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Journal articles on the topic 'Weed diversity'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Dekker, Jack. "Weed diversity and weed management." Weed Science 45, no. 3 (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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2

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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Clements, D. R., S. F. Weise, and C. J. Swanton. "Integrated weed management and weed species diversity." Review article 75, no. 1 (2005): 1–18. http://dx.doi.org/10.7202/706048ar.

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Alternative practices for weed management, such as integrated weed management (IWM) may allow the persistence of weed populations below a given economic threshold. Increased species diversity of weeds also may result. If diversity increases, and the number of ecological interactions also increases, weed species should be viewed as an interactive community, rather than an unrelated set of targets for control. In this review we summarize how diversity is evaluated in unmanaged Systems, examine how IWM techniques may alter the diversity of weed species and suggest how strategies can be developed

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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 (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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Ayodele*, O. P., O. A. Aluko, J. O. Amosun, and I. O. Udemba. "Assessing the phytosociological characteristics of weed complex in okra field under different control strategies." PLANT PROTECTION NEWS 107, no. 1 (2024): 16–23. http://dx.doi.org/10.31993/2308-6459-2024-107-1-16427.

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Weed diversity is crucial for supporting ecological services, but weed control methods significantly influence weed species dominance and diversity. The present study was conducted in southwestern Nigeria’s rainforest-savanna transitional agroecological zone during the 2017 and 2018 rainy seasons. Different weed management techniques were assessed, including applying cyanide-сontaining cassava effluent (CE@3WAS), pendimethalin (P), and hoe weeding (HW@3WAS), as well as repeated applications of HW and CE (HW@3&5WAS, CE@3&5WAS), and integrated approaches (P + CE@5WAS, P + HW@5WAS, CE@3WA

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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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Adeoye, P. O., and O. S. Akinyemi S. "VARIETAL INFLUENCE OF MANGO CULTIVARS ON WEED DIVERSITY AND DENSITY IN MANGO ORCHARD." Continental J. Agricultural Science 5, no. 1 (2011): 45–50. https://doi.org/10.5281/zenodo.839963.

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In a 25-year old mango orchard at the National Horticultural Research Institute, Idi-Ishin, Ibadan, a field study was carried out in July, 2009 to assess the diversities, distribution and densities of weed species with preference to the architectural configuration of the test crop. Two varieties of mango, Edward and Saigon were used for the study. Three uniform size trees of each variety were selected to serve as replicate and each variety was replicated three times. The results indicated that more weed species thrive well under Saigon than Edward. Out of the 16 weed species found only 9 were

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Mishra, Dr Arpana. "Parthenium hysterophorus : A noxious weed for plant diversity." International Journal of Scientific Research 2, no. 9 (2012): 23–24. http://dx.doi.org/10.15373/22778179/sep2013/9.

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9

Jaypal, Kathakiya*1 Anusha Maitreya2 Himanshu Pandya3. "A Review on Weed Characteristic and Weed Management for Sustainable Farming." International Journal of Scientific Research and Technology 2, no. 3 (2025): 205–7. https://doi.org/10.5281/zenodo.15010068.

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A major obstacle to agricultural productivity worldwide, weeds pose serious problems for crop yield and quality. They are fierce rivals to farmed crops because of their competitive nature, quick growth, and capacity for environmental adaptation. With an emphasis on how weeds affect nutrient availability, water resources, and light competition, this paper offers a thorough examination of how weeds affect crop productivity. The paper also examines contemporary weed management techniques, such as mechanical, chemical, cultural, and biological control approaches. Along with integrated weed managem

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Doucet, Colleen, Susan E. Weaver, Allan S. Hamill, and Jianhua Zhang. "Separating the effects of crop rotation from weed management on weed density and diversity." Weed Science 47, no. 6 (1999): 729–35. http://dx.doi.org/10.1017/s0043174500091402.

