scholarly journals EFFICACY OF VARIETY AND MUSTARD CROP RESIDUES ON WEED MANAGEMENT AND CROP PERFORMANCE OF TRANSPLANT AMAN RICE

2020 ◽  
Vol 2 (2) ◽  
pp. 33-40
Author(s):  
Md. Abdullah- Al-Nomun ◽  
Md. Romij Uddin ◽  
Ahmed Khairul Hasan ◽  
Md. Sohanur Rahman ◽  
Nahid Kaisar ◽  
...  

Weed infestation in rice field is always subject to agro ecological condition and growing seasons. Weeds cause major yield losses in crops and also reduce their quality. An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to investigate the efficacy of mustard crop residues on weed management and crop performance of transplant aman rice. The experiment consisted of three cultivars and five different levels of mustard crop residues. The experiment was laid out in a randomized complete block design with three replications. Weed population, weed dry weight and percent inhibition of weed were significantly influenced by mustard crop residues and cultivar. The maximum weed growth was noticed with the cultivar BRRI dhan34 and the minimum was found in the cultivar BRRI dhan49. The grain yield and other yield contributing characters produced by BRRI dhan49 was the highest among the studied varieties. The highest percent inhibition of 73.36, 78.82, 71.90, 76.83 and 81.53 found in Pani kachu, Chechra, Pani shapla, Shama and Sabuj nakful, respectively with the application of mustard crop residues at 3.0 t ha-1 + one hand weeding. It can be concluded that BRRI dhan49 and mustard crop residues showed potentiality to inhibit weed growth and it has a significant effect on the yield of transplant aman rice. Therefore, mustard crop residues could be recommended to use as an alternative tool for weed management.

2018 ◽  
Vol 28 (4) ◽  
pp. 253-261
Author(s):  
S Ferdousi ◽  
MR Uddin ◽  
M Begum ◽  
UK Sarker ◽  
MN Hossain ◽  
...  

Allelopathic potentiality of crop residues may be helpful to minimize the serious problems in the present agricultural production such as environmental pollution, unsafe products, human health concerns, depletion of crop diversity, soil sickness and reduction of crop productivity. In this phenomenon an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June to November, 2015 to evaluate the effect of crop residues of wheat on weed management and crop performance of T. Aman rice. The experiment consisted of three varieties (cv. BRRI dhan32, BRRI dhan33 and BRRI dhan49) and five different treatments (viz. no crop residues, wheat crop residues @ 0.5, 1.0, 1.5 and 2.0 t ha-1). The experiment was laid out in a randomized complete block design with three replications. Five weed species belonging to three families infested the experimental plots. Weed population, weed dry weight and percent inhibition of weed were significantly influenced by wheat crop residues and cultivar. The maximum weed growth was noticed where no crop residues was incorporated and the minimum was found where @ 2.0 tha-1 wheat crop residues was incorporated. The grain yield as well as the other yield contributing characters produced in BRRI dhan49 was the highest among the studied varieties. The highest percent inhibition of 75.32, 58.24, 72.60, 57.45 and 82.24 was in Shama, Panishapla, Pani chaise, Panikachu and Susnishak, respectively which was caused by the application of wheat crop residues @ 2 t ha-1. The highest loss of grain yield was obtained where no crop residues were incorporated. The highest numbers of tillers hill-1, numbers of grains panicle-1, 1000-grain weight, grain yield, straw yield were observed where wheat crop residues were incorporated @ 2.0 t ha-1. The results of this study indicate that different amount of wheat crop residues showed potential activity to suppress weed growth.Progressive Agriculture 28 (4): 253-261, 2017


2021 ◽  
Vol 18 (2) ◽  
pp. 17-26
Author(s):  
D Sarkar ◽  
MR Uddin ◽  
SK Paul ◽  
UK Sarker ◽  
F Ahmed ◽  
...  

