2020
DOI: 10.22271/chemi.2020.v8.i1ap.8685
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Square formation, boll retention, yield and quality parameters of Bt and non-Bt cotton in relation to plant density and NPK levels

Abstract: A Two year experiment was conducted to study the effect of plant densities and NPK levels on Bt and non-Bt cotton in split plot with four replications. The result shows that non-Bt cotton produced taller plant, more monopodia and sympodia, higher leaf area index (LAI). Whereas, Bt cotton had maximum specific leaf weight (SLW), net assimilation rate (NAR), square formation rate (SFR), fruit production efficiency (FPE), boll retention efficiency (BRE), boll growth rate, yield attributes and thus produced higher … Show more

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Cited by 4 publications
(3 citation statements)
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“…Improvement in growth rate due to application of higher level of fertilizers along with organics resulted in higher growth than with no fertilizer. Similar results were reported by Sabale et al [16] and Thakur [20].…”
Section: Absolute Growth Rate (Cm Day -1 )supporting
confidence: 91%
See 1 more Smart Citation
“…Improvement in growth rate due to application of higher level of fertilizers along with organics resulted in higher growth than with no fertilizer. Similar results were reported by Sabale et al [16] and Thakur [20].…”
Section: Absolute Growth Rate (Cm Day -1 )supporting
confidence: 91%
“…The NAR decreased continuously from 90 DAS until harvest in both genotypes and decrease NAR at later stages could be due to mutual shading of leaves. Higher values of NAR in Bt cotton at all intervals was the result of retention of more numbers of bolls at an early stage compared to non-Bt Thakur [20] and Sabale et al [16].…”
Section: Net Assimilation Rate (G CM -2 D -1 )mentioning
confidence: 75%
“…Whereas, at 60 DAS significantly longest root was observed in Bt hybrid, however at 90 DAS corresponding result was obtained in non-Bt. Significant improvement in root length at 90 DAS in non-Bt version might be due to less fruit production and boll retention efficiency (Thakur, 2020) owing to bollworm damage (Thakur et al, 2018) which diverted assimilates for shoot and root growth. The higher root length densities and root length per unit area in non-Bt version than Bt was also reported by Tan et al (2012).…”
Section: Effect Of Cotton Hybridsmentioning
confidence: 99%