Abstract
A field study was conducted during Spring and rainy (Kharif) season of 2017 at N.E. Borlaug Crop Research Centre of G.B. Pant University of Agriculture and Technology, Pantnagar U.S. Nagar, Uttarakhand, India to evaluate the effective dose of nicosulfuron for weed control in maize while assessing its effect on growth and yield of maize along with its residual effect on succeeding pea and cowpea fodder. Eight treatments were tested which include: post-emergence application (PoE) of nicosulfuron at different doses (30, 36, 42 and 50 g/ha), tembotrione 120 g/ha PoE, pre-emergence application (PE) of atrazine 1000 g/ha, hand weeding twice at 20 and 40 days after seeding (DAS) and weedy check. The weed community during both the seasons in the experimental area consisted of, grassy weeds: Phalaris minor, Eleusine indica, Digitaria sanguinalis, Echinochloa colona and Panicum maximum, broad-leaved weeds (BLW): Trianthema monogyna, Chenopodium album, Phyllanthus niruri, Parthenium hysterophorus and Mallugo stricta and a sedge Cyperus rotundus. Nicosulfuron at 50 g/ha resulted in 50-100% weed control, depending on the weed species. Nicosulfuron at 50 and 42 g/ha were equally effective in increasing grain yield of maize when compared with tembotrione and was found superior over atrazine during both the season. No phytotoxic symptoms on maize and no residual effect on succeeding pea and cowpea fodder crop were observed, at any doses of nicosulfuron. Hence, nicosulfuron at 42 g/ha PoE may be safely used for effective weed management and improved yield of maize.
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Claims 7
Claim · model-written summary
Nicosulfuron at 50 g/ha controlled 50–100% of weeds depending on species.
Zea maysNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nicosulfuron at 50 g/ha resulted in 50-100% weed control, depending on the weed species”
t0“Bio-efficacy of nicosulfuron against mixed weed flora in maize and its residual effect on succeeding crops”
Claim · model-written summary
Nicosulfuron at 50 g/ha increased maize grain yield as effectively as tembotrione and more than atrazine.
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nicosulfuron at 50 and 42 g/ha were equally effective in increasing grain yield of maize when compared with tembotrione and was found superior over atrazine during both the season”
Claim · model-written summary
Nicosulfuron at 42 g/ha increased maize grain yield as effectively as tembotrione and more than atrazine.
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nicosulfuron at 50 and 42 g/ha were equally effective in increasing grain yield of maize when compared with tembotrione and was found superior over atrazine during both the season”
Claim · model-written summary
No phytotoxic symptoms were observed on maize at any nicosulfuron dose.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No phytotoxic symptoms on maize and no residual effect on succeeding pea and cowpea fodder crop were observed, at any doses of nicosulfuron”
Claim · model-written summary
No residual effect of nicosulfuron was observed on succeeding pea fodder.
- Taxon
- pea
Lathyrus oleraceuse0 - Treatment
- nicosulfurone0
- Outcome
- no residual effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no residual effect on succeeding pea and cowpea fodder crop were observed, at any doses of nicosulfuron”
Claim · model-written summary
No residual effect of nicosulfuron was observed on succeeding cowpea fodder.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- nicosulfurone0
- Outcome
- no residual effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no residual effect on succeeding pea and cowpea fodder crop were observed, at any doses of nicosulfuron”
Claim · model-written summary
The authors recommend nicosulfuron at 42 g/ha after emergence for effective weed management and higher maize yield.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“nicosulfuron at 42 g/ha PoE may be safely used for effective weed management and improved yield of maize”
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