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Dive into the research topics where Frank C. Roggenbuck is active.

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Featured researches published by Frank C. Roggenbuck.


American Journal of Potato Research | 1984

The use of additives, temperature, and plant position to increase efficacy of dinoseb for potato (Solanum tuberosum) vine desiccation

Dale R. Mutch; Donald Penner; Frank C. Roggenbuck; R. W. Chase

Chemical vine desiccation is an important management practice for late season potatoes (Solanum tuberosum L.) in Michigan. A number of desiccants are registered; however, most Michigan growers apply dinoseb (2-sec- butyl-4,6-dinitrophenol). Greenhouse experiments were initiated to evaluate the potential of ammonium salts and ethephon (2-chloroethyl)phosphonic acid) to increase the efficacy of the chemical harvest aids dinoseb and endothall (7-oxabicyclo[2,2,1]heptane-2,3-dicarboxylic acid) on potato vines. Temperature and potato vine position were evaluated to determine their influence on vine desiccation.All treatments with endothall applied at 0.6 kg/ha resulted in unsatisfactory potato vine desiccation. Ethephon and ammonium sulfate increased efficacy of dinoseb. High temperature both before and after treatment contributed to greater dinoseb efficacy. The horizontal placing of potato vines resulted in the desired desiccation rating of 9.0 or greater using the combination of dinoseb at 2.8 kg/ha, plus ammonium sulfate at 9 kg/ha plus 2.4 L/ha X-77 surfactant.3ResumenEl secado quimico del follaje es una práctica de manejo importante en la producción de papas tardias (Solanum tuberosum 1.) en Michigan. Existe un número de desecantes registrados, sin embargo, la mayoría de los agricultures en Michigan aplican dinoseb (2-sec-butyl-4,6-dinitrofenol). Experimentos de invernadero fueron iniciados para evaluar el potencial de sales de amonio y ethephon ((2-cloroetyl) ácido fosfónico) en el incremento de la eficacia de los productos químicos que favorecen la cosecha dinoseb y endothall (7-oxabicyclo[2,2,1]heptano-2,3-ácido dicarboxilico) en follaje de papa. Temperatura y la posición del follaje fueron evaluadas para determinar su influencia en el secado del follaje.Todos los tratamientos con endothall, aplicado a la dosis de 0.6 kg/ha, resultaron en un secado insatisfactorio del follaje de papa. Ethepon y sulfato de amonio incrementaron la eficacia de dinoseb. Temperaturas altas, antes y despues del tratamiento, contribuyeron a una mayor eficacia de dinoseb. La colocación horizontal de las hojas y follaje resultó) en un secado de grado 9.0 ó mayor cuando se usó una combinación de dinoseb, a la dosis de 2.8 kg/ha, más sulfato de amonio a 9 kg/ha más 2.4 L/ha de surfactante X-77.


Weed Technology | 1990

Increasing postemergence herbicide efficacy and rainfastness with silicone adjuvants

Frank C. Roggenbuck; Loston Rowe; Donald Penner; Len Petroff; Richard F. Burow


Pesticide Science | 1993

Study of the enhancement of herbicide activity and rainfastness by an organosilicone adjuvant utilizing radiolabelled herbicide and adjuvant

Frank C. Roggenbuck; Donald Penner; Richard F. Burow; Bryan Thomas


Weed Technology | 1994

Relationship of leaf position to herbicide absorption and organosilicone adjuvant efficacy

Frank C. Roggenbuck; Richard F. Burow; Donald Penner


Weed Science | 1996

Influence of adjuvants and desmedipham plus phenmedipham on velvetleaf (Abutilon theophrasti) and sugarbeet response to triflusulfuron

Robert J. Starke; Karen A. Renner; Donald Penner; Frank C. Roggenbuck


Archive | 1997

Compositions containing herbicide and monosaccharides and method of use thereof

Donald Penner; Frank C. Roggenbuck


Weed Technology | 1993

Herbicide efficacy and tolerance in sweet white lupin.

Donald Penner; Richard H. Leep; Frank C. Roggenbuck; James R. Lempke


Weed Technology | 1990

Increasing postemergence efficacy and rainfastness with silicone adjuvants.

Frank C. Roggenbuck; Loston Rowe; Donald Penner; L. Petroff; Richard F. Burow


International symposium on growth and development of fruit crops, a tribute to the career of M. J. Bukovac, East Lansing, Michigan, USA, 19-21 June, 1997. | 2000

Mode of action of organosilicone adjuvants.

Frank C. Roggenbuck; Donald Penner


Pesticide Formulations and Application Systems: A New Century for Agricultural Formulations, Twenty First Volume | 2001

A New Adjuvant Blend for Glyphosate Herbicides

Richard F. Burow; Donald Penner; Frank C. Roggenbuck; David E. Wallick

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Donald Penner

Michigan State University

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Dale R. Mutch

Michigan State University

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James J. Kells

Michigan State University

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Karen A. Renner

Michigan State University

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R. W. Chase

Michigan State University

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Richard H. Leep

Michigan State University

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