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Crop rotation is thought to reduce weed density and maintain species diversity, thus preventing the domination of a few problem weeds. Because cropping sequence dictates other agricultural management practices, variations in weed populations between cropping systems may be the direct result of crop rotation, the result of different weed management practices associated with crop rotation, or both. Studies that fail to separate the effects of crop rotation from weed management may generate misleading results. A 10-yr crop rotation study was undertaken to study the dynamics of the standing weed v

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Naeem, Muhammad, Shahid Farooq, and Mubshar Hussain. "The Impact of Different Weed Management Systems on Weed Flora and Dry Biomass Production of Barley Grown under Various Barley-Based Cropping Systems." Plants 11, no. 6 (2022): 718. http://dx.doi.org/10.3390/plants11060718.

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Weeds are among the major issues responsible for reduction in yield and profit in any crop production system. Herbicides are the easiest and quickest solution of weeds; however, their frequent use exert negative consequences on environment, human health, and results in the evolution of herbicide-resistant weed species. Due to these reasons, alternative weed management methods that are less harmful to environment and human health are needed. This two-year study evaluated the impact of different weed management options, i.e., false seedbed (FS), allelopathic water extracts (AWE), chemical contro

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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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Ramireddy, A. Subba, A. S. Rao, G. Subba Rao, T. C. M. Naidu, A. Lalitha Kumari, and N. Trimurthulu. "Diversity of Weed Flora, Weed Density and Crop Weed Competition in Maize." International Journal of Current Microbiology and Applied Sciences 9, no. 1 (2020): 1000–1011. http://dx.doi.org/10.20546/ijcmas.2020.901.113.

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Tretyakova, A. S., O. G. Baranova, N. N. Luneva, et al. "Segetal flora of some regions of Russia: characteristics of the taxonomic structure." Proceedings on applied botany, genetics and breeding 181, no. 2 (2020): 123–33. http://dx.doi.org/10.30901/2227-8834-2020-2-123-133.

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The authors’ data on the weed species composition in 8 geographic regions of the Russian Federation were laid at the basis of this survey. The segetal flora comprised weeds of cereals, root crops, and perennial grasses. The composition and taxonomic structure of weed species were analyzed. The total number of weedy plants encompassed 686 plant species. The level of regional weed species diversity was positively related to the area planted. Altai Territory, Udmurtia, and Rostov Province had the greatest weed species diversity, with more than 300 species, while Vologda Province had the lowest di

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Storkey, J., and P. Neve. "What good is weed diversity?" Weed Research 58, no. 4 (2018): 239–43. http://dx.doi.org/10.1111/wre.12310.

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Mervis, J. "Weed-Out Courses Hamper Diversity." Science 334, no. 6061 (2011): 1333. http://dx.doi.org/10.1126/science.334.6061.1333.

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Sari, Widya, and Marwan Azis. "ANALISIS VEGETASI GULMA PADI PANDANWANGI (Oryza sativa L. Aromatic) DI SENTRA PENANAMAN PADI PANDANWANGI KABUPATEN CIANJUR." Pro-STek 3, no. 1 (2021): 41. http://dx.doi.org/10.35194/prs.v3i1.1495.

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Pandanwangi rice is superior varieties in Cianjur which has special geographical indication. Weed is one of the causes in declining of Pandanwangi rice production. The purpose of this research were to know the index of weed abundance, weed diversity index and weed similarity index on Pandanwangi rice plantation. This research was carried out from December until June 2018. with observation methods.The results of this research showed that there were differences in the abundance index (Di) of broad and narrow leaves weed in four sub-districts of Pandanwangi rice cultivation center. Cianjur subdis

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Hidayah, Hexa, Ilham Noorhakim, Dwi Wibowo, and Rosyid Al Hakim. "Weeds Diversity in Rubber Plant (Hevea Brasiliensis) at Perkebunan Nusantara Company, Ciamis, Indonesia." Indonesian Journal of Agriculture and Environmental Analytics 1, no. 1 (2022): 13–26. http://dx.doi.org/10.55927/ijaea.v1i1.728.

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This research aims to analyze the diversity of weeds species in rubber plants at Perkebunan Nusantara Company, Ciamis, Indonesia. We used the survey method with line transects sampling. Weed diversity in rubber plantations was analyzed using Shannon-Wiener Index (H'), while the evenness of plants was analyzed using the Evenness Index (E'). The research results showed that 38 species from 18 weed families were found. The weed species with the highest number is Ischaemum timorense (IVI = 36.71%) as a dominant species, while the weed species with the lowest number of individuals was Cyrtococcum p

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19

Kousta, Angeliki, Panayiota Papastylianou, Ilias Travlos, Antonios Mavroeidis, and Ioanna Kakabouki. "Effect of Fertilization and Weed Management Practices on Weed Diversity and Hemp Agronomic Performance." Agronomy 13, no. 4 (2023): 1060. http://dx.doi.org/10.3390/agronomy13041060.

