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Artykuły w czasopismach na temat „Weed dynamics”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

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 (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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2

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 (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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3

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 (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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4

Buhler, Douglas D., Robert G. Hartzler, and Frank Forcella. "Implications of weed seedbank dynamics to weed management." Weed Science 45, no. 3 (1997): 329–36. http://dx.doi.org/10.1017/s0043174500092948.

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The species composition and density of weed seed in the soil vary greatly and are closely linked to the cropping history of the land. Altering tillage practices changes weed seed depth in the soil, which plays a role in weed species shifts and affects efficacy of control practices. Crop rotation and weed control practices also affect the weed seedbank. Information on the influence of cropping practices on the weed seedbank should be a useful tool for integrated weed management. Decision aid models use information on the weed seedbank to estimate weed populations, crop yield loss, and recommend

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5

Watkinson, A. R., R. Cousens, and M. Mortimer. "Dynamics of Weed Populations." Journal of Applied Ecology 33, no. 3 (1996): 644. http://dx.doi.org/10.2307/2404995.

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Pyke, David A., Roger Cousens, and Martin Mortimer. "Dynamics of Weed Populations." Ecology 77, no. 8 (1996): 2574. http://dx.doi.org/10.2307/2265758.

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7

Jordan, Nicholas. "Dynamics of weed populations." Trends in Ecology & Evolution 11, no. 8 (1996): 349–50. http://dx.doi.org/10.1016/0169-5347(96)81139-6.

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8

Snaydon, R. W. "Dynamics of weed populations." Agriculture, Ecosystems & Environment 61, no. 1 (1997): 77–78. http://dx.doi.org/10.1016/s0167-8809(96)01092-4.

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9

Buhler, Douglas D., Robert G. Hartzler, and Frank Forcella. "Weed Seed Bank Dynamics." Journal of Crop Production 1, no. 1 (1997): 145–68. http://dx.doi.org/10.1300/j144v01n01_07.

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10

Abernathy, John R., and David C. Bridges. "Research Priority Dynamics in Weed Science." Weed Technology 8, no. 2 (1994): 396–99. http://dx.doi.org/10.1017/s0890037x00038999.

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For this presentation we would like to discuss some history of weeds and their control, the evolution of weed science, the development of herbicides and the changing dynamics of weed science research. As mentioned by previous speakers, weeds cause great loss to almost every crop production enterprise in the United States and around the world. Man has sought to control weeds by various methods including cultural practices, cultivation, hoeing, and with herbicides. Pioneer weed scientists were individuals trained in the areas of physiology, botany, and agronomy. They applied their knowledge and

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11

Nagar, Rakesh, Akashdeep Singh, Jyotsana Dayma, Deepak Sharma, Bharat Bhushan Rana, and Raghuveer Choudhary. "Evaluation of Herbicide Efficacy on Weed Dynamics and Yield of Chickpea (Cicer arietinum L.)." Journal of Experimental Agriculture International 47, no. 2 (2025): 34–42. https://doi.org/10.9734/jeai/2025/v47i23263.

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A field experiment was conducted during the rabi season of 2023-24 at the Agronomy Research Farm, Nirwan University, Jaipur, Rajasthan, to evaluate the efficacy of different weed management treatments on weed suppression and chickpea productivity. The experiment, laid out in a randomized block design with ten treatments and three replications, included chemical and manual weed control methods. Treatments included Imazethapyr @ 50 g/ha at 20 DAS, Propaquizafop + Imazethapyr @ 50 g/ha at 20 DAS, Sodium Acifluorfen + Clodinafop Propargyl @ 200 g/ha at 20 DAS, Fomesafen + Fluazifop-p-butyl @ 200 g

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12

PANDEY, D.K. DWlVEDl, and R.K. PANDEY. "Efficacy of herbicides and fertilizer management on weed dynamics in wheat (Triticum aestivum)." Indian Journal of Agronomy 52, no. 1 (2001): 49–52. http://dx.doi.org/10.59797/ija.v52i1.4889.

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A field experiment was conducted during winter (rabl) season of 2002-03 and 2003-04 to study the efficacy of herbicides and fertilizer management on weed dynamics of wheat (Tn'ticum aestivum L. emend. Fiori & Paol.). The intensity of weeds as well as total weed count were unaffected by the method and level of fertilizer applica- tion, but side placement of fertilizer significantly reduced the total dry biomass of weeds, NPK depletion by weeds that improved the NPK uptake by the crop and produced 13.5 per cent higher grain yield than broadcast method of fertilizer application. Application o

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13

Schoofs, Allison, and Martin H. Entz. "Influence of annual forages on weed dynamics in a cropping system." Canadian Journal of Plant Science 80, no. 1 (2000): 187–98. http://dx.doi.org/10.4141/p98-098.

