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Journal articles on the topic 'Weed'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 June 2025

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1

Aadi, Omar N., and Ahmed A. Almarie. "Yield and Quality of Sesame Under Various Weed Removal Periods and Predicting the Optimum Weed Control Time." IOP Conference Series: Earth and Environmental Science 1371, no. 5 (July 1, 2024): 052061. http://dx.doi.org/10.1088/1755-1315/1371/5/052061.

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Abstract The present work aimed to estimate the optimum period for weed control and predict yield losses coming from weed competition of three Sesame varieties under various weed removal periods. A field experiment was conducted during the season of 2023 by making the study field free of weeds by hand weeding starting from sesame plant emergence until periods of 1, 2, 3, 4, and 5 weeks. Then, weed plants are allowed to grow after these periods till the end of the growing season. Results of the study determined that the optimum period for wee control from the sesame plants’ emergence until the

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2

Place, G. T., S. C. Reberg-Horton, D. L. Jordan, T. G. Isleib, and G. G. Wilkerson. "Influence of Virginia Market Type Genotype on Peanut Response to Weed Interference." Peanut Science 39, no. 1 (January 1, 2012): 22–29. http://dx.doi.org/10.3146/ps10-12.1.

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Abstract Differences in the ability of cultivars to compete with weeds are not well-defined for peanut. Research was conducted in 2007 and 2008 to compare the growth and competitiveness of the virginia market type cultivars NC 10C, NC-V 11, NC 12C, Phillips, VA 98R, and breeding lines N99027L, N01013T, and N02020J under weedy and weed-free conditions. Weed-free peanut was established by applying preemergence and postemergence herbicides throughout the growing season supplemented by weekly hand removal of weeds. Clethodim was applied to weedy peanut to eliminate annual grass interference but no

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3

R. T. Suryawanshi, M. G. Gavit, K. K. Barhate, and V. Y. Pawar. "Effect of Weed Control Measures on Weed and Yield of Pearl Millet (Pennisuteum glaucum L.)." Journal of Agriculture Research and Technology 49, no. 01 (2024): 182–85. https://doi.org/10.56228/jart.2024.49126.

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A field experiment was Carried out during rainy (Kharif) season 2018 to 2020 in medium black soil at the ICAR-AICRP on Pearl millet, College of Agriculture, Dhule, Maharashtra to identify the effective weed control measures to manage weeds and increase yield of pearl millet (Pennisutem glaucum L.) with pre emergence application (PE) of atrazine @ 0.4 kg a. i. ha-1 followed by one weeding at 3-4 week after sowing, four levels of post emergence application of tembotrione (42% SC @ 90,100,110,and 120 gm a.i. ha-1 respectively) at 3-4 leaf stage of weeds. Eight treatment combinations were laid out

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Dekker, Jack. "Weed diversity and weed management." Weed Science 45, no. 3 (June 1997): 357–63. http://dx.doi.org/10.1017/s0043174500092985.

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The story of agriculture is the story of weed interference. After millennia of weed control we still have weeds. This situation has led many growers to observe that “the weeds always win.” One of the most important reasons weeds are so successful is their biodiversity. Biodiversity is an inevitable consequence of the struggle an individual weed species undergoes in the presence of neighbors, and by occupying a physical space in an agroecosystem. Weeds have evolved in response to cropping system practices by adapting and occupying niches left available in agroecosystems. Forces created by our c

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5

Thesiya, N. M., H. P. Dholariya, J. V. Varsani, and H. M. Virdia. "Evaluation of Critical Period of Crop Weed Competition for Enhanced Weed Management and Yield of Summer Pearl Millet." International Journal of Plant & Soil Science 36, no. 10 (October 9, 2024): 239–47. http://dx.doi.org/10.9734/ijpss/2024/v36i105071.

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The field experiment was conducted at Instructional farm of Department of Agronomy, Navsari Agriculture University, Navsari during summer season of 2021 to 2023 to study critical crop-weed competition in summer pearl millet. There were 10 treatments comprising of initial weed free periods of 10, 20, 30 and 40 days after sowing (DAS) and weedy 10, 20, 30 and 40 DAS along with weedy till harvest (un-weeded check) and weed free till harvest (weed free check), were replicated thrice in the randomized block design. Results revealed that maintaining a weed-free condition from 20 to 40 DAS significan

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Hasanuddin H, R. Husna, Zulwanis, Nasrullah, R. Yuliarti, P. A. Lainufar, and M. Akbar. "Application of clomazone and oxyfluorfen herbicide mixture and its effect on weed growth." IOP Conference Series: Earth and Environmental Science 1476, no. 1 (April 1, 2025): 012065. https://doi.org/10.1088/1755-1315/1476/1/012065.

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Abstract This research aims to determine the growth of weeds due to the application of a mixture of clomazone and oxyfluorfen herbicides. The experimental design was a Randomized Completely Block Design. The treatments were: without herbicide (control), 3.125L/ha of clomazone, 6.250L/ha of oxyfluorfen, 1.563L/ha of clomazone + 3.125L/ha of oxyfluorfen, 2.084 L/ha of clomazone + 4.167L/ha oxyfluorfen, 1.042L/ha of clomazone + 4.167L/ha of oxyfluorfen, 2.084L/ha of clomazone + 2.084L/ha of oxyfluorfen, 1.042L/ha of clomazone + 2.084L/ha of oxyfluorfen. The variables observed were: weed control p

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7

A.Y, Mamudu,, and Adeyemi, M. "CRITICAL PERIOD OF WEED INTERFERENCE ON SOYBEAN (GLYCINE MAX (L) MERRILL)." Reviews In Food and Agriculture 3, no. 2 (January 6, 2022): 76–79. http://dx.doi.org/10.26480/rfna.02.2022.76.79.

