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Articles 1 - 30 of 280
Full-Text Articles in Life Sciences
Riparian Management In Intensive Grazing Systems For Improved Biodiversity And Environmental Quality: Productive Grazing, Healthy Rivers, S. R. Aarons, M. Jones-Lennon, P. Papas, N. Ainsworth, F. Ede, J. Davies
Riparian Management In Intensive Grazing Systems For Improved Biodiversity And Environmental Quality: Productive Grazing, Healthy Rivers, S. R. Aarons, M. Jones-Lennon, P. Papas, N. Ainsworth, F. Ede, J. Davies
IGC Proceedings (1997-2023)
Within high rainfall intensive grazing systems of southern Victoria, riparian zones are often degraded due to vegetation clearing, stock access and inappropriate farm management. Streams in these landscapes often have poor water quality and reduced biodiversity due to degraded terrestrial and aquatic ecosystems. Improved management of riparian zones depends on developing tools and practices for integration into productive grazing systems. This paper describes the approaches used and the tools developed in the 'Productive Grazing, Healthy Rivers: Improving riparian and in-stream biodiversity' project
Riparian Management In Intensive Grazing Systems For Improved Biodiversity And Environmental Quality: Productive Grazing, Healthy Rivers, S. R. Aarons, M. Jones-Lennon, P. Papas, N. Ainsworth, F. Ede, J. Davies
Riparian Management In Intensive Grazing Systems For Improved Biodiversity And Environmental Quality: Productive Grazing, Healthy Rivers, S. R. Aarons, M. Jones-Lennon, P. Papas, N. Ainsworth, F. Ede, J. Davies
IGC Proceedings (1997-2023)
Within high rainfall intensive grazing systems of southern Victoria, riparian zones are often degraded due to vegetation clearing, stock access and inappropriate farm management. Streams in these landscapes often have poor water quality and reduced biodiversity due to degraded terrestrial and aquatic ecosystems. Improved management of riparian zones depends on developing tools and practices for integration into productive grazing systems. This paper describes the approaches used and the tools developed in the ‘Productive Grazing, Healthy Rivers: Improving riparian and in-stream biodiversity’ project.
2023 Update Mtg Jan 26: Weeds-Poison Ivy, Review The Labels, Hilary A. Sandler, Katherine Ghantous
2023 Update Mtg Jan 26: Weeds-Poison Ivy, Review The Labels, Hilary A. Sandler, Katherine Ghantous
Cranberry Station Extension meetings
No abstract provided.
Examination Of The Realized Host Range Of North American Lacebug (Gargaphia Arizonica Drake & Carvalho) And Texas False Potato Beetle (Leptinotarsa Texana Schaeffer) As A Potential Biocontrol Agents For Silverleaf Nightshade (Solanum Elaeagnifoli Cav.), Samikshya Subedi
Theses and Dissertations
Silverleaf nightshade (Solanum elaeagnifolium Cav.) is a perennial forb native to South Texas and Central and South America, but it has become a serious agricultural weed across the world. Because silverleaf nightshade (SLN) is difficult and expensive to manage using chemical and mechanical controls, there is growing attention and research focused on biological control options. In this project, we used both field and laboratory studies to examine the suitability of two North American insects, namely North American lacebug (Gargaphia arizonica Drake & Carvalho) and Texas false potato beetle (Leptinotarsa texana Schaeffer) as prospective biological control agents for …
An Investigation Of Weeds In The Wheat Crops In Tehsil Paharpur District Dera Ismail Khan, Nazish Akhtar, Samreen Afzal
An Investigation Of Weeds In The Wheat Crops In Tehsil Paharpur District Dera Ismail Khan, Nazish Akhtar, Samreen Afzal
Journal of Bioresource Management
Weed infestation is a serious problem for crop yield. It causes a huge yield loss. A comprehensive study to investigate the main wheat weeds within Tehsil Pharpur (Dhakki, Headbilot, Dhupsari, Malakheil, Kalapani, Laar, Rakh Bandkura) in the Dera Ismail Khan region was conducted during the 2020-21 harvest. About 21 species were collected and the weeds competed with the wheat crop for nutrients, water, and light and disrupted the wheat crop. Data was collected in a weed growth phase and a quadratic method was used. Homophobic (RD), relative frequency (RF), relative coefficient (RCC), and value index (IVI) were recorded. It was …
