Abstract
A field experiment was conducted to study the effect of sequential and tank mix application of herbicides against complex weed flora and phytotoxicity in maize on loamy sand texture soil during kharif season of the year 2016-17 and 2017-18 at the AICRP on Weed Management Farm, Anand Agricultural University, Anand, Gujarat. The experiment was laid out in a Randomized Block Design (RBD) with four replications. Twelve treatments viz., atrazine 1000 g/ha PE fb IC + HW at 40 DAS, atrazine 1000 g/ha PE fb 2, 4-D (Na salt) 1000 g/ha LPoE, atrazine + pendimethalin (500 + 250 g/ha) PE, atrazine + pendimethalin (500 + 250 g/ha) PE fb IC + HW at 30 DAS, atrazine + halosulfuron methyl (1000 + 75 g/ha) PoE, atrazine + halosulfuron methyl (1000 + 75 g/ha) PoE fb IC + HW at 40 DAS, topramezone + atrazine (25.2 + 500 g/ha) EPoE, topramezone + atrazine (25.2 + 500 g/ha) EPoE fb IC + HW at 40 DAS, tembotrione + atrazine (105 + 250 g/ha) EPoE, tembotrione + atrazine (105 + 250 g/ha) EPoE fb IC + HW at 40 DAS, IC + HW at 20 and 40 DAS and weedy check were studied. The results of the study evidently proved that tank mix application of atrazine 500 g/ha with pendimethalin 250 g/ha pre emergence followed by interculturing + hand weeding at 30 days after sowing or tank mix application topramezone 25.2 g/ha with atrazine 500 g/ha as early post emergence followed interculturing + hand weeding at 40 days after sowing recorded lower weed density, dry weight, WI, WCE and higher grain yield. Application of atrazine alone and tank mix with either pendimethalin or topramezone or tembotrione did not cause any injury except halosulfuron methyl which cause near about 20-30 per cent chlorosis of maize during both the year of extermination.
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Claims 4
Claim · model-written summary
Atrazine plus pendimethalin followed by hand weeding reduced weed measures.
- Treatment
- tank mix application of atrazine 500 g/ha with pendimethalin 250 g/ha pre emergence followed by interculturing + hand weeding at 30 days after sowinge0
- Interactor
- weedt0weed
- Outcome
- weed density, dry weight, WIe0
- Direction
- lowere0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tank mix application of atrazine 500 g/ha with pendimethalin 250 g/ha pre emergence followed by interculturing + hand weeding at 30 days after sowing or tank mix application topramezone 25.2 g/ha with atrazine 500 g/ha as early post emergence followed interculturing + hand weeding at 40 days after sowing recorded lower weed density, dry weight, WI, WCE and higher grain yield”
t0“weed flora and phytotoxicity in kharif maize”
Claim · model-written summary
Topramezone plus atrazine followed by weeding raised grain yield.
- Treatment
- tank mix application topramezone 25.2 g/ha with atrazine 500 g/ha as early post emergence followed interculturing + hand weeding at 40 days after sowinge0
- Outcome
- grain yielde0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tank mix application of atrazine 500 g/ha with pendimethalin 250 g/ha pre emergence followed by interculturing + hand weeding at 30 days after sowing or tank mix application topramezone 25.2 g/ha with atrazine 500 g/ha as early post emergence followed interculturing + hand weeding at 40 days after sowing recorded lower weed density, dry weight, WI, WCE and higher grain yield”
t0“weed flora and phytotoxicity in kharif maize”
Claim · model-written summary
Atrazine alone and mixtures with pendimethalin, topramezone or tembotrione caused no injury.
- Treatment
- Application of atrazine alone and tank mix with either pendimethalin or topramezone or tembotrionee0
- Outcome
- injurye0
- Direction
- did not causee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of atrazine alone and tank mix with either pendimethalin or topramezone or tembotrione did not cause any injury”
t0“maize”
Claim · model-written summary
Halosulfuron methyl caused 20-30 per cent maize chlorosis.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“halosulfuron methyl which cause near about 20-30 per cent chlorosis of maize”
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