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Weeds are one of the important factors affecting agriculture production, weeds and inadequate weed control and management pose a detrimental factor affecting crop production. The experiment was conducted at the Teaching and Research Farm of Federal University Technology, Minna, Nigeria, to determine the effectiveness of different weeding regime and critical period of weed interference in the growth and yield of soyabean. The treatments were laid out in a Randomized Complete Block Design (RCBD) and replicated three times. There are ten treatments consisting of weed infested and weed-free as fol

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8

Shahzad, Muhammad, Khawar Jabran, Mubshar Hussain, Muhammad Aown Sammar Raza, Leonard Wijaya, Mohamed A. El-Sheikh, and Mohammed Nasser Alyemeni. "The impact of different weed management strategies on weed flora of wheat-based cropping systems." PLOS ONE 16, no. 2 (February 18, 2021): e0247137. http://dx.doi.org/10.1371/journal.pone.0247137.

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The world population will rise in future, which would demand more wheat production to fulfil dietary needs of wheat-dependent population of the world. Food security in wheat-dependent regions will greatly rely on wheat productivity. Weed infestation is a major constraint reducing wheat productivity globally. Nonetheless, cropping systems and weed management strategies strongly influence weed infestation in modern agriculture. Herbicides are the key weed management tool in conventional agriculture. However, frequent use of herbicides have resulted in the evolution of herbicide-resistance weeds,

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9

LEMIEUX, C., A. K. WATSON, and J. M. DESCHÊNES. "WEED POPULATION DYNAMICS IN RECENTLY ESTABLISHED TIMOTHY STANDS: GROWTH AND PHYSIOGNOMY OF THE WEED COMPONENTS." Canadian Journal of Plant Science 67, no. 4 (October 1, 1987): 1035–44. http://dx.doi.org/10.4141/cjps87-139.

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In two experiments conducted in the field between 1983 and 1985, timothy was established with or without barley, red clover, grassy weeds and broadleaf weeds. The plots were sampled during establishment and production years. At each sampling, the botanical composition was evaluated to characterize the weed populations. Throughout establishment, the weed populations were dominated by annual broadleaf and grassy weeds which, when growing separately, produced comparable amounts of biomass. However, when growing together, the grassy weeds were clearly dominated by the broadleaf weeds. During the s

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10

Mubeen, Khuram, Muhammad Shehzad, Naeem Sarwar, Haseeb ur Rehman, Tauqeer Ahmad Yasir, Allah Wasaya, Matlob Ahmad, et al. "The impact of horse purslane (Trianthema portulacastrum L.) infestation on soybean [Glycine max (L.) Merrill] productivity in northern irrigated plains of Pakistan." PLOS ONE 16, no. 9 (September 20, 2021): e0257083. http://dx.doi.org/10.1371/journal.pone.0257083.

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Horse purslane (Trianthema portulacstrum L.) is an important weed of soybean crop capable of causing significant yield reduction. Therefore, this study assessed the impact of horse purslane and other weeds’ infestation on the productivity of soybean. Ten treatments, i.e., weed-free throughout the growing season, horse purslane-free till 20, 40 and 60 days after emergence (DAE), all weeds-free till 20, 40 and 60 DAE, weedy-check (excluding horse purslane), weedy-check (horse purslane alone) and weedy-check (all weeds) were included in the study. Data relating to density and dry weight of record

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11

Shahabuddin, M., MM Hossain, M. Salim, and M. Begum. "Efficacy of pretilachlor and oxadiazon on weed control and yield performance of transplant Aman rice." Progressive Agriculture 27, no. 2 (August 17, 2016): 119–27. http://dx.doi.org/10.3329/pa.v27i2.29320.

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Two experimentswere carried out at the Agronomy Field laboratory, Bangladesh Agricultural University, Mymensingh during July to December 2014 to study the effectiveness of pretilachlor and oxadiazon on weed control and yield performance oftransplant aman rice. In experiment I BRRI dhan31and in experiment II BRRI dhan46 was transplanted with eight weeding practices viz., weedy check; one hand weeding; two hand weeding; weed free;Pretilachlor only;Oxadiazon only;Pretilachlor + one hand weeding; and Oxadiazon+ one hand weeding. The design was split-plot with three replications. Eleven weed specie

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12

Abbas, Rana Nadeem, Asif Iqbal, Muhammad Aamir Iqbal, Omar M. Ali, Raees Ahmed, Raina Ijaz, Adel Hadifa, and Brandon J. Bethune. "Weed-Free Durations and Fertilization Regimes Boost Nutrient Uptake and Paddy Yield of Direct-Seeded Fine Rice (Oryza sativa L.)." Agronomy 11, no. 12 (November 30, 2021): 2448. http://dx.doi.org/10.3390/agronomy11122448.

