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Articles 781 - 810 of 1782
Full-Text Articles in Life Sciences
Effect Of Metham-Sodium On Potato Cyst Nematode., J. M. Stanton
Effect Of Metham-Sodium On Potato Cyst Nematode., J. M. Stanton
Experimental Summaries - Plant Research
Effect of metham-sodium on potato cyst nematode. To determine the effect of fumigation with metham-sodium on potato cyst nematode (PCN).
Lupin Root Rot, Lupin Hypocotyl Rot, Rhizoctonia Coleoptile Rot Of Wheat, Rhizoctonia Root Rots In Long Term Wheat-Pasture Rotation Trials., M. Sweetingham
Lupin Root Rot, Lupin Hypocotyl Rot, Rhizoctonia Coleoptile Rot Of Wheat, Rhizoctonia Root Rots In Long Term Wheat-Pasture Rotation Trials., M. Sweetingham
Experimental Summaries - Plant Research
Lupin Root Rot: 86Cl4, 86WH15, 86ME85, 86LG63, 85C63, 86WH14. Lupin Hypocotyl rot, 86BA49, 86BA21. Rhizoctonia coleoptile rot of wheat, 86BA19, 86BA20 Rhizoctonia root rots in long term wheat-pasture rotation trials.
Fruit Diseases., P. Mcr Wood
Fruit Diseases., P. Mcr Wood
Experimental Summaries - Plant Research
Apple Powdery Mildew, 86BY42. Peach Leaf Curl, 86MN6. Pear Scab, 86MN7.
Root And Foliar Diseases Of Wheat On Sandplain In The Geraldton Region., J. Wilson
Root And Foliar Diseases Of Wheat On Sandplain In The Geraldton Region., J. Wilson
Experimental Summaries - Plant Research
Leaf disease trial, 86C69. Drench trial, 86C70. Fumigation trial, 86C71. Three springs trial, 86TS31. Soil transfer trial, 86C98. Wheat leaf disease control trial, 86C99. Water use rotation trial, 86C63. Cultivation, naraling (jarvis), 82GE38. Wheat diseases, survey.
The Ecology Of Skeleton Weed In Western Australia, Afghan Thistle Ecology, Biology Of Gorteria Personata., J. Dodd
Experimental Summaries - Plant Research
The ecology of skeleton weed in Western Australia, 84BA17. Afghan thistle ecology, 84N050. Regenerative ability of stem and root segments, 85PE51. Biology of Gorteria personata, 86M03, 86N08. Life cycle, 86M03, 86N08. Germination requirements, 86PE7.
Weed Seed Ecology., A. H. Cheam
Weed Seed Ecology., A. H. Cheam
Experimental Summaries - Plant Research
Population dynamics of Brome grass in relation to control systems, 86C1. Wild radish control in lupins, 86N085. Preplanting operations to stimulate Doublegee emergence, 85C89. Postplanting operations to stimulate Doublegee emergence, 85C90.
