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Journal articles on the topic 'Weeds'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

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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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 (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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4

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 (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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5

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 (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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6

Aadi, Omar N., and Ahmed A. Almarie. "Critical Period for Weed Competition in Sesame under Iraqi Irrigated Areas." IOP Conference Series: Earth and Environmental Science 1371, no. 5 (2024): 052011. http://dx.doi.org/10.1088/1755-1315/1371/5/052011.

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Abstract To determine the Critical Period for Weed Competition in Sesame crop and predict the total yield losses by weed competition, a field experiment was conducted during season 2023 using three sesame varieties which were Wadaa, Rafidain, and Had by making the field free of weeds by hand for periods of 1, 2, 3, 4, 5 weeks beginning from crop emergence. Then, allowed weeds to grow after these periods until the end of the growing season. Results of the study determined this period by making the field free of weeds for three weeks after emergence depending on acceptable yield losses of 10-12%

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7

Njoroge, J. M. "Weeds and Weed Control in Coffee." Experimental Agriculture 30, no. 4 (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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8

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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9

Mubeen, Khuram, Muhammad Shehzad, Naeem Sarwar, 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 (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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10

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 (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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11

Jursík, M., J. Holec, J. Soukup, and V. Venclová. "Competitive relationships between sugar beet and weeds in dependence on time of weed control." Plant, Soil and Environment 54, No. 3 (2008): 108–16. http://dx.doi.org/10.17221/2687-pse.

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Small plot trials were carried out in years 2001–2003 with sugar beet. In the treatment without weed control, dry weight of sugar beet top and LAI of sugar beet were very low (approx. 50 g/m<sup>2</sup> and 0.5 m<sup>2</sup>/m<sup>2</sup>, respectively). Yield loss of sugar beet was 80–93%. Dominant weeds were <I>Chenopodium album, Fumaria officinalis</I> and <I>Galium aparine</I>. In the treatments where weeds were removed (by hand) until 4 leaf stage of sugar beet, dry weight of sugar beet top and LAI of sugar beet at first increase

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12

Moyo, C., K. C. Harrington, P. D. Kemp, and J. P. J. Eerens. "Herbicide deposition on weeds from weed wipers." New Zealand Plant Protection 61 (August 1, 2008): 395. http://dx.doi.org/10.30843/nzpp.2008.61.6873.

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Weed wipers available in New Zealand vary in their mechanisms for delivering herbicide The objective of this experiment was to measure clopyralid output from three weed wipers using a standardised methodology The herbicide output for the Eliminator Rotowiper and Weedswiper was investigated at different speeds of application The herbicide was applied to artificial weeds covered in plastic sleeves folded at the base to collect drips while the three wipers were driven over the artificial weeds The sleeves were then removed and washed with water The resultant solution was then analysed for clopyra

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13

Tei, F., P. Montemurro, D. T. Baumann, et al. "WEEDS AND WEED MANAGEMENT IN PROCESSING TOMATO." Acta Horticulturae, no. 613 (September 2003): 111–21. http://dx.doi.org/10.17660/actahortic.2003.613.13.

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14

Hamada, Azhari Abdelazim. "Weeds and Weed Control Methods in Sudan." Journal of Weed Science and Technology 45, Supplement (2000): 12–13. http://dx.doi.org/10.3719/weed.45.supplement_12.

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15

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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16

Habib, Rehan, Khuram Mubeen, Ammar Matloob, and Muhammad Baqir Hussain. "INTERFERENCE OF HORSE PURSLANE (Trianthema portulacastrum L.)ON GROWTH AND YIELD OF SOYBEAN[Glycine max (L.) Merr.]." JOURNAL OF WEED SCIENCE RESEARCH 27, no. 2 (2020): 61–73. http://dx.doi.org/10.28941/pjwsr.v26i1.830.

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Horse purslane is one of the most spreading and problematic weed in Pakistan’s Punjab region during summer. A field experiment to check the interference of horse purslane (Trianthema portulacastrum L.) on growth and yield of soybean was conducted at research area of MNSUniversity of Agriculture Multan in summer, 2018 The experiment was carried out in Randomized Complete Block Design (RCBD) having three replications and comprising of ten treatments i.e. Weed free (whole season), horse purslane free till 20 Days after emergence (DAE), horse purslane free till 40 DAE, horse purslane free till 60

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17

James, T. K., A. Rahman, and M. Trolove. "Optimal timing for post emergence applications of nicosulfuron for weed control in maize." New Zealand Plant Protection 59 (August 1, 2006): 250–54. http://dx.doi.org/10.30843/nzpp.2006.59.4407.

