Efficiency of some herbicides and manual weeding for weed control in irrigated Bt cotton

Mathukia, R. K.; Sagarka, B. K.; Mathukia, P.R.; Savaliya, N.V.

doi:10.18805/ijare.a-4963

Cited by 3 publications

(3 citation statements)

References 1 publication

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“…This might be due to the efficient weed management strategy introduced by integrated method which can control a major number of weeds associated with crop throughout its growing period. The same findings are also reported by Malarkodi (2017) and Mathukia et al (2018).…”

Section: Results and Discussion A Weed Index (%)supporting

confidence: 89%

Influence of Integrated Weed Management in Bt Cotton (Gossypium hirsutum L.) over Sole Method

Sreena¹

2019

IJRASET

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A field experiment was conducted during Kharif of 2018-19 at agricultural college farm UAS raichur, Karnataka, to study the effect of integrated weed management in Bt cotton over sole method. The experiment was laid out in RCBD consists of 10 treatments with three replications. Among all the treatments Pendimethalin PE @ 1.0 kg ha -1 fb Pyrithiobac Sodium PoE @ 75 g ha -1 at 45 DAS + one interculturing through mechanical weeder at 60 DAS was recorded significantly lower weed index at harvest (4.13 %), higher herbicide efficiency index at harvest (4.55 %), higher seed cotton yield (25.23 q ha -1 ) and zero crop phytotoxicity. Keywords: Crop phytotoxicity, Herbicide efficiency index, Integrated weed management, Seed cotton yied and Weed indexI.

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Section: Results and Discussion A Weed Index (%)supporting

confidence: 89%

Influence of Integrated Weed Management in Bt Cotton (Gossypium hirsutum L.) over Sole Method

Sreena¹

2019

IJRASET

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“…Further, the enhanced availability of metabolites might have promoted better translocation of assimilates to the sink and resulted in improved stature of yield attributes and ultimately higher yield. These findings are in agreement with Mathukia et al (2014) and Jain et al (2018).…”

Section: Yield Attributes and Yieldsupporting

confidence: 91%

Performance of Groundnut (Arachis hypogaea L.) as Influenced by Integrated Nutrient Management Under Fertigation

Sunitha¹,

Reddy²,

Reddy³

et al. 2023

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Background: Groundnut (Arachs hypogeae) is a prominent legume vegetable oil seed crop in India and it’s lower productivity is a matter of concern attributed to the major constraints of inefficient irrigation and nutrient management in rabi season. Fertigation is the recent innovative gearing up technology in which the nutrients are applied in précised quantity along with drip irrigation at regular intervals throughout the crop growth matching with their requirement, resulting in enhanced resource use efficiency and crop yields. Liquid formulations of biofertilizers can be diluted sufficiently and applied through drip irrigation uniformly to the root zone of crop. Humic acid is widely used as fertilizer synergist and hence in combination with inorganic fertilizers can enhance their use efficiency and improve root zone activity. The present experiment was conducted to develop an integrated nutrient management practice in combination of chemical fertilizers with organic sources i.e., co inoculation of liquid biofertilisers and humic acid under fertigation for rabi groundnut under fertigation. Methods: The experiment was comprised of seven treatments of integrated nutrient management practices viz., T1- Soil application of 100% RDF(30-40-50 kg N,P2O5 and K2O haˉ¹) + Drip irrigation ; T2- 75 % RDF + Liquid biofertilizers @ 3.75 l haˉ1 ; T3- 75% RDF + Humic acid @ 12.5 l haˉ1 ; T4- 50 % RDF + Liquid biofertilizers @ 3.75 l haˉ1 ; T5–50 % RDF + Humic acid @ 12.5 l haˉ1 ; T6- 100 % RDF + Liquid biofertilizers @ 3.75 l haˉ1 ; T7- 100 % RDF+Humic acid @ 12.5 l haˉ1 which were laid out in randomised block design with three replications. Result: The integrated nutrient management practice with application of 100% RDF (30-40-50 kg N,P2O5 and K2O) + Liquid biofertilizers @ 3.75 l ha-1 (Rhizobium, Phosphorus solubilising bacteria and Potassium solubilising bacteria each @ 1.25 l ha-1) through fertigation recorded tallest plants (49.9 cm), highest LAI(2.05), SCMR value(34.5), highest number of nodules plant -1(60.2), pods plant-1(11.2), 100 pod weight(125.7 g), kernel weight (52.9 g) which resulted in the highest pod (3902 kg ha-1), kernel (2666 kg ha-1), haulm yied (4363kg ha-1 ), higher nutrient uptake and net returns (Rs.130818 ha-1) of groundnut, which were comparable to 100% RDF + Humic acid @ 12.5l ha-1 . However 75% RDF + Liquid biofertilizers @ 3.75 l ha-1 through fertigation recorded growth and pod yield (3988 kg ha-1) of groundnut on par with the best treatment of 100% RDF + Liquid biofertilizers @ 3.75 l ha-1 with a saving of 25 per cent of RDF and net returns of (Rs.130818 ha-1) and higher B:C ratio (2.31).