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Alternatives to herbicides are needed for weed control. Field studies were conducted in 1994/1995 and 1995/1996 to investigate the nature of forage crop-weed dynamics and to test the effect of single year forage crops on the density and community composition of annual weeds in a following field pea (Pisium sativum L.) test crop. Five spring-seeded forage treatments were compared with wheat (Triticum aestivum L.) grain crops (with or without herbicides for grassy and broadleaved weeds): winter triticale (Triticosecale) (simulation grazed); spring triticale (silage); spring/winter triticale inte

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14

T. K. SRIVASTAVA and R.S. CHAUHAN. "Weed dynamies and control of weeds in relation to management practices under sugarcane {Saccharurn species complex hybrid) multi-ratooning system." Indian Journal of Agronomy 51, no. 3 (2001): 228–31. http://dx.doi.org/10.59797/ija.v51i3.5015.

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A field experiment was conducted during 2001-2005 at Lucknow, to assess the effect of cultural, mechanical and chemical weed-control measures on weed control, sugarcane ratoon yield and weed population dynamics in multi-ratooning system under the conditions of north-Indian sub-tropics. Losses caused to weeds in first and second ratoon yields were 32.7 and 45.9/0, respectively. Treatments applied in the first ratoon significantly in- creased yield, and highest ratoon yield (67.1 tonneslha) was recorded either with mulching and hoeing in alter- nate inter-row spaces or with initial cultivation,

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15

Jehangir, Intikhab Aalum, Ashaq Hussain, Najeeb R. Sofi, et al. "Crop Establishment Methods and Weed Management Practices Affect Grain Yield and Weed Dynamics in Temperate Rice." Agronomy 11, no. 11 (2021): 2137. http://dx.doi.org/10.3390/agronomy11112137.

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Higher demand and cost of labor and water shortage have forced the farmers to look for an alternate method of cultivation in rice as a substitute to the existing conventional transplanting. Dry direct seeding and water seeding have emerged as better alternatives over transplanting method. These methods not only result in labor saving, but also result in significant water saving in rice. These are important adaptation strategies to the impending climate change. However, the direct seeding method is confronted with severe weed infestation and yield losses if weeds are not managed well. Against t

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16

Légère, Anne. "Crop/Weed Management and the Dynamics of Weed Seedbanks." Weed Science 40, no. 4 (1992): 629. http://dx.doi.org/10.1017/s0043174500058227.

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Mukherjee, Pijush Kanti, Putan Singh, Shobha Sondhia, and R. L. Sagar. "Biology of weed flora, weed dynamics and weed management in different fodder crops." Indian Journal of Weed Science 51, no. 1 (2019): 54. http://dx.doi.org/10.5958/0974-8164.2019.00012.1.

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18

VIKAS GUPTA, MAHENDER SINGH, ANIL KUMAR, B.C. SHARMA, and DEEPAK KHER. "Influence of weed management practices on weed dynamics and yield of urdbean (Vigna mungo) under rainfed conditions of Jammu." Indian Journal of Agronomy 58, no. 2 (2001): 220–25. http://dx.doi.org/10.59797/ija.v58i2.4176.

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Experiments were conducted during kharif 2007 and 2009 in Inceptisols, to study the effect of different pre (PE) and post-emergence (POE) herbicides along with two hand weedings (HW) at 20 and 40 days after sowing (DAS) and weedy check on urdbean {Vigna mungo (L.) Hepper}. Highest seed yield was observed with two HWs at 20 and 40 DAS and the values were found statistically at par with POE application of imazethapyr 25 g/ha at 20 DAS. The highest weed control efficiency and lowest weed biomass was recorded with two HWs at 20 and 40 DAS fol- lowed by application of imazethapyr 25 g/ha (post-emer

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19

Devkota, Manjul, Rijwan Sai, Aavash Shrestha, Shiva Chaudhary, Prajjwal Koirala, and Mohan Mahato. "Weed Management Effects on Weed Dynamics, Yield and Economics of Spring Maize at Dang, Nepal." Turkish Journal of Agriculture - Food Science and Technology 12, s1 (2024): 1997–2008. https://doi.org/10.24925/turjaf.v12is1.1997-2008.6865.

