Abstract
An experiment was carried out during kharif 2018 to evaluate the effect of imazethapyr and pendimethalin on the growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya, district Shaheed Bhagat Singh Nagar. The experiment was laid out in Randomized Complete Block Design (RCBD) consisting of 6 treatments viz, T1-pendimethalin @ 750 g a.i.//ha as pre-emergence; T2pendimethalin @ 750 g a.i.//ha as pre-emergence followed by imazethapyr @ 37.5 g a.i.//ha at 25–30 DAS; T3-pendimethalin @ 750 g a.i.//ha as pre-emergence followed by imazethapyr @ 50 g a.i.//ha at 25–30 DAS; T4-pendimethalin @ 750 g a.i.//ha as pre-emergence followed by imazethapyr @ 62.5 g a.i.//ha at 25–30 DAS; T5-pendimethalin @ 750 g a.i.//ha as pre-emergence followed by imazethapyr @ 75 g a.i.//ha at 25–30 DAS; T6-weed free (manual weeding) with four replications. Post-emergence application of imazethapyr @ 75 g a.i./ha after pre-emergence application of pendimethalin @ 750 g a.i./ha resulted in significant decrease in weed density, weed dry matter, highest weed control efficiency and weed control index relative to other herbicide treatments. Post-emergence application of imazethapyr @ 62.5g a.i./ha resulted in significantly higher number of pods/plant followed by of imazethapyr @ 75 g a.i./ha. A non-significant difference between pod length, 100 seed weight and seeds/pod were observed. Form the study it can be concluded that farmers can go for pre-emergence application of pendimethalin @ 750g a.i./ha followed by post-emergence application of imazethapyr @ 62.5g a.i./ha at 25–30 DAS for better weed management and higher seed yield.
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Claims 5
Claim · model-written summary
Post-emergence imazethapyr at 75 g a.i./ha after pendimethalin significantly decreased weed density and weed dry matter relative to other herbicide treatments in greengram
- Taxon
- greengram
.jpg?width=60)
Vigna radiata var. radiatae0 - Treatment
- Post-emergence application of imazethapyr @ 75 g a.i./hae1
- Interactor
- weede1weed
- Outcome
- weed density, weed dry mattere1
- Direction
- significant decreasee1
- Comparator
- other herbicide treatmentse1
- Setting
- instructional farm of Krishi Vigyan Kendra Langroyae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya”
e1“Post-emergence application of imazethapyr @ 75 g a.i./ha after pre-emergence application of pendimethalin @ 750 g a.i./ha resulted in significant decrease in weed density, weed dry matter, highest weed control efficiency and weed control index relative to other herbicide treatments”
Claim · model-written summary
Post-emergence imazethapyr at 75 g a.i./ha gave the highest weed control efficiency and weed control index in greengram
- Taxon
- greengramVigna radiata var. radiatae0
- Treatment
- Post-emergence application of imazethapyr @ 75 g a.i./hae1
- Interactor
- weede1weed
- Outcome
- weed control efficiency and weed control indexe1
- Direction
- higheste1
- Comparator
- other herbicide treatmentse1
- Setting
- instructional farm of Krishi Vigyan Kendra Langroyae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya”
e1“Post-emergence application of imazethapyr @ 75 g a.i./ha after pre-emergence application of pendimethalin @ 750 g a.i./ha resulted in significant decrease in weed density, weed dry matter, highest weed control efficiency and weed control index relative to other herbicide treatments”
Claim · model-written summary
Post-emergence imazethapyr at 62.5 g a.i./ha significantly increased pods per plant in greengram relative to 75 g a.i./ha
- Taxon
- greengramVigna radiata var. radiatae0
- Treatment
- Post-emergence application of imazethapyr @ 62.5g a.i./hae2
- Outcome
- number of pods/plante2
- Direction
- significantly highere2
- Comparator
- imazethapyr @ 75 g a.i./hae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya”
e2“Post-emergence application of imazethapyr @ 62.5g a.i./ha resulted in significantly higher number of pods/plant followed by of imazethapyr @ 75 g a.i./ha”
Claim · model-written summary
Pod length, 100 seed weight and seeds per pod showed no significant difference among greengram herbicide treatments
- Taxon
- greengramVigna radiata var. radiatae0
- Outcome
- pod length, 100 seed weight and seeds/pode3
- Direction
- non-significant differencee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya”
e3“A non-significant difference between pod length, 100 seed weight and seeds/pod were observed”
Claim · model-written summary
Farmers can use pre-emergence pendimethalin at 750 g a.i./ha followed by post-emergence imazethapyr at 62.5 g a.i./ha for better weed management and higher seed yield (authors recommendation)
- Taxon
- greengramVigna radiata var. radiatae0
- Outcome
- pre-emergence application of pendimethalin @ 750g a.i./ha followed by post-emergence application of imazethapyr @ 62.5g a.i./hae4
- Qualifier
- for better weed management and higher seed yielde4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“growth and productivity of greengram at the instructional farm of Krishi Vigyan Kendra Langroya”
e4“Form the study it can be concluded that farmers can go for pre-emergence application of pendimethalin @ 750g a.i./ha followed by post-emergence application of imazethapyr @ 62.5g a.i./ha at 25–30 DAS for better weed management and higher seed yield”
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