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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

A close up of barley heads affected with loose smut

Controlling barley loose smut

18 November 2014

Loose smut control is necessary to preserve grain yield as affected plants do not produce grain.

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.

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.

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.

Jujube fruit with brown spot

Brown spot of jujube

21 November 2017

Brown spot is a fungal disease caused by Nothophoma quercina. It affects jujubes in Western Australia and has been reported in olives, pistachios and Chinese quince in other countries.

Subterranean clover red leaf syndrome as caused by Soybean dwarf virus

Subterranean clover red leaf syndrome as caused by soybean dwarf virus

9 May 2018

There has been considerable concern amongst livestock producers regarding recent outbreaks of subterranean clover red leaf syndrome.

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.

Null

Onion smut: declared pest

20 December 2019

Onion smut (Urocystis cepulae) is a disease of onions. This disease is absent from Western Australia.

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