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Field trials were conducted over three growing seasons to ascertain optimal timing for post emergence application of nicosulfuron in maize when no preemergence herbicides were used Nicosulfuron (60 g/ha) was applied at 1 to 7 weeks after maize emergence Dry matter and leaf area of maize plants grass and broadleaf weeds were determined at the time of treatment Maize grain yields were used as the major determinant to assess the impact of different timings of postemergence weed control The early season (weeks 13) weed control achieved with nicosulfuron was excellent but subsequent germination of

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18

Kleiman, Blaire, and Suzanne Koptur. "Weeds Enhance Insect Diversity and Abundance and May Improve Soil Conditions in Mango Cultivation of South Florida." Insects 14, no. 1 (2023): 65. http://dx.doi.org/10.3390/insects14010065.

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This study examined if weeds could serve as insectary plants to increase beneficial insect abundance and diversity in mango cultivation in southern Florida. Additionally, we examined how weed presence affects mango tree soil health. We found that weeds significantly increased pollinating and parasitoid insect abundance and diversity. Eight insect orders and eighteen families were significantly more abundant on mango trees with weeds growing beneath them than those where weeds were removed. There was no difference in predatory insects between treatments, and slightly more herbivorous insects on

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19

OPADOKUN, Wasiu Olanrewaju, and Kehinde Stephen OLORUNMAIYE. "Effects of Weed Density and Distance on the Growth and Yield of Two Okra (Abelmoscus esculentus) Varieties." Notulae Scientia Biologicae 11, no. 3 (2019): 429–35. http://dx.doi.org/10.15835/nsb11310448.

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A field experiment was conducted at the botanical garden of the University of Ilorin to determine the effects of weed density and distance on the growth and yield of two varieties of okra (NHAe-40 days and Kirikoi). The experiment was a complete randomized block design with eleven treatments and three replicates. The treatment details include T0 = No weed, T1 = One weed per plant T2= Two weeds per plant, T3 = Three weeds per plant, T4 = Four weeds per plant, T5 = Five weeds per plant, T6 = Six weeds per plant, T7 = Seven weeds per plant, T8 = Eight weeds per plant, T9 = Nine weeds per plant an

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20

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 (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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21

Nizam Zubir, Mohd, and Nurul Shamimi Abdul Ghani. "MANAGEMENT OF WEEDS ON PINEAPPLE FARM USING SELECTIVE HERBICIDE ON PEAT SOIL." International Journal of Agriculture and Environmental Research 09, no. 06 (2023): 1021–29. http://dx.doi.org/10.51193/ijaer.2023.9603.

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Weeds pose problem to the production of pineapple by competing for nutrients, space, light and water. Pineapple production without good weed management could reduce yield and could cause insects infestation such as mealybugs that could spread serious disease for instance pineapple mealybug wilt-associated virus. Weed management using selective herbicide kills the weed without affecting pineapple plant growth and fruit quality. Four different selective herbicides were chosen with active ingredients of Atrazine, Ametryn, Bromacil and Diuron. Three frequencies of application were chosen which are

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22

Goodison, Lorna. "Weeds." Callaloo 30, no. 1 (2007): 284. http://dx.doi.org/10.1353/cal.2007.0131.

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23

Judd, Ellen. "Weeds?" Bulletin of Concerned Asian Scholars 18, no. 1 (1986): 64–69. http://dx.doi.org/10.1080/14672715.1986.10412592.

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24

Himel, Nancy. "Weeds." Prairie Schooner 81, no. 1 (2007): 88. http://dx.doi.org/10.1353/psg.2007.0066.

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25

Valdiserri, Ronald O. "Weeds." Emerging Infectious Diseases 12, no. 6 (2006): 1031–32. http://dx.doi.org/10.3201/eid1206.ad1206.

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26

McDonald, Philip M., and John C. Tappeiner II. "Weeds." Journal of Forestry 84, no. 10 (1986): 33–37. http://dx.doi.org/10.1093/jof/84.10.33.

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27

Vypritskaya, A. A., and A. A. Kuznetsov. "Weeds - weeds possible pathogens of sunflower." Agrarian science 327, no. 2 (2019): 79–82. http://dx.doi.org/10.32634/0869-8155-2019-326-2-79-82.

