home news forum careers events suppliers solutions markets expos directories catalogs resources advertise contacts
 
News Page

The news
and
beyond the news
Index of news sources
All Africa Asia/Pacific Europe Latin America Middle East North America
  Topics
  Species
Archives
News archive 1997-2008
 

Western Australia - Timely budworm control can protect lupin crop yields 


Western Australia
October 21, 2016

Correct timing of sprays to control native budworm, when these pests are at high levels, is important to protect yields from Western Australian lupin crops and other susceptible crops including canola.


Caption: The timing of insecticide sprays in spring is critical for protecting lupin crop yields. Photo by Arthur Mostead, AM Photography.

The area sown in WA to lupins has increased this year on the back of favourable conditions and prices.

While the insect control window has passed for many crops in the State’s northern grainbelt, native budworm may still pose an issue in coming weeks in other cropping areas, with lupins typically being the last grain crop to remain green.

Department of Agriculture and Food (DAFWA) entomologist Svetlana Micic said native budworm were a potential problem in lupin varieties at the pod fill stage.

Ms Micic, who conducts research funded by the Grains Research and Development Corporation (GRDC), said native budworm could be highly damaging to lupin crops during podding and a sweep net was particularly effective for monitoring numbers of these pests.

“Crop monitoring for pests during this time of the year is a task that can be overlooked but I encourage growers to check their lupin crops to ensure that native budworm isn’t robbing them of yields and income,” she said.

“The rule-of-thumb is to use an insecticide if there is more than one budworm per 10 sweeps of a sweep net.

“Growers are advised to sweep the crop in several locations across the paddock.”

“The timing of insecticide sprays in spring is critical for protecting lupin crop yields and, for native budworm, it is important not to wait for caterpillars to grow.”

Insecticide use threshold guidelines for WA pulse crops, including lupins, are available at www.agric.wa.gov.au/mycrop/pulse-crops-insect-threshold-levels

A GRDC-funded report The current and potential costs of invertebrate pests in grain crops has estimated that the average cost of treating all insects and pests in WA lupin crops is $15.20/ha or $8.2m annually.

It recommends that the economic benefits of controlling pests should be weighed up carefully by growers and advisers as part of an Integrated Pest Management (IPM) plan, as chemical costs can be high.

 



More news from: GRDC (Grains Research & Development Corporation)


Website: http://www.grdc.com.au

Published: October 21, 2016

The news item on this page is copyright by the organization where it originated
Fair use notice

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

  Archive of the news section

 


Copyright @ 1992-2024 SeedQuest - All rights reserved