Effect of Different Weed Management Practices on Growth and Yield of Tossa Jute (Corchorus olitorius) in the New Alluvial Zone of West Bengal, India

Datta, Madhab Kumar; Halder, Pronobesh; Biswas, Utpal; Kundu, Champak Kumar

doi:10.20546/ijcmas.2017.611.132

Cited by 2 publications

(2 citation statements)

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“…At the terminal end of crop weed completion period, weed density (weed population/m 2 ) in two year pooled value, was significantly lowest (40.27) (Table 1a) in twice hand weeded plotsat15 and 30 DAS followed by Nail weeder at 7 DAS + Quizalofop ethyl 5 EC at 60 g/ha at 30 DAS (T5) with the value of 57.60. Similar kind of result has been reported by Datta et al [19].…”

Section: Crop and Weed Indicessupporting

confidence: 90%

Spinoffs in Mechano - Chemical Approach of Weed Management Practices in Tossa Jute (Corchorus olitorious)

Chakraborty

Biswas

Banerjee

et al. 2020

CJAST

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One of the most important pre-kharif crop in eastern plains is jute. Weed can deplete 70-80% of the crop yield. An experiment was conducted at Mondouri Research Farm of Bidhan Chandra Krishi Viswavidyalaya, India, during summer season of 2018 and 2019. The design of experiment was Randomized block design with 3 replications and 7 treatments with variety JRO-524 (Navin) for weed control comprised –T1: Pretilachlor 50 EC at 900 ml/ha with irrigation after 48 hrs of sowing + one hand weeding at 15 days after sowing, T2: Quizalofop ethyl 10 EC at 38 g/ha at 15 days after sowing + one hand weeding at 30 days after sowing, T3: Quizalofop ethyl 5 EC at 60 g/ha + Ethoxysulfuron 10 EC at 100 g/ha at 15 days after sowing, T4: Propaquizafop 10 EC at 90 g/ha at 15 days after sowing+ one hand weeding at 30 days after sowing, T5: Nail weeder at 7 days after sowing + Quizalofop ethyl 5 EC at 60 g/ha at 30 days after sowing, T6: Un-weeded check and T7: Two hand weeding at 15 and 30 days after sowing. Sowing was done on 28th April 2018 and 30th April in 2019. Predominant monocot weeds were Digiteria sanguinalis, Echinochloa colona, Elusine indica, Cyperus rotundus and dicot weeds were–Digera arvense, Cleome viscose and Physalis minima. Among the treatments, twice hand weeding gave the highest fibre yield alongwith maximum Weed control efficiency, Weed control index, Crop resistance index, Herbicide efficiency index followed by nail weeder induced weed management at 7 days after sowing coupled with herbicide spray of Quizalofop ethyl 5 EC at 60 g/ha at 30 days after sowing which resulted in maximum net return (Rs. 110222/- per ha) with a corresponding highest benefit cost ratio (2.40) and enriched soil microbes population. Considering bio-efficacy of applied treatment, economics and microbial study, nail weeder along with post emergence herbicide application at 30 days after sowing can be advocated for higher revenue as well as better soil health replenishment.

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Section: Crop and Weed Indicessupporting

confidence: 90%

Spinoffs in Mechano - Chemical Approach of Weed Management Practices in Tossa Jute (Corchorus olitorious)

Chakraborty

Biswas

Banerjee

et al. 2020

CJAST

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“…Previous studies showed that weeds are major constraints in jute production [7][8][9]. Weeds such as Cyperus rotundus L., Echinochloa colonum (L.) Link.…”

Section: Introductionmentioning

confidence: 99%

Effects of catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) density on growth, yield, and proximate composition of jute mallow (Corchorus olitorius L.)

Ayodele

Aluko

Adegbaju

2021

PVSandP

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Purpose. Jute mallow (Corchorus olitorius L.) is a mucilaginous vegetable and fiber crop cultivated in the tropics, where catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) are common weeds. Hence, the study investigated the growth, yield, and nutrient level of jute mallow in weed-free, catnip, and Mexican sunflower environments. Methods. The study involved two screen-house experiments in a Completely Randomized Design (CRD) with six replications. The treatments were 0 (control), 2, 4, 6, 8, and 10 weed plants per pot in both experiments. These are 0, 100, 200, 300, 400, and 500 weed count per square meter equivalent, based on the surface area of the pots used. Mexican sunflower and catnip plants interacted with jute plants in the first and second experiments, respectively. Growth parameters of jute mallow were recorded weekly from 5 to 8 weeks after sowing (WAS), and harvesting was done at 8 WAS. The proximate composition of jute was evaluated using standard procedures outlined by AOAC. The data collected were subjected to analysis of variance (ANOVA), and means were separated using Duncan Multiple Range Test (DMRT) at P < 0.05. Results. Catnip and Mexican sunflower negatively impacted the morphological features of jute mallow from 100 plants per square meter upwards. Catnip and Mexican sunflower, at 300 and 100–500 plants per square meter, respectively, reduced the dry weight of jute mallow. The crude protein content of jute mallow was also lessened by Mexican sunflower at some point. Conclusions. The study recommends that the density of catnip and Mexican sunflower plants interacting with jute mallow should be maintained below 100 plants per square meter to prevent yield loss.

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Effect of Different Weed Management Practices on Growth and Yield of Tossa Jute (Corchorus olitorius) in the New Alluvial Zone of West Bengal, India

Cited by 2 publications

References 1 publication

Spinoffs in Mechano - Chemical Approach of Weed Management Practices in Tossa Jute (Corchorus olitorious)

Spinoffs in Mechano - Chemical Approach of Weed Management Practices in Tossa Jute (Corchorus olitorious)

Effects of catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) density on growth, yield, and proximate composition of jute mallow (Corchorus olitorius L.)

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