[ASC-media] BLACK SPOT IN THE FIELD/SENSITIVE SUBJECT: GRDC Grain Flashes
brendon at iinet.net.au
Wed Apr 2 04:15:26 CEST 2008
BLACK SPOT IN THE FIELD: According to GRDC-supported DAFWA researcher, Dr
Tanveer Khan, black spot caused by Mycosphaerella pinodes is the most
important disease of field pea in southern Australia.
Dr Khan says attempts to develop black spot resistance have been frustrated
due to low levels of naturally available resistance and the reliability of
He said that more than a decade of work in WA with a module of the National
Pea Breeding Program has provided a "glimmer of hope."
Although new lines with moderate resistance and agronomically desirable
traits are emerging,
the breeding line WAPEA2211 is still a leader in terms of resistance and
Breeding lines showing promising resistance at early stages of the breeding
cycle will go to yield trials in 2008.
Contact: Dr Tanveer Khan, Tel 08 9368 3602
SENSITIVE SUBJECT: Dr Harmohinder Dhammu, GRDC supported researcher with
DAFWA, reports that oat varieties Kojonup, Mitika and Wandering show good
tolerance to a range of commonly used herbicides and mixtures.
While the new herbicide, Precept, was well tolerated by all varieties,
Mitika has shown sensitivity to Paragon and 2-4-D LV ester, Kojonup to 2-4-D
LV ester and Wandering to dicamba.
Dr Dhammu reminds growers to always adhere to label recommendations when
applying any herbicide.
"This means not using off-label tank mixes, or off-label herbicides, or
herbicides above the registered rate.
"Growers also need to remember that that crop tolerance and yield response
to herbicides is strongly influenced by prevailing seasonal conditions."
Contact: Dr Harmohinder Dhammu, Tel 08 9690 2217
Authorised by Grains Research & Development Corporation (GRDC)
and issued on its behalf by
Brendon Cant & Associates, Tel 08 9384 1122
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