Allelopathy is expected to be an important mechanism in the plant invasion process. The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to evaluate the effect of aqueous extract of mustard crop residues on weed management and crop performance of wheat. The experiment consisted of three cultivars of wheat viz., BARI Gom 19, BARI Gom 21, BARI Gom 24 and five levels of aqueous extract such as no crop residues (C0), mustard crop residues: chaffed leaves soaked in water in 1:20 ratio (w/v) (C1), 1:30 ratio (w/v) (C2), 1:40 ratio (w/v) (C3), hand weeding (C4). The maximum weed growth was noticed with the cultivar BARI Gom 19 and the minimum was found in the cultivar BARI Gom 21. The grain yield as well as the other yield contributing characters produced by BARI Gom 21was the highest among the studied varieties. The highest percent inhibition of all weed species was caused by hand weeding. The highest numbers of tillers hill-1, numbers of grains spike-1, 1000 grain weight, grain yield and straw yield were observed where hand weeding is done and followed by the application of aqueous extract in 1:20 ratio (w/v). BARI Gom 21 cultivar with all treatments produced the highest grain and straw yield among the treatment combination. The results indicate that different amount of aqueous extract of mustard crop residues showed potential activity to suppress weed growth and it has a significant effect on the yield of wheat. Therefore, mustard crop residues might be used as an alternative way for weed management in effective and sustainable crop production. SAARC J. Agri., 18(2): 17-26 (2020)


2019 ◽  
Vol 21 (2) ◽  
pp. 87-95
Author(s):  
F Ahmed ◽  
MR Uddin ◽  
MD Hossain ◽  
UK Sarker ◽  
D Sarkar ◽  
...  

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to evaluate the effect of aqueous extract of sorghum crop residues on weed management and crop performance of wheat. The experiment consisted of three varieties of wheat viz., BARI Gom-19, BARI Gom-21, BARI Gom-24 and five different levels of treatments such as no use of aqueous extract, aqueous extract of sorghum crop residues: 1:20 ratio (w/v), 1:30 ratio (w/v), 1:40 ratio (w/v) and hand weeding. The experiment was laid out in a randomized complete block design with three replications. Seven weed species belonging to five families infested the experimental plots. Weed population, weed dry weight and percent inhibition of weed were significantly influenced by aqueous extract of sorghum crop residues and varieties. The maximum weed growth was noticed with the variety BARI Gom-19 and the minimum was found in the variety BARI Gom-21. The grain yield as well as the other yield contributing characters produced by BARI Gom-21 was the highest among the studied varieties. The highest percent inhibition for all of the weeds was found in hand weeding treatment. The second highest percent weed inhibition was occurred in aqueous extract of sorghum crop residues @ 1:20 ratio (w/v) treatment which was 51.81, 51.10, 52.90, 55.58, 75.27, 73.83 and 53.85 percent for bathua (Chenopodium album), mutha (Cyperus rotundus), durba (Cynodon dactylon), biskatali (Polygonum hydropiper), angta (Paspalum scrobiculatum), tit begun (Solanum torvum) and shama (Echinochloa crusgalli) respectively. The highest loss of grain yield was obtained where no aqueous extract of sorghum crop residues were used. The highest yield and yield attributes were observed where hand weeding is done followed by the application of aqueous extract of sorghum crop residues @1:20 ratio (w/v). Wheat var. BARI Gom-21 with all treatments produced the highest grain and straw yield among the treatment combination. The results of this study indicate that different amount of aqueous extract of sorghum crop residues showed potential activity to suppress weed growth and it has significant effect on the yield of wheat. Therefore, aqueous extract of sorghum crop residues might be used as an alternative way for weed management in effective and sustainable crop production Bangladesh Agron. J. 2018, 21(2): 87-95


2017 ◽  
Vol 15 (2) ◽  
pp. 133-139
Author(s):  
MN Hossain ◽  
MR Uddin ◽  
UK Sarker ◽  
S Ferdousi ◽  
MJ Uddin