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Weeds pose a significant challenge in maize fields in the Dang district, leading to a substantial 52% reduction in yield. Hence, this study was conducted in Satbariya village of Dang, Nepal, in 2023 to evaluate the impact of various weed management practices on weed dynamics, growth, and yield of spring maize. The experiment included seven treatments: a weedy check, weed-free plot, pre-emergence application of atrazine at 1.25 a.i. kg/ha (AtPrE), post-emergence application of atrazine at 1.25 a.i. kg/ha (AtPoE), manual weeding at 30 DAS, mini-tiller at 30 DAS, and LaPoE (tembotrione 42% SC + a

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20

Freckleton, Robert P., and Andrew R. Watkinson. "Are weed population dynamics chaotic?" Journal of Applied Ecology 39, no. 5 (2002): 699–707. http://dx.doi.org/10.1046/j.1365-2664.2002.00748.x.

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21

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 (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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22

Maxwell, Bruce D., and Roger L. Sheley. "Noxious Weed Population Dynamics Education Model." Weed Technology 11, no. 1 (1997): 182–88. http://dx.doi.org/10.1017/s0890037x00041555.

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An educational software program was developed to demonstrate the interactions among weed population demographic processes, plant community interactions, and grassland noxious weed management options. The software includes an example model parameterized to simulate yellow starthistle population dynamics and graphic output. The software allows students to change weed and competing grass population demographic parameters, herbicide, and biological control management options. The graphic output allows the user to observe the outcome of integration of weed biology and various weed management option

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23

Gonzalez-Andujar, Jose L., and Irene Gonzalez-Garcia. "Detecting and Explaining Long-Term Trends in a Weed Community in a Biennial Cereal–Legume Rotation." Agronomy 15, no. 2 (2025): 311. https://doi.org/10.3390/agronomy15020311.

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The technique of Dynamic Factor Analysis (DFA), which aims to reduce the dimensionality of time-series data, was utilized in order to model the changes over time in eight different long-time-series weeds (26 years) growing in a biennial cereal–legume rotation. The aim of the present study was to determine the existence of long-term trends in a weed community and to identify the factors that determine them. A common trend was extracted that captured the main signal of abundance over time, indicating latent influences affecting all species. Canonical correlation analysis showed strong associatio

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Raghuwanshi, Monika, A. K. Jha, Badal Verma, Pushpendra Singh Yadav, and Arti Shrivastava. "Weed Dynamics of Fodder Maize as Influenced by Different Herbicides." International Journal of Environment and Climate Change 13, no. 7 (2023): 245–51. http://dx.doi.org/10.9734/ijecc/2023/v13i71873.

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The advancements in fodder maize cultivation practices over the past few years, has paved a change in the makeup of weed associations. This made it necessary to incorporate new, effective herbicides in the struggle against maize's primary weeds. Therefore, a field experiment was conducted at Research Farm, AICRP on Forage Crops, Department of Agronomy, JNKVV, Jabalpur (Madhya Pradesh) during Kharif season 2019 to devise an appropriate combination of herbicides required for the control of the complex weed diversity in fodder maize. The field experiment was laid out in randomized block design (R

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Ngouajio, Mathieu, and Milton E. McGiffen. "Going Organic Changes Weed Population Dynamics." HortTechnology 12, no. 4 (2002): 590–96. http://dx.doi.org/10.21273/horttech.12.4.590.

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Organic agriculture is growing in importance worldwide. In the United States, the rate of increase of organic growers was estimated at 12% in 2000. However, many producers are reluctant to undertake the organic transition because of uncertainty of how organic production will affect weed population dynamics and management. The organic transition has a profound impact on the agroecosystem. Changes in soil physical and chemical properties during the transition often impact indirectly insect, disease, and weed dynamics. Greater weed species richness is usually found in organic farms but total weed

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Mt. Pleasant, Jane, R. E. McCollum, and H. D. Coble. "Weed Population Dynamics and Weed Control in the Peruvian Amazon." Agronomy Journal 82, no. 1 (1990): 102–12. http://dx.doi.org/10.2134/agronj1990.00021962008200010024x.

