Abstract
In order to screen herbicides with high control efficiency on broadleaf weeds in winter wheat field,field trails were carried out with 12 currently commonly used herbicides.The results revealed that 40% Carfentrazone-ethyl WG was the best in controlling the three target weeds and the total weed plant reduction was 91.78% after 15 days with 30g(a.i.)·hm-2 sprayed.And 55% tribenuron-methyl·carfenteazone·MCPA-Na WP was the best after 30 days with 412.5g(a.i.)·hm-2 applied,the total weed plant reduction was 96.53% and fresh weight reduction was up to 98.79%.The total weed plant reduction of 58g·L-1 florasulam· flumetsulan SC with 11.8g(a.i.)·hm-2sprayed and the fresh weight reduction of 37% clodinafop-propargyl·bensulfuron-mythyl·carfentrazone WP with 222g(a.i.)·hm-2 sprayed was better,with control effect of 93.59% and 98.76%,respectively.The control efficiency of 30% clopyralid AS with 202.50g(a.i.)·hm-2 sprayed was the lowest in fresh weight reduction,which was only 35.29%.The results also showed that there were individual differences in chemosensitivity of 3 broadleaf weeds for the same d herbicides.Differences were also observed in the damage of the 12 herbicides to wheat.All the treatments were safe to thewheat except that carfentrazone-ethyl or its mixturecan caused contact phytotoxicity decay in wheat plant,and pyroxsulam resulted with yellow leaves.However,the damages were resumable and had no effect on the yield.
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Claims 11
Claim · model-written summary
Carfentrazone reduced weed plants by 91.78% at 15 days.
- Taxon
- winter Wheat
Triticum aestivumt0 - Treatment
- 40% Carfentrazone-ethyl WGe0
- Interactor
- weedse0weed
- Outcome
- total weed plant reductione0
- Direction
- reductione0
- Value
- 91.78%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“40% Carfentrazone-ethyl WG was the best in controlling the three target weeds and the total weed plant reduction was 91.78% after 15 days with 30g(a.i.)·hm-2 sprayed”
t0“winter Wheat”
Claim · model-written summary
The tribenuron mixture reduced weed plants by 96.53% at 30 days.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- 55% tribenuron-methyl·carfenteazone·MCPA-Na WPe0
- Outcome
- total weed plant reductione0
- Direction
- reductione0
- Value
- 96.53%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“55% tribenuron-methyl·carfenteazone·MCPA-Na WP was the best after 30 days with 412.5g(a.i.)·hm-2 applied,the total weed plant reduction was 96.53%”
t0“Winter Wheat”
Claim · model-written summary
The tribenuron mixture reduced weed fresh weight by 98.79%.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- 55% tribenuron-methyl·carfenteazone·MCPA-Na WPe0
- Outcome
- fresh weight reductione0
- Direction
- reductione0
- Value
- 98.79%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“55% tribenuron-methyl·carfenteazone·MCPA-Na WP was the best after 30 days with 412.5g(a.i.)·hm-2 applied,the total weed plant reduction was 96.53% and fresh weight reduction was up to 98.79%”
t0“Winter Wheat”
Claim · model-written summary
Florasulam mixture reduced weed plants by 93.59%.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- 58g·L-1 florasulam· flumetsulan SCe0
- Outcome
- total weed plant reductione0
- Direction
- reductione0
- Value
- 93.59%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total weed plant reduction of 58g·L-1 florasulam· flumetsulan SC with 11.8g(a.i.)·hm-2sprayed and the fresh weight reduction of 37% clodinafop-propargyl·bensulfuron-mythyl·carfentrazone WP with 222g(a.i.)·hm-2 sprayed was better,with control effect of 93.59% and 98.76%,respectively.”
t0“Winter Wheat”
Claim · model-written summary
Clodinafop mixture reduced weed fresh weight by 98.76%.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- 37% clodinafop-propargyl·bensulfuron-mythyl·carfentrazone WPe0
- Outcome
- fresh weight reductione0
- Direction
- reductione0
- Value
- 98.76%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total weed plant reduction of 58g·L-1 florasulam· flumetsulan SC with 11.8g(a.i.)·hm-2sprayed and the fresh weight reduction of 37% clodinafop-propargyl·bensulfuron-mythyl·carfentrazone WP with 222g(a.i.)·hm-2 sprayed was better,with control effect of 93.59% and 98.76%,respectively.”
t0“Winter Wheat”
Claim · model-written summary
Clopyralid had the lowest fresh weight reduction, 35.29%.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- 30% clopyralid ASe0
- Outcome
- fresh weight reductione0
- Direction
- loweste0
- Value
- 35.29%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The control efficiency of 30% clopyralid AS with 202.50g(a.i.)·hm-2 sprayed was the lowest in fresh weight reduction,which was only 35.29%.”
t0“Winter Wheat”
Claim · model-written summary
Weed species differed in herbicide sensitivity.
- Taxon
- Winter WheatTriticum aestivumt0
- Interactor
- broadleaf weedse0weed
- Outcome
- individual differences in chemosensitivity of 3 broadleaf weedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were individual differences in chemosensitivity of 3 broadleaf weeds for the same d herbicides”
t0“Winter Wheat”
Claim · model-written summary
Herbicides differed in damage to wheat.
- Taxon
- wheatTriticum aestivume0
- Outcome
- damage of the 12 herbicides to wheate0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences were also observed in the damage of the 12 herbicides to wheat.”
Claim · model-written summary
Carfentrazone or its mixture caused contact phytotoxicity in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- carfentrazone-ethyl or its mixturee0
- Outcome
- contact phytotoxicity decaye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carfentrazone-ethyl or its mixturecan caused contact phytotoxicity decay in wheat plant”
Claim · model-written summary
Pyroxsulam yellowed wheat leaves.
- Taxon
- Winter WheatTriticum aestivumt0
- Treatment
- pyroxsulame0
- Outcome
- yellow leavese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pyroxsulam resulted with yellow leaves”
t0“Winter Wheat”
Claim · model-written summary
Herbicide damage was reversible and did not affect yield.
- Taxon
- Winter WheatTriticum aestivumt0
- Outcome
- no effect on the yielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the damages were resumable and had no effect on the yield”
t0“Winter Wheat”
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