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The industrial hemp market is rapidly expanding, and best crop practices need to be assessed. This study aimed to determine the effect of fertilization and weed management on hemp crops and weed flora during the 2019 and 2020 growing seasons. Field experiments were laid out in a split–split plot design with three replicates: two hemp cultivars as main plots, three fertilization treatments as sub-plots, and three sub-sub-plots (weedy, weed-free, and herbicide application). For the computation of crop traits, 10 plants were randomly selected by each plot. Weed species were collected by quadrate

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Anyoni, Otim Godfrey, David Ocan, Alfred Kumakech, Susan Tumwebaze, and Alfred Obia. "Effect of Two Years of Conservation Agricultural Practices on Weed Seed Banks Evaluated Using Three Techniques." East African Journal of Agriculture and Biotechnology 7, no. 1 (2024): 309–23. http://dx.doi.org/10.37284/eajab.7.1.2026.

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Understanding the soil seed bank is very important when developing integrated weed management technologies and detecting the influence of crop management practices on weeds. In conventional weed control, farmers tend to focus on the above-ground, yet the above-ground vegetation is related to the below-ground soil seed bank. Several soil seed bank estimation methods have been used to estimate the soil seed bank, but varying results have been obtained under different field management practices and soil depths. In this study, we compared three methods for estimating the soil seed bank: seedling e

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Sari, Resti Puspa Kartika, Hidayat Pujisiswanto, Nindy Permatasari, and Lu'lu' Kholidah Fauziah. "WEED DIVERSITY AND DOMINANCE IN SMALLHOLDER MATURE RUBBER PLANTATIONS." Jurnal Pertanian Presisi (Journal of Precision Agriculture) 8, no. 2 (2024): 152–60. https://doi.org/10.35760/jpp.2024.v8i2.12142.

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One of the obstacles in rubber plant cultivation is the presence of weeds. Weeds reduce the quantity and quality of yields, interfere with the maintenance and harvesting process, and become hosts for pests and plant diseases. This study aims to determine the diversity and dominance of weeds in smallholder rubber plantations. The research was conducted in two locations of smallholder rubber plantations in Juni-Juli 2023. The first location was in Natar, South Lampung and the second location was in Negeri Katon, Pesawaran. Sample selection was done by purposive sampling method with 4 replicates.

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Khomsah, Ma'rifatul, and Zulfikar Zulfikar. "Diversity Of Weeds Species Around Mango Tree (Mangifera indica L.) On Critical Land In Jombang Regency." JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) 3, no. 2 (2021): 104–16. http://dx.doi.org/10.36378/juatika.v3i2.1404.

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Weeds are unwanted wild plants because they can interfere with the main crop cultivation. This study aims to identify and analyze the diversity of weed vegetation that grows around mango trees. This study uses the quadratic method with diagonal observation points and direct exploration techniques. Observation parameters include the type of weed and its population. Then the results of the observations were analyzed using the formula of Important Value Index (INP), Summed Dominance Ratio (SDR), Diversity Index (H'), Index of Similarity (IS), and Dominance Index (C). After doing the research, fou

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Sitinjak, Rama R. "Composition, structure, and level of weed diversity in oil palm plantation in Pagar Merbau Village, Tanjung Morawa, Indonesia." Journal of Agriculture and Applied Biology 3, no. 2 (2022): 127–36. http://dx.doi.org/10.11594/jaab.03.02.06.