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Kaur, K., R. K. Dubey, and M. S. Bhullar. "Effect of integrated weed management on weed dynamics in rose." Journal of Applied Horticulture 23, no. 03 (2021): 344–47. http://dx.doi.org/10.37855/jah.2021.v23i03.62.

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An experiment was directed to assess the effect of integrated weed management practices on weed density and dry biomass in rose cv. Gruss-en-Tepltiz by using treatments paddy straw mulch 0.6 kg/m2, paddy straw mulch 1.2 kg/m2, oxyfluorfen 0.025 g/m2, oxyfluorfen 0.025 g/m2 + paddy straw mulch 0.6 kg/m2, oxyfluorfen 0.025 g/m2 + paddy straw mulch 1.2 kg/m2, hand weeding (at monthly interval) and unweeded control. The least value of weed count of diverse species was recorded in hand weeding closely followed by oxyfluorfen 0.025 g/m2 + paddy straw mulch 1.2 kg/m2. Dry biomass of weeds and weed co

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Norris, Robert F. "Weed Science Society of America weed biology survey." Weed Science 45, no. 3 (1997): 343–48. http://dx.doi.org/10.1017/s0043174500092961.

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WSSA members were surveyed in 1993–1994 to determine their perceptions of the contribution of weed biology to weed management. A questionnaire was included in the society newsletter, from which 152 responses were returned by mail or collected at the 1994 annual meeting. Over half the respondents felt that the overall contribution of weed biology to weed management had been moderate to high. Aspects of population dynamics and competition emerged as the areas that respondents felt should have the greatest impact on weed management in the future. The areas of computer modeling, interactions betwe

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Choudhary, Ruchika, Arvind Verma, Manish Tomar, Kannoj, Lalchand Kumawat, and Ashok Kumar Samota. "Influence of Weed Management on Weed Dynamics and Nutrient Assimilation by Weeds in Dill (Anethum graveolens L.)." Ecology, Environment and Conservation 30, Suppl (2024): S517—S520. http://dx.doi.org/10.53550/eec.2024.v30i06s.074.

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Dill (Anethum graveolens L.) is a minor aromatic seed spice crop grown on residual soil moisture. Since it’s a long duration crop (140-150 days), weed menace is a major problem in it, keeping this in view, a research experiment was conducted during rabi 2020-21 & 2021-22 at MPUAT, Udaipur. The experiment consisted of thirteen treatments that were applied to dill in a three replication randomized block design (RBD). Among the herbicidal weed management treatments, post-emergence (15 DAS) application of oxadiargyl 75 g ha-1 PE fb HW at 40 DAS resulted in the lowest weed density and dry matte

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Stiegelmeier, Elenice Weber, and Glaucia Maria Bressan. "Weed infestation control using a p-fuzzy model." OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA 22, no. 4 (2024): e4243. http://dx.doi.org/10.55905/oelv22n4-140.

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In the context of the use of mathematical models to describe the population dynamics, the present work aims to propose a model using Fuzzy Rule Based Systems (SBRF) to describe the control of weed population dynamics, from the point of theoretical view. The input variable is the weed population (discretized into 6 classes: low, medium low, medium, medium high, high, very high) and the output is the population variation rate (discretized into 4 classes: low-negative, low-positive, medium-positive, high-positive). In order to control the population a fuzzy control model is presented. The control

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Kusumawati, Aries, and Netti Herawati. "Assessment of Weed Dominance Dynamics Across Varied Weeding Interval in Onion Cultivation on Ultisol Soils." JERAMI : Indonesian Journal of Crop Science 7, no. 1 (2024): 28–34. https://doi.org/10.25077/jijcs.7.1.28-34.2024.

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Weed management is a crucial aspect of agricultural productivity, particularly in onion cultivation, where competition with weeds can significantly impact crop yields. This study investigates the dynamics of weed dominance in onion cultivation on Ultisol soil, focusing on various weeding intervals. A field experiment assessed weed species composition and density across different weed-free periods: 0-20, 20-40, and 40-60 days after planting. Results indicated that weed diversity fluctuated, revealing 29 weed species consisting of broadleaf, grass, and sedge types. Overall, broadleaf weeds were

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Bhowmik, Prasanta C. "Weed biology: importance to weed management." Weed Science 45, no. 3 (1997): 349–56. http://dx.doi.org/10.1017/s0043174500092973.