Elucidating The Cellular Physiology Of Glyphosate Resistance In Palmer Amaranth (Amaranthus Palmeri) Using Integrated Omics Approaches, Pawanjit Kaur Sandhu
Elucidating The Cellular Physiology Of Glyphosate Resistance In Palmer Amaranth (Amaranthus Palmeri) Using Integrated Omics Approaches, Pawanjit Kaur Sandhu
All Theses
The evolution of resistance to herbicides in weeds poses a major threat to agricultural production systems. To date, herbicide resistance has been reported against 21 modes of action in 266 weed species across 71 countries. More than 50 weed species have developed resistance against glyphosate, the most widely used herbicide worldwide. Although several mechanisms of glyphosate resistance have been discovered, our understanding of alterations in the cellular physiology of glyphosate-resistant weed biotypes, and the induction of the resistance mechanisms remains limited. This knowledge is critical to developing sustainable weed management practices and for a comprehensive understanding of plant stress adaptations. …
2022 Pesticide Safety: Herbicide And Weed Research Update, Katherine Ghantous
2022 Pesticide Safety: Herbicide And Weed Research Update, Katherine Ghantous
Cranberry Station Extension meetings
No abstract provided.
Winter Cover Crop Impacts On Weed Dynamics In Eastern And Central Nebraska, Elizabeth Ann Oys
Winter Cover Crop Impacts On Weed Dynamics In Eastern And Central Nebraska, Elizabeth Ann Oys
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Reducing tillage in cropping systems causes weed management to be dependent on chemical and cultural methods for weed control. Over time, herbicide-resistant weeds have developed due to the continuous selection pressures from herbicides, particularly in the Midwest Corn Belt. Integrated weed management strategies, such as cover crops, can be used to mitigate some of these issues. Cover crops are primarily known for their soil health benefits, but there is evidence that cover crops can suppress weeds. However, less research has been done at the field-scale level to address cover crop impacts on the weed seedbank and aboveground weeds during the …
2022 Update Mtg Jan 26: What's New In The Weed World?, Hilary A. Sandler
2022 Update Mtg Jan 26: What's New In The Weed World?, Hilary A. Sandler
Cranberry Station Extension meetings
No abstract provided.
Water Use Characteristics Of Weeds: A Global Review, Best Practices, And Future Directions, Mandeep Singh, Meetpal Singh Kukal, Suat Irmak, Amit J. Jhala
Water Use Characteristics Of Weeds: A Global Review, Best Practices, And Future Directions, Mandeep Singh, Meetpal Singh Kukal, Suat Irmak, Amit J. Jhala
Department of Agronomy and Horticulture: Faculty Publications
Weeds usually penalize crop yields by competing for resources, such as water, light, nutrients, and space. Most of the studies on the crop-weed competition domain are limited to assessing crop-yield losses due to weed pressure and other crop-weed interactions, overlooking the significant uptake of soil-water by weeds that exacerbates global water constraints and threatens the productivity and profitability. The objective of this review was to synthesize globally available quantitative data on weed water use (WU) sourced from 23 peer-reviewed publications (filtered from 233 publications via a multi-step protocol of inclusion criteria) with experimental investigations across space (3 continents), time (1927–2018), …
Roundup 2022: Agricultural Research Center-Hays
Roundup 2022: Agricultural Research Center-Hays
Kansas Agricultural Experiment Station Research Reports
Roundup is the major beef cattle education and outreach event sponsored by the Kansas State University Agricultural Research Center - Hays. This report communicates timely, applicable research information on beef production and rangeland topics.