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Under the changing climate, fertilization regimes and weed infestation management in aromatic direct-seeded fine rice (DSR) remain vital for curbing environmental hazards and ensuring food security. A multi-year field study was undertaken to appraise the influence of fertilization techniques and weed-free periods on weed dynamics, nutrient uptake and paddy yield in a semi-arid environment. Treatments included two fertilization methods (broadcasting and side placement) and five weed-free durations (20, 30, 40, 50 post-seeding days, DAS) along with a weed-free crop for a whole season. Weed compe

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13

Tadele, Worku, Taye Tessema, and Samuel Tegene. "Determination of critical period of weed competition in Sugarcane (Saccharum officinarum L.) at Arjo Didessa sugar estate, western Ethiopia." Journal of Current Opinion in Crop Science 3, no. 2 (June 28, 2022): 62–71. http://dx.doi.org/10.62773/jcocs.v3i2.165.

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Weeds limit sugar cane production. A field experiment employing cultivar NCO334 and Randomized Complete Block Design (RCBD) was done to assess weed competition crucial period. After planting, experimental plots were either weed-free or weedy (0, 25, 50, 75, 100, 125, and 150 DAP). Weed density, weed dry weight, sugarcane sprout, tiller number, cane height, millable cane number, girth, weight, and predicted cane and sugar production traits were evaluated. For different periods, weed competition affects tiller number, cane height, girth, weight, millable cane number, and cane and sugar yield. Ti

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14

Kharwal, Nitesh, and Deependra Yadav. "Effect of Integrated Weed Management Practices on Growth and Yield of Green Chilli (Capsicum annum L.)." International Journal of Plant & Soil Science 35, no. 18 (August 7, 2023): 1763–70. http://dx.doi.org/10.9734/ijpss/2023/v35i183456.

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Weed infestation in chilli production, especially during early growth stages, is a major constraint leading to significant yield loss. Effective weed management during this critical phase is crucial for maximizing chilli crop productivity. Keeping this in view a field experiment was conducted at the research farm of Abhilashi University, Mandi (H.P) during the Kharif season of 2022-23. The main objective was to assess the impact of various integrated weed management strategies on the growth and yield of green chilli crops. The experiment consisted of seven treatments with control, laid out in

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15

Lueschen, William E., and Thomas R. Hoverstad. "Imazethapyr for Weed Control in No-Till Soybean (Glycine max)." Weed Technology 5, no. 4 (December 1991): 845–51. http://dx.doi.org/10.1017/s0890037x00033960.

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Lack of consistent weed control has been a major limiting factor in the adoption of no-till soybean production. Field studies were conducted at Waseca, MN from 1987 through 1990 to evaluate the efficacy of imazethapyr applied either alone or in combination with other herbicides for weed control in no-till soybean. Fall applications of imazethapyr did not provide acceptable weed control. Imazethapyr applied 2 to 4 wk before planting provided a weed-free seedbed whereas burndown treatments applied 1 to 3 d before planting failed to do so. Early preplant imazethapyr applied during the second week

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16

Malunjkar, Bharat, Bharat Malunjkar, Arvind Verma, Gangaram Mali, Monali Suryawanshi, and Sanjay Chitodkar. "Influence of weed management and vermicompost on weed dynamics, yield and nutrient uptake by fenugreek." International Journal of Seed Spices 14, no. 1 (March 4, 2025): 25–37. https://doi.org/10.56093/ijss.v14i1.3.

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A field experiment was conducted at Instructional farm, RCA, MPUAT, Udaipur during Rabi 2016-17 and 2017-18 to study the weed dynamics, yield and nutrient uptake in fenugreek. Weed management experiment consists of thirteen different weed management practices assigned to main plot and levels of vermicompost in sub plot. Results of the field experiment revealed that pre-emergence application of oxadiargyl 100 g/ha fb hoeing at 40 DAS recorded the lowest weed density (24.25 /m2) and dry matter of total weeds (158.22 g/m2) over weedy check (245.42 /m2 and 893.44 g/m2) and higher weed control effi

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17

Colquhoun, Jed B., Christopher M. Konieczka, and Richard A. Rittmeyer. "Ability of Potato Cultivars to Tolerate and Suppress Weeds." Weed Technology 23, no. 2 (June 2009): 287–91. http://dx.doi.org/10.1614/wt-08-062.1.

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Potato producers rely heavily on herbicides for the majority of weed control. However, recent occurrences of herbicide-resistant weed populations and the lack of new herbicide registrations have stimulated interest in alternative strategies. The choice of potato cultivars that can suppress or tolerate weed competition could be a component of an integrated weed management system to reduce reliance on herbicides. The competitive ability of 10 potato cultivars—‘Atlantic’, ‘Bannock Russet’, ‘Dark Red Norland’, ‘Goldrush’, ‘Rodeo’, ‘Russet Burbank’, ‘Russet Norkotah’, ‘Snowden’, ‘Superior’, and ‘Vi

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18

Takim, F. "Weed competition in maize (Zea mays L.) as a function of the timing of hand-hoeing weed control in the southern Guinea savanna zone of Nigeria." Acta Agronomica Hungarica 60, no. 3 (September 1, 2012): 257–64. http://dx.doi.org/10.1556/aagr.60.2012.3.8.