Herbicide Tolerance Of Recommended Cereal Varieties, D. Bowran, R. Watson
Herbicide Tolerance Of Recommended Cereal Varieties, D. Bowran, R. Watson
Experimental Summaries - Plant Research
Herbicide tolerance of recommended cereal varieties Barley response to Glean, 86 GE 52, 86 GE 56, 86N0107, 86N0112, 86KA74, 86KA78. Tolerance of lupins to selected broadleaf herbicides, 86 GE 59, 86 GE 49. Herbicide tolerance of recommended cereal varieties, 86ME98. Herbicide tolerance of recommended cereal varieties effect of non-phenoxy herbicides on phenoxy sensitive wheat varieties, 86A12, 86A13. Herbicide tolerance of recommended cereal varieties barley response to metribuzin, 86LG37, 86LG59. Tolerance of recommended pea varieties to herbicides, 86NO111. Stirling barley tolerance to Glean and Ally, 8 6N0119. Effect of plant-back time on response to Till-master, 86WH48. Tolerance of lupins to selected …
Crop Oils And Herbicides, Crop Establishments, Weed Control,, Isoproturon Evaluation, Radish Control, Topping Trial 1985 Report., R Madin, A Lindsay
Crop Oils And Herbicides, Crop Establishments, Weed Control,, Isoproturon Evaluation, Radish Control, Topping Trial 1985 Report., R Madin, A Lindsay
Experimental Summaries - Plant Research
Grass control with Hoegrass plus oil (Rates of Hoegrass + oil). TRIAL 1. 86 NO 121. Grass and broadleaf weed control with herbicides and oil, 86 MO 51. Grass control with Fusilade and crop oil (Lupins) 86 NO 120. Grass control with Fusilade and crop oil (Lupins), 86 KA 89. Grass control with Hoegrass, Fusilade and crop oil (Serena medic) 86 MO 44. Hoegrass and Oil Tolerance, 86 NO 124. Hoegrass Rates x Oils for Wild Oats Control in Wheat, 86 NO 118. The effect of timing of Roundup CT and Sprayseed application and cultivation on crop establishment and growth, …
1. Cereal Agronomy, 2. Pesticides, J. H. Moore, G. R. Dean
1. Cereal Agronomy, 2. Pesticides, J. H. Moore, G. R. Dean
Experimental Summaries - Plant Research
Best bet minimum tillage, 86AL38, 86AL39, 86AL40. Minimum tillage factors, 86AL62. South coast potential yield factors, 86 AL 81, 86AL82. Time of planting by variety interaction - south coast, 86AL87. Capeweed control in cereals with residual herbicides, 86AL45. Sprayseed/glean, roundup/glean tank mixes for grass control, 86AL43. Sorrel control systems, 86AL43. Sorrel control for pasture establishment. Pre plant ally on barley, 86AL86. Pre plant ally on oats, 86AL84, 86AL85. Pre plant ally on clover, 86AL63. Pre plant ally on peas, 86AL65. Pre plant ally on rape, 86AL67. Double knockdowns, 86AL68, 86MT67. Rate, time of spraying and scarifying interaction on pre-p1ant herbicides, …
Capeweed Control In Cereals., J. R. Peirce, B. J. Rayner
Capeweed Control In Cereals., J. R. Peirce, B. J. Rayner
Experimental Summaries - Plant Research
Capeweed control in cereals pre-sowing control, 86WH58. Capeweed control in cereals post-emergence control, 86WH59. Capeweed control in cereals post-emergence control with Reglone®, 86WH69. Capeweed control in cereals post-emergence control with various products, 86WH70. Capeweed control in cereals post-emergence control with mixtures, 86WH74. Lovegrass (Eragrostis curvula) control along roadsides, 86WH75. Chemical control of Four o'Clock (Oxalis purpurea) in cereals, 86N0110. Hoegrass, different rates with oils or wetting agent for wild oat control in cereals, 86N0118. Chemicals x depth of blade plowing to control couch, 86N010. Chemical x cultural control of couch (long-term), 85N092. Chemical control of couch prior to cereal establishment, …
Effectiveness Of Various Herbicides On Hoegrass Resistant Wild Oats. Effect Of Herbicides On Hoegrass Resistant Annual Ryegrass. Growth Of Cereals Planted In Simazine Treated Soil. Growth Of Wheat One Year After Simazine. Glean Use On Drier Alkaline Soils., T. Piper
Experimental Summaries - Plant Research
86N0113, 86N0114, 86N0115, 86N0116, 86N0102, 86N0103, 86N0103, 86N0104, 86N0105, 85WH54, 85ME56, 85N27, 86WH51, 86N34, 85N30, 86WH52, 86N33, 86WH53, 86SG25,
Serradella Prospects At Esperance, Michael D A Bolland
Serradella Prospects At Esperance, Michael D A Bolland
Journal of the Department of Agriculture, Western Australia, Series 4
Yellow serradells is a promising introduced annual legume suitable for some of Western Australia's well drained sandy acid soils where other pasture legumes failto persist.
In the Esperance area serradella grows siccessfully on some sandy soils more than 0.5 metres deep. I develops deep roots rapidly - up to three times deeper than subterranean clover - and this is probably the main reason for its persistance.
