.

To assess the use of 2,4-D.amine at early times of application for the control of broadleaf weeds in wheat.

Trial 90WH92

Early application of …

Ecology And Control Of Brome Grass In Cropping Systems., Christine Zaicou

Experimental Summaries - Plant Research

1. Assessment of the timing and increasing rates of ethiozin on brome grass control and wheat yield.

Trial 90EC16, 90GE115,

Control of brome grass in wheat using Ethiozin applied immediately before the following seeding and post-emergence.

Location: East Chapman Research Station, Allanooka

Incomplete factorial with three replications.

Unfortunately, further research and development of ethiozin has ceased world wide. It has suggested a result of limited activity on target weeds other than brome grass and economics.

2. Evaluation of pine kraft lignin with metribuzin and their incorporation, on wheat yield and brome grass control.

Trial 90EC18

Evaluating pine kraft lignin (PKL) …

Saltmarsh Cordgrass, Smooth Cordgrass, Spartina Alterniflora Loisel, Gene M. Silberhorn

Reports

The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen identification.

Does Chemical Leaf Burn Of Double Crop Soybeans Reduce Yield?, Larry J. Grabau, Todd W. Pfeiffer, S. Nevins

Agronomy Notes

Most farmers who have applied acifluorfen (sold as Blazer or Tackle) for postemergence control of broadleaf weeds in soybean fields are aware that leaf crinkling, bronzing, and necrosis can result. Despite this, studies in Kentucky, Illinois, Arkansas, and South Carolina have shown that full season soybeans have plenty of time to recover from leaf burn caused by this herbicide, and no yield losses have been found. However, double crop soybeans are usually planted much later than the full season crop. This delay in planting may reduce the time for plants to complete vegetative growth before beginning the seed production process. …

Nebline, January 1990

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Ag Update: Agricultural News & Events

Home Extension News

On-the-Grow: Horticulture News & Recommendations

The Cloverline: 4-H News and Events

Extension Calendar

and other extension news

Virus Diseases Of Subterranean Clover., R. A. Jones

Experimental Summaries - Plant Research

a) Effect of alfalfa mosaic virus infection on productivity of spaced plants.

Location: South Perth.

Spaced plant trials were done with AMV-EW isolate. Young plants of sub. clover cv. Daliak growing in jiffy pots were inoculated with AMV- containing sap or mock-inoculated with healthy sap and then transplanted onto the South Perth plots in paired rows separated by oat buffer rows.

b) Effect of Bean Yellow Mosaic Virus on productivity of grazed swards. (90MT14).

Location: Mt Barker.

A trial was done to examine the effect of BYMV infection on productivity of grazed subterranean clover swards.

c) Persistence of CMV from …

Grain Legume Adaptation To Soil Type, R. J. French

Experimental Summaries - Plant Research

Trial 90ME8, 9 and 10

Location: Bencubbin.

90ME8. Deep loamy sand. pH(CaC12) = 4.9 at surface and 3.7 at 50 cm.
90ME9. Sand over clay at 25-30 cm. pH(CaC12) = 5.7 at surface and 8.3 at 50 cm. 90ME10. Sandy loam over clay at 15 cm. pH(CaC12) = 5.5 at surface and 8.4 at 50 cm

Trial 90ME11 and 13

Location: Totadgin.

90ME11. Deep loamy sand. pH (CaC12) = 4.5 at surface and 3.9 at 50 cm. 90ME13. Loamy sand over sandy clay at 10 cm. pH (CaC12) = not yet available due to instrument difficulties.

Trial 90ME14, 15 and …

Murex Medic Field Evaluation., D. J. Gillespie, D. R. Mcclements, D. S. Francis

Experimental Summaries - Plant Research

Trials: 90GE113, 90MO62, 90WH87, 90ME72, 90NO115, 90A24, 90AB17, 90AL35

Locations: Geraldton, New Norcia, Wongan Hills, Merredin, Southern Brook, Avondale, Katanning, Tenderden.

