Abstract
It is assumed that in a good integrated corn production that includes proper crop rotation and agricultural techniques based on plow cultivation and high nutrient requirements, grain yielding can be affected by the number of weeds not completely destroyed or left on the field as a result of not appropriate herbicide selection and treatment time that can lead into secondary weed infestation. Weed species with the largest share of the secondary weed infestation in corn are: common lambquarters (Chenopodium album L.) barnyard grass [Echinochloa crus-galli (L.) P. Beav.], yellow foxtail [Setaria glauca (L.) P. Beav.] and green foxtail [Setaria viridis (L.) P. Beav.]. The aim of the study was an evolution of possibilities of regulation of the secondary weed infestation in integrated maize production with two herbicide variants used preemergence and postemergence. The weather conditions especially in 2011 year affected efficacy of acetochlor that was applied as preemergence application to weeds at more advanced stages of development. The treatment was ineffective and increased plant abundance in secondary weed infestation, i.e. at the level of 27%. Weed control with a mixture of nicosulfuron + mesotrione with adjuvant Atpolan Bio 88 EC system divided doses applied as postemergence application showed better herbicidal activity and high secondary weed infestation in 2011 did not exceed 3% of the soil cover. Higher and cleaner yields with robust grain were obtained from the herbicide mixture treatment compared to the object treated with acetochlor.
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Claims 4
Claim · model-written summary
Common lambquarters, barnyard grass, yellow foxtail and green foxtail had the largest share of secondary weed infestation in corn.
- Taxon
- corn
Zea mays subsp. mayse0 - Interactor
- common lambquarterse0weed
- Outcome
- largest share of the secondary weed infestatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weed species with the largest share of the secondary weed infestation in corn are: common lambquarters (Chenopodium album L.) barnyard grass [Echinochloa crus-galli (L.) P. Beav.], yellow foxtail [Setaria glauca (L.) P. Beav.] and green foxtail [Setaria viridis (L.) P. Beav.]”
Claim · model-written summary
Preemergence acetochlor was ineffective against advanced weeds in 2011 and secondary weed abundance reached 27%.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- acetochlore1
- Interactor
- weede0weed
- Outcome
- plant abundance in secondary weed infestatione0
- Direction
- increasede0
- Value
- 27%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment was ineffective and increased plant abundance in secondary weed infestation, i.e. at the level of 27%”
t0“corn”
e1“The weather conditions especially in 2011 year affected efficacy of acetochlor that was applied as preemergence application to weeds at more advanced stages of development.”
Claim · model-written summary
Postemergence nicosulfuron and mesotrione with adjuvant kept 2011 secondary weed infestation at no more than 3% soil cover.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- mixture of nicosulfuron + mesotrione with adjuvant Atpolan Bio 88 ECe0
- Interactor
- weede0weed
- Outcome
- secondary weed infestatione0
- Direction
- did not exceede0
- Value
- 3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weed control with a mixture of nicosulfuron + mesotrione with adjuvant Atpolan Bio 88 EC system divided doses applied as postemergence application showed better herbicidal activity and high secondary weed infestation in 2011 did not exceed 3% of the soil cover”
t0“corn”
Claim · model-written summary
The herbicide mixture gave higher, cleaner corn yields with robust grain than acetochlor.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- herbicide mixture treatmente0
- Outcome
- yields with robust graine0
- Direction
- Highere0
- Comparator
- acetochlore0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher and cleaner yields with robust grain were obtained from the herbicide mixture treatment compared to the object treated with acetochlor”
t0“corn”
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