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Field studies were conducted in 2010 and 2011 at the Teaching and Research Farm of the University of Ilorin, Nigeria (9°29′ N, 4°35′ E) to evaluate the effect of early weed competition on the growth and yield of maize. The experiment was designed as a randomized complete block (RCBD) with a split-plot arrangement and three replications. The main plots consisted of three weed control treatments included weedy (no herbicide), grass weeds (pre-emergence atrazine) and broadleaf weeds (pre-emergence metolachlor), while the sub-plots consisted of six durations of weed infestation (3, 4, 5, 6, 7 and

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19

Ellis, P. R. "Weeds —influences of weed vegetation in ipm and non-chemical weed control." Phytoparasitica 20, S1 (March 1992): S71—S75. http://dx.doi.org/10.1007/bf02980412.

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20

Sidik, Jatmiko Umar, Dad Resiworo Jekti Sembodo, Rusdi Evizal, and Hidayat Pujisiswanto. "EFIKASI HERBISIDA PARAKUAT UNTUK PENGENDALIAN GULMA PADA BUDIDAYA KELAPA SAWIT (Elaeis guineensis Jacq) TANAMAN BELUM MENGHASILKAN." Jurnal Agrotek Tropika 8, no. 2 (May 20, 2020): 355. http://dx.doi.org/10.23960/jat.v8i2.3910.

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Good plantation management is important to increase the productivity of immature oil palm plants, one of which is chemical weed control. This study aims to (1) determine the dosage of paraquat herbicide which is effective in controlling weeds in the area of immature oil palm plantations, (2) find out the differences in the composition of weed species on immature oil palm plates after application of the paraquat herbicide, (3) find out the phytotoxicity of paraquat herbicides in immature oil palm plants after the application of the paraquat dichloride herbicide. This research was carried out in

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21

SEN, SUMAN, Y. K. ZIAR, T. K. DAS, and RISHI RAJ. "Effect of herbicides on distribution and interference of weeds, growth and yield of wheat (Triticum aestivum) in Kandahar, Afghanistan." Indian Journal of Agricultural Sciences 92, no. 5 (June 14, 2022): 563–66. http://dx.doi.org/10.56093/ijas.v92i5.124623.

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Weeds are the major constraint to achieving higher wheat yield in Afghanistan. To evaluate weed interference and its impact on wheat, a field experiment was undertaken during winter season in 2014–15 at Afghanistan National Agricultural Science and Technology University (ANASTU), Kandahar. Seven weed control treatments comprising isoproturon 0.75 and 1.0 kg/ha at 35 days after sowing (DAS), sulfosulfuron 20 and 25 g/ha at 35 DAS, isoproturon + 2,4-D 0.75 + 0.5 kg/ha at 35 DAS (tank-mix), weed-free check and weedy check were laid out in a randomized complete block design with three replications

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22

Maxwell, Bruce D. "Weed Thresholds: The Space Component and Considerations for Herbicide Resistance." Weed Technology 6, no. 1 (March 1992): 205–12. http://dx.doi.org/10.1017/s0890037x00034576.

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As an extension of weed threshold models in which crop losses are based on weed density, an alternative model for grass weeds in cereal crops is proposed that incorporates the theoretical importance of selection for herbicide resistance, initial weed population frequency, and weed seed dispersal. Simulations suggest optimum weed population levels (thresholds) for maintaining genotypes that are susceptible to control practices and which minimize crop yield reductions. Weed population frequency, in combination with dispersal and competitive traits may determine optimum weed management strategies

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23

Bussan, Alvin J., Orvin C. Burnside, James H. Orf, Eric A. Ristau, and Klaus J. Puettmann. "Field evaluation of soybean (Glycine max) genotypes for weed competitiveness." Weed Science 45, no. 1 (February 1997): 31–37. http://dx.doi.org/10.1017/s0043174500092444.

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In the first of 2 field studies, weed biomass and soybean seed yield were used to evaluate 16 soybean genotypes for competitive ability against 12 weed species at Rosemount, MN, in 1992 and 1993. The yield and ranking of soybean genotypes often varied with the weed species. Grass weed species reduced yields the most, and small-seeded broadleaf weeds reduced yields the least across years. ‘Parker’ was highly competitive, as it suppressed weed biomass and produced high soybean yield. ‘Kato,’ ‘Kasota,’ ‘Dawson,’ and ‘Glenwood’ minimized weed biomass and maintained soybean yield while in competiti

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24

Kumar, Manoj, R. C. Meena, and C. Tara Satyavathi. "Integrated weed management in pearl millet [Pennisetum glaucum (L.) R. Br.]." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 18, no. 1 (January 15, 2022): 231–34. http://dx.doi.org/10.15740/has/ijas/18.1/231-234.

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The scarcity of labour in agriculture and change in behaviour, weed management in rain fed pearl millet is very difficult. Further, to improve/ fine tune the existing recommendation of weed management in pearl millet, this experiment was planned. A field experiment was carried out during the rainy (Kharif) seasons of 2012 to 2014 in sandy loam soils at ICAR-All India Coordinated Research Project on Pearl Millet, Research Farm, Agricultural Research Station, Mandor, Jodhpur (Agriculture University, Jodhpur), to evaluate the effect of integrated weed management in rainfed pearl millet (Pennisetu

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Putniece, Gundega, Ingrīda Augšpole, and Inta Romanova. "Population of Weeds in a Plantation of Red Raspberries (Rubus Idaeus L.)." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences. 76, no. 4 (August 1, 2022): 551–54. http://dx.doi.org/10.2478/prolas-2022-0085.