The selection SEP29.1 was outstanding for both dry matter production and seed yield over a wide range of sites varying in both rainfall and soil type. On the basis of these trials, six lines have been selected for further evaluation in 1991.

They are: SEP29.1 SEP26.2.7 GRC69 GRC87.1 87F01.28 87FB2.36

Trials 90A25 and 90NO116

Redlegged earthmite field experiments.

Very low levels of redlegged earthmite and only minor damage to test varieties was recorded in this trial. Damage ratings were …

Role Of Assimilate Partition And Biomass Productivity In Wheat Yield Improvement., K. H.M. Siddique

Experimental Summaries - Plant Research

Trial 90WH75

A. Ear:stem ratios in parental genotypes.

Earlier studies have established the importance of ear:stem ratio in determining the harvest index and potential yield of wheat cultivars (Siddique et al. 1989; Siddique and Whan, 1990). Much of the earlier work was concentrated mainly on recommended high yielding cultivars and some old cultivars. It is important to evaluate a wide range of parental materials for ear:stem ratios, before embarking on a breeding programme on ear:stem ratios. The main aim of this study was to assess ear:stem ratios in a wide range of parental genotypes.

B. Evaluation of breeding populations for …

Potassium Nutrition Of Lupins On The Sandplain Soils Of Western Australia., N. K. Edwards

Experimental Summaries - Plant Research

Aim: Develop recommendations for optimal potassium fertilizer application strategies for lupin production. Further develop soil and tissue test calibrations for lupin grain production.

Trial 89EC32

Potassium nutrition of lupins on sandplain soils.

Location: East Chapman Research Station.

Fertilizer: At sowing: 50 kg/ha DAP, 50 kg/ha Urea topdressed. 100 kg/ha Urea topdressed 10/7.

Trial 89GE90

Potassium nutrition of lupins on sandplain soils.

Location: Allanooka

Fertilizer: At sowing: 120 kg/ha Agras No. 1. 100 kg/ha Urea topdressed 10/7.

Trial 89MO51

Potassium nutrition of lupins on sandplain soils.

Location: Lancelin.

Fertilizer: At sowing: 110 kg/ha Agras No. 1. 60 kg/ha Urea topdressed 10/7. …

"Flowering Windows" For Crops, W. K. Anderson

Experimental Summaries - Plant Research

Trials:

Wheat - 90BA 38-42, 90N 37-41,

Barley - 90BA 48-52, 90N 50-54, 90C 19-23, 90C 29-33, 90WH 46-49, 90EB 22-26, 90M 31-35. 90WH 56-59, 90E 41-45, 90MT 50-54, 90M 41-45, 90SG 49-53.

Oats - 90BA 43-47, 90N 45-49, 90C 24-28, 90EB 17-21, 90WH 51-54, 90E 36-40, 90MT 45-49, 90M 36-40, 90SG 44-48.

Lupins - 90BA 53-57, 90N 55-59, 90EB 8-12, 90WH 61-64, 90MT 55-59, 90M 46-50.

Location: Chapman Research Station, Badgingarra Research Station, Wongan Hills Research Station, Merredin Research Station, East Beverley Research Station, Newdegate Research Station, Mount Barker Research Station and Salmon Gums Research Station.

To determine the …

National Subterranean Clover Improvement Programme., P. G. H. Nichols

Experimental Summaries - Plant Research

The National Subterranean Clover Improvement Programme (NSCIP) aims to develop, by breeding and selection, better adapted and more productive low—oestrogen cultivars of subterranean clover for a range of environments in southern Australia. The programme is a collaborative one with the University of Western Australia and consists of two phases: (i) early generation selection, which involves selecting varieties satisfying primary selection criteria; and (ii) field evaluation of advanced lines, which is conducted by the Departments of Agriculture in each State and co—ordinated by the Plant Breeder.

