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Shade, irrigation and variety effects upon bronzing responses of dry beans in Colorado

By: Contributor(s): Material type: ArticleArticleLanguage: English Description: 26:20-21Subject(s): LOC classification:
  • 21978
In: Bean Improvement Cooperative. Annual Report (USA)Summary: Se observo bronceado en muchos de los ensayos de frijol realizados en Fort Collins (Colorado, EE.UU.) durante 1982, para estudiar el efecto del estres hidrico y el sombrio en la fotosintesis y el contenido de proteina de 3 var. de frijol (Roza, Pinto U.I. 111 y Olathe). Los sintomas de bronceado aparecieron durante los estados de floracion tardia y formacion de vainas. Se utilizo una escala de 1-5 siendo 1 sin bronceado y 5 con bronceado severo (mas del 50 por ciento del area foliar bronceada). Los resultados sugieren que la severidad del bronceado se incremento cuando las plantas estuvieron en la sombra y disminuyo cuando las plantas se sometieron a deficit hidrico. Las tendencias de estos tratamientos ocurrieron a una tasa similar para las 3 var., pero el grado de bronceado estuvo influenciado por la var. Los tratamientos de riego y sombrio aparentemente influyeron en la apertura estomatica y en la longitud de la exposicion a los contaminantes. (RA-CIAT)Summary: Bronzing was observed in many of the bean trials conducted at Fort Collins (Colorado, USA) during 1982 to study the influence of water and shading stress on photosynthesis and protein content of 3 dry bean var., Roza, Pinto U.I. 111, and Olathe. Bronzing symptoms appeared during the late flowering and pod formation stages. A scale of 1-5 was used with 1 as no bronzing and 5 as severe bronzing (more than 50 percent leaf area bronzed). Results suggest that bronzing severity increased when plants were shaded and decreased when plants were under moisture stress. These treatment trends occurred at a similar rate for the 3 var., but the degree of bronzing was influenced by the var. Irrigation and shade treatments apparently influenced stomatal opening and the length of exposure to pollutants. (CIAT)
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Item type Current library Collection Call number Copy number Status Date due Barcode Item holds
Journal Article Journal Article CIAT Library Document collection CINFOS Document Collection CINFOS 21978 (Browse shelf(Opens below)) c.1 Short Loan 100054471
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Se observo bronceado en muchos de los ensayos de frijol realizados en Fort Collins (Colorado, EE.UU.) durante 1982, para estudiar el efecto del estres hidrico y el sombrio en la fotosintesis y el contenido de proteina de 3 var. de frijol (Roza, Pinto U.I. 111 y Olathe). Los sintomas de bronceado aparecieron durante los estados de floracion tardia y formacion de vainas. Se utilizo una escala de 1-5 siendo 1 sin bronceado y 5 con bronceado severo (mas del 50 por ciento del area foliar bronceada). Los resultados sugieren que la severidad del bronceado se incremento cuando las plantas estuvieron en la sombra y disminuyo cuando las plantas se sometieron a deficit hidrico. Las tendencias de estos tratamientos ocurrieron a una tasa similar para las 3 var., pero el grado de bronceado estuvo influenciado por la var. Los tratamientos de riego y sombrio aparentemente influyeron en la apertura estomatica y en la longitud de la exposicion a los contaminantes. (RA-CIAT) spa

Bronzing was observed in many of the bean trials conducted at Fort Collins (Colorado, USA) during 1982 to study the influence of water and shading stress on photosynthesis and protein content of 3 dry bean var., Roza, Pinto U.I. 111, and Olathe. Bronzing symptoms appeared during the late flowering and pod formation stages. A scale of 1-5 was used with 1 as no bronzing and 5 as severe bronzing (more than 50 percent leaf area bronzed). Results suggest that bronzing severity increased when plants were shaded and decreased when plants were under moisture stress. These treatment trends occurred at a similar rate for the 3 var., but the degree of bronzing was influenced by the var. Irrigation and shade treatments apparently influenced stomatal opening and the length of exposure to pollutants. (CIAT) eng

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