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Weed vegetation growth affects the growth and production of oil palm plants. To control weeds in plantation land, especially by using herbicides or bioherbicides, weed vegetation analysis is needed. This research was conducted to determine the composition, structure, and level of diversity of weeds in oil palm plantations owned by the community of Pagar Merbau village, Tanjung Morawa District. The method used is a descriptive method with sampling technique done by porposive sampling. The results of the analysis showed that weeds found were 7 families, 10 species, and 3153 individuals. Weed spe

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Sujinah, Sujinah, Swisci Margaret, Nurwulan Agustiani, Rina Dirgahayu Ningsih, and Indrastuti Apri Rumanti. "Diversity and Allelopathic Potential of Weeds in Swampland." PLANTA TROPIKA 11, no. 2 (2023): 123–32. http://dx.doi.org/10.18196/pt.v11i2.16491.

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Weeds are plant disturbing organism that affect yields through competition and allelopathy. However, not much is known about weed diversity in swamps, so research is needed to identify their types and compounds as a weed control strategy. This study was conducted using a survey method from January to March 2020 at the Barito Kuala District, South Kalimantan. Thirty villages were randomly selected from each of the eight chosen subdistricts. Out of the twenty-six weed species identified, there were ten species of grasses, seven sedges, and nine broadleaves. The results showed that the weed speci

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Bojarszczuk, Jolanta, and Janusz Podleśny. "Segetal Diversity in Selected Legume Crops Depending on Soil Tillage." Agriculture 10, no. 12 (2020): 635. http://dx.doi.org/10.3390/agriculture10120635.

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The aim of the paper was to determine weed infestation expressed by weeds number and weed weight and other index under a three different tillage system: no-tillage (NT), reduced tillage (RT), and ploughing tillage (CT) in two legume species crops: pea and narrowed-leaved lupine. The research proved that growing legume under no-tillage conditions caused the increasing weed infestation. Weather conditions in each of the study years were shown to influence the weed infestation. The dry weight of weeds was higher in narrow-leaved lupine by 7% in flowering stage assessment and by 6% before harvest

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Rahmadi, Rizky, Fajar Rochman, Dulbari Dulbari, et al. "Weed dominance and diversity in maize (Zea mays L.) with conventional and jajar legowo planting systems." AGRICOLA 14, no. 2 (2024): 51–57. http://dx.doi.org/10.35724/ag.v14i2.6015.

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The presence of weeds is a significant factor that contributes to the decline in maize yield. To reduce yield loss, appropriate weed control methods must be applied. The first step in determining these methods is to identify weed dominance and diversity. This study aims to identify the dominance and diversity of weeds in three corn planting systems: conventional, jajar legowo 1:2, and 1:3 spacing. The research was conducted at the Teaching Farm Polinela Organic Farm in Lampung Province from November to December 2023. Vegetation analysis was performed using a 0.5 m2 quadrant randomly placed on

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TOPHAM, P. B., and H. M. LAWSON. "Measurement of weed species diversity in crop/weed competition studies." Weed Research 22, no. 5 (2006): 285–93. http://dx.doi.org/10.1111/j.1365-3180.1982.tb00174.x.

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Scursoni, Julio, Frank Forcella, Jeffrey Gunsolus, et al. "Weed diversity and soybean yield with glyphosate management along a north–south transect in the United States." Weed Science 54, no. 4 (2006): 713–19. http://dx.doi.org/10.1614/ws-06-004r.1.

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There are many concerns about the effects of repeated use of glyphosate in glyphosate-resistant (GR) crops, including two that are seemingly contradictory. These are (1) weed escapes and (2) loss of weed diversity. Weeds that escape glyphosate treatment represent species that likely will become troublesome and difficult to control in the future, and identifying these future problems may allow more effective management. In contrast, complete weed control directly reduces the weed component of agroecosystem biodiversity and may lower other components indirectly (e.g., weed-dependent granivores).

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Setiawan, A. N., B. H. Isnawan, N. Febrianita, and I. S. Santi. "Diversity and Population of Weed Propagule in Two Rice Cropping Systems." IOP Conference Series: Earth and Environmental Science 1287, no. 1 (2023): 012015. http://dx.doi.org/10.1088/1755-1315/1287/1/012015.