Crop allelopathy may be useful to minimize serious problems in the present agricultural production such as environmental pollution, unsafe production, human health concerns, depletion of crop diversity, soil sickness and reduction of crop productivity. In this phenomenon an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to evaluate the effect of crop residues of mustard on weed management and crop performance of T. aman rice. The experiment consisted of three cultivars of T. aman rice viz., BR11, BR23 and BRRI dhan49 and five different level of mustard crop residues such as no crop residues, mustard crop residues @ 0.5, 1.0, 1.5 and 2.0 t ha–1. The experiment was laid out in a randomized complete block design with three replications. Five weed species belonging to three families infested the experimental plots. Weed population, weed dry weight and percent inhibition of weed were significantly influenced by mustard crop residues and cultivar. The maximum weed growth was noticed with the cultivar BR23 and the minimum was found in the cultivar BR11. The grain yield as well as the other yield contributing characters produced by BR11 was the highest among the studied varieties. The highest percent inhibition of 71.17, 69.19, 80.88, 70.48 and 86.97 was in Shama (Echinochlo acrusgalli), Panishapla (Nymphaea nouchali), Panichaise (Scirpus juncoides), Panikachu (Monochoria vaginalis) and Susnishak (Marsilea quadrifolia), respectively which was caused by the application of mustard crop residues @ 2 t ha–1. The highest loss of grain yield was obtained where no crop residues were incorporated. The highest numbers of tillers hill-1, numbers of grains panicle–1, 1000-grain weight, grain yield, straw yield were observed where mustard crop residues were incorporated @ 2.0 t ha–1. BR11 cultivar with all treatments produced the highest grain and straw yield among the treatment combination. The results of this study indicate that different amount of mustard crop residues showed potential activity to suppress weed growth.J. Bangladesh Agril. Univ. 15(2): 133-139, December 2017


2020 ◽  
Vol 30 (4) ◽  
pp. 379-386
Author(s):  
SK Pramanik ◽  
MR Uddin ◽  
UK Sarker ◽  
D Sarkar ◽  
F Ahmed ◽  
...  

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the period from June to December 2016 to evaluate the effect of marshpepper (Polygonum hydropiper L.)  crop residues on weed management and crop performance of transplant aman rice. The experiment consisted of three cultivars viz.  BR11, BRRI dhan33 and BRRI dhan49 and five marshpepper crop residues treatment such as 0, 1.0, 2.0, 3.0 ton ha-1 and hand weeding. The experiment was laid out in a randomized complete block design (RCBD) with three replications. Five weed species belonging to four families infested the experimental plots. Weed population and weed dry weight were significantly affected by cultivar and crop residues treatment. The highest percent inhibition of all the studied weed was found by hand weeding. The second highest percent weed inhibition was found with the application of marshpepper residues at 3.0 t ha-1 which was 63.43, 63.43, 52.85, 52.40 and 59.12 percent for sabuj nakful (Cyperus difformis), chesra (Scirpus juncoides), shama (Echinochloa crusgalli) panikachu (Monochoria vaginalis) and panishapla (Nymphaea nouchali ) respectively. The maximum weed growth was noticed with the cultivar BRRI dhan33 variety and the minimum was found in the cultivar BRRI dhan49. The grain yield as well as the yield contributing characters produced by BRRI dhan49 was the highest among the studied varieties. The highest reduction of grain yield was obtained in no crop residue treatment. The highest number of effective tillers hill-1, number of grains panicle-1, 1000-grain weight, grain and straw yields were observed in marshpepper residues in hand weeding followed by 3.0 t ha-1 marshpepper crop residue. BRRI dhan49 produced the highest grain and straw yields under hand weeding followed by marshpepper residues 3.0 t ha-1 treatment. Results of this study indicate that marshpepper residues showed potentiality to inhibit weed growth and it has a significant effect on the yield of transplant aman rice. Therefore, marshpepper residues might be used as an alternative way for weed management effective and sustainable crop production. Progressive Agriculture 30 (4): 379-386, 2019


2014 ◽  
Vol 15 (3) ◽  
pp. 51-54
Author(s):  
Rameshwar K. ◽  
J.P. Saini ◽  
Sanjay Chadha ◽  
Punam K. ◽  
R.G. Upadhyay

