Abstract
The field experiments were conducted to study the effect of pre and post emergence herbicide with mechanical weeding on growth and yield of direct-seeded rice (DSR) at Regional Research Station, Tamil Nadu Agricultural University, Paiyur, Tamil Nadu, India in Navarai seasons of 2015 - 2016 and 2016 - 2017 in randomized block design with three replications. The weed management practices, viz. PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1) at 2 - 3 leaf stage of weed recorded higher grain and straw yield of 5702 and 6047 kg ha-1 respectively followed by PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 recorded grain and straw yield of 5531 and 5865 kg ha-1 respectively. Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively. With respect to economic analysis, application of PE Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS +POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1) recorded higher gross income of Rs. 83218, net income of Rs. 47657 with the BC ratio of 2.33 followed by PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 at 2 - 3 leaf stage of weed recorded gross income of Rs. 80703, net income of Rs. 44970 with the BC ratio of 2.25. Control (Unweeded check) recorded lower gross income of Rs. 60808, net income of Rs. 30254 with the BC ratio of 1.98 The crop growth parameters like germination (%), plant height and no. of tillers and yield attributes (no. of panicle (m-2), Panicle length (cm), no. of grains panicle-1,no. of in filled grains panicle-1,test weight(g),grain yield (kg ha-1) and straw yield (kg ha-1) were also highest in this weed management practice.
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Claims 18
Claim · model-written summary
The first herbicide sequence gave higher grain yield of 5702 kg ha-1.
- Taxon
- rice
Oryza sativae0 - Treatment
- PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Interactor
- weede1weed
- Outcome
- grain and straw yielde1
- Direction
- highere1
- Value
- 5702e1
- Comparator
- Control (Unweeded check)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1) at 2 - 3 leaf stage of weed recorded higher grain and straw yield of 5702 and 6047 kg ha-1 respectively”
e2“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
The first herbicide sequence gave higher straw yield of 6047 kg ha-1.
- Taxon
- riceOryza sativae0
- Treatment
- PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Interactor
- weede1weed
- Outcome
- straw yielde1
- Direction
- highere1
- Value
- 6047 kg ha-1e1
- Comparator
- Control (Unweeded check)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1) at 2 - 3 leaf stage of weed recorded higher grain and straw yield of 5702 and 6047 kg ha-1 respectively”
e2“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
The second herbicide sequence yielded 5531 kg ha-1 grain.
- Taxon
- riceOryza sativae0
- Treatment
- PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Outcome
- grain and straw yielde1
- Direction
- lowere2
- Value
- 5531e1
- Comparator
- Control (Unweeded check)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 recorded grain and straw yield of 5531 and 5865 kg ha-1 respectively”
e2“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
The second herbicide sequence yielded 5865 kg ha-1 straw.
- Taxon
- riceOryza sativae0
- Treatment
- PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Outcome
- straw yielde1
- Direction
- lowere2
- Value
- 5865 kg ha-1e1
- Comparator
- Control (Unweeded check)e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Pretilachlor 50% EC @ 0.5 kg ha-1 + PE Pyrazosulfuron ethyl 10% WP @ 10 g ha-1 at 7 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 recorded grain and straw yield of 5531 and 5865 kg ha-1 respectively”
e2“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
The first practice had higher gross income of Rs. 83218.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“(T1) recorded higher gross income of Rs. 83218, net income of Rs. 47657 with the BC ratio of 2.33”
Claim · model-written summary
The first practice had net income of Rs. 47657.
- Taxon
- riceOryza sativae0
- Outcome
- net incomee1
- Value
- Rs. 47657e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“(T1) recorded higher gross income of Rs. 83218, net income of Rs. 47657 with the BC ratio of 2.33”
Claim · model-written summary
The first practice had a BC ratio of 2.33.
- Taxon
- riceOryza sativae0
- Outcome
- BC ratioe1
- Value
- 2.33e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“(T1) recorded higher gross income of Rs. 83218, net income of Rs. 47657 with the BC ratio of 2.33”
Claim · model-written summary
The second practice had gross income of Rs. 80703.
