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BLW management in lentil

2022

Research organisations
Funding source
SARDI - Clare University of Adelaide
<abbr title='Grains Research and Development Corporation'>GRDC</abbr>

Trial details

Researcher(s) Navneet Aggarwal
Brianna Guidera
Amy Keeley
Penny Roberts
Contact email Navneet.Aggarwal@sa.gov.au
Year(s) 2022
Contributor SARDI - Clare
Trial location(s) Tooligie, SA
BLW management in lentil locations
Aims

(1) Can we exclude IMI applications and get same level of BLW control
(2) Best use of new herbicide Reflex in combination with other herbicides
(3) Benefits from alternative use patterns of metribuzin in new herbicide tolerant technology
(4) Better understand yield comparison of XT lentil and metribuzin tolerant lentil under different sets of weed management scenarios

Key messages
  • Group 14 herbicide Reflex® did not reduce plant establishment in both IMI tolerant lentil PBA Hurricane XT and metribuzin tolerant lentil GIA Metro. 
  • Reflex® caused stunting at rate of 1000 mL/ha compared to 750 mL/ha applied Incorporated by sowing (IBS) in alkaline silty loam soil. 
  • Combination of Reflex® 750 mL/ha (IBS) followed by (fb) metribuzin 200 g/ha post sowing pre-emergent (PSPE) caused stunting in IMI tolerant lentil PBA Hurricane XT, as compared to Reflex® 750 mL/ha (IBS) alone and Reflex 750 mL/ha (IBS) fb diuron 550 g/ha (PSPE). However, no stunting was recorded in metribuzin tolerant lentil GIA Metro, even at the highest label rate of metribuzin at 380 g/ha.  
  • Combination of Reflex® 750 mL/ha (IBS) fb metribuzin 380 g/ha (POST) applied to GIA Metro proved as effective for broadleaf weed control as Reflex® 750 mL/ha (IBS) fb Intercept 750 mL/ha (POST) in PBA Hurricane XT. 
  • Combination of pre-emergent Reflex® (IBS) with post-sowing pre-emergent application of Group 5 metribuzin and diuron proved more effective for common sowthistle, prickly lettuce and Indian Hedge than herbicide strategies of relying on Reflex® alone. 
Lead research organisation University of Adelaide
Host research organisation SARDI - Clare
Trial funding source GRDC UOA2105_013RTX
Related program Development and extension to close the economic yield gap to maximise farming system benefits from grain legume production in South Australia
Acknowledgments N/A
Other trial partners Not specified
Download the trial report to view additional trial information

Method

Crop type Grain Legume: Lentils
Treatment type(s)
  • Herbicide : Rate
  • Herbicide : Timing
  • Herbicide : Type
Trial type Experimental
Trial design Randomised,Replicated,Blocked

Tooligie 2022

Sow date 1 June 2022
Harvest date 15 December 2022
Trial design method RCBD Randomised Complete Block Design
Plot size Not specified
Plot replication 3
Plot randomisation Y
Fertiliser

80 kg MAP/ha
Download the trial report to view additional method/treatment information
Trial source data and summary not available
Check the trial report PDF for trial results.
Observed trial site soil information
Trial site soil testing
Not specified
Soil conditions
Trial site Soil texture
Tooligie, SA Not specified
Derived trial site soil information
Australian Soil Classification Source: ASRIS
Trial site Soil order
Tooligie, SA Sodosol

Climate

Derived climate information

No observed climate data available for this trial.
Derived climate data is determined from trial site location and national weather sources.

Tooligie SA

NOTE: Exact trial site locality unknown - Climate data may not be accurate
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Some data on this site is sourced from the Bureau of Meteorology

SILO weather estimates sourced from https://www.longpaddock.qld.gov.au/silo/
Jeffrey, S.J., Carter, J.O., Moodie, K.B. and Beswick, A.R. (2001). Using spatial interpolation to construct a comprehensive archive of Australian climate data , Environmental Modelling and Software, Vol 16/4, pp 309-330. DOI: 10.1016/S1364-8152(01)00008-1.

Trial report and links

2022 trial report



Trial last modified: 03-10-2025 03:08am AEST