At present only two late maturing, registered serradella cultivars are available to farmers in southern Australia. This article describes research at Esperance to delect earlier flowering cultivars for persistence in areas with less than …
Using The Zadoks Growth Scale, M W. Perry, D. G. Bowran, G. Brown
Using The Zadoks Growth Scale, M W. Perry, D. G. Bowran, G. Brown
Journal of the Department of Agriculture, Western Australia, Series 4
The Zadoks growth scale, which is already used overseas as an aid to better crop management, is gradually being adopted in crop production in Western Australia.
By using the scale grain growers are able to identify the various stages of crop development, particularily those growth stages that are closely related to practices such as crop spraying where treatment too early or too late may be ineffective or damaging.
Swathing Field Crops In The South-West, R Snowball
Swathing Field Crops In The South-West, R Snowball
Journal of the Department of Agriculture, Western Australia, Series 4
Swathing is a long established method of haarvesting field crops, especially in parts of Europe and North America. It involves cutting the crop when the seed is nearly mature and laying it in a swath or windrow to dry. when the crop has dried it is harvested using conventional harvesting machinery with a pick-up attatchment.
On the Eyre Peninsula of South Australia, an area prone to strong moist sea breezes, swathing barley is a common practice. More farmers along Western Australia's south coast are also swathing barley to reduce losses from conventional harvesting. Pod shattering losses of lupins and field …
Rhizoctonia Patch Of Cereals, G C. Macnish
Rhizoctonia Patch Of Cereals, G C. Macnish
Journal of the Department of Agriculture, Western Australia, Series 4
Rhizoctonia patch is now widespread within Western Australia, having been recorded on all cereals and on a wide variety of other crops and pasture plants. Although the disease-as its name implies - looks spectacular in the field, the overall reduction in crop yield is probably small. However, its increasing frequency is causing considerable concern as the disease appears to be associated with minimum or reduced tillage systems.
Row Spacing And Cereal Crop Yield, R N. Burch, M. W. Perry
Row Spacing And Cereal Crop Yield, R N. Burch, M. W. Perry
Journal of the Department of Agriculture, Western Australia, Series 4
Cereal growers in western Australia have, traditionally, burned cereal stubbles. Burning stubble residues reduces weed seed populations and fungal pathogens, but its main purpose has been to eliminate straw which might cause blockages od seeding machinery and por see-bed preparation in the time critical seeding operation.
In 982, the Department of Agriculture began a project to determine whether wider spaced rows also depressed cereal yields in Western Australia. This article summarises some of the important results from that work.
Serena And Circle Valley Medic Establishment, M A B Ewing
Serena And Circle Valley Medic Establishment, M A B Ewing
Journal of the Department of Agriculture, Western Australia, Series 4
Since the commercial release of the burr medics Serens in 1983, and Circle Valley ayearlater, much has been learnt about the establishment and management of these pasture legumes. When sown on suitable soils and with appropriate establishment and management techniques, these medics have the potential to dramatically change farm profitability. This results from both increased production from livestock and from improved cereal crops grown in rotation.
Agricultural Progress On The Ord, D A. Mcghie
Agricultural Progress On The Ord, D A. Mcghie
Journal of the Department of Agriculture, Western Australia, Series 4
This is the first of occasional articles describing the experimental and commercial activity on the Ord River Irrigation Area (ORIA) in Western Australia's Kimberley region.
Against a background of extensive recources of land and water, a sometimes cimatic advantage and a complementary disadvantage of a remote location, agriculture on the Ord has swung from various monocultures to a broadly based and diversified production. In 1986, the value of agricultural production on the Ord will approach values equivalent to those of the cotton era for the first time since the demise of that industry 12 years ago.
Root Diseases Of Cereals., G. C. Macnish
Root Diseases Of Cereals., G. C. Macnish
Experimental Summaries - Plant Research
Take-all Effects of nitrogen source on take-all 82N34, 77E4. Take-all and rates of PP450 and Bayleton 86MT40. Take-all and control by lupins 86MT6. Take-all and field inoculation rates, 86MT58. Take-all and fumigation, 86MT57. Rhizoctonia root rot Rhizoctonia patch and soil compaction, 86E39. Rhizoctonia patch and short chemical fallow, 86E40. Rhizoctonia root rot and Glean, 86E42. Rhizoctonia strains-and paddock history, 86E31. Rhizoctonia root rot - host effects on strains, 86BA38, 85E28, 86E30.