The first phase is conducted at the University Field Station (UFS) and is continued until …

The Role Of Perennial Pasture Species For Increasing Sheep Production In The Medium Rainfall Zone Of W.A., C. M. Saunders

Experimental Summaries - Plant Research

Trials: 90AL33, 90AL34, 90ES56, 90ES57 and 90KA100

91KA117, 91KA116,

Locations: Green Range, Esperance, Pingrup, Katanning, Broomhill.

To examine the productivity and persistence of perennial grasses in the 350-800 mm rainfall zone of W.A.

Wheat Agronomy And Quality, W. K. Anderson

Experimental Summaries - Plant Research

Australian Hard set - 90M51&52, 90ME60&61, 90TS16&17, 90M043&44, 90M045&46.

Noodle Set -

90M53&54, 90N60&61, 90EB32&33, 90WH65&66, 90N095&96, 90N097&98, 90ME62&63

Australian Soft Set - 90KA75&76, 90AL28&29, 90NA62&63, 90NK64&65, 90NA66&67

Noodle Cultivars - 90M28, 90WH44,90N32

NPKS - 90KA6, 90EB7

To examine the effect on grain quality of a range of agronomic practices for various classes of wheat.

Stubble Management., R. J. Jarvis

Experimental Summaries - Plant Research

Trial 79M7

Yellow loamy sand - Mallee scub

Continuous wheat since 1978. Treatments commenced 1979.

Location: Merredin.

The old cultivation treatments carried out since 1979 were removed in 1987. The trial will continue indefinitely with only burnt and unburnt stubble treatments.

Trial 82M34

Salmon Gum/Gimlet clay loam

Location: Merredin.

Continuous wheat since 1981. Treatments commenced 1982.

Trial 79WH6

Grey and yellow loamy sand with gravel.

Location: Wongan Hills.

Grazed blocks grazed to remove approx. half the stubble.

Systems For Very Early Sowing Of Wheat In The Central Wheatbelt Of Western Autralian, A. S. Heinrich

Experimental Summaries - Plant Research

To develop the management system for very early sown wheat crops in the central wheat belt of Western Australia.

Trial 90EB34 and 90EB35

Location: East Beverley Annex.

90EB34 3 times of sowing at fortnightly intervals after the 9th April, with 8 varieties of wheat.

90EB35, 4 times of sowing at fortnightly intervals after the 23rd April with 9 varieties of wheat.

Trial 90No77 - 90NO80

Location: York

Each time of sowing has a separate trial number, 90NO77 TOS 1, 90NO78 TOS 2, 90NO79 TOS 3 and 90NO80 TOS 4.

Trial 90NO81

Location: Goomalling

TREATMENTS: - 3 times of sowing 25/4/90, …

Seeding Rate For Lupins For The South Coast., M. Seymour

Experimental Summaries - Plant Research

Trial 90ES1, 90ES2, 90ES3, 90ES4, 90E5

Lupin seed rate x variety.

Location: Kendells Rd Scaddan, Condingup, Mt Ridley.

To evaluate the response of lupin to a range of plant densities when grown in high rainfall/long growing season environments.

Trial 90SG5, 90SG6

Lupin seed rate x variety.

Location: Salmon Gums Research Station.

To evaluate the response of lupin to a range of plant densities.

Trial 90KO1

Lupin seed rate x variety

Location: South Stirlings.

To evaluate the response of lupin to a range of plant densities when grown in high/long growing season environments.

Pursuit For Weed Control In Peas., S. Curtin

Experimental Summaries - Plant Research

All trials were located in Merredin.

Trial 90ME86

This trial was one of the best demonstrations of pursuits effectiveness against mustard in particular. Other weeds were rough poppy and ryegrass and a small amount of cereal and doublegee.