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Abstract Weeds can reduce rice yields by 20-89%, mainly due to competition for nutrients, water, sunlight, and growing space. Weeds that grow in rice fields come from propagules previously in the soil. Seedlings are formed from the previous season, so the cultivation system greatly affects them. This study aims to determine the diversity and population of weed propagules in upland rice and lowland rice. This research was conducted by survey method in Semanu District, Gunungkidul Regency, Special Region of Yogyakarta, by taking soil samples from three plots of upland rice and lowland rice paddy

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Khoiri, Syaiful, Shafira Desty Adisa, Dheananda Fyora Hermansyah Azari, and Dita Megasari. "DIVERSITY OF WEED SPECIES IN COCOA PLANTATIONS IN BANYUWANGI, EAST JAVA, INDONESIA." Jurnal Riset Perkebunan 4, no. 2 (2023): 65–71. http://dx.doi.org/10.25077/jrp.4.2.65-71.2023.

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Cocoa (Theobroma cacao L.) is one of the important plantation commodities in Indonesia. However, one of the factors that can affect productivity is weeds because weeds compete with cocoa in getting water, sunlight, nutrients, air, and space to grow. One of the largest cocoa plantation areas in East Java is the Banyuwangi district. Information about the types of cocoa weeds in Banyuwangi is unknown even though weeds in one area are different from another. Weed can reduce the production of cocoa. So, This study is important for determining appropriate control methods. This study aimed to determi

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Guillaume, Adeux, Vieren Eric, Carlesi Stefano, Bàrberi Paolo, Munier-Jolain Nicolas, and Cordeau Stéphane. "Mitigating crop yield losses through weed diversity." Nature Sustainability 2 (November 11, 2019): 1018–26. https://doi.org/10.1038/s41893-019-0415-y.

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Reconciling crop productivity and biodiversity maintenance is one of the main challenges of agriculture worldwide. Moreover, the importance of weed diversity in mitigating yield losses has been identified as one of the top five research priorities in weed science. We tested the hypotheses that (1) not all weed communities generate yield losses and (2) that more diversified weed communities can mitigate yield losses. The study is based on three years of observations of weed densities, weed biomass and crop biomass at four critical growth stages of winter cereals across 54 zo

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Anyoni, Otim Godfrey, Joseph Ekwangu, Susan Tumwebaze, and Alfred Obia. "Minimum Tillage and Soil Surface Cover Reduced Weed Density but Not Diversity Over Four Growing Cycles." East African Journal of Agriculture and Biotechnology 7, no. 2 (2024): 39–58. http://dx.doi.org/10.37284/eajab.7.2.2254.

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This study investigated use of cultural practices to address weed challenges that present one of the highest costs to farmers. The parameters explored included the effects of tillage and soil cover practices on weed density and diversity, evaluated in a split plot experimental design. Increasing rainfall amounts significantly increased weed density and weed diversity. Minimum tillage significantly suppressed weeds with a density of 80/m2 compared to conventional tillage density of 124/m2. Soil cover practices similarly suppressed weed density (p<0.05) compared to sole crops without soil cov

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Tautges, Nicole E., Jessica R. Goldberger, and Ian C. Burke. "A Survey of Weed Management in Organic Small Grains and Forage Systems in the Northwest United States." Weed Science 64, no. 3 (2016): 513–22. http://dx.doi.org/10.1614/ws-d-15-00186.1.

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A lack of information regarding weed control, relative to conventional systems, has left organic growers largely on their own when devising weed management systems for organic crops. As interest in organic weed management increases, researchers need more information regarding the type and number of weed control practices undertaken on organic farms. A survey of certified organic growers was conducted in five states in the northwest United States to identify organic weed management programs and what grower and farm-operation characteristics were factors in weed management program design. Three

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Krisnadi, Ruben Taurio, Gusti Syeransyah Rudy, and Normela Rachmawati. "ANALISIS JENIS GULMA BERPOTENSI OBAT PADA KAWASAN PERKEBUNAN KARET DESA MABURAI KECAMATAN MURUNG PUDAK KABUPATEN TABALONG." Jurnal Sylva Scienteae 6, no. 6 (2023): 947. http://dx.doi.org/10.20527/jss.v6i6.11023.

