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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 381 for “"herbicides"”.
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Interactions Between Herbicides and Soybean Diseases
Greenhouse studies were conducted to evaluate several soybean lines and cultivars for resistance to R. solani and to determine the inheritance of resistance. Ninety ancestral lines and 700 current cultivars were evaluated. Most of the lines and cultivars evaluated were susceptible, however, 21 of …
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Efficacy of Soybean Herbicides on Annual Morninglory
<p>Field experiments were established in 2000 and 2001 at the Agricultural Research and Education Complex in Bowling Green, Kentucky to evaluate herbicide efficacy on annual morningglory (Ipomoea spp.) species and other weeds. A randomized complete block design was utilized in each study with each …
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Comparison of Cyanazine and Procyazine as Herbicides
Made available in DSpace on 2014-12-14T14:37:26Z (GMT). No. of bitstreams: 1 7820905.pdf: 9645060 bytes, checksum: 26d20f89fcef147c644407ad04b0181c (MD5) Previous issue date: 1978
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Evaluation of herbicides for no-till corn establishment
… at the time of no-till corn establishment. These herbicides were applied alone or in combination with 2,4-D [(2,4-dichlorophenoxy)acetic acid] or dicamba (3,6-dichloro-2-methoxybenzoic acid) at three timings of application. Both locations were heavily infested with annual, biennial, and perennial …
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The influence of herbicides on selected ground cover plants
Thesis (M.S.)--Michigan State University. Dept. of Horticulture, 1964
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Nontarget Effects of Herbicides on Soybean Fungi and Tissues
Alternaria sp., Colletotrichum dematium var. truncata, Macrophomina phaseolina and Phomopsis sp., isolated from soybean (Glycine max) seeds, differed in tolerance to paraquat as measured by mycelial production, linear mycelial growth, spore germination and glucose consumption. Mycelial discs o
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Composite poly(dimethoxyaniline) electrochemical nanobiosensor for glufosinate and glyphosate herbicides
… for quantitative determination of the herbicides glufosinate, glyphosate and its metabolite aminomethylphosphonic acid (AMPA). Firstly, the nanostructured poly(2,5-dimethoxyaniline) (PDMA) materials were synthesized on gold electrode by the electrochemical "template"method using …
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The effect of spray adjuvants on the phytotoxicity of herbicides
… (Triton XA, Wex and Renex 36) when applied with herbicides. In the greenhouse there were no significant differences in dry matter yield between plants treated with a herbicide plus additional nonionic surfactant in a tank-mix, and those treated with the herbicide alone for all cases where the …
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Anaerobic Dissipation of Herbicides in Microbiologically Induced Soil Redox Regimes
Herbicides may encounter anaerobiosis as a result of soil flooding, poor drainage, or offsite transport. Anaerobic dissipation of herbicides in the environment is poorly understood. The objective of this research was to characterize the anaerobic fates of herbicides atrazine, trifluralin, and …
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Comparative Studies With Several Selective Postemergence Grass Herbicides for Soybeans
Restricted to the U of I community indefinitely during batch ingest of legacy ETDs
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Mechanism of Resistance in Common Ragweed to PPO-inhibiting Herbicides
Synthetic herbicides have been reliable tools to help growers produce a healthy and profitable crop for several decades but their efficacy is under attack from the evolution of herbicide-resistant weeds. Almost all commercially available herbicidal modes of action have documented cases of …
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Factors affecting the performance of three postemergence, grass- selective herbicides
… and combinations with broadleaf-selective herbicides on the toxicity of sethoxydim (2-[l-(ethoxyimino)-butyl]-5-[2-(ethylthio)-propyl]-3-hydroxy-cyclohexene-1-one), CGA-82725 (2-propynyl 2-(4-[3,5-dichloro-2-pyridinyl]oxy)phenoxy)-propanoate), and RO 13-8895 …
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Investigations on the Interations of Acetolactate Synthase (ALS)-Inhibiting Herbicides with Growth Regulator and non ALS-Inhibiting Herbicides in Corn (Zea mays) and Selected Weeds
… of 2,4-D, dicamba, and ALS-inhibitor herbicides with rimsulfuron plus thifensulfuron-methyl (RT) and with sethoxydim on giant foxtail, common ragweed, and common lambsquarters control in corn. Combinations of halosulfuron-methyl with 2,4-D or dicamba were generally additive in their …
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Rotational cropping after applying experimental herbicides for weed control in soybeans
Call number: LD2668 .T4 AGRN 1988 S65
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Evaluating cover crops and herbicides for horseweed and Palmer amaranth management
… influence emergence timing. All PPO-inhibitor herbicides controlled Palmer amaranth at similar levels within an application timing. PPO-inhibitor herbicides need to be applied within three days after Palmer amaranth plants reach 2.5 cm tall to achieve greater than 90% control.
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Rotational cropping after applying experimental herbicides for weed control in soybeans
Call number: LD2668 .T4 AGRN 1988 S65
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Resistance to Als-Inhibiting Herbicides in Common Ragweed, Foxtail and Horseweed
Based on the results and mechanisms identified from the above three weeds, PCR-based molecular markers have been used in this study to investigate the evolution of cloransulam resistance in common ragweed, which appeared in the same year as cloransulam was commercialized. The results revealed that …
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Mechanisms and control of waterhemp populations resistant to group 15 herbicides
Herbicides that inhibit very long-chain fatty acids (VLCFAs) have been applied for preemergence (PRE) control of annual grasses and small-seed broadleaf weeds for over sixty years. Waterhemp is a small-seeded, summer annual weed species native to the Midwestern United States. The species can be …
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