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Agronomy and Crop Sciences Commons

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Full-Text Articles in Agronomy and Crop Sciences

Using The Zadoks Growth Scale, M W. Perry, D. G. Bowran, G. Brown Jan 1986

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.


Reduced-Branching Lupins, R J. Delane, J. Hamblin, J. S. Gladstones Jan 1986

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 …