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Weeds in the rubber plantation area of Maburai Village have potential benefits as medicines. This study aims to analyze the diversity of weed species and weeds with medicinal potential in rubber plantations in Maburai Village. The study used a combination method in the form of purposive sampling and random methods in identifying weed species and calculating the diversity index and evenness index of weed species. The results showed that the diversity index of medicinal weeds H' was 2.43, with the dominance of weed species 54% and individual dominance of weed 60%.Gulma yang berada di kawasan per

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Anggraeni, Fina, Dadi Nurdiana, and Jenal Mutakin. "LAJU TUMBUH GULMA PADA BERBAGAI PUPUK ORGANIK DAN UKURAN BENIH DI PERTANAMAN KENTANG (Solanum tuberosum L.) DATARAN MEDIUM." ZIRAA'AH MAJALAH ILMIAH PERTANIAN 49, no. 1 (2024): 1. http://dx.doi.org/10.31602/zmip.v49i1.13352.

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Weeds are one of the causes of the decline in potato production in the central plains. This research aimed to assess the diversity of weeds that appear on granola-variety potato plants (Solanum tuberosum L.) This research uses a quantitative approach by arranging frames measuring 50x50 cm in five locations spread diagonally. Weed samples were taken at 20 and 40 days after planting, and then the weed vegetation was analyzed using the index formula and weed dominance. The research found nine types of weeds, namely: Cyperus rotundus, Ageratum conyzoides L., Common purslane, Eleusine indica L. Gae

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Setiawan, A. N., A. Agustin, and B. H. Isnawan. "Diversity and Population of Weeds Propagules in Soybean at Various Soil Depths." IOP Conference Series: Earth and Environmental Science 1417, no. 1 (2024): 012015. https://doi.org/10.1088/1755-1315/1417/1/012015.

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Abstract Weeds can cause losses in soybean crops of up to 80%. Weed propagules influence weed population and diversity in the soil. This research aims to obtain the diversity and population of weed propagules in soybean fields with various soil depths. This research was conducted using surveys and interviews in soybean fields in Dlingo District, Bantul Regency, Special Region of Yogyakarta. The survey method was carried out by taking samples of weeds and soil in three plots of soybean land with a depth of 0 cm, 10 cm, 20 cm, and 30 cm using quadrats in three observation plots measuring 30 cm ×

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Laude, Syamsuddin, Mahfudz, and Ramlan. "Diversity, Species, and Plant Growth Regulator and Nutrient Content of Local Weeds in Tawaeli Sub-District, Palu City, Indonesia." International Journal of Design & Nature and Ecodynamics 16, no. 6 (2022): 151–55. http://dx.doi.org/10.18280/ijdne.170120.

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Each area has a variety and different types of weeds, the differences in each weed are caused by natural factors and human actions, including excessive pesticide spraying. This action can cause the chemical content, namely plant growth regulators and the nutrients in the weed plant to change and cause the quality of a soil to decrease. The research objective was to determine the level of diversity, species, and content of plant growth regulators and nutrient element measurements for local weeds. The research design was an exploration method in community agricultural land areas by recording the

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MARKO, LJ. NESTOROVIĆ, and KONSTANTINOVIĆ BRANKO. "OVERVIEW OF THE WEED FLORA IN THE SERBIA." Contemporary Agriculture (2011) 60, no. 1-2 (2011): 215–30. https://doi.org/10.5281/zenodo.7310160.

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Weed flora in Serbia is characterized by high diversity, comprising a total of 741 species classified into 322 genera and 63 families. Many weed species are not strictly specialized and occur in two or more weed categories. Out of the total number of species, class Liliopsida (Monocotyledones) includes 85 species (11.48%) and the class Magnoliopsida (Dicotyledones) 655 species (88.51%). The Equisetopsida is represented by 3 species. The most common families include 618 species altogether. According to the number of species, the most important are: Asteraceae (112), Poaceae (78), Fabaceae (52),

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Hofmeijer, Merel A. J., Bo Melander, Jukka Salonen, Anneli Lundkvist, Livija Zarina, and Bärbel Gerowitt. "Weed Species Trait Selection as Shaped by Region and Crop Diversity in Organically Managed Spring Cereals." Agriculture 11, no. 5 (2021): 433. http://dx.doi.org/10.3390/agriculture11050433.