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Abstract Data from monitoring of weed populations are relevant for successful integrated weed management. The purpose of this experiment was to compare the diversity of weed species in red raspberry plantation rows. The red raspberry plantation was established in August 2019. The plantation is located in the south part of Latvia, Zemgale region (N56°33’29.5302”, E23°46’26.04”). The red raspberry cultivars ‘Daiga’, ‘Shahrazada’, ‘Norna’, and ‘Polana’ were grown in the plantation. The bushes were spaced at 0.6 m in rows and 3 m between rows in a plot with size 0.51 ha. Weed infestation in the re

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26

Roland, Gerhards, Bezhin Kostyantyn, and Santel Hans-Joachim. "Sugar beet yield loss predicted by relative weed cover, weed biomass and weed density." Plant Protection Science 53, No. 2 (January 25, 2017): 118–25. http://dx.doi.org/10.17221/57/2016-pps.

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Sugar beet yield loss was predicted from early observations of weed density, relative weed cover, and weed biomass using non-linear regression models. Six field experiments were conducted in Germany and in the Russian Federation in 2012, 2013 and 2014. Average weed densities varied from 20 to 131 with typical weed species compositions for sugar beet fields at both locations. Sugar beet yielded higher in Germany and relative yield losses were lower than in Russia. Data of weed density, relative weed cover, weed biomass and relative yield loss fitted well to the non-linear regression models. Com

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Nadeem, Muhammad Ather, Bilal Ahmad Khan, Asim Riaz Chadar, Rizwan Maqbool, Ali Raza, Muhammad Mansoor Javaid, Athar Mahmood, Muhammad Ishfaq Khan, Masood Ahmad, and Muhammad Irfan. "Weed control and sustainable rice production through rice intensification system and conventional practices of weed competition periods and age of transplanted seedlings." Semina: Ciências Agrárias 43, no. 5 (November 17, 2022): 2271–92. http://dx.doi.org/10.5433/1679-0359.2022v43n5p2271.

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Rice is an important cereal crop of global interest based on its daily uses. It was observed that the average yield of rice is low than its potential production due to the traditional growing techniques and weed intensification. Recently, the rice intensification system (RIS) has emerged as an alternative to the conventional rice cultivation system. A two-year field study was carried out to investigate the impact of seedling age (14, 21 & 28 days) and the weed competition periods (weedy check, 20, 40, 60, 80 DAT and weed-free throughout the growing season) in rice cultivated through RIS. W

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Sairam, Gaini, A. K. Jha, Badal Verma, Muskan Porwal, Abhijeet Dubey, and R. K. Meshram. "Effect of Mesotrione 40% SC on Weed Growth, Yield and Economics of Maize (Zea mays L.)." International Journal of Environment and Climate Change 13, no. 7 (May 16, 2023): 608–16. http://dx.doi.org/10.9734/ijecc/2023/v13i71913.

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Newer herbicides are required to reduce the losses cause by the weeds in maize crop. Therefore, a field experiment was conducted during kharif 2019 at Research Farm, AICRP on Forage Crops, Department of Agronomy, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur (Madhya Pradesh) to study the effect of different weed management practices on productivity of Maize (Zea mays L.). The experiment was conducted in randomized block design with eight treatments (six herbicidal treatments with hand weeding twice at 20 and 40 DAS and weedy check) replicated thrice. Observations were recorded for various

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Maroli, Amith S., Todd A. Gaines, Michael E. Foley, Stephen O. Duke, Münevver Doğramacı, James V. Anderson, David P. Horvath, Wun S. Chao, and Nishanth Tharayil. "Omics in Weed Science: A Perspective from Genomics, Transcriptomics, and Metabolomics Approaches." Weed Science 66, no. 6 (August 30, 2018): 681–95. http://dx.doi.org/10.1017/wsc.2018.33.

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AbstractModern high-throughput molecular and analytical tools offer exciting opportunities to gain a mechanistic understanding of unique traits of weeds. During the past decade, tremendous progress has been made within the weed science discipline using genomic techniques to gain deeper insights into weedy traits such as invasiveness, hybridization, and herbicide resistance. Though the adoption of newer “omics” techniques such as proteomics, metabolomics, and physionomics has been slow, applications of these omics platforms to study plants, especially agriculturally important crops and weeds, h

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Samanta Tanu, Shaon, Purnendu Biswas, Sultan Ahmed, and Swadesh Chandar Samanta. "EFFICACY OF SUNFLOWER RESIDUES AND HERBICIDES IN CONTROLLING WEEDS IN TRANSPLANTED RICE." International Journal of Applied Biology 4, no. 1 (June 29, 2020): 100–114. http://dx.doi.org/10.20956/ijab.v4i1.10360.

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The experiment was conducted at Agronomy Field Laboratory of Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh from July 2018 to November 2018 to find out the effect of sunflower residues and herbicides on weed control and yield of T. Aman rice. Weed control methods tested were T1= weedy check,T2 = Weed free check, T3 = Pendimethalin,T4 = Pretilachlor,T5= Butachlor,T6 = Pyrazosulfuron ethyl,T7 = Bensulfuron methyl + Acetachlor,T8 = Bispyriback sodium,T9 =2,4-D amine,T10 =MCPA,T11 = Sunflower residues ,T12 = Sunflower residues + 100%Pyrazosulfuron ethyl,T13 = Sunflower

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Malviya, Shreya, and Mukesh Kumar Saini. "Effect of Herbicide (Propaquizafop and Imazethapyr) on Weed Flora Associated with Blackgram in Central India." International Journal of Environment and Climate Change 13, no. 10 (August 19, 2023): 675–86. http://dx.doi.org/10.9734/ijecc/2023/v13i102703.