Community Structure Of Serrated Tussock (Nassella Trichotoma) Infested Grasslands, Warwick B. Badgery, David R. Kemp, D. L. Michalk, W. Mcg. King
Community Structure Of Serrated Tussock (Nassella Trichotoma) Infested Grasslands, Warwick B. Badgery, David R. Kemp, D. L. Michalk, W. Mcg. King
IGC Proceedings (1997-2023)
Serrated tussock (Nassella trichotoma) is the most serious perennial grass weed in southeastern Australia, extending over more than a million hectares. Previous control techniques using herbicides and oversowing with competitive pastures are no longer feasible in many of the lower fertility, infested areas. New management solutions need to be found, based upon a better understanding of the ecology of this species. A survey was done to determine the community structure of serrated tussock infested grasslands. Winter growing C3 grasses were closely associated with serrated tussock, while C4 perennial grasses appeared not to be. It is not known if …
A Survey Of Weeds Present In Al- Qatten Diroctorate Farms Hadhramout Governorate, Yaser Saeed Bahurmuz, Ahmed Subait Bamosa, Abdulgader Ali Hassan
A Survey Of Weeds Present In Al- Qatten Diroctorate Farms Hadhramout Governorate, Yaser Saeed Bahurmuz, Ahmed Subait Bamosa, Abdulgader Ali Hassan
Hadhramout University Journal of Natural & Applied Sciences
An exclusive study of weeds present in Alqatten Directorate farms, was carried out this study aimed to identify types and number of weeds in the farms. The study area included (20) Farms in five different regions. 39 plant species belonging to 20 plant Family have been identified. Grassy famil was the most present with 7 species. the most wide spread grass was, Cynodon dactylon and Setaria verticillata; as they were found in all studied farms. While Withania somnifera and Rhazya stricta, were less prevalent, as they were present in two farms only.The study reveals that there is defference in the …
Palmer Amaranth [Amaranthus Palmeri (S.) Wats.] Resistance To S-Metolachlor In The Mid-Southern Us And S-Metolachlor Dissipation In Soil, Koffi Badou Jeremie Kouame
Palmer Amaranth [Amaranthus Palmeri (S.) Wats.] Resistance To S-Metolachlor In The Mid-Southern Us And S-Metolachlor Dissipation In Soil, Koffi Badou Jeremie Kouame
Graduate Theses and Dissertations
Palmer amaranth [Amaranthus palmeri (S.) Wats.] presents both a high genetic diversity and propensity to evolve resistance to herbicides of several sites-of-action which have made it one of the worst weeds in US agriculture. In Arkansas, Palmer amaranth is resistant to herbicides of seven sites-of-action, which are 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) inhibitor, acetolactate synthase inhibitors, microtubule inhibitors, protoporphyrinogen oxidase inhibitors, very long chain fatty acid inhibitors, glutamine synthetase inhibitors, and hydroxyphenylpyruvate dioxygenase inhibitors. Sustainable management requires a better understanding of its biology and that of herbicide environmental fate. This research had five objectives: 1) characterize the current status of Palmer amaranth …
Examining The Role Of Buzzing Time And Acoustics On Pollen Extraction Of Solanum Elaeagnifolium, Mandeep Tayal, Rupesh R. Kariyat
Examining The Role Of Buzzing Time And Acoustics On Pollen Extraction Of Solanum Elaeagnifolium, Mandeep Tayal, Rupesh R. Kariyat
Biology Faculty Publications and Presentations
Buzz pollination is a specialized pollination syndrome that requires vibrational energy to extract concealed pollen grains from poricidal anthers. Although a large body of work has examined the ecology of buzz pollination, whether acoustic properties of buzz pollinators affect pollen extraction is less understood, especially in weeds and invasive species. We examined the pollination biology of Silverleaf nightshade (Solanum elaeagnifolium), a worldwide invasive weed, in its native range in the Lower Rio Grande Valley (LRGV) in south Texas. Over two years, we documented the floral visitors on S. elaeagnifolium, their acoustic parameters (buzzing amplitude, frequency, and duration of buzzing) and …
Grains, Seeds And Hay Industry Funding Scheme Annual Report 2020/2021, Department Of Primary Industries And Regional Development, Western Australia
Grains, Seeds And Hay Industry Funding Scheme Annual Report 2020/2021, Department Of Primary Industries And Regional Development, Western Australia
Biosecurity published reports
The Grains, Seeds and Hay Industry Funding Scheme (IFS) has been operating since 2010 to address biosecurity threats relevant to Western Australia’s (WA) grains, seeds and hay industry. The Scheme was established under the Biosecurity and Agriculture Management Act 2007 to enable growers to identify the pest and disease priorities at a whole-of-industry level and raise funds for activities to address these priorities.