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Weeds remain a challenge in organic arable farming, as well as supply ecosystem services. The aim is to control weed densities while hosting a diverse and manageable weed community, preventing domination of few deleterious species. Therefore, we want to understand how specific species are stimulated, and which traits are selected for. This study focuses on crop diversity hypothesizing that (1) regions and (2) crop diversity function as filters for specific weed species traits. We conducted a weed monitoring in spring cereals over 2 years on organic farms in five northern European regions. Mana

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Bourgeois, Bérenger, Sabrina Gaba, Christine Plumejeaud, and Vincent Bretagnolle. "Weed diversity is driven by complex interplay between multi-scale dispersal and local filtering." Proceedings of the Royal Society B: Biological Sciences 287, no. 1930 (2020): 20201118. http://dx.doi.org/10.1098/rspb.2020.1118.

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Arable weeds are key organisms for biodiversity maintenance and ecosystem service provision in agroecosystems. Disentangling the drivers of weed diversity is critical to counteract the global decline of farmland biodiversity. Even if distinct scale-dependent processes were alternatively proposed, no general framework unifying the multi-scale drivers of weed dynamics has yet emerged. Here, we investigate the joint effects of field- and landscape-scale processes on weed assemblages in 444 arable fields. First, field margins sheltered greater weed diversity than field core, evidencing their role

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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 (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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Ivanov, S. "Weeds and weed control in forage pea: A Review." Agricultural Science and Technology 11, no. 2 (2019): 107–12. http://dx.doi.org/10.15547/ast.2019.02.017.

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Abstract. A major limitation factor for the low productivity in peas is weeding. A particularly critical moment in the race between the crop and weeds is the early period of growth and development. Given the influence of the varying climatic and soil conditions on the diversity and density of weed species, a differentiated approach is needed to remove them by using chemical and agrotechnical means. Studies on the varietal susceptibility to herbicides in forage pea in Bulgaria are very limited due to the fact that varietal diversity was not available in the recent past. The objective of the pap

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Wang, Sen, Wenliang Cheng, Haiyan Tan, et al. "Study on Diversity of Poisonous Weeds in Grassland of the Ili Region in Xinjiang." Agronomy 14, no. 2 (2024): 330. http://dx.doi.org/10.3390/agronomy14020330.

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The frequent occurrence of poisonous grassland weed disasters has weakened the stability of the grassland ecosystem in the Ili region of Xinjiang, and its spread has seriously affected the development of grassland animal husbandry. However, there is no relevant literature to report the species and distribution of poisonous grassland weeds in the Ili region. In this study, investigation was carried out using methods such as personal inspection and sampling methods, and importance-value and diversity analyses were conducted. The results showed that there were 126 species of poisonous weeds in th

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Rusdi, Rusdi, Zainuddin Saleh, and Ramlah Ramlah. "KEANEKARAGAMAN JENIS GULMA BERDAUN LEBAR PADA PERTANAMAN JAGUNG (Zea mays L.) DI DESA SANGATTA SELATAN KABUPATEN KUTAI TIMUR." Jurnal Agroteknologi 9, no. 2 (2019): 1. http://dx.doi.org/10.24014/ja.v9i2.3558.

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Behind this study is diversity of Broadleaf Weed Species in corn plantation. The aims of this research to determine the Diversity of Broadleaf Weed Species at corn (Zea mays L.) plantation, at Desa Sangatta Selatan, Kabupaten Kutai Timur.This research used a square method, which is manufacture of plots with a zise 2 x 2 m as much as 9 plots. Weeds found in the plot were identified and subsequently performed the calculation of aech species in each plot. The results showed that founded 11 species in 10 families. The highest dominance value in sequence, that is: Hedyotis corymbosa L. (28,03%), Ph

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Jastrzębska, Magdalena, Maria Wanic, Marta K. Kostrzewska, Kinga Treder, and Janusz Nowicki. "An attempt to use functional diversity indices for the assessment of weed communities." Acta Agrobotanica 65, no. 1 (2012): 129–40. http://dx.doi.org/10.5586/aa.2012.051.