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28

Laude, S. "Competitiveness of tomato (Lycopersicon esculentum Mill.) with weeds at various nitrogen doses and weed free periods." IOP Conference Series: Earth and Environmental Science 1253, no. 1 (2023): 012030. http://dx.doi.org/10.1088/1755-1315/1253/1/012030.

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Abstract The research objectives were to determine the effect of nitrogen dose and weed-free period on the competitiveness of tomato plants with weeds. The research used 6 x 4 Factorial Randomized Group Design. The first factor was the weed-free period (P) which consisted of six levels, namely weeds during tomato growth (P0), weed-free two weeks after planting (P1), weed-free four weeks after planting. (P2), weed-free six weeks after planting (P3), weed-free eight weeks after planting (P4), and weed free until harvest (P5). The second factor was the dose of nitrogen (N) consisting of 4 levels,

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29

Damalas, Christos A., and Spyridon D. Koutroubas. "Weed Competition Effects on Growth and Yield of Spring-Sown White Lupine." Horticulturae 8, no. 5 (2022): 430. http://dx.doi.org/10.3390/horticulturae8050430.

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White lupine (Lupinus albus L.) is an annual legume that is grown for both seeds and green biomass, but several agronomic aspects of this crop, including response to weed competition, have not been studied extensively. Field experiments over two growing seasons (2012 and 2016) were carried out in Orestiada, Greece, to study the growth and development of spring-sown white lupine under season-long weed competition from natural weed flora compared with its growth without weed competition. Treatments were arranged in a randomized complete block design with four replications and included (i) a non-

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30

Younis, Muhammad, Nabeel A. Ikram, Shahid Iqbal, et al. "Weed-competition effects on proso millet (Panicum miliaceum L.): implications for the farmers." International Journal of Agricultural Extension 9, no. 3 (2021): 329–34. http://dx.doi.org/10.33687/ijae.009.03.3564.

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Climate resilient proso millet (Panicum miliaceum L.) is viable option to mitigate increasing abiotic stresses due to climate change and food security in the long run. An experiment was conducted at research area of MNS-University of Agriculture, Multan in 2019 to evaluate the impact of weed competition on growth and yield of proso millet. Proso millet variety Upea was sown in the last week of February 2019 with 20 cm row to row spacing using 5 kg seed per acre. Experiment was comprised of treatments of weeds competition period for viz; zero competition, competition for 2 weeks after emergence

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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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32

Harrington, K. C., and T. Zhang. "Herbicides for controlling weeds in Mercury Bay weed." Proceedings of the New Zealand Plant Protection Conference 50 (August 1, 1997): 462–66. http://dx.doi.org/10.30843/nzpp.1997.50.11304.

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33

Kleiman, Blaire M., Suzanne Koptur, and Krishnaswamy Jayachandran. "Weeds Enhance Pollinator Diversity and Fruit Yield in Mango." Insects 12, no. 12 (2021): 1114. http://dx.doi.org/10.3390/insects12121114.

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Agriculture is dependent on insect pollination, yet in areas of intensive production agriculture, there is often a decline in plant and insect diversity. As native habitats and plants are replaced, often only the weeds or unwanted vegetation persist. This study compared insect diversity on mango, Mangifera indica, a tropical fruit tree dependent on insect pollination, when weeds were present in cultivation versus when they were removed mechanically. The pollinating insects on both weeds and mango trees were examined as well as fruit set and yield in both the weed-free and weedy treatment in So

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34

Boutin, Céline, Benoît Jobin, Luc Bélanger, and Line Choinière. "Comparing weed composition in natural and planted hedgerows and in herbaceous field margins adjacent to crop fields." Canadian Journal of Plant Science 81, no. 2 (2001): 313–24. http://dx.doi.org/10.4141/p00-048.

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Hedgerows and field margins are common features of the agricultural landscape in southern Québec. In the last decade, hedgerow establishment has been encouraged primarily for the prevention of soil erosion, though many farmers view them as reservoirs of invasive weeds and pests. In this study, we compared weed assemblages of several hedgerow types and herbaceous field margins. Ranking that takes into consideration weed abundance was clearly demonstrated: planted hedgerows > herbaceous field margins > natural woody hedgerows. The latter harboured many perennial plant species of less weedy

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35

Arnaud-Freddy, Yapi. "Constraining weeds in okra cultivation and farmer management of weeds in South-East of Côte d'Ivoire." Journal of Biodiversity and Environmental Sciences (JBES) 25, no. 4 (2024): 71–78. https://doi.org/10.5281/zenodo.15510654.