There are currently three Industry Funding Schemes in operation. In addition to the Grains, Seeds and Hay IFS, there is a Cattle IFS and a Sheep and Goat IFS. The three IFSs operate in a similar manner. …
B.R. Wells Arkansas Rice Research Studies 2020, J. Hardke, X. Sha, N. Bateman
B.R. Wells Arkansas Rice Research Studies 2020, J. Hardke, X. Sha, N. Bateman
Arkansas Agricultural Experiment Station Research Series
Arkansas is the leading rice producer in the United States. The state represents 47.5% of total U.S. rice production and 48.1% of the total acres planted to rice in 2020. Rice cultural practices vary across the state and across the U.S. However, these practices are also dynamic and continue to evolve in response to changing political, environmental, and economic times. This survey was initiated in 2002 to monitor and record changes in the way Arkansas rice producers approach their livelihood. The survey was conducted by polling county extension agents in each of the counties in Arkansas that produce rice. Questions …
How Weeds Affect Insects In Mango Cultivation Of South Florida, Blaire Kleiman
How Weeds Affect Insects In Mango Cultivation Of South Florida, Blaire Kleiman
FIU Electronic Theses and Dissertations
The use of weeds as insectary plants is an emerging management tactic by agroecologists and entomologists to sustain beneficial insect species. Fallow lands have always been used by insects and are an important part of their diet in fragmented ecosystems. Weeds provide floral resources to beneficial insects such as pollinators, parasitoids, and predators and resources to keep them within a field in between crop flowering. Using weeds as a tool in tropical fruit production reliant on pollination like Mango (Mangifera indica) allows farmers to reduce herbicide use, increases the biodiversity of both plants and insects, and increases pollination of crops …
2021 Pesticide Safety April 28: Managing New And Difficult Weeds, Hilary A. Sandler
2021 Pesticide Safety April 28: Managing New And Difficult Weeds, Hilary A. Sandler
Cranberry Station Extension meetings
No abstract provided.
Cultivating The Surface Soil To Renovate A Grama Rhodes (Chloris Gayana K. Cv. Callide) Pasture In Northwest Argentine (Noa). 3. Effect Of Interval Of Implements Applied, R. N. Berti
IGC Proceedings (1997-2023)
No abstract provided.
Auxin-Based Herbicide Program And Rhizobia Application For Weed Control And Nodulation Potential In Auxin Tolerant Soybean, Joy Amajioyi
Auxin-Based Herbicide Program And Rhizobia Application For Weed Control And Nodulation Potential In Auxin Tolerant Soybean, Joy Amajioyi
Electronic Theses and Dissertations
Foliar-applied Bradyrhizobia to V4 soybean has been reported to increase yield up to 5%. However, a stand-alone product application may not be practical. Applying with other treatments such as post-emergence herbicide application may be economical but herbicide and/or additives may be deleterious to rhizobial growth. A laboratory study investigated the impact of herbicides (glyphosate and dicamba), additives (an oil to improve absorption and spreading; and AMS used to overcome hard water impacts on glyphosate), and herbicide + additives on bacterial growth. Optical density (OD) measurements at the wavelength of 650 nm assessed solution turbidity, a surrogate measure of bacterial growth. …
Cultivating The Surface Soil To Renovate A Grama Rhodes (Chloris Gayana K. Cv. Callide) Pasture In Northwest Argentine (Noa). 2. Effect Of Nitrogen Fertilization, R. N. Berti
IGC Proceedings (1997-2023)
No abstract provided.
Cultivating The Surface Soil To Renovate A Grama Rhodes (Chloris Gayana K. Cv. Callide) Pasture In Northwest Argentine (Noa). 1. Effect Of Implements, R. N. Berti
IGC Proceedings (1997-2023)
No abstract provided.