- Taxon
- riceOryza sativae0
- Outcome
- gross incomee1
- Value
- Rs. 80703e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“recorded gross income of Rs. 80703, net income of Rs. 44970 with the BC ratio of 2.25”
Claim · model-written summary
The second practice had net income of Rs. 44970.
- Taxon
- riceOryza sativae0
- Outcome
- net incomee1
- Value
- Rs. 44970e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“recorded gross income of Rs. 80703, net income of Rs. 44970 with the BC ratio of 2.25”
Claim · model-written summary
The second practice had a BC ratio of 2.25.
- Taxon
- riceOryza sativae0
- Outcome
- BC ratioe1
- Value
- 2.25e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“recorded gross income of Rs. 80703, net income of Rs. 44970 with the BC ratio of 2.25”
Claim · model-written summary
Unweeded control had lower grain yield of 4149 kg ha-1.
- Taxon
- riceOryza sativae0
- Outcome
- grain and straw yielde1
- Direction
- lowere1
- Value
- 4149e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
Unweeded control had lower straw yield of 4614 kg ha-1.
- Taxon
- riceOryza sativae0
- Outcome
- straw yielde1
- Direction
- lowere1
- Value
- 4614 kg ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“Control (Unweeded check) recorded lower grain and straw yield of 4149 and 4614 kg ha-1 respectively”
Claim · model-written summary
Unweeded control had lower gross income of Rs. 60808.
- Taxon
- riceOryza sativae0
- Outcome
- gross incomee1
- Direction
- lowere1
- Value
- Rs. 60808e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“Control (Unweeded check) recorded lower gross income of Rs. 60808, net income of Rs. 30254 with the BC ratio of 1.98”
Claim · model-written summary
Unweeded control had net income of Rs. 30254.
- Taxon
- riceOryza sativae0
- Outcome
- net incomee1
- Value
- Rs. 30254e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“Control (Unweeded check) recorded lower gross income of Rs. 60808, net income of Rs. 30254 with the BC ratio of 1.98”
Claim · model-written summary
Unweeded control had a BC ratio of 1.98.
- Taxon
- riceOryza sativae0
- Outcome
- BC ratioe1
- Value
- 1.98e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“Control (Unweeded check) recorded lower gross income of Rs. 60808, net income of Rs. 30254 with the BC ratio of 1.98”
Claim · model-written summary
The first weed management practice gave the highest germination, plant height and tiller number.
- Taxon
- riceOryza sativae0
- Treatment
- PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Outcome
- germination (%), plant height and no. of tillerse2
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1)”
e2“The crop growth parameters like germination (%), plant height and no. of tillers and yield attributes (no. of panicle (m-2), Panicle length (cm), no. of grains panicle-1,no. of in filled grains panicle-1,test weight(g),grain yield (kg ha-1) and straw yield (kg ha-1) were also highest in this weed management practice”
Claim · model-written summary
The first weed management practice gave the highest panicle number, panicle length and grains per panicle.
- Taxon
- riceOryza sativae0
- Treatment
- PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Outcome
- no. of panicle (m-2), Panicle length (cm), no. of grains panicle-1e2
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1)”
e2“no. of panicle (m-2), Panicle length (cm), no. of grains panicle-1,no. of in filled grains panicle-1,test weight(g),grain yield (kg ha-1) and straw yield (kg ha-1) were also highest in this weed management practice”
Claim · model-written summary
The first weed management practice gave the highest unfilled grains per panicle and test weight.
- Taxon
- riceOryza sativae0
- Treatment
- PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1e1
- Outcome
- no. of in filled grains panicle-1,test weight(g)e2
- Direction
- higheste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“direct-seeded rice (DSR)”
e1“PE Application of Pyrazosulfuron ethyl 10% WP @ 20 g ha-1 at 3 DAS + POE Bispyribac sodium 10% EC @ 25 g ha-1 (T1)”
e2“no. of in filled grains panicle-1,test weight(g),grain yield (kg ha-1) and straw yield (kg ha-1) were also highest in this weed management practice”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.