A field experiment was conducted during kharif seasons of 2009 & 2010 at Model Organic Farm of Department of Organic agriculture, CSK Himachal Pradesh Krishi Vishvavidyalya Palampur in factorial randomized block design with three replications consisting of eight treatment combinations. The treatments included two methods of weeding (mechanical weeding with cono weeder & hand weeding) and 4 spacings (25x25, 30x30, 20x20 and 30x20 cm). Rice variety RP-2421 was transplanted in second week of July during both the years following all organic packages of practices. The weeding was done at 20 & 40 days after transplanting rice. The dominant species of weeds were Echinochloa crusgalli, Digitaria sanguinalis and Panicum  dichotomiflorum among grasses; Cyperus iria and Cyperus difforimis among sedges and Aeschynomera indica, Ammania spp and Commelina benghalensis among broadleaved weeds.The experimental results revealed that 2 mechanical weedings with cono-weeder at 20 & 40 DAT resulted in significantly higher values of yield attributes viz. effective tillers/m2 & panicle length and hence higher paddy yield and lower weed dry weight over hand weeding twice (20 & 40 DAT). However, grains/ panicle and 1000 grain weight did not vary significantly during both the years. Among spacings 30x30 cm being at par with 25x25 cm & 30x20 cm recorded significantly higher paddy yield and lower weed dry weight over 20x20 cm during both the years. The interactions between method of weedings& spacing were observed to be non-significant during both the years of study.


Author(s):  
Polagani Nagarjuna

A field experiment entitled “Weed Dynamics of Hybrid Rice under the Influence of fertilizer Levels and Weed Management Practices” was conducted during the Kharif season of 2017 at the Research Farm, TCA, Dholi, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (BIHAR). The experiment was laid out in a split-plot design with twelve treatments. Among different levels of fertilizer, application of 100 % RDF recorded a minimum number of weeds/m2 (58.36/m2), weed dry weight production (73.12 g/m2), and weed growth rate (0.024 g/m2/day). In the case of weed management practices, Hand weeding (twice) was found to be the most efficient weed control (71.32%), a minimum number of weeds/m2 (25.11/m2), weed dry weight production (21.12 g/m2) and weed growth rate (0.011 g/m2/day) but the minimum weed index (45.87%) was observed in weedy check.


2021 ◽  
Vol 6 (2) ◽  
pp. 134-141
Author(s):  
Showrav Ashraf ◽  
Uttam Kumer Sarker ◽  
Suriaya Perveen ◽  
Mohammad Shahidul Islam ◽  
Shah Golam Azam ◽  
...  

Among different methods of weed control, allelopathy could lead to reduced labor costs and increased efficiency, without any adverse effects on the environment. In this regard, an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to evaluate the allelopathic potential of grass pea and mustard crop residues on weed suppression and crop performance of transplanted aman rice. The experiment consisted of three cultivars of T. aman rice viz., Binadhan-7, BRRI dhan49 and BR11 and five different level of crop residues such as no use of crop residues, grass pea crop residues @ 2.5 t ha-1, mustard crop residues @ 2.5 t ha-1, combined use of grass pea and mustard crop residues @ 1 t ha-1 of each and hand weeding. All crop residues applied in the experiment suppressed weed growth and inhibition at satisfactory level. The experiment was laid out in a randomized complete block design with three replications. Weed population, weed dry weight and percent inhibition of weed were not significantly influenced by the interaction effect of crop residues (grass pea and mustard) and cultivars. BR11 produced the highest grain and straw yield among the treatment combination. The highest numbers of tillers hill-1, numbers of grains panicle-1, 1000-grain weight, grain yield, straw yield were observed in hand weeding, followed by combined application of grass pea and mustard crop residues @ 1 t ha-1 of each treatment. The highest grain and straw yield (4.81 t ha-1 and 7.65 t ha-1) was observed in hand weeding along with variety BR11 and the second highest (4.19 t ha-1 and 7.36 t ha-1) was obtained from combined use of grass pea and mustard crop residues @ 1 t ha-1 of each. The results of this study indicate that hand weeding followed by combined application of grass pea and mustard crop residues @ 1 t ha-1 of each showed potential activity to suppress weed growth.