Evaluating The Current Weed Community In Wild Blueberry Fields And Ipm Strategies For Spreading Dogbane (Apocynum Androsaemifolium), Anthony G. Ayers
Evaluating The Current Weed Community In Wild Blueberry Fields And Ipm Strategies For Spreading Dogbane (Apocynum Androsaemifolium), Anthony G. Ayers
Electronic Theses and Dissertations
Lowbush blueberry (Vaccinium angustifolium) is Maine’s third largest crop (USDA 2020 a). From 2017 – 2019 the three seasons yield average was 27,200 tons were harvested from 19,500 acres for a value of $22,468,000 (USDA 2020 c). Lowbush blueberries are managed on a two-year cycle. Every other year, lowbush blueberry fields are pruned to the ground either through the use of a tractor mounted flail mower or a prescribed burn (Yarborough 2009). Pruning is a necessary part of managing lowbush blueberries as the second-year growth produces the highest yield but steadily declines in subsequent years (Drummond et al. …
Discerning Competitive Vs. Facilitative Relationships Of Weeds On Forest Restoration Efforts At La Sal Del Rey, Tx, Mylen A. Arias
Discerning Competitive Vs. Facilitative Relationships Of Weeds On Forest Restoration Efforts At La Sal Del Rey, Tx, Mylen A. Arias
Theses and Dissertations
Dryland ecosystems need effective restoration strategies to address severe degradation. It is often assumed that voluntary forb weeds either compete with or have no effect on native seedlings. In contrast, theory and empirical work suggest a potential facilitative role for such forb weeds. We conducted a manipulative weed exclusion experiment at a semi-arid site in South Texas targeted for large scale forest restoration and subsequently dominated by early successional forb weeds to discern the net effect of these weeds on the growth and survival of target thornscrub tree and shrub seedlings. Overall, weed presence did not significantly affect seedling mortality …
Grains, Seeds And Hay Industry Funding Scheme Annual Report 2019/2020, Department Of Primary Industries And Regional Development, Western Australia
Grains, Seeds And Hay Industry Funding Scheme Annual Report 2019/2020, Department Of Primary Industries And Regional Development, Western Australia
Biosecurity published reports
The Grains, Seeds and Hay Industry Funding Scheme (IFS) has been operating since 2010 to address biosecurity threats relevant to Western Australia’s (WA) grains, seeds and hay industry. The Scheme was established under the Biosecurity and Agriculture Management Act 2007 to enable growers to identify the pest and disease priorities at a whole-of-industry level and raise funds for activities to address these priorities.
There are currently three Industry Funding Schemes in operation. In addition to the Grains, Seeds and Hay IFS, there is a Cattle IFS and a Sheep and Goat IFS. The three IFSs operate in a similar manner. …
2020 Bogside June 8: Weeds And Herbicides, Hilary A. Sandler, Katherine Ghantous
2020 Bogside June 8: Weeds And Herbicides, Hilary A. Sandler, Katherine Ghantous
Cranberry Station Extension meetings
No abstract provided.
2020 Bogside May 20: Weeds And Herbicides, Katherine Ghantous, Hilary A. Sandler
2020 Bogside May 20: Weeds And Herbicides, Katherine Ghantous, Hilary A. Sandler
Cranberry Station Extension meetings
No abstract provided.
2020 Bogside May 6: Weeds And Herbicides, Katherine Ghantous, Hilary A. Sandler
2020 Bogside May 6: Weeds And Herbicides, Katherine Ghantous, Hilary A. Sandler
Cranberry Station Extension meetings
No abstract provided.
Skeleton Weed Program Review - A Review Undertaken For The Grains, Seeds And Hay Industry Funding Scheme Management Committee 2020, Department Of Primary Industries And Regional Development, Western Australia
Skeleton Weed Program Review - A Review Undertaken For The Grains, Seeds And Hay Industry Funding Scheme Management Committee 2020, Department Of Primary Industries And Regional Development, Western Australia
Biosecurity published reports
This review was undertaken in two stages. Stage 1 reviewed the Skeleton Weed Program and the global situation on skeleton weed. Stage 2 involved targeted stakeholder consultation to build on the information identified through Stage 1 and identify perceptions and attitudes amongst the Western Australian grain/seed/hay industry with regard to the Skeleton Weed Program (the program). The results of these two processes were used to formulate the key findings and recommendations by the Review Panel to assist the Grains, Seeds and Hay Industry Funding Scheme (IFS) Management Committee in its decision-making.