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Knowledge of weed biology is essential for development of both economically and environmentally acceptable weed management systems. Weed biology relates to plant attributes such as morphology, seed dormancy and germination, physiology of growth, competitive ability, and reproductive biology. Concepts of population biology such as seedbank dynamics for annuals and root reserves, dormancy, and longevity of vegetative propagules for perennials can be used to predict weed infestations better and to evaluate sustainable management strategies. Integrated approaches that give priority to depletion of

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Stuti Maurya, Dinesh Sah, and Amit Mishra. "Effects of weed management strategy on weed dynamics and its repercussion on productivity of Indian mustard." Journal of Oilseed Brassica 16, no. 1 (2025): 88–92. https://doi.org/10.56093/job.v16i1.13.

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A field experiment was conducted during rabi season of 2022-23, at Banda University of Agriculture and Technology, Banda, Uttar Pradesh to study the efficacy of herbicides on weed dynamics and productivity of Indian mustard [Brassica juncea (L.) Czern & Coss]. Experiment was laid out in Randomized Block Design with eight treatments and replicated four times. Experimental crop of mustard was infested with several weeds viz. Cyperus rotundus, Cynodon dactylon, Anagalis arvensis, Chenopodium album, Dacaus carota,Rumex crispus.All the cultural and herbicidal treatments effectively reduced the

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K. N., Geetha, Vidyashree B. S., Shobha Sondhia, et al. "Effect of Changing Temperature and CO2 Concentration on Weed Dynamics and Behaviour: A Review." International Journal of Environment and Climate Change 14, no. 11 (2024): 545–60. http://dx.doi.org/10.9734/ijecc/2024/v14i114567.

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Agriculture and climate change are interwoven with each other in various measures, as climate change is the main culprit of biotic and abiotic stresses, which has adverse impact on crops and weed flora and the effectiveness of weed management strategies. Indeed weed physiology and crop productivity has been greatly influenced by several means of climate variability. Climate change causes a shift in weed population dynamics by altering the physiological pathways with the changing temperature and CO2 conditions. Climate change can affect crop-weed interactions by favouring C4 weeds in increased

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Singh, Adesh. "Effect of herbicide combinations on weed dynamics, nutrient removal and yield of Wheat (Triticum aestivum L.) under north western plain zone." International Journal of Agricultural Invention 2, no. 01 (2017): 10–15. http://dx.doi.org/10.46492/ijai/2017.2.1.3.

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A field experiment was conducted to study the effect of different weed control practices on weed dyanamics, nutrient uptake and yield of wheat (Triticum aestivum L.) in rabi seasons of 2010-11 and 2011-12 at Crop Research Centre of SVPUAandT, Meerut. The treatments comprising pre-emergence application of pendimethalin @ 1000 g/ha, post emergence application of isoproturon @1200 g/ha, isoproturon+2,4-D @ 1200+600 g/ha, isoproturon+metsulfuron methyl @ 1200+4 g/ha, fenoxaprop -p-ethyl @ 80 g/ha, fenoxa prop -p-ethyl +2,4-D @ 80+600 g/ha, fenoxa prop -p-ethyl +metsulfuron methyl @ 80+4 g/ha, clod

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Abbas, Rana Nadeem, Asif Iqbal, Muhammad Aamir Iqbal, et al. "Weed-Free Durations and Fertilization Regimes Boost Nutrient Uptake and Paddy Yield of Direct-Seeded Fine Rice (Oryza sativa L.)." Agronomy 11, no. 12 (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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Anderson, Randy L. "A rotation design to reduce weed density in organic farming." Renewable Agriculture and Food Systems 25, no. 3 (2010): 189–95. http://dx.doi.org/10.1017/s1742170510000256.

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AbstractWeeds are a major obstacle to successful crop production in organic farming. Producers may be able to reduce inputs for weed management by designing rotations to disrupt population dynamics of weeds. Population-based management in conventional farming has reduced herbicide use by 50% because weed density declines in cropland across time. In this paper, we suggest a 9-year rotation comprised of perennial forages and annual crops that will disrupt weed population growth and reduce weed density in organic systems. Lower weed density will also improve effectiveness of weed control tactics

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J.S. MISHRA and V.P. SINGH. "Weed dynamics and productivity of soybean (Glycine max) - based cropping systems as influenced by tillage and weed management." Indian Journal of Agronomy 54, no. 1 (2001): 29–35. http://dx.doi.org/10.59797/ija.v54i1.4774.

