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Improving the best practice integrated weed management package 2013 trial report

8 January 2014

This trial examines the positive impact of crop competition, crop type rotation and the mouldboard plough on weed management.

Lupin crop

Cucumber mosaic virus in narrow-leafed lupins

26 November 2013

Cucumber mosaic virus (CMV) is a seed- and aphid-borne virus that infects narrow-leafed lupins. It can also infect many other broad-leafed plant species.

Martin Harries kneeling in a wheat crop

Focus paddocks 2014 trial report

18 September 2014

Management of weeds, disease and nitrogen nutrition are ongoing challenges that limit yield potential.

Close up of young wheat plant showing yellow leaf spot disease

Are early fungicide applications effective for yellow spot and septoria nodorum blotch in the low rainfall zone 2014 trial report

26 September 2014

Previous research in high rainfall zones or above average seasons has shown that in cases where leaf spot disease levels are high very early, fungicide application at or before first node (Z31) is

Close up of sclerotinia stem rot in canola

Fungicide timing for control and yield loss from sclerotinia sclerotiorum in canola 2014 trial report

26 September 2014

For successful management of sclerotinia stem rot in most years it is critical to target fungicides at early stage of bloom (20-30%), but optimal timing can vary depending on the season, in particu

Yellow spot appears as tan elongated lesions with yellow margins, with leaf dying back from tip

Managing yellow spot and septoria nodorum blotch in wheat

5 December 2013

Leaf spot diseases affecting wheat in Western Australia are septoria nodorum blotch, yellow spot and septoria tritici blotch.

Martin Harries in Aphid trial

Reassessing canola yield loss to aphids at Geraldton 2015 trial report

1 December 2015

Heavy infestation of aphids caused significant yield loss to canola in a high rainfall environment

DAFWA Research Officer Martin Harries sitting in Geraldton Aphid Trial

Canola yield loss to aphids, Geraldton 2015 trial report

11 January 2016

This trial investigated if feeding damage caused by cabbage aphid causes yield loss in canola. The trial was established to re-investigate management guidelines for aphid colonies in canola.

DAFWA Research Officer Martin Harries in Albus Lupins being grown at 44cm

Albus lupin grown in wide rows at Geraldton, 2015 (15GE50)

12 January 2016

This trial investigated if row spacing and seeding rate in Albus lupins had an impact on fungal disease.

Because of the dry conditions fungal disease were not evident.

Pile of golden wheat grain

Seed dressing and in-furrow fungicides for cereals in Western Australia

20 November 2013

Seed dressing and in-furrow fungicides contain active ingredients for the control or suppression of seed-borne diseases, some fungal foliar diseases and some fungal root rots in cereal crops.

Net type net blotch has thin brown streaks that often cross with a net like appearance

Managing net-form net blotch of barley in Western Australia

13 December 2012

Net-form net blotch is a fungal disease that can reduce yield and grain quality of barley crops. This page describes the symptoms briefly, with greater focus on how this disease is managed.

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