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This study was carried out among okra growers in the La Mé region, with the aim of identifying farmers’ weed management practices and the main weeds present in the fields. Using a questionnaire coupled with a floristic inventory in each field, the agrotechnical characteristics of the farms and the main weed species were determined. The results show that 94.67% of the farmers surveyed use herbicides and 67.33% use insecticides. Almost all the herbicides used were total herbicides, applied before sowing. 68.67% of growers carry out three weed control operations per production cycle,

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36

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 (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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37

Mikulka, J., M. Korčáková, V. Burešová, and J. Andr. "Changes in weed species spectrum of perennial weeds on arable land, meadows and pastures." Plant Protection Science 45, Special Issue (2010): S63—S66. http://dx.doi.org/10.17221/2805-pps.

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Occurrence of selected perennial weeds has been monitored at control sites across the Czech Republic since 1989, and trends of their occurrence have been evaluated. The monitoring has been aimed mainly at <i>Cirsium arvense</i> (L.) SCOP, <i>Sonchus arvensis</i> L., <i>Artemisia vulgaris</i> L., <i>Stachys palustris</i> L., <i>Bolboschoenus planiculmis</i>, <i>Bolboschoenus laticarpus</i>, and <i>Elytrigia repens</i> (L.) NEV. on arable land and <i>Taraxacum officinale</i> L.A. on pastures and meado

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38

Ayodele, Olatunde Philip. "Interpreting Morphology and Yield Response of Okra (Abelmoschus esculentus) to Weed Variables Using Regression Analysis." Tunisian Journal of Plant Protection 17, no. 2 (2022): 67–76. http://dx.doi.org/10.52543/tjpp.17.2.3.

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The cohabitation of weeds with crops may not always pose problems. Weeds are plant pests that negatively impact crop yield. However, it is essential to determine when pest status is reached in crops for weed management decisions in crop production. Field experiments were conducted during the rainy seasons of 2017 and 2018 at the research farm of the Institute of Agricultural Research and Training Ibadan (7o38' N 3o 84' E), located in the rainforest-savanna transition agroecology of southwestern Nigeria. The experiments consisted of nine weed management practices and a weedy check arranged in R

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39

Sharofiddinova, M. J. "The Effects Of Weed Control Methods On Weeds In Cotton And Autumn Wheat Fields." American Journal of Agriculture and Biomedical Engineering 02, no. 12 (2020): 9–13. http://dx.doi.org/10.37547/tajabe/volume02issue12-03.

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This article provides the results of harmonized weed control measures, which annual and biennial weeds in cotton and autumn wheat fields have been reduced by 80.2-82.7% in cotton fields and by 93.5% in autumn wheat fields.

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40

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 (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 (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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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 (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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Roberts, Warren, Jim Shrefler, Jim Duthie, and Jonathan Edelson. "MECHANICAL AND CHEMICAL ALTERNATIVES FOR WEED CONTROL IN WATERMELON." HortScience 31, no. 5 (1996): 758e—758. http://dx.doi.org/10.21273/hortsci.31.5.758e.

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A study was conducted in southeastern Oklahoma to determine treatments or combinations of treatments that provided the best weed control and crop yield for watermelon. `Allsweet' watermelons were grown with different combinations of mechanical and chemical weed control. Treatments included naptalam, clomazone, naptalam + clomazone, bensulide, naptalam + bensulide, napropamide, trifluralin, dcpa, ethalfluralin, sethoxydim, paraquat, glyphosate, cultivation, cultivation + hoeing, cultivation + paraquat, cultivation + glyphosate, and one treatment with no weed control. Glyphosate and paraquat wer

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Batyrov, Vladimir Aleksandrovich, Shamil Bairambekovich Bairambekov, and Olga Georgievna Korneva. "Effectiveness of herbicides against annual weeds (weed vegetation) on tomatoes." Agrarian Scientific Journal, no. 8 (September 10, 2021): 4–8. http://dx.doi.org/10.28983/asj.y2021i8pp4-8.