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An experiment was conducted at Product Testing Unit, Department of Agronomy, JNKVV, Jabalpur to study the effect of application of propaquizafop and imazethapyr herbicide on weeds associated with blackgram. The experimental field was having mixed weed flora comprising of grassy as well as broad leaved weeds. Nine treatments comprised of four rates of application of propaquizafop+ imazethapyr at 47+70, 50+75, 53+80 and 56+85 g/ha and alone application of propaquizafop (100 g/ha), imazethapyr (100 g/ha), pendimethalin (1500 g/ha) and hand weeding twice at 20 and 40 DAS including weedy check, wer

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MOHAMMAD HASANAIN, D.K. SHUKLA, R.K. SINGH, HIMANSU SEKHAR GOUDA, RAHUL SADHUKHAN, V.K. SINGH, and JITENDER KUMAR. "Effect of fertility levels and weed-management practices on weed-control efficiency, yield and nutrients uptake in summer mung bean (Vigna radiata)." Indian Journal of Agronomy 64, no. 3 (October 10, 2001): 418–21. http://dx.doi.org/10.59797/ija.v64i3.5295.

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A field experiment was conducted in a split-plot design during the summer season (zaid) of 2016 at the Norman Borlaug Crop Research Centre, Pantnagar, Uttarakhand, to evaluate the influence of various fertility levels and weed-management practices on weeds, crop yield and nutrients uptake in summer mung bean [Vigna radiata (L.) R. Wilczek]. All fertilizer treatments showed significant effect on grain yield, while weed-control treatments signifi- cantly reduced the weed growth and nutrient removal by weeds compared with the weedy check. Among the fertil- izer treatments, an application of 18 kg

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Hamada, Azhari Abdelazim. "Weeds and Weed Management in Sudan." Journal of Weed Science and Technology 45, no. 2 (2000): 131–36. http://dx.doi.org/10.3719/weed.45.131.

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Njoroge, J. M. "Weeds and Weed Control in Coffee." Experimental Agriculture 30, no. 4 (October 1994): 421–29. http://dx.doi.org/10.1017/s0014479700024662.

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SUMMARYThe effects of weeds on coffee productivity and the methods used for their control are discussed. The more common weeds are listed, together with the control methods that can be used at various phases of coffee production.Malezas y control de las mismas en el café

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Fedoruk, L. K., E. N. Johnson, and S. J. Shirtliffe. "The Critical Period of Weed Control for Lentil in Western Canada." Weed Science 59, no. 4 (December 2011): 517–26. http://dx.doi.org/10.1614/ws-d-11-00051.1.

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Weed control in lentil is difficult because lentil is a poor competitor with weeds and few POST broadleaf herbicides are available. Imadazolinone-tolerant lentils have more herbicide options, but the optimum timing for herbicide application is not known. The critical period of weed control (CPWC) is the period in a crop's life cycle when weeds must be controlled in order to prevent yield loss. The objective of this research was to determine the CPWC for lentil. We made lentil remain weedy or weed-free from 0 to 11 aboveground nodes to investigate the durations of weed interference and weed-fre

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Moyer, J. R., S. N. Acharya, and Z. Mir. "Weed management at the time of perennial cereal rye establishment." Canadian Journal of Plant Science 82, no. 2 (April 1, 2002): 457–62. http://dx.doi.org/10.4141/p01-087.

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Perennial cereal rye (PC rye) is a new crop that is being developed at the Lethbridge Research Centre for the production of silage for cattle. Its ability to compete with weeds during establishment and tolerance to herbicides for weed control was unknown. Therefore, experiments were established with PC rye, and several herbicide treatments were applied to test crop tolerance and weed control. PC rye was not injured by bromoxynil/MCPA, 2,4-D, thifensulfuron/tribenuron, fenoxaprop, clodinafop-propargyl, and tralkoxydim. Combinations of herbicides for broadleaf weed control and annual grass contr

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GUZZO, CAIO D., LEONARDO B. DE CARVALHO, PAULO R. F. GIANCOTTI, PEDRO L. C. A. ALVES, ELAINE C. P. GONÇALVES, and JOSÉ V. F. MARTINS. "Impact of the timing and duration of weed control on the establishment of a rubber tree plantation." Anais da Academia Brasileira de Ciências 86, no. 1 (March 2014): 495–504. http://dx.doi.org/10.1590/0001-37652014119113.

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Rubber tree production is reduced by weeds that compete for environmental resources; therefore, the timing and duration of weed control influences weed interference. The objectives of this study were to evaluate the growth of rubber tree (Hevea brasiliensis) plants, to determine the critical period for weed control, and to evaluate the growth recovery of rubber trees that coexisted with weeds for different periods of time after planting. Two groups of treatments were established under field conditions in the first year of the investigation: one group contained crescent periods of weed infestat

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Mwitta, Canicius, Glen C. Rains, and Eric Prostko. "Evaluation of Diode Laser Treatments to Manage Weeds in Row Crops." Agronomy 12, no. 11 (October 28, 2022): 2681. http://dx.doi.org/10.3390/agronomy12112681.