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A field experiment was conducted during 2001-02 to 2004-05 at Jabalpur to find out the effect of 4 tillage se- quences [zero-till planting of both the crops (ZT-ZT), conventional planting in both the crops (CT-CT), and two rota- tional tillage sequences that altered between zero-till and conventional tillage (ZT-CT and CT-ZT)] and three weed control treatments (weedy check, herbicide alone, and herbicide + 1 hand weeding at 30 days after sowing) on weeds and productivity of soybean ( Glycine max L. Merr.)-based cropping systems, comprising soybean during the rainy ( kharif) and wheat ( Triticu

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Nagarjun, P., G. N. Dhanapal, M. T. Sanjay, et al. "Impact of Herbicide Combinations on Soil Microflora, Enzyme Activity, Nutrient Dynamics, and Weed Index in Dry Direct-Seeded Rice." Agriculture Association of Textile Chemical and Critical Reviews 13, no. 2 (2025): 148–52. https://doi.org/10.21276/aatccreview.2025.13.02.147.

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Dry direct-seeded rice (DSR) is gaining prominence as a sustainable alternative to conventional transplanting due to labor shortages and water scarcity. However, weed infestation remains a critical challenge in this method, significantly reducing yields. This study evaluates the impact of various herbicide combinations on soil microflora, enzyme activity, nutrient uptake, and weed control in DSR. A field experiment was conducted at the Main Research Station, Hebbal, University of Agricultural Sciences, Bengaluru, India, using a randomized block design with twelve treatments, including chemical

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Swanton, Clarence J., Kevin Chandler, and Anil Shrestha. "Weed seed return as influenced by the critical weed-free period in corn (Zea mays L.)." Canadian Journal of Plant Science 79, no. 1 (1999): 165–67. http://dx.doi.org/10.4141/p98-044.

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Seed return from later emerging weeds is a concern in weed management systems based on critical periods of control. A study in Ontario found that estimated weed seed return to the soil surface was influenced by the duration of weed control in corn and the prevailing environmental conditions. Weeds emerging after the 8- to 11-leaf stage of corn growth did not cause an increase in total seed number compared to the residual seed bank in the weed-free control. Key words: Seedbank, weed population dynamics, integrated weed management

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Soujanya, V., M. Goverdhan, T. Ram Prakash, and A. Srinivas. "Weed dynamics under semidry rice as influenced by integrated weed management." International Journal of Chemical Studies 8, no. 6 (2020): 1739–43. http://dx.doi.org/10.22271/chemi.2020.v8.i6y.11017.

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Nagre, B. S., A. B. Kamble, N. J. Danawale, and M. B. Dhonde. "Crop geometry and weed management effect on weed dynamics in soybean." Indian Journal of Weed Science 49, no. 1 (2017): 95. http://dx.doi.org/10.5958/0974-8164.2017.00025.9.

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Bajwa, Ali A., Aman Ullah, Muhammad Farooq, Bhagirath S. Chauhan, and Steve Adkins. "Competition dynamics of Parthenium hysterophorus in direct-seeded aerobic rice fields." Experimental Agriculture 56, no. 2 (2019): 196–203. http://dx.doi.org/10.1017/s0014479719000292.

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AbstractParthenium hysterophorus is a prolific invasive weed species, which infests many crops in over 40 countries around the world. A 2-year field study was carried out to quantify the potential impacts of this weed on direct-seeded rice. Parthenium weed was allowed to compete for 2, 4, 6 or 8 weeks after crop emergence, while full season weedy and weed-free plots were maintained as controls. Parthenium weed plants grew taller and attained more biomass as the competition duration prolonged. The yield and yield-related attributes of rice were negatively affected with increasing competition du

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Bir, Md Shahidul Haque, Min Yong Eom, Md Romij Uddin, et al. "Weed Population Dynamics under Climatic Change." Weed & Turfgrass Science 3, no. 3 (2014): 174–82. http://dx.doi.org/10.5660/wts.2014.3.3.174.

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FRECKLETON, R. P., and P. A. STEPHENS. "Predictive models of weed population dynamics." Weed Research 49, no. 3 (2009): 225–32. http://dx.doi.org/10.1111/j.1365-3180.2009.00694.x.

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Rajput, Kavita D., J. P. Bholane, A. S. Latkar, and V. M. Bhale. "Effect of weed management practices on weed dynamics and yield in black gram (Phaseolus mungo)." INTERNATIONAL JOURNAL OF AGRICULTURAL SCIENCES 17, AAEBSSD (2021): 87–91. http://dx.doi.org/10.15740/has/ijas/17-aaebssd/87-91.