Annual Ryegrass Toxicity Research Summary Of Experiment Results., V. Nieman, A. G. P. Brown, R. Madin
Annual Ryegrass Toxicity Research Summary Of Experiment Results., V. Nieman, A. G. P. Brown, R. Madin
Experimental Summaries - Plant Research
Experiments were set up to screen a range of herbicides which might give improved control of Anguina agrostis over the currently recommended paraquat. Two experiments examined Roundup, Fusilade and Sertin at two rates and two experiments screened eight herbicides at five rates from two x "label recommendation" to 0. 99 x Standard treatment was paraquat at 550 ml. Plots were 3 m x 30 m in the first two experiments and 3 x 5 m (per dilution) in the second. The herbicides were applied on 4/9, 17/9, 24/9, 1/10 and 9/10 (Zadoks stages 32 - 58). There were three replications …
Control Strategies For Annual Ryegrass Toxicity, W J. Burdass
Control Strategies For Annual Ryegrass Toxicity, W J. Burdass
Journal of the Department of Agriculture, Western Australia, Series 4
In 982-83, annual ryegrass tocicity (ARGT) was estimated to have cost Western Australian sheep farmers between $7 and $8 million in total economic losses.
The disease can severely disrupt farming operations. Sheep must be checked daily and if affected moved to a 'safe' paddock. The availability of paddock feed is reduced, as is stock carrying capacity. Worry about the possibility of dramatic stock losses, and uncertainty about what decisions to make, are all stressful.
Stock losses from ARGT can be minimised by the use of selective herbicides to control ryegrass in pastures and crops. This breaks the disease cycle - …
Phomopsis-Resistanct Lupins : Breakthrough Towards The Control Of Lupinosis, W A. Cowling, J. G. Allen, P Mcr. Wood, J. Hamblin
Phomopsis-Resistanct Lupins : Breakthrough Towards The Control Of Lupinosis, W A. Cowling, J. G. Allen, P Mcr. Wood, J. Hamblin
Journal of the Department of Agriculture, Western Australia, Series 4
Attemots to control lupinosis in sheep have been thwarted by the unpredictable occurence of the disease in the field. The complex interaction of the toxin-producing fungus (Phomopsis leptostromiformis) with its host (the lupin plant), together with variable weather and paddock grazing conditions, have made it difficult to predict when stock are in danger of contracting the disease. The risk of lupinosis discourages many farmers from growing lupins, despite the many potential benefits of including them in crop rotations.
A team of Department of Agriculture plant breeders, plant pathologists, and animal scientists set out in the mid 1970s to find resistance …
Lupin Processing : A New Development, R S. Coffey
Lupin Processing : A New Development, R S. Coffey
Journal of the Department of Agriculture, Western Australia, Series 4
For a number of years Grain Pool marketing representatives have approachd stockfeed manufacturers around the world in an attempt to broaden the market for Western Australian lupin seed.
Wherever there was enough consumer interest to conduct a nutritional evaluation of the product, lupins were found to be non competitive for inclusion in both pig and poultry rations, while at the same price being acceptable as a cattle feed ingredient. The reason for this disparity proved to be the varying degrees of fibre digestability of lupins for the various livestock tested.
It became apparent that the fibrous lupin seed coat or …
Protein Enrichment Of Cereal Grains For Livestock, Andrew C. Dunlop, C. L. Mcdonald
Protein Enrichment Of Cereal Grains For Livestock, Andrew C. Dunlop, C. L. Mcdonald
Journal of the Department of Agriculture, Western Australia, Series 4
Every year Western Australian farmers feed about 759,000 tonnes of cereal grain to livestock, mostly to sheep but also to dairy and beef cattle. These grains are fed as drought feeds, as supplements to augment poor quality or scarce paddock feed or in growth rations to attain higher levels of production. Many grains fed, however, have a low protien content and are therefore used inefficiently by animals.
