Results 61 to 70 of about 32,936 (175)

5‐Aza‐adenine Derivatives for Crop‐Protection: Multicomponent Synthesis, Experimental and Theoretical Structural Analysis

open access: yesChemPlusChem, Volume 89, Issue 10, October 2024.
New purine isosteres are prepared using a convenient three‐component, catalyst‐free, microwave‐promoted reaction. The products are evaluated for potential insecticidal, fungicidal and herbicidal properties and structural features of the compounds, including interactions in a representative crystal, are explored experimentally by X‐ray crystallography ...
Lin Yuing Tan   +6 more
wiley   +1 more source

ECONOMIC RETURNS TO THE BOLL WEEVIL ERADICATION PROGRAM [PDF]

open access: yes
The economic viability of the Boll Weevil Eradication program in Alabama, Florida, and Georgia is assessed based on a five-year survey of producers. Results indicate the program increases yield 100 pounds per acre. This implies a 19 percent internal rate
Duffy, Patricia A.   +2 more
core  

Between-season attraction of cotton boll weevil, Anthonomus grandis Boh. (Coleoptera: Curculionidae) adults by its aggregation pheromone

open access: yesScientia Agricola, 2001
The present study was undertaken to investigate the attractiveness of boll weevil adults by its aggregation pheromone under winter field conditions. Two experimental fields were utilized at "Casa Branca", SP, Brazil.
Wedson Desidério Fernandes   +2 more
doaj  

Comportamento de progênies oriundas de raças primitivas de algodão herbáceo frente ao ataque do bicudo Behavior of lines from cotton primitive race stocks to attack of the boll weevil

open access: yesPesquisa Agropecuária Brasileira, 1999
Com o objetivo de obter linhagens resistentes ao bicudo-do-algodoeiro (Anthonomus grandis Boheman), a Embrapa-Centro Nacional de Pesquisa de Algodão vem testando progênies oriundas de raças primitivas de algodoeiro herbáceo (Gossypium hirsutum L ...
Francisco José Correia Farias   +3 more
doaj   +1 more source

The Cornbelt's Last Open Pollinated Corn: Agricultural extension and the origins of the hybrid corn seed industry

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 5, Page 1024-1037, September 2024.
Agricultural extension is recognized as an important pathway for generating changes in individual farmers' practices and therefore broader patterns of production. In the United States, historical research has implicated extension work in transformations that privileged White farmers and wealthier operations over other producers and that fostered the ...
Helen Anne Curry
wiley   +1 more source

MODELING FARM AND OFF-FARM ECONOMIC LINKAGES TO ANALYZE THE IMPACTS OF AN AREA-WIDE INSECT MANAGEMENT PROGRAM ON A REGIONAL ECONOMY [PDF]

open access: yes
This study evaluated the impacts of the boll weevil eradication program at the farm level and on the west Tennessee region. Budgets, an acreage response model, and an input-output model were used to evaluate direct and indirect program impacts.
English, Burton C.   +2 more
core  

Migration and dispersal of Anthonomus grandis (Coleoptera: Curculionidae) in South America Migración y dispersión de Anthonomus grandis (Coleoptera: Curculionidae) en América del Sur

open access: yesRevista de la Sociedad Entomológica Argentina, 2007
This study discusses the dispersal of Anthonomus grandis Boheman, the cotton boll weevil, in Argentina, Brazil, Paraguay and Bolivia, exploring the ecological and physiological factors that have made the dispersal and establishment of this insect in ...
Teodoro Stadler, Micaela Buteler
doaj  

Nicotiana benthamiana is a suitable transient system for high-level expression of an active inhibitor of cotton boll weevil α-amylase

open access: yesBMC Biotechnology, 2019
Background Insect resistance in crops represents a main challenge for agriculture. Transgenic approaches based on proteins displaying insect resistance properties are widely used as efficient breeding strategies.
Guilherme Souza Prado   +12 more
doaj   +1 more source

Notes on Poisioning The Boll Weevill [PDF]

open access: yesJournal of Economic Entomology, 1920
n ...
Newell, W., Bynum, E. K.
openaire   +2 more sources

Cotton Boll Weevil biology

open access: yes, 2020
Guide introducing Cotton Boll Weevil ...
Pierce, J. B. (Jane Breen)
core  

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