Abstract
A field experiment was conducted at Tamil Nadu Agricultural University, Coimbatore during kharif 2015 to investigate the influence of intercropping systems and weed management practices on weed density, dry weight and weed control efficiency in maize under irrigated condition. The experiment was laid out in split plot design and replicated thrice. Three intercropping systems viz., maize alone (I1), maize + blackgram (1:1 ratio) (I2) and maize + blackgram (2:2 ratio) (I3) were evaluated under main plot and four weed management practices viz., unweeded check (Control) 9 (W1), Pendimethalin 0.75 kg ha-1 as pre emergence (PE) 3 DAS + one hand weeding at 25 DAS (W2), Imazethapyr 75 g ha-1 as post emergence (POE) 25 DAS (W3) and Pendimethalin 0.75 kg ha-1 as PE 3 DAS + Imazethapyr 75 g ha-1 as POE 25 DAS (W4) were accommodated under subplot. Observations on weed parameters viz., weed density, weed dry weight and weed control efficiency were recorded. The results of the experiment revealed that among the intercropping systems, maize + blackgram (1:1) intercropping and among weed management practices, pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DAS recorded lesser total weed density and weed dry weight. Maize + blackgram intercropping along with pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DAS recorded higher weed control efficiency. The sole crop of maize recorded higher yield than maize under intercropping systems followed maize + blackgram intercropping at 1:1 ratio.
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Claims 4
Claim · model-written summary
Maize plus blackgram at 1:1 had less total weed density and dry weight.
- Treatment
- maize + blackgram (1:1) intercroppinge0
- Interactor
- weede0weed
- Outcome
- total weed density and weed dry weighte0
- Direction
- lessere0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maize + blackgram (1:1) intercropping and among weed management practices, pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DAS recorded lesser total weed density and weed dry weight.”
Claim · model-written summary
Pendimethalin plus hand weeding reduced total weed density and dry weight.
- Treatment
- pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DASe0
- Interactor
- weede0weed
- Outcome
- total weed density and weed dry weighte0
- Direction
- lessere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DAS recorded lesser total weed density and weed dry weight.”
t0“Maize”
Claim · model-written summary
Maize plus blackgram and pendimethalin plus hand weeding increased weed control efficiency.
- Treatment
- Maize + blackgram intercropping along with pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DASe0
- Interactor
- weede0weed
- Outcome
- weed control efficiencye0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maize + blackgram intercropping along with pendimethalin 0.75 kg ha-1 as PE 3 DAS + one HW 25 DAS recorded higher weed control efficiency.”
Claim · model-written summary
Sole maize yielded more than intercropped maize, followed by the 1:1 intercrop.
- Treatment
- sole crop of maizee0
- Outcome
- yielde0
- Direction
- highere0
- Comparator
- maize under intercropping systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sole crop of maize recorded higher yield than maize under intercropping systems followed maize + blackgram intercropping at 1:1 ratio.”
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