Abstract
Fodder maize is palatable and nutritious which can be fed as green or dry and makes excellent silage. But it is heavily infested with weeds which often inflicts huge yield and quality losses. A field experiment was conducted at Indira Gandhi Krishi Vishwavidyalaya, Raipur during Kharif 2017. Results showed that the lowest weed density and dry weight was recorded in tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence followed by hand weeding twice at 20 and 40 days after sowing and topramezone 35 g + atrazine 250 g ha-1 as post emergence. These herbicides also recorded higher weed control efficiency (93-95%) and the lowest weed index (1-2%). Highest green and dry fodder yield were also obtained with the tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence followed by hand weeding twice at 20 and 40 days after sowing and topramezone 35 g + atrazine 250 g ha-1 as post emergence. Similarly, crude protein yield was also highest under these combinations. Among herbicides, the highest net returns (Rs 41768 ha-1) and benefit: cost ratio (2.68) were also highest with tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence followed by hand weeding twice at 20 and 40 days after sowing and topramezone 35 g + atrazine 250 g ha-1 as post emergence. Thus, this study suggests tank-mixed herbicide application for better weed control in fodder maize rather than their sole application. These combinations of herbicides may be the alternative of manual weeding.
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Claims 8
Claim · model-written summary
The atrazine and pendimethalin tank mix gave the lowest weed density and dry weight, with hand weeding and topramezone plus atrazine following.
- Taxon
- fodder maizee0
- Treatment
- atrazine 750 g + pendimethalin 750 g ha-1 as pre emergencee1
- Interactor
- weede1weed
- Outcome
- weed density and dry weighte1
- Direction
- loweste1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“the lowest weed density and dry weight was recorded in tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence followed by hand weeding twice at 20 and 40 days after sowing and topramezone 35 g + atrazine 250 g ha-1 as post emergence”
Claim · model-written summary
The herbicides achieved 93–95% weed control efficiency.
- Taxon
- fodder maizee0
- Treatment
- These herbicidese1
- Interactor
- weede1weed
- Outcome
- weed control efficiencye1
- Direction
- highere1
- Value
- 93-95%e1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“These herbicides also recorded higher weed control efficiency (93-95%)”
Claim · model-written summary
The herbicides yielded a weed index of 1–2%.
- Taxon
- fodder maizee0
- Treatment
- These herbicidese1
- Interactor
- weede1weed
- Outcome
- weed indexe1
- Direction
- loweste1
- Value
- 1-2%e1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“These herbicides also recorded higher weed control efficiency (93-95%) and the lowest weed index (1-2%)”
Claim · model-written summary
The tank mix, hand weeding, and topramezone plus atrazine treatments gave the highest green and dry fodder yield.
- Taxon
- fodder maizee0
- Treatment
- atrazine 750 g + pendimethalin 750 g ha-1 as pre emergencee1
- Outcome
- green and dry fodder yielde1
- Direction
- Higheste1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“Highest green and dry fodder yield were also obtained with the tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence followed by hand weeding twice at 20 and 40 days after sowing and topramezone 35 g + atrazine 250 g ha-1 as post emergence”
Claim · model-written summary
These weed management combinations had the highest crude protein yield.
Not reportedComparator
Verbatim
e0“fodder maize”
e1“crude protein yield was also highest under these combinations”
Claim · model-written summary
The tank mix treatment produced the highest net returns among herbicides.
- Taxon
- fodder maizee0
- Treatment
- atrazine 750 g + pendimethalin 750 g ha-1 as pre emergencee1
- Outcome
- net returnse1
- Direction
- higheste1
- Value
- Rs 41768 ha-1e1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“the highest net returns (Rs 41768 ha-1) and benefit: cost ratio (2.68) were also highest with tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence”
Claim · model-written summary
The tank mix treatment had the highest benefit: cost ratio among herbicides.
- Taxon
- fodder maizee0
- Treatment
- atrazine 750 g + pendimethalin 750 g ha-1 as pre emergencee1
- Outcome
- benefit: cost ratioe1
- Direction
- higheste1
- Value
- 2.68e1
Not reportedComparator
Verbatim
e0“fodder maize”
e1“benefit: cost ratio (2.68) were also highest with tank mix application of atrazine 750 g + pendimethalin 750 g ha-1 as pre emergence”
Claim · model-written summary
The authors recommend tank-mixed herbicides for weed control in fodder maize as an alternative to manual weeding.
Verbatim
e0“fodder maize”
e1“this study suggests tank-mixed herbicide application for better weed control in fodder maize rather than their sole application”
e2“These combinations of herbicides may be the alternative of manual weeding”
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