Abstract
Mesotrione is a new callistemone herbicide that inhibits the HPPD enzyme (p-hydroxyphenylpyruvate dioxygenase) and introduces a new naturally selective tool into weed-management programmes for use in maize. Mesotrione provides control of the major broad-leaved weeds, and it can be used in integrated weed-management programmes depending on the grower's preferred weed-control strategy. At post-emergence rates of 150 g AI ha-1 or less, mesotrione provides naturally selective control of key species that may show triazine resistance (TR), e.g. Chenopodium album L, Amaranthus species, Solanum nigrum L, as well as species of weed that show resistance to acetolactase synthase (ALS) inhibitors e.g. Xanthium strumarium L, Amaranthus spp and Sonchus spp. The data presented show that resistant and susceptible biotypes of these species with resistance to triazine herbicides, such as atrazine, simazine, terbutylazine and metribuzin, or ALS-inhibitor herbicides, such as imazethepyr, remain susceptible to mesotrione. These results confirm that there is no cross-resistance in biotypes with target site resistance to triazine or ALS-inhibiting herbicides. It is important that herbicide choice and rotation becomes an integral part of planning weed management, so as to minimise the risks of crop losses from weed competition, build-up of weed seed in the soil and the further development of weed resistance across a range of herbicide modes of action.
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Claims 6
Claim · model-written summary
Mesotrione at postemergence rates up to 150 g AI ha-1 selectively controlled triazine resistant Chenopodium album.
- Treatment
- 150 g AI ha-1 or less, mesotrionee0
- Interactor
- Chenopodium album L
Chenopodium albume0weed - Outcome
- control of key speciese0
- Direction
- controle0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At post-emergence rates of 150 g AI ha-1 or less, mesotrione provides naturally selective control of key species that may show triazine resistance (TR), e.g. Chenopodium album L, Amaranthus species, Solanum nigrum L”
t0“maize”
Claim · model-written summary
Mesotrione selectively controlled triazine resistant Amaranthus species.
- Treatment
- 150 g AI ha-1 or less, mesotrionee0
- Interactor
- Amaranthus species
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=60)
Amaranthuse0weed - Outcome
- control of key speciese0
- Direction
- controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_with_green_foliage%2C_photographed_in_Tamil_Nadu%2C_India.jpg?width=500)
Verbatim
e0“At post-emergence rates of 150 g AI ha-1 or less, mesotrione provides naturally selective control of key species that may show triazine resistance (TR), e.g. Chenopodium album L, Amaranthus species, Solanum nigrum L”
t0“maize”
Claim · model-written summary
Mesotrione selectively controlled triazine resistant Solanum nigrum.
- Treatment
- 150 g AI ha-1 or less, mesotrionee0
- Interactor
- Solanum nigrum L
_Solanum_nigrum_3.jpg?width=60)
Solanum nigrume0weed - Outcome
- control of key speciese0
- Direction
- controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Solanum_nigrum_3.jpg?width=500)
Verbatim
e0“At post-emergence rates of 150 g AI ha-1 or less, mesotrione provides naturally selective control of key species that may show triazine resistance (TR), e.g. Chenopodium album L, Amaranthus species, Solanum nigrum L”
t0“maize”
Claim · model-written summary
Mesotrione selectively controlled ALS inhibitor resistant Xanthium strumarium.
- Treatment
- mesotrionee0
- Interactor
- Xanthium strumarium L
Xanthium strumariume0weed - Outcome
- selective controle0
- Direction
- controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mesotrione provides naturally selective control of key species that may show triazine resistance (TR), e.g. Chenopodium album L, Amaranthus species, Solanum nigrum L, as well as species of weed that show resistance to acetolactase synthase (ALS) inhibitors e.g. Xanthium strumarium L, Amaranthus spp and Sonchus spp.”
t0“maize”
Claim · model-written summary
Resistant and susceptible weed biotypes remained susceptible to mesotrione.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The data presented show that resistant and susceptible biotypes of these species with resistance to triazine herbicides, such as atrazine, simazine, terbutylazine and metribuzin, or ALS-inhibitor herbicides, such as imazethepyr, remain susceptible to mesotrione.”
t0“maize”
Claim · model-written summary
The results confirmed no cross resistance to mesotrione in target site resistant biotypes.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results confirm that there is no cross-resistance in biotypes with target site resistance to triazine or ALS-inhibiting herbicides.”
t0“maize”
The same questions in other papers
mesotrione · Chenopodium album · Zea mays (maize)Positive and negative results
6 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- positive
- negative
5 papers more in this group
See all 9 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.