Abstract
A field experiment entitled “Efficacy of pre and post-emergence herbicides on growth and yield of chickpea (Cicer arietinum L.)” was conducted at Agricultural Research Station, Mandor, Jodhpur during rabi season of 2016-17. Field experiment was laid out in randomized block design (RBD) with sixteen treatments and replicated thrice. Sixteen treatments were tested among that two doses of each herbicides i.e. pendimethalin (0.40 and 0.60 kg a.i./ha), oxyfluorfen (100 and 200 g a.i./ha), imazethapyr (40 and 60 g a.i./ha) with their combinations as pre and post-emergence including weedy check and weed free taken for computing WCE and WI, respectively. According to treatments, different doses of pendimethalin and oxyfluorfen were applied as pre-mergence (within 3 DAS), while imazethapyr was applied as post-emergence (20 DAS). Among treatments, sequential application of pre and post-emergence herbicides i.e. pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DAS (W12) significantly reduced weed density of Chenopodium murale L., Chenopodium album L. and Rumex dentatus L. at 30, 60, 90 DAS and at harvest, that improved the seed yield of chickpea, but it was equally effective with treatment had received pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 40 g a.i. ha-1 at 20 DAS (W11) as pre and post-emergence combination. Although, weed free recorded higher seed yield and showed significant superiority over rest of the weed management treatments, but it was statistically at par with W12 and W11.
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Claims 4
Claim · model-written summary
Sequential pre- and post-emergence herbicides, pendimethalin plus imazethapyr at 60 g a.i. ha-1, significantly reduced weed density of Chenopodium murale, Chenopodium album and Rumex dentatus.
- Taxon
- Chickpea
Cicer arietinumt0 - Treatment
- pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DASe0
- Interactor
- Chenopodium murale
Chenopodiastrum muralee0weed - Second interactor
- Chenopodium album
Chenopodium albume0weed - Outcome
- weed densitye0
- Direction
- reducede0
- Qualifier
- Rumex dentatuse0
- Setting
- Agricultural Research Station, Mandor, Jodhpure1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Dynamics and Yield of Chickpea (Cicer arietinum L.) as Influenced by Pre and Post-Emergence Herbicides”
e0“sequential application of pre and post-emergence herbicides i.e. pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DAS (W12) significantly reduced weed density of Chenopodium murale L., Chenopodium album L. and Rumex dentatus L.”
e1“was conducted at Agricultural Research Station, Mandor, Jodhpur during rabi season of 2016-17”
Claim · model-written summary
Weed-free plots had higher chickpea seed yield and were significantly superior to the other weed management treatments.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- weed freee2
- Outcome
- seed yielde2
- Direction
- highere2
- Comparator
- rest of the weed management treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Dynamics and Yield of Chickpea (Cicer arietinum L.) as Influenced by Pre and Post-Emergence Herbicides”
e2“weed free recorded higher seed yield and showed significant superiority over rest of the weed management treatments”
Claim · model-written summary
Sequential pre- and post-emergence herbicides, pendimethalin plus imazethapyr at 60 g a.i. ha-1, improved chickpea seed yield.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DASe0
- Outcome
- seed yielde3
- Direction
- improvede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Dynamics and Yield of Chickpea (Cicer arietinum L.) as Influenced by Pre and Post-Emergence Herbicides”
e0“sequential application of pre and post-emergence herbicides i.e. pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DAS (W12) significantly reduced weed density of Chenopodium murale L., Chenopodium album L. and Rumex dentatus L.”
e3“that improved the seed yield of chickpea”
Claim · model-written summary
Pendimethalin plus imazethapyr at 40 g a.i. ha-1 was equally effective as the 60 g a.i. ha-1 combination.
- Taxon
- ChickpeaCicer arietinumt0
- Treatment
- pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 40 g a.i. ha-1 at 20 DASe4
- Outcome
- effectivee4
- Direction
- equally effectivee4
- Comparator
- pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DASe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Weed Dynamics and Yield of Chickpea (Cicer arietinum L.) as Influenced by Pre and Post-Emergence Herbicides”
e0“sequential application of pre and post-emergence herbicides i.e. pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 60 g a.i. ha-1 at 20 DAS (W12) significantly reduced weed density of Chenopodium murale L., Chenopodium album L. and Rumex dentatus L.”
e4“it was equally effective with treatment had received pendimethalin @ 0.60 kg a.i. ha-1 (PE) + imazethapyr @ 40 g a.i. ha-1 at 20 DAS”
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