Abstract
Field experiments were conducted in 2013 during main cropping season at Ambo and Guder to determine the effect of different post and pre emergency herbicides application on weed dynamics in maize (Zea mays L.) variety, BH-660 in randomized complete block design with three replications. Six treatments including Nicosulfuron (Arrow 75 WDG) at 0.09 kg ha-1+ silwet gold (adjuvant) at 0.10%, S-metolachlor 290 + Atrazine (Primagram) at 3.00 kg ha-1, s-metolachlor (dual gold) 1.5 kgha-1, hand weeding as standard check and weedy check as control were used. Effect of different herbicides on weed density was significant. The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2). But, the maximum was recorded in weedy check (14.16 m-2). However, no significant difference was observed between Nicosulfuron and Primagram. The minimum dry weight of weeds (0.77 gm-2) was observed in hand weeding and hoeing followed by Nicosulfuron which is not significantly different from s-metolachlor. Moreover, those treatments also significantly increased the yield and yield component of maize. This is an indication of the reliability and promise as well as the exhibition of the great potential of the Nicosulfuron is the effective control of the weeds and enhancing yield of maize in Guder and Ambo, Ethiopia.
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Claims 9
Claim · model-written summary
Different herbicides significantly affected weed density in maize.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e2“Effect of different herbicides on weed density was significant”
Claim · model-written summary
Hand weeding and hoeing gave the lowest weed density in maize (3.12 m-2).
- Treatment
- hand weeding and hoeinge1
- Interactor
- weede1weed
- Outcome
- weed densitye1
- Direction
- loweste1
- Value
- 3.12 m-2e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e1“The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2)”
Claim · model-written summary
Nicosulfuron left weed density at 18.67 m-2 in maize.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e1“The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2)”
Claim · model-written summary
Primagram left weed density at 3.88 m-2 in maize.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e1“The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2)”
Claim · model-written summary
The weedy check had the maximum weed density in maize (14.16 m-2).
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e1“The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2)”
e4“But, the maximum was recorded in weedy check (14.16 m-2)”
Claim · model-written summary
Nicosulfuron and Primagram did not differ significantly in weed density in maize.
- Treatment
- Nicosulfurone3
- Outcome
- weed densitye1
- Direction
- no significant differencee3
- Comparator
- Primagrame3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e1“The lowest weed density was recorded in plot treated with hand weeding and hoeing (3.12 m-2) followed by Nicosulfuron (18.67 m-2) and Primagram (3.88 m-2)”
e3“However, no significant difference was observed between Nicosulfuron and Primagram”
Claim · model-written summary
Hand weeding and hoeing gave the minimum dry weight of weeds (0.77 gm-2) in maize.
- Treatment
- hand weeding and hoeinge5
- Interactor
- weedse5weed
- Outcome
- dry weight of weedse5
- Direction
- minimume5
- Value
- 0.77 gm-2e5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e5“The minimum dry weight of weeds (0.77 gm-2) was observed in hand weeding and hoeing followed by Nicosulfuron which is not significantly different from s-metolachlor”
Claim · model-written summary
Nicosulfuron and s-metolachlor did not differ significantly in weed dry weight in maize.
- Treatment
- Nicosulfurone5
- Interactor
- weedse5weed
- Outcome
- dry weight of weedse5
- Direction
- not significantly differente5
- Comparator
- s-metolachlore5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e5“The minimum dry weight of weeds (0.77 gm-2) was observed in hand weeding and hoeing followed by Nicosulfuron which is not significantly different from s-metolachlor”
Claim · model-written summary
Hand weeding and hoeing followed by Nicosulfuron significantly increased the yield and yield components of maize.
- Treatment
- hand weeding and hoeing followed by Nicosulfurone6
- Outcome
- yield and yield component of maizee6
- Direction
- increasede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Management of Weeds in Maize (Zea mays L.)”
e6“hand weeding and hoeing followed by Nicosulfuron which is not significantly different from s-metolachlor. Moreover, those treatments also significantly increased the yield and yield component of maize”
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