Expanding the Context of Weed Management最新文献

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Expanding the Context of Weed Management 扩大杂草管理的范围
Expanding the Context of Weed Management Pub Date : 2020-07-26 DOI: 10.1201/9781003075202-1
Douglas D. Buhler
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引用次数: 0
Multi-Year Evaluation of Model-Based Weed Control Under Variable Crop and Tillage Conditions 不同作物和耕作条件下基于模型的杂草控制多年评价
Expanding the Context of Weed Management Pub Date : 2020-07-26 DOI: 10.1300/J144V02N01_11
M. L. Hoffman, D. D. Buhler, M. Owen
{"title":"Multi-Year Evaluation of Model-Based Weed Control Under Variable Crop and Tillage Conditions","authors":"M. L. Hoffman, D. D. Buhler, M. Owen","doi":"10.1300/J144V02N01_11","DOIUrl":"https://doi.org/10.1300/J144V02N01_11","url":null,"abstract":"Abstract Selecting effective weed management options requires biological, ecological, and economic information. This study compared model-based to standard-herbicide weed control in a corn (Zea mays L.)/soybean [Glycine max (L.) Merr.] rotation that had a long-term history of different tillage and weed management practices. The model integrates weed population dynamics, herbicide efficacies, and economic information to evaluate preplant incorporated (PPI) or preemergence (PRE) weed control options based on weed seed bank size and postem-ergence (POST) strategies based on weed seedling densities. There were fewer weeds in standard-herbicide compared with model-based treatments. No-tillage had the greatest numbers of weeds 3 out of 4 years. Soybean yield was reduced the first year of the study in several treatments receiving model-based weed control and the third year in all model-based treatments. Corn yields were greatest in reduced tillage. Resuits of using model recommendations to control weeds were mix...","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126207449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological Implications of Using Thresholds for Weed Management 使用阈值进行杂草管理的生态学意义
Expanding the Context of Weed Management Pub Date : 2020-07-26 DOI: 10.1201/9781003075202-3
Robert F. Norris
{"title":"Ecological Implications of Using Thresholds for Weed Management","authors":"Robert F. Norris","doi":"10.1201/9781003075202-3","DOIUrl":"https://doi.org/10.1201/9781003075202-3","url":null,"abstract":"","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126824340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Knowledge-Based Decision Support Strategies: Linking Spatial and Temporal Components Within Site-Specific Weed Management 基于知识的决策支持策略:在特定地点杂草管理中连接空间和时间成分
Expanding the Context of Weed Management Pub Date : 2020-07-26 DOI: 10.1201/9781003075202-12
G. Johnson, D. Huggins
{"title":"Knowledge-Based Decision Support Strategies: Linking Spatial and Temporal Components Within Site-Specific Weed Management","authors":"G. Johnson, D. Huggins","doi":"10.1201/9781003075202-12","DOIUrl":"https://doi.org/10.1201/9781003075202-12","url":null,"abstract":"","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125982371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving Soil Quality: Inplications for Weed Management 改善土壤质量:杂草管理的意义
Expanding the Context of Weed Management Pub Date : 2020-07-26 DOI: 10.1201/9781003075202-6
E. Gallandt, M. Liebman, D. Huggins
{"title":"Improving Soil Quality: Inplications for Weed Management","authors":"E. Gallandt, M. Liebman, D. Huggins","doi":"10.1201/9781003075202-6","DOIUrl":"https://doi.org/10.1201/9781003075202-6","url":null,"abstract":"","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127060331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soil Microorganisms for Weed Management 杂草管理的土壤微生物
Expanding the Context of Weed Management Pub Date : 1999-03-02 DOI: 10.1300/J144V02N01_07
A. C. Kennedy
{"title":"Soil Microorganisms for Weed Management","authors":"A. C. Kennedy","doi":"10.1300/J144V02N01_07","DOIUrl":"https://doi.org/10.1300/J144V02N01_07","url":null,"abstract":"Abstract Traditional methods of weed management have not considered the microbial or other biological factors that influence plant growth; however, incorporating this knowledge may expand weed management possibilities to develop weed-suppressive soils. Alternative weed management strategies are needed to expand the capability of weed control as weed pressures continue to limit optimum yield and the use of synthetic chemical herbicides for weed control becomes more restricted. Biotic factors can influence the distribution, abundance, and competitive abilities of plant species. It has been shown that soil microorganisms are capable of suppressing weeds in the field, and seed decay phenomena are most likely microbial. It is imperative that an understanding of soil microorganisms and their ecology be developed, so that they may be used to benefit agriculture, especially weed management. Further study is required so that the ecological and biological effects of the resident soil microbial population on weed gr...","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122966899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
A Risk Management Perspective on Integrated Weed Management 综合杂草管理的风险管理视角
Expanding the Context of Weed Management Pub Date : 1999-03-02 DOI: 10.1300/J144V02N01_09
Jeffrey L. Gunsolus, D. D. Buhler