Several methods of improving the low protien content of feed grains have been tested. They include the addition of lupin seed, spraying oats with urea and gassing oats with ammonia.
Sources And Times Of N On Wheat, J W. Bowden
Sources And Times Of N On Wheat, J W. Bowden
Experimental Summaries - Plant Research
86M9, Sources and times of N on wheat.
86M3, Rates and times of N and watering treatments on wheat.
86BA42, Times and levels of N on wheat. Residual value of nitrogen sources. Badgingarra and WHRS.
Boron Toxicity In Barley 1986 1987, M M. Riley, J W. Gartrell, R F. Brennan, T N. Khan
Boron Toxicity In Barley 1986 1987, M M. Riley, J W. Gartrell, R F. Brennan, T N. Khan
Experimental Summaries - Plant Research
Boron Toxicity in cereals, 85GL3. Intraspecific variation in barley to boron toxicity, 86SG22, 86SG31, 86SG26. Intraspecific variation in Wheat to boron toxicity, 86SG24, 86SG32.
Survey of Boron toxicity in Stirling Barley in Western Australia, 85NO64, 85NO65, 85NO66, 85NO67, 85NO68, 85NO69.
Tolerance Of Cereal Crops To Herbicides, D G. Bowran
Tolerance Of Cereal Crops To Herbicides, D G. Bowran
Journal of the Department of Agriculture, Western Australia, Series 4
Herbicides have come to play an important role in the control of weeds in Western Australian cereal crops, with some estimates showing that sufficient herbicide was applied to treat every hectare of cereal grown in 1984.
While the use of herbicides reduces competition from weeds, they may have a hidden cost. As chemicals which affect plants, herbicides may also affect plants, herbicides may also affect and damage the crop which they are protecting. The crop may possibly fail, and some or all of the economic benefits obtained from the chemical control of weeds may not be realised.
Reduced-Branching Lupins, R J. Delane, J. Hamblin, J. S. Gladstones
Reduced-Branching Lupins, R J. Delane, J. Hamblin, J. S. Gladstones
Journal of the Department of Agriculture, Western Australia, Series 4
The flowering time of present narrow-leafed lupin varieties is now probably correct for most of Western Australia's grain growing areas. However lupin yields are frequently not as high as might be expected, in either low or high yielding sistuations, and further marked yield improvements seem theoretically possible. A likely reason for seed yields being below expectations is the growth and development pattern of present lupin varieties.
Some new lupin types in which branching is suppressed genetically - known as reduced-branching types - are being studied. These types could be useful in some lupin growing areas to help overcome seed yield …
Research Into Lupin Root Diseases, M W. Sweetingham
Research Into Lupin Root Diseases, M W. Sweetingham
Journal of the Department of Agriculture, Western Australia, Series 4
increased yield from wheat after lupins, obtained without the need for applied nitrogen, has led many farmers to adopt a 1:1 wheat-lupin rotation. One of the advantages of lupins is the cleaning effect they have by reducing wheat diseases such as septoria and yellow leaf spot and root diseases, in particular take-all.
Before the present research projext started, little was known about lupin root diseases, or what effect lupins grown in close rotation with wheat might have on the build-up of root disease of lupins.
Phomopsis Infection Of Lupin Seed, D S. Petterson, P. Mcr. Wood
Phomopsis Infection Of Lupin Seed, D S. Petterson, P. Mcr. Wood
Journal of the Department of Agriculture, Western Australia, Series 4
Early reports of lupinosis in Western Australia implicated infected stems and leaves of the sandplain or W,A. blue lupin (Lupinus cosentinii) as the main source of toxicity.
After the introduction of low alkaloid varieties of L. augustifolius, lupinosis continued to oddur on stubbles but random testing of seeds showed only low levels of Phomopsis leptostromiformis infection.
However in 1976, scientists at the University of Western Australia who were evaluating the use of an all lupin seed ration for drought feeding sheep encounted lupinosis in one of their trials.Seven per cent of the seed used was found to be infected …