250 ml applied immediate before seeding (IBS) was by far the best treatment with 100% control of mustard and poppy and good ryegrass control. This is in contract to 375 ml most emergent which had good control of mustard (77%) and suppression of ryegrass. There was no yield advantage from the post emergent treatment but there was a 55% yield increase from …

Deep Banding Phosphate For Lupins. 1990 Results., R. J. Jarvis

Experimental Summaries - Plant Research

Trials 90SC1, 90SC21, 90SC12, 88SC28, 90WH73

There is no doubt that deep banding is the only effective way to provide an efficient supply of phosphorus for lupins in the eastern wheatbelt.

Location: Carrabin, Wongan Hills.

Potassium Nutrition Of Pastures On The Sandplain Soils Of Western Australia., N. K. Edwards

Experimental Summaries - Plant Research

Aims: Determine the factors affecting the fate of native and applied potassium on sandplain soils.
Define current and residual response curve parameters for potassium applications.
Develop recommendations for the economic management of soil potassium levels.

Trial 88BA46

Maintenance application rates of potassium on sandplain soils.

Location: Badgingarra Research Station.

Fertilizer: Pastures and L. cosentinii - 200 kg/ha Super topdressed, wheat - 100 kg/ha Super topdressed, 120 kg/ha Agras No 1 drilled, lupins - 240 kg/ha Super Mn drilled. Urea topdressed on wheat on 26 June, 100 kg/ha.

Trial 88TS69

Maintenance application rates of potassium on sandplain soils

Location: North Eneabba. …

Time Of Sowing And Variety Of Lupins On The South Coast., M. Seymour

Experimental Summaries - Plant Research

Trial 90ES5, 90ES6, 90E7

Lupin time of sowing x variety.

Location: Gibson

To evaluate the response of lupin varieties to a range of sowing dates when grown in high rainfall/long growing season environments.

Trial 90ES8

Lupin time of sowing x variety.

Location: Scaddan

To evaluate the response of lupin varieties to a range of sowing dates.

Rates Of Phosphorus And Potassium For Lupins On The South Coast,, M. Seymour

Experimental Summaries - Plant Research

Trial 90ES23

Phosphorus and potassium response of lupins in high rainfall areas.

Location: Neridup

To evaluate the response of lupins to Phosphorus and Potassium response of lupins in high rainfall areas.

Getting The Best Out Of Our Wheats., Brenda Shackley, L. Lambert

Experimental Summaries - Plant Research

Trials: 90KA82 (TOS1), 90KA83 (TOS 2), 90KA84 (TOS 3)
90LG4 (TOS 1), 90LG45 (TOS 2), 90LG46 (TOS 3)
90LG47 (TOS 1), 90LG48 (TOS 2), 90LG49 (TOS 3)
90N42 (TOS 1), 90N43 (TOS 2), 90N44 (TOS 3)

Variety * time of sowing (TOS)

Locations: Wagin, Tarin Rock, Newdegate Research Station and Lake Varley.

Determine the optimum sowing date for maximum yield for a range of released and unreleased wheat cultivars.

Trials: 90KA79, 90LG50, 90LG51, 90N62

Nitrogen application.

Locations: Wagin, Tarin Rock, Newdegate Station and Lake Varley.

Determine the response of released and unreleased wheat cultivars to the application of nitrogen.

Trials: …

Ecology And Control Of Grass Weeds In Cereal Pasture Rotations In The Great Southern Region., A. Wallace

Experimental Summaries - Plant Research

Silvergrass control.

Trial 90AB11

Location: Great Southern Agricultural Research Institute - Katanning.

The site was an established silvergrass dominant pasture on a light sandy soil.

Trial 90KA95

Location: Great Southern Agricultural Research Institute - Katanning

The site was an established silvergrass dominant pasture on a medium clay soil.

Trial 90KA96

Location: Great Southern Agricultural Research Institute - Katanning

The site was an established silvergrass dominant pasture on heavy (Moort type) clay soil.

Simazine was found to be very active against silvergrass on the light sandy site and all rates applied gave complete control. There were some late germinations which enabled …