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Herbicides have been the primary weed management practice in agriculture for decades. However, due to their effects on the environment in addition to weeds becoming resistant, alternative approaches to weed control are critical. One approach is using lasers, particularly diode lasers because of their portability, low power demand, and cost effectiveness. In this research, weeds’ response to diode laser treatments was investigated. Three experiments were conducted. The first experiment involved treating two species of weeds with four different laser powers to determine the time it takes to seve

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I.B. PANDEY and D.K. DWIVEDI. "Effect of planting pattern and weed-control methods on weed growth and performance of wheat (Triticum aestivum)." Indian Journal of Agronomy 52, no. 3 (October 10, 2001): 235–38. http://dx.doi.org/10.59797/ija.v52i3.4931.

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A field experiment was conducted during 2000-01 and 2001 -02 at Pusa, Bihar to study weed growth, nutrient removal, weed-control efficiency and yield, and nutrient uptake by wheat (Triticurn aestivurn L. emend. Fiori & Paol.) as influenced by planting pattern [criss-cross (20 cm x 20 cm), normal line sowing (20 cm) and broadcast] as well as weed-control treatment [weedy check, hand-weeding (30 days after sowing), isoproturon @ 0.75 kg/ ha (pre-emergence), sulfosulfuron @ 33.3 glha (post-emergence) and 2,4-D Na salt @ 0.80 kglha (post-emer- gence)]. Criss-cross sowing significantly reduced

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Broatch, Jim S., Lloyd M. Dosdall, John T. O'Donovan, K. Neil Harker, and George W. Clayton. "Herbicide Rate Effects on Weed and Root Maggot Dynamics in Canola." Weed Science 56, no. 3 (June 2008): 477–83. http://dx.doi.org/10.1614/ws-07-172.1.

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Weed management strategies can influence insect infestations in field crops, yet no attempts have been made previously to manipulate weed populations in canola for integrated weed and insect management. Field studies were conducted during 2003 to 2005 at Lacombe and Beaverlodge, Alberta, Canada to manipulate weed and root maggot, Delia spp. (Diptera: Anthomyiidae), interactions in canola. Densities of monocot weeds were varied by altering herbicide applications, with rates ranging from 0 to 100% of the rate recommended. Weed populations declined, and yields were variable with increased herbici

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Gibson, Kevin D., Richard Dirks, Case R. Medlin, and Loree Johnston. "Detection of Weed Species in Soybean Using Multispectral Digital Images." Weed Technology 18, no. 3 (September 2004): 742–49. http://dx.doi.org/10.1614/wt-03-170r1.

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The objective of this research was to assess the accuracy of remote sensing for detecting weed species in soybean based on two primary criteria: the presence or absence of weeds and the identification of individual weed species. Treatments included weeds (giant foxtail and velvetleaf) grown in monoculture or interseeded with soybean, bare ground, and weed-free soybean. Aerial multispectral digital images were collected at or near soybean canopy closure from two field sites in 2001. Weedy pixels (1.3 m2) were separated from weed-free soybean and bare ground with no more than 11% error, dependin

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Cherry, Ron, and Andy Bennett. "Effect of Weeds on Rice Stink Bug (Hemiptera: Pentatomidae) Populations in Florida Rice Fields." Journal of Entomological Science 40, no. 4 (October 1, 2005): 378–84. http://dx.doi.org/10.18474/0749-8004-40.4.378.

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The effect of weeds on rice stink bug, Oebalus pugnax (F.), populations was studied in Florida rice fields. Fall panicum, Panicum dichotomiflorum Michaux, was the most common grassy weed found in weedy areas of rice fields, and significantly more rice stink bugs were found in these weedy areas vs nonweedy areas in the fields. Large numbers of rice stink bugs also were found in unmowed roadsides containing heading weeds, especially coast cockspur, Echinochloa walteri (Pursh) Heller. In contrast, few rice stink bugs were found in mowed roadsides which prevented weed heading around rice fields. O

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Mohammad, Mobarak Hossain, Begum Mahfuza, Hashem Abul, Moshiur Rahman Md., and W. Bell Richard. "Weed populations of intensive rice based cropping system as affected by tillage and increased crop residues in Bangladesh." Journal of Agriculture and Natural Resources Sciences 8, no. 1 (June 2, 2021): 1–12. https://doi.org/10.5281/zenodo.4892291.

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Sifting to conservation tillage from conventional one makes weeds control more difficult due to the absence of tillage. In the longer term, conservation tillage may alter the floristic composition of weeds in the soil seedbank. The nature of weed seedbank changes over time in intensively cropped rice-based rotations in Bangladesh is not well understood. Two long-term experiments (at Rajshahi and Rajbari) were sampled at 0-15 cm soil depth to study the effects of strip tillage (ST) and bed planting (BP) at both sites and Zero tillage (ZT) at Rajbari plus retention of residues of previous crops

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Averill, Kristine M., Anna S. Westbrook, Laura Pineda-Bermudez, Ryan P. O’Briant, Antonio DiTommaso, and Matthew R. Ryan. "Effects of Tertill® Weeding Robot on Weed Abundance and Diversity." Agronomy 12, no. 8 (July 26, 2022): 1754. http://dx.doi.org/10.3390/agronomy12081754.

