Abstract
Despite multiple benefits of dry direct seeded rice (DDSR), weed control remains one of the major challenges for its success. A field experiment was conducted at Regional Agricultural Research Station, Parwanipur, Bara during rainy season of 2010 and 2011in randomized complete block design with four replications to evaluate effectiveness of different weed management practices; weedy, weed free and other five practices with pre and post-emergence herbicides; Pendimethalin, Pyrazosulfuron, Penoxsulam, Bispyribac, Azimsulfuran, 2,4-D, plus one to two hand weeding on the performance of DDSR. Results showed that plant growth, yield and yield attributing parameters and weed dynamics were significantly affected and the trend of higher production and lower weed dynamic in different growing stage of DDSR was obtained. Among the weed control practices, application of pendimethalin (1 kg.a.i /ha.) followed by (fb) 2,4-D 1 kg a.i./ha at 25 and hand weeding 45 days after sowing was found the best for obtaining higher yield and weed control efficiency in DDSR.
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Claims 3
Claim · model-written summary
Weed management significantly affected growth, yield and weed dynamics.
- Taxon
- Oryza sativa L.
Oryza sativat0 - Treatment
- weed management practicese1
- Outcome
- plant growth, yield and yield attributing parameters and weed dynamicse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant growth, yield and yield attributing parameters and weed dynamics were significantly affected”
t0“Oryza sativa L.”
e1“weed management practices”
Claim · model-written summary
Pendimethalin followed by 2,4-D and hand weeding gave higher yield.
- Taxon
- Oryza sativa L.Oryza sativat0
- Treatment
- application of pendimethalin (1 kg.a.i /ha.) followed by (fb) 2,4-D 1 kg a.i./ha at 25 and hand weeding 45 days after sowinge0
- Outcome
- yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of pendimethalin (1 kg.a.i /ha.) followed by (fb) 2,4-D 1 kg a.i./ha at 25 and hand weeding 45 days after sowing was found the best for obtaining higher yield and weed control efficiency in DDSR”
t0“Oryza sativa L.”
Claim · model-written summary
The same practice gave the best weed control efficiency.
- Taxon
- Oryza sativa L.Oryza sativat0
- Treatment
- application of pendimethalin (1 kg.a.i /ha.) followed by (fb) 2,4-D 1 kg a.i./ha at 25 and hand weeding 45 days after sowinge0
- Outcome
- weed control efficiencye0
- Direction
- beste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of pendimethalin (1 kg.a.i /ha.) followed by (fb) 2,4-D 1 kg a.i./ha at 25 and hand weeding 45 days after sowing was found the best for obtaining higher yield and weed control efficiency in DDSR”
t0“Oryza sativa L.”
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