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This paper presents an analysis of changes in functional diversity of weeds in spring barley grown in the period 1990-2004 in crop rotation after potato with a 25% share of this cereal (potato - spring barley - field pea - winter triticale) as well as in crop rotation with its 75% share (potato - spring barley - spring barley - spring barley) in which barley was grown once and twice after the same barley crop. No weed control was used in the present experiment. Every year in the spring (at full emergence of barley) and before harvest, the species composition and numbers of individual weed spec

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Takim, F. O., J. Falola-Olasunkanmi, O. Osatuyi, and I. Garuba. "Diversity and composition of weed species in a continuously grown maize field treated with selected pre-emergence herbicides." Agricultural Science and Technology 15, no. 2 (2023): 32–45. http://dx.doi.org/10.15547/ast.2023.02.014.

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Abstract. This study analyses the floristic composition of field weeds recorded at the University of Ilorin Teaching and Research Farm (008° 27’ 23.9’N and 004° 39’ 42.9’E) in the southern Guinea savannah of Nigeria during the 2019 – 2021 growing seasons. The area is characterized by a bimodal rainfall pattern with an average annual rainfall of 1227.85 mm and sandy loam soil (plinthustaffs). The experiment was set up as a randomized complete block design and repeated three times in a field that had been continuously maize-cropped for 10 years. Treatments were pre-emergence applications of atra

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Piveta, Leonard Bonilla, José Alberto Noldin, Nilda Roma-Burgos, et al. "Weedy rice (Oryza spp.) diversity in southern Brazil." Weed Science 69, no. 5 (2021): 547–57. http://dx.doi.org/10.1017/wsc.2021.23.

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AbstractWeedy rice (Oryza spp.) is one of the most troublesome weeds affecting rice (Oryza sativa L.) production in many countries. Weedy rice control is difficult in rice fields, because the weed and crop are phenotypically and morphologically similar. Weedy rice can be a source of genetic diversity for cultivated rice. Thus, this study aimed to characterize the morphological diversity of weedy rice in southern Brazil. Qualitative and quantitative traits of 249 accessions from eight rice-growing mesoregions in Rio Grande do Sul (RS) and Santa Catarina (SC) states were analyzed. For each acces

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Murphy, Stephen D., David R. Clements, Svenja Belaoussoff, Peter G. Kevan, and Clarence J. Swanton. "Promotion of weed species diversity and reduction of weed seedbanks with conservation tillage and crop rotation." Weed Science 54, no. 1 (2006): 69–77. http://dx.doi.org/10.1614/ws-04-125r1.1.

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In a 6-yr study on four farms (36 fields) in Ontario, Canada, we tested the effects of tillage (moldboard, chisel plow, no tillage) and crop rotations (continuous corn, corn-soybean, corn-soybean-winter wheat) on emerged and seedbank weed species diversity and density. Aside from the imposed experimental treatments, all other management was generally consistent among farms. Tillage had the largest effect on weed diversity and density. No tillage promoted the highest weed species diversity, chisel plow was intermediate, and moldboard plow resulted in the lowest species diversity. These results

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Mamora, Samuel Herbert. "Floristic Composition and Diversity of Weeds in Organic Rice Fields in Langkong, M’lang, Cotabato." Southeastern Philippines Journal of Research and Development 26, no. 1 (2021): 35–48. http://dx.doi.org/10.53899/spjrd.v26i1.123.

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This study investigated the floristic composition and diversity of weeds in organic rice fields in Langkong, Mlang, Cotabato covering an area of 2.5 hectares within which 100 quadrats were randomly assigned. Identification of weeds showed thirteen species belonging to six families eight of which are annuals and five perennials comprising five broadleaf, three grass, and five sedge types. All weed species had <50% uniformity which may imply less competitiveness against rice or effective control by weed management practices. Fimbristylis littoralis and Cyperus difformis have the highest frequ

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Nkoa, Roger, Micheal D. K. Owen, and Clarence J. Swanton. "Weed Abundance, Distribution, Diversity, and Community Analyses." Weed Science 63, SP1 (2015): 64–90. http://dx.doi.org/10.1614/ws-d-13-00075.1.

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Understanding abundance and distribution of weed species within the landscape of an agroecosystem is an important goal for weed science. Abundance is a measure of the number or frequency of individuals in an area. Distribution is a measure of the geographical range of a weed species. The study of weed population's abundance and distribution is helpful in determining how a population changes over time in response to selective pressures applied by our agronomic practices. Accurate estimates, however, of these two key variables are very important if we are to manage agricultural land both for pro

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