2020 ◽  
Vol 5 (3) ◽  
pp. 275-282
Author(s):  
Sheikh Hasibur Rahman ◽  
Md. Romij Uddin ◽  
Md. Abdus Salam ◽  
Uttam Kumer Sarker ◽  
Shishir Rasul ◽  
...  

To investigate the effect of different plant residues on weed inhibition and yield of transplant aman rice, an experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during June 2017 to December, 2017. The experiment comprised of three rice cultivars i.e. BR11, BRRI dhan34 and BRRI dhan49 and five different plant residues treatment viz., no crop residues (control), soybean, wheat, bishkatali and sorghum crop residues @ 2.0 t ha-1 of each. The experiment was laid out following randomized complete block design with three replications. Weed population and weed dry weight were significantly affected by cultivars and crop residues treatment. The highest percent inhibition of 58.31%, 46.84%, 66.85%, 66.94% and 57.6% was in Panikachu (Monochoria vaginalis), Shama (Echinochloa crusgalli), Chesra (Scirpus juncoides), Sabujnakful (Cyperus difformis) and Amrul (Oxalis corniculata), respectively caused by sorghum crop residues. The grain yield, as well as the yield contributing characters produced by BR11,was the highest among the studied varieties. The highest number of effective tillers hill-1 (8.41), number of grains panicle-1(118.08) and 1000-grain weight (20.54 g) were observed in sorghum crop residues. BR11 under sorghum crop residues @ 2.0 t ha-1 produced the highest grain (5.76 t ha-1) and straw yield (6.39 t ha-1). So, to reduce herbicide use in the present situation of Bangladesh, natural herbicide or crop residues like sorghum might be used as an alternative way for weed management for effective and sustainable rice production.


2013 ◽  
Vol 9 (1-2) ◽  
pp. 27-41
Author(s):  
SMA Hoque ◽  
MD Hossain ◽  
KH Talukder ◽  
M Asaduzzaman ◽  
MA Sayed ◽  
...  

An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymenshingh to study the effect of weeding regime on the weed infestation and crop performance on transplant aman rice. The treatments included 10 weeding regime - i) no weeding, ii) one hand weeding at 21 DAT, iii) two hand weeding at 21 and 42 DAT, iv) three hand weeding at 21, 42 and 63 DAT, v) Ronstar 25 EC @ 2.0 1ha-1 at pre-emergence, vi) 2, 4-D amine @ 1.84 1ha-1 at 42 DAT, vii) Ronstar 25 EC @ 2.0 1ha-1 at Pre-emergence + 2, 4-D amine @ 1.84 1ha-1 at 42 DAT, viii) Ronstar 25 EC @ 2.0 1ha-1 at Pre-emergence + one hand weeding at 42 DAT, ix) one hand weeding at 21 DAT + 2. 4-D amine @ 1.84 1ha-1 at 42 DAT and X) weed free. The experiment was laid out in a randomized complete block design with four replications. Weeding regime had significant effect on weed density and dry weight. Weed density and dry weight were significantly highest in the crop not weeded at all and lowest in Ronstar 25 EC @ 2.0 l ha -1 + one hand weeding . Plant height, total number of tillers hill-1, number of ear bearing tillers hill-1 , number of non ear bearing tillers hill-1 , number of grains panicle -1 ,number of sterile spike lets panicle -1, grain yield, straw yield, biological yield and harvest index were significantly affected by weeding regime. Ronstar 25 EC @ 2.0 1ha-1 + one hand weeding controlled the weeds to the greatest extent and produced the yield and yield attributes similar to those in weed free treatment. DOI: http://dx.doi.org/10.3329/jsf.v9i1-2.14645 J. Sci. Foundation, 9(1&2): 27-41, June-December 2011


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