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Robotic weed control may reduce labor requirements, soil disturbance, and amount of herbicide applied relative to non-robotic methods. Tertill® is among the first weeding robots to become commercially available. This solar-powered robot moves in a random walk, avoiding obstacles using capacitive sensors, and cuts weeds with a string trimmer. We tested the effects of Tertill (two hours per week) with and without the string trimmer and hand weeding (from 3 to 5.6 min per week with a stirrup hoe) on weed communities at two field sites in Ithaca, NY. Tertill with trimmer and hand weeding provided

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James, T. K., A. Rahman, and J. Mellsop. "Weed competition in maize crop under different timings for postemergence weed control." New Zealand Plant Protection 53 (August 1, 2000): 269–72. http://dx.doi.org/10.30843/nzpp.2000.53.3706.

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The effect of early weed competition was determined for a maize (Zea mays) crop grown in Waikato Maize was established in three different environments viz weedy (no herbicide) grass weeds (preemergence atrazine) and broadleaf weeds (preemergence metolachlor) Surviving weeds were controlled with postemergence nicosulfuron (60 g/ha) after different periods of competition and the plots kept weed free for the remainder of the trial Weeds left completely uncontrolled for 4 weeks after emergence significantly reduced crop yields When a preemergence herbicide was used surviving weeds began to reduce

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Goff, William D., Michael G. Patterson, and Mark S. West. "Orchard Floor Management Practices Influence Elemental Concentrations in Young Pecan Trees." HortScience 26, no. 11 (November 1991): 1379–81. http://dx.doi.org/10.21273/hortsci.26.11.1379.

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Nutrient status of young pecan [Carya illinoensis (Wangenh.) C. Koch] trees grown under eight combinations of orchard floor management and irrigation was determined by leaf and soil analyses. Orchard floor management practices were weedy-unmowed, weedy-mowed, weed control with herbicides, and weed control by disking, with trees either irrigated or nonirrigated. The element most affected by treatment was K. Mean leaf K for the two sample years was significantly (P < 0.01) lower in the weedy plots (0.56% K) than in those where weeds were controlled (0.76% K), suggesting a highly competitive e

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S.P. SINHA, S.M. PRASAD, and S.J. SlNGH. "Nutrient utilization by winter maize (Zea mays) and weeds as influenced by integrated weed management." Indian Journal of Agronomy 50, no. 4 (October 10, 2001): 303–4. http://dx.doi.org/10.59797/ija.v50i4.5133.

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An experiment was carried out during the winter seasons of 1998-98 and 1999-2000 at Pusa with 14 weed- management practices to study the nutrient-depletion patterns by winter maize (Zea mays L.) and associated weeds. Amongst the weed-management practices, nutrient depletion by weeds was minimum under hand-weed- ing and maximum (22.97 kg N, 4.87 kg P20, and 27.57 kg K20/ha) in weedy condition, whereas total nutrient up- take by winter maize was maximum (169.41 kg N, 55.67 kg, P20, and 60.77 kg K20/ha) under the treatment alachlor + French bean (Phaseolus vulgaris L.) as smother crop followed by

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Patra, Prantick, Anita Jaswal, and Iza Fatima. "Enhancing Food Security Through Sustainable Agriculture: Investigating the Allelopathic Effects of Sorghum on Weed Management in Field Pea (Pisum sativum var. arvense)." Nature Environment and Pollution Technology 24, S1 (January 16, 2025): 273–83. https://doi.org/10.46488/nept.2024.v24is1.020.

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Allelopathy can be a viable approach to address the issues of environmental degradation by reducing the use of herbicides and herbicide-resistant weeds. Allelopathic crop residues have a lot of potential for improving soil quality and suppressing weed growth. A field experiment at an agronomic research farm, Lovely Professional University in Phagwara, Punjab, examined the effects of water extracts and crop residues from sorghum on the population of weeds, indices of weed management, and the productivity of field peas. The experiment during the year 2022-2023 comprised in randomized block desig

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Bista, Samiksha, Sandesh Bhatta, Kamal B.K., Nikita Pandey, Briksha Shreepaili, and Bishesh Basnet. "Effect of different weed management practices on growth and yield of spring rice (Oryza sativa L.) in Banke, Nepal." Journal of Agriculture and Natural Resources 6, no. 1 (November 25, 2023): 44–59. http://dx.doi.org/10.3126/janr.v6i1.71862.

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Rice (Oryza sativa L.) is the most important crop in Nepal, despite having significant contribution to food security and agricultural economy, its production is being affected greatly by weed infestation. A field experiment was conducted during the spring season of 2022 to evaluate the different weed management practices in transplanted spring rice at Radhapur, Banke, Nepal. Seven weed management treatments were laid in Randomized Complete Block Design (RCBD) with three replications. The treatments were pre-emergence application of Pendimethalin 50% EC, 1 kg a.i./ha, at 3 DAT, post-emergence a

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Singh, Ajay. "Effect Of Sequential Application Of Pre And Post-Emergence Herbicides On Dynamics Of Weeds Associated With DSR System Andrice-Growth And Sustained Yield." Agriculture Association of Textile Chemical and Critical Reviews Journal 11, no. 4 (September 2023): 8–14. http://dx.doi.org/10.58321/aatccreview.2023.11.04.08.

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The sustained rice yield plays an important role in the country’s GDP. The diverse weed flora is a potential biotic threat to the sustained yield in the DSR system. The crop faces severe competition the resources from its beginning (germination of crop seedlings) to the panicle initiation with the diverse weeds flora as it grows quickly in moist conditions, resulting in severe yield losses up to 65 per cent. Thus, an effective and economical weed control strategy in DSR is often required to overcome the losses. In such situations, sequential application of herbicides may provide broad-spectrum

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