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“…Where in, (210 per m 2 ) weed population means density of weed significantly the highest was showed under the weedy control (T2). (Table -2) showed that the inter-Culturing and hand weeding at 20 and 40 DAS estimated highest weed control efficiency (70.62 %) and lowest in weed index (WI), followed by of application of 1.0 kg/ha pendimethalin as pre emergence fb IC+ HW at 30 DAS and 50 g/ha quizalofop ethyl as post emergence at 20 DAS fb IC+ HW at 40 DAS recorded WCE of 60.43 and 61.35 %, with weed index recorded 11.51 and 14.32 %, respectively Sukhadia et al [11] and Gnanavel and Anbhazhagan [10].…”

Section: Effect On Weedmentioning

confidence: 98%

Integrated Weed Management in Summer Sesame (sesumun indicum L.)

Chaudhari,

Kugashiya,

Dabhi

et al. 2023

IJPSS

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A field research was evaluated at the Seed Technology, S. D Agricultural University, Sardarkrushinagar-385506, Banaskantha (North Gujarat) in the year between summer 2019 to 2021 to study the effect of weed management practices in summer sesamum. Experimental plot was loamy sand in texture with low organic carbon and available N, medium in available P2O5 and high in available K2O. Treatments were weed free (IC fb HW at 20 and 40 DAS), weedy control, pendimethalin 30 EC 0.750 kg/ha PE application fb IC+HW at 30 DAS, pendimethalin 30 EC1.0 kg/ha PE application fb IC+HW at 30 DAS, oxadiargyl 6 EC 75 g/ha PE fb IC + HW at 30 DAS, oxadiargyl 6 EC 90 g / ha PE fb IC+HW at 30 DAS, quizalofop-ethyl 5 EC 40 g/ha PoE 20 DAS fb IC+ HW at 40 DAS, quizalofop-ethyl 5 EC 50 g/ha PoE at 20 DAS fb IC+ HW at 40 DAS, pendimethalin 30 EC 0.75 kg/ha PE fb quizalofo-pethyl 5 EC 40 g/ha at 30 DAS and pendimethalin 30 EC 1.0 kg/ha PE fb quizalofop-ethyl 5 EC 40 g/ha at 30 DAS. The results revealed that significantly maximum seed yield (0.90 t/ha), stalk yield (2.14 t/ha), number of capsules per plant (73.1) and number of branches per plant (5.2) were obtained under weed free (IC fb HW at 20 and 40 DAS) treatment with maximum net realization (₹52322/ha). Minimum weed density at harvest/m2 and weed dry weight/m2 (67.17/m2 and 32.51g/m2) and maximum weed control efficiency (71.62%) were found under weed free (IC fb HW at 20 and 40 DAS).

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Efficiency of some herbicides and manual weeding for weed control in irrigated Bt cotton

Cited by 3 publications

References 1 publication

Influence of Integrated Weed Management in Bt Cotton (Gossypium hirsutum L.) over Sole Method

Influence of Integrated Weed Management in Bt Cotton (Gossypium hirsutum L.) over Sole Method

Performance of Groundnut (Arachis hypogaea L.) as Influenced by Integrated Nutrient Management Under Fertigation

Integrated Weed Management in Summer Sesame (sesumun indicum L.)

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