Paper · 1985 · UKnowledge (University of Kentucky)

Weed Control in Alfalfa — Present & Future

Charles H. Slack

4
claims
5
verbatim quotes
0
citations
2
research areas
✓
Open access

Abstract

To achieve maximum alfalfa production and maintain excellent stands and forage quality for a number of years, producers need to start including weed control in their management program. Unfortunately good stands are not being established because of early weed competition where herbicides are not used. Alfalfa stands tend to play out before achieving their maximum number of years of production unless maintenance herbicides are used. Fortunately there are now herbicides registered to meet most every phase of alfalfa production. This paper will deal primarily with the herbicides that are currently labeled for use on alfalfa. Several herbicides that are not registered but show excellent promise for use postemergence on established alfalfa for the control of annual and perennial grasses will be presented. It is important to remember that it is illegal to apply a pesticide to a crop for which it is not registered.

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Claims 4

Associationauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Early weed competition without herbicides impairs establishment of good alfalfa stands.

Taxon
AlfalfaMedicago sativat0
Interactor
weede0weed
Outcome
good stands are not being establishede0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“good stands are not being established because of early weed competition where herbicides are not used”

✓ located verbatim in the source · abstract, characters 200–301 · show in text ↑
t0

“Alfalfa”

✓ located verbatim in the source · title, characters 16–23 · show in text ↑
Associationauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Alfalfa stands tend to decline before their maximum productive duration without maintenance herbicides.

Taxon
AlfalfaMedicago sativae0
Treatment
maintenance herbicidese0
Outcome
stands tend to play out before achieving their maximum number of years of productione0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Alfalfa stands tend to play out before achieving their maximum number of years of production unless maintenance herbicides are used”

✓ located verbatim in the source · abstract, characters 303–434 · show in text ↑
Observationauthor interpretationreview summarypositivebasis n/a

Claim · model-written summary

Several unregistered herbicides show promise against annual and perennial grasses in established alfalfa.

Taxon
alfalfaMedicago sativae0
Interactor
annual and perennial grassese0weed
Outcome
excellent promise for use postemergencee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“Several herbicides that are not registered but show excellent promise for use postemergence on established alfalfa for the control of annual and perennial grasses”

✓ located verbatim in the source · abstract, characters 630–792 · show in text ↑
Recommendationauthor interpretationreview summarypositivebasis n/a

Claim · model-written summary

Producers should include weed control to sustain alfalfa production, stands and forage quality.

Taxon
alfalfaMedicago sativae0
Outcome
including weed control in their management programe0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Medicago sativa
Medicago sativa · TaxonDrepanostoma · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“To achieve maximum alfalfa production and maintain excellent stands and forage quality for a number of years, producers need to start including weed control in their management program”

✓ located verbatim in the source · abstract, characters 0–184 · show in text ↑