Abstract
The study was conducted to evaluate the performance of thirty-six Basmati rice genotypes for yield and its related traits under direct-seeded rice (DSR), system of rice intensification (SRI), chemical-free cultivation (CFC), and conventional transplanted rice (TPR).The genotypes were evaluated for two years at two locations in randomized block design with three replications. Genotype Pusa Basmati 1121 scored highest ~22% yield increase in system of rice intensification method over transplanted rice followed by Pusa Basmati 1 (~20%) genotypes HKR 11-447 (~18 %). Genotype Pusa Basmati 1, Pusa Basmati 1637-2-8-20-5 and Pusa Basmati1734-8-3-85 produced 8-16 % higher yield in chemical-free cultivation in comparison to TPR. Genotypes HKR 98-476, CSR 30, PAU 6297-1 yielded equally in DSR as well as in TPR. All the genotypes under study showed earlier flowering and maturity in DSR followed by SRI and TPR=CFC. Pusa Basmati 1509recordedthe earliest flowering across the environments. Most of the genotypes showed an increase in panicle weight, number of tillers per plant, number of spikelets per panicle, percent filled spikelets, Biological yield, and grain yield under SRI over other methods of rice crop establishment. Among different methods, SRI was found best than TPR, CFC, and DSR (wet).
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Claims 11
Claim · model-written summary
Pusa Basmati 1121 yield increased about 22% under SRI versus transplanted rice.
Verbatim
t0“basmati rice”
e0“Pusa Basmati 1121 scored highest ~22% yield increase in system of rice intensification method over transplanted rice”
Claim · model-written summary
Pusa Basmati 1 yielded about 20% more under SRI versus transplanted rice.
Verbatim
t0“basmati rice”
e0“Pusa Basmati 1 (~20%) genotypes HKR 11-447 (~18 %)”
t1“yield increase in system of rice intensification method over transplanted rice”
Claim · model-written summary
HKR 11-447 yielded about 18% more under SRI versus transplanted rice.
Verbatim
t0“basmati rice”
t1“yield increase in system of rice intensification method over transplanted rice”
e0“HKR 11-447 (~18 %)”
Claim · model-written summary
Three named genotypes yielded 8-16% more under chemical-free cultivation than TPR.
Verbatim
t0“basmati rice”
e0“Pusa Basmati 1, Pusa Basmati 1637-2-8-20-5 and Pusa Basmati1734-8-3-85 produced 8-16 % higher yield in chemical-free cultivation in comparison to TPR”
Claim · model-written summary
HKR 98-476, CSR 30 and PAU 6297-1 yielded equally in DSR and TPR.
Verbatim
t0“basmati rice”
e0“HKR 98-476, CSR 30, PAU 6297-1 yielded equally in DSR as well as in TPR”
Claim · model-written summary
Genotypes flowered earlier in DSR, followed by SRI, then TPR and CFC.
Verbatim
t0“basmati rice”
e0“earlier flowering and maturity in DSR followed by SRI and TPR=CFC”
Claim · model-written summary
Genotypes matured earlier in DSR, followed by SRI, then TPR and CFC.
Verbatim
t0“basmati rice”
e0“earlier flowering and maturity in DSR followed by SRI and TPR=CFC”
Claim · model-written summary
Pusa Basmati 1509 flowered earliest across environments.
Verbatim
t0“basmati rice”
e0“Pusa Basmati 1509recordedthe earliest flowering across the environments”
Claim · model-written summary
Most genotypes had increased panicle weight, tillers and spikelets under SRI.
Verbatim
t0“basmati rice”
e0“increase in panicle weight, number of tillers per plant, number of spikelets per panicle, percent filled spikelets, Biological yield, and grain yield under SRI over other methods”
Claim · model-written summary
Most genotypes had increased filled spikelets, biological yield and grain yield under SRI.
Verbatim
t0“basmati rice”
e0“increase in panicle weight, number of tillers per plant, number of spikelets per panicle, percent filled spikelets, Biological yield, and grain yield under SRI over other methods”
Claim · model-written summary
SRI was judged best among the tested establishment methods.
Verbatim
t0“basmati rice”
e0“SRI was found best than TPR, CFC, and DSR (wet)”
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