{"title":"A Risk Management Perspective on Integrated Weed Management","authors":"Jeffrey L. Gunsolus, D. D. Buhler","doi":"10.1300/J144V02N01_09","DOIUrl":"https://doi.org/10.1300/J144V02N01_09","url":null,"abstract":"Abstract The variability inherent in agriculture influences many crop production decisions made by farmers, including weed management. This paper addresses how farmers perceive the variability, or risk, associated with integrated weed management systems in terms of yield, economic returns, and time and labor management. This paper addresses how key biological time constraints such as periodicity of weed emergence, rate of crop growth and development, and critical periods of weed control can influence the outcome of integrated weed management systems. A key component to developing successful integrated weed management systems lies in the ability of the crop producer to align individual time and labor management issues with existing biological time constraints.","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133125004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Maximizing Efficacy and Economics of Mechanical Weed Control in Row Crops Through Forecasts of Weed Emergence 通过杂草出苗率预测实现行播作物机械除草的最大功效和经济效益
Expanding the Context of Weed Management Pub Date : 1999-03-02 DOI: 10.1300/J144V02N01_10
C. Oriade, F. Forcella
{"title":"Maximizing Efficacy and Economics of Mechanical Weed Control in Row Crops Through Forecasts of Weed Emergence","authors":"C. Oriade, F. Forcella","doi":"10.1300/J144V02N01_10","DOIUrl":"https://doi.org/10.1300/J144V02N01_10","url":null,"abstract":"In row crops of the North American Corn Belt two important forms of postplant mechanical weed control are rotary hoeing and inter-row cultivation. Unfortunately, the efficacies of these two control technologies are variable, which leads to high levels of economic risk. We hypothesized that efficacies and profitability of rotary hoeing and inter-row cultivation would increase, and risk would decrease, if the timing of control was based more on weed emergence times, than on rule-of-thumb calendar dates. Field research was conducted in soybean (Glycine max [L.] Merr.) for two years in Minnesota wherein four dates of rotary hoeing and three dates of inter-row cultivation, alone or supplemented by grass or broadleaf herbicides, were examined for weed control, crop yield, and net returns. Results indicate that timing influences the efficacy of mechanical control operations, but blanket optimal calendar windows that are generally applicable cannot be established, as such decisions may be location-specific and/or time-dependent. In contrast, efficacies appear more consistent if emergence percentages are used to decide the time of mechanical operations, e.g., rotary hoe at 30% and cultivate at 60% green foxtail (Setaria viridis [L.] Beauv.) emergence. The results also suggest that while it is possible for exclusive mechanical weed control to be optimal in some instances, consistently profitable weed control strategies will inevitably involve some herbicide usage.","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116136522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Increasing Crop Competitiveness to Weeds Through Crop Breeding 通过作物育种提高作物对杂草的竞争力
Expanding the Context of Weed Management Pub Date : 1999-03-02 DOI: 10.1300/9785530
Todd A. Pester, O. Burnside, J. Orf
{"title":"Increasing Crop Competitiveness to Weeds Through Crop Breeding","authors":"Todd A. Pester, O. Burnside, J. Orf","doi":"10.1300/9785530","DOIUrl":"https://doi.org/10.1300/9785530","url":null,"abstract":"Abstract Increasing the ability of crops to compete against weeds, through either enhancing crop tolerance or crop interference to weeds, provides an attractive addition to current weed control practices and could be an integral component of weed management systems. Research has shown that considerable variability exists among crop culti-vars with respect to their ability to compete with weeds. Despite this evidence, directed research on competitive crops has been minimal. Reasons for this lack of emphasis in plant breeding programs include the effectiveness of current weed management with tillage and herbicides, and the lack of easily identifiable crop characteristics that are indicative of weed competitiveness. Expanded knowledge of specific crop-weed interactions would facilitate crop competitiveness to weeds through either crop management practices or plant breeding. Plant breeders need basic and applied information to identify favorable crop-weed competitive traits in order to enhance or incorporate ...","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126923388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Genetic Approach to the Development of Cover Crops for Weed Management 杂草管理覆盖作物开发的遗传方法
Expanding the Context of Weed Management Pub Date : 1999-03-02 DOI: 10.1300/J144V02N01_05
M. E. Foley
{"title":"Genetic Approach to the Development of Cover Crops for Weed Management","authors":"M. E. Foley","doi":"10.1300/J144V02N01_05","DOIUrl":"https://doi.org/10.1300/J144V02N01_05","url":null,"abstract":"Abstract Economic and environmental issues are driving efforts to improve cover crops for weed management. Cover crop residues on the soil surface interfere with weeds by releasing allelochemicals and by physical suppression. Optimizing allelopathic potential, biomass production, and other desirable cover crop characteristics using classical and molecular genetic approaches holds great promise for improving the efficacy and selectivity of cover crops. Likewise, investigating allelopathy at the genetic and molecular level should aid in understanding the biochemical basis for allelopathy in plants.","PeriodicalId":317418,"journal":{"name":"Expanding the Context of Weed Management","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123133138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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