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Agrocenoses of cultivated plants are more or less overgrown with unwanted weeds, which complicate and complicate the care of plants and harvesting. The purpose of our research was to assess the impact of modern herbicides on the infestation (clogging) of tomato seedlings with annual weeds and the productivity of cultivated plants in the natural and climatic conditions of the Republic of Kalmykia. It was revealed that the main weeds of tomato plantings for all the years of research from annual dicotyledonous species were-white mar, bindweed buckwheat, bird mountaineer, southern salt grass; less

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Ghaffar, Abdul. "COMPETITIVENESS OF HORSE PURSLANE (Trianthema portulacastrum L.) WITH GROWTH AND YIELD OF COTTON (Gossypium hirsutum L.)." JOURNAL OF WEED SCIENCE RESEARCH 27, no. 2 (2020): 313–30. http://dx.doi.org/10.28941/pjwsr.v26i3.813.

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Cotton crop is an important, cash and fiber crop of Pakistan. Its raw material and other products are exported to other countries. Horse purslane is one of major weed responsible for yield reduction. Research trial was carried out at MNS University of Agriculture Multan during Kharif, 2018 to compare the effect of horse purslane on cotton growth and yield. The study was conducted using the Randomized Complete Block Design with three replications. The treatments were; plots maintained horse purslane free for whole season, for 30 days after sowing (DAS) and for 60 DAS, horse purslane and other w

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Shahzad, Muhammad, Khawar Jabran, Mubshar Hussain, et al. "The impact of different weed management strategies on weed flora of wheat-based cropping systems." PLOS ONE 16, no. 2 (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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Kashe, Keotshephile, Dikungwa Ketumile, Paul Kristiansen, Cornelius Mahilo, and Thebeetsile Moroke. "Evaluation of pre-emergence herbicides for weed control in maize." Welwitschia International Journal of Agricultural Sciences 2 (December 5, 2020): 5–18. http://dx.doi.org/10.32642/wijas.v2i.1437.

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Weed management is an ongoing constraint in southern Africa for conventional farming systems and in emerging conservation agriculture systems, which are more heavily reliant on herbicides for primary weed control. The challenge of rising labour costs and decreasing availability creates a greater need to develop effective and efficient weed management methods in key crops such as maize. Field experiments were conducted at Sebele Agricultural Research Station, Botswana in the 2011/12 and 2012/13 cropping seasons to evaluate pre-emergence application of atrazine at 1,000 and 2,000 g a.i. ha-1 and

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Ramavath, Nagasai Vardhan Naik, A. Velayutham, and Ambatipudi Janaki Prasad. "Nutrient Removal Pattern of Weeds Due to Integrated Weed Management Practices in Hybrid Maize." International Journal of Current Microbiology and Applied Sciences 11, no. 7 (2022): 247–53. http://dx.doi.org/10.20546/ijcmas.2022.1107.029.

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An experiment was conducted during rabi season of 2016-2017 at Agricultural College and Research Institute, Killikulam to study nutrient removal pattern of weeds due to integrated weed management practices in hybrid maize. Weeds compete with crops for nutrients and nutrient removal by weeds is a serious problem in a widely spaced crop like maize. Adoption of various weed control treatments exhibited significant influence on N removal by weeds on 20 DAS. Application alachlor @ 1.5 kg a.i ha-1 as pre- emergence with one hand weeding on 30 DAS (T2) registered significant lowest N removal of 5.8 k

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Bommayasamy, N., and C. R. Chinnamuthu. "Effect of preceding rice herbicide residue towards control of weeds and urdbean productivity in rice -Bhendi-urdbean sequence under high rainfall area." Environment Conservation Journal 23, no. 3 (2022): 211–16. http://dx.doi.org/10.36953/ecj.10552250.

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Field experiment was conducted at Field Crops Research unit, ICAR- Central Island Research Institute, Bloomsdale, Port Blair during summer season, 2018. To study the preceding rice herbicide residual effect in control of weeds, growth and yield of urdbean in rice-bhendi-urdbean sequence under high rainfall area. At 20 DAS, grassy weeds (48.00 weeds/m2) were predominant species of weeds followed by sedges and broad leaf weeds of 29.67 and 22.67 nos./m2 respectively. Among the irrespective of weed control treatments, at 20 DAS, residual effect of 1.25 kg/ha butachlor at 3 DAP + manual weeding at

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SARY, GABER A., MOHAMED E. R. GOMAA, ALY A. SALIM, ELHASSANIEN E. HASSANIEN, and ASHRAF M. FADL-ALLAH. "WEED CONTROL FOR SOME DOMINANT PERENNIAL WEEDS IN EGYPT." Egyptian Journal of Agricultural Research 86, no. 4 (2008): 1607–19. http://dx.doi.org/10.21608/ejar.2008.210081.

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