Brome grass control in lentils

2015

Research organisation

Trial details

Researcher(s)	Leighton Wilksch
Year(s)	2015
Contributor	Northern Sustainable Soils
Trial location(s)	Bute, SA

Brome grass control in lentils locations

Aims

To evaluate a range of herbicide combinations for controlling brome grass in lentils.

Key messages

There was no significant difference between the lentil counts, but there was a trend evident of some of the group C herbicides causing some slowness and even plant death. Rain events in the first month post planting were below average, it is likely that those herbicides that are known to have some level of toxicity to lentils (such as Metribuzin) were concentrated in the furrow and thus negatively affected some of the germinating plants.This apparent damage highlights the importance of understanding how herbicides interact with the soil type, stubble loading and the planted crop.

Lead research organisation	N/A
Host research organisation	N/A
Related program	N/A
Acknowledgments	N/A
Other trial partners	Northern and Yorke NRM, NSS and Nathan Hewett

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Method

Crop type	Grain Legume: Lentils
Treatment type(s)	Herbicide : Application Method Herbicide : Rate Herbicide : Timing Herbicide : Type
Trial type	Experimental
Trial design	Replicated

Bute 2015

Sow rate or Target density	Sow rate: 45kg/ha.
Sowing machinery	Sown with Conserva Pac tynes on 260mm spacings.
Sow date	11 May 2015
Harvest date	Trial not harvested.
Plot size	Not specified
Plot replication	3
Fertiliser	MAP @ 90kg/ha at sowing, ZMC + Pyrinex Super @ 0.8 + 0.4L/ha applied on 17 June 2015.
Herbicide	As per treatments. Application date: 11 June 2015 - lentils were 7cm high; brome grass at 3-5 leaf stage.
Other trial notes	Establishment and brome grass was assessed on 11 June 2015.

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Download results

Trial results Table 1

#	Variety	Treatment 1	Establishment plants (plants/m2)	Brome grass density (plants/m2)	Brome grass control (%)
1	█ Herald XT	█ Triflur + Avadex (1+1.6L/ha) pre-plant, Verdict + Clethodim (0.1+1.5L/ha) post-plant	43	-	9.7
2	█ Herald XT	█ Triflur + Avadex (1+1.6L/ha) pre-plant, Verdict + Clethodim (0.05+0.75L/ha) post-plant	47	-	8.3
3	█ Herald XT	█ Adama EXP pre-plant	45	9	8.7
4	█ Herald XT	█ Triflur + Propizamide (1+0.5L/ha) pre-plant, Propizamide (0.5L/ha) post-plant	49	18	6.7
5	█ Herald XT	█ Triflur + Avadex (1+3.0L/ha) pre-plant	36	50	5.7
6	█ Herald XT	█ Triflur + Metribuzin (1.0L/ha + 150g/ha) pre-plant, Diuron (0.3L/ha) post-plant	33	54	5.3
7	█ Herald XT	█ Sentry (40g/ha) pre-plant, Intervix (0.75L/ha) post-plant	42	65	7.7
8	█ Herald XT	█ Triflur + Avadex (1+1.6L/ha) pre-plant	47	72	3.7
9	█ Herald XT	█ Triflur + Glean (1+1.6L/ha + 10g/ha) pre-plant	39	95	5
10	█ Herald XT	█ Triflur + Terbyne (1+400g/ha) pre-plant, Terbyne (100g/ha) post-plant	40	115	2
11	█ Herald XT	█ Triflur + Diuron + Simazine (1+0.2+0.2L/ha) pre-plant, Diuron + Simazine (0.2+0.2L/ha) post-plant	37	124	5
12	█ Herald XT	█ Triflur + Metribuzin (1.0L/ha + 150g/ha) pre-plant, Metribuzin (50g/ha) post-plant	37	144	1.3
13	█ Herald XT	█ Untreated control	49	156	1