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A field investigation was carried out during Kharif season in 2010 at Agronomy Department Farm, Dr.Panjabrao Deshmukh Krishi Vidyapeeth, Akola, to evaluate the effect of four herbicides (imazethapyr, pendimethalin, fenoxyprop-p-ethyl and quizalofop -p-ethyl) applied at different rates with different time of application (pre-emergence, post emergence and combination of both) and cultural practices i.e. hand weeding and hoeing on weed flora, growth and yield of black gram (Phaseolus mungo L.) .The experiment was laid out in randomized block design replicated three times with thirteen treatments

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Canner, Stephen R., L. J. Wiles, Robert H. Erskine, Gregory S. McMaster, Gale H. Dunn, and James C. Ascough. "Modeling With Limited Data: The Influence of Crop Rotation and Management on Weed Communities and Crop Yield Loss." Weed Science 57, no. 2 (2009): 175–86. http://dx.doi.org/10.1614/ws-08-036.1.

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Theory and models of crop yield loss from weed competition have led to decision models to help growers choose cost-effective weed management. These models are available for multiple-species weed communities in a single season of several crops. Growers also rely on crop rotation for weed control, yet theory and models of weed population dynamics have not led to similar tools for planning of crop rotations for cost-effective weed management. Obstacles have been the complexity of modeling the dynamics of multiple populations of weed species compared to a single species and lack of data. We develo

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Daba, Nano Alemu, and Janmejai Sharma. "Assessment of Integrated Weed Management Practices on Weed Dynamics, Yield Components and Yield of Faba bean (Vicia faba L.) in Eastern Ethiopia." Turkish Journal of Agriculture - Food Science and Technology 6, no. 5 (2018): 570. http://dx.doi.org/10.24925/turjaf.v6i5.570-580.1773.

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The experiment was conducted to assess the integrated effects of pre-emergence herbicides and hand-weeding on weed control, yield components, yield, and their economic feasibility for cost effective weed control in faba bean. The experiment consisted of 12 treatments viz. pre-emergence s-metolachlor (1.0, 1.5 and 2.0 kg ha-1) and pendimethalin (1.0, 1.25 and 1.5 kg ha-1), each at three rates metolachlor, s-metolachlor + one-hand-weeding, pendimethalin + one-hand-weeding, two-hand-weeding, complete weed free and weedy checks arranged. The weed flora consisted of broadleaved and sedge with the r

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Johnson, W. Carroll, and B. G. Mullinix. "Population dynamics of yellow nutsedge (Cyperus esculentus) in cropping systems in the southeastern coastal plain." Weed Science 45, no. 1 (1997): 166–71. http://dx.doi.org/10.1017/s0043174500092638.

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Studies were conducted from 1990 through 1994 near Tifton, GA, on the population dynamics of yellow nutsedge and certain annual weeds in peanut—corn and peanut—cotton rotations. Converse rotation sequences were included to eliminate year effects. Continuous fallow plots (noncrop) were included for comparison. Within each crop, including fallow, were 3 levels of weed management: low, moderate, and intensive. Weed densities and numbers of yellow nutsedge tubers were not affected by crop rotations, but they were affected by individual crops and weed management systems in each crop. Fallow plots,

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Neetu, Verma,, K. L. Nandeha, and V. K. Swarnkar. "Effect of Different Weed Management Practices on Yield and Weed Dynamics of Summer Sesame (Sesamum indicum L.)." International Journal of Current Microbiology and Applied Sciences 12, no. 2 (2023): 74–82. http://dx.doi.org/10.20546/ijcmas.2023.1202.007.

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A field investigation entitled “Effect of different weed management practices on growth, yield and weed dynamics of summer sesame (Sesamum indicum L.)” was under taken during summer seasons of 2020 and 2021 at agricultural farm of Krishi Vigyan Kendra, Pahanda (A), Durg (Chhattisgarh). The experiment was laid out in Randomized Block Design (RBD) with three replications. The treatments comprised W1: Weedy check, W2: Hand weeding at 20 and 40 DAS, W3: Pendimethaline 30 EC @ 1 kg ai ha-1 as PE, W4: Quizalofop ethyl 5 EC @ 40 g ai ha-1 at 20 DAS, W5: Propaquizafop 10 EC @ 50-100 g ai ha-1 at 20 DA

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