1987
DOI: 10.1016/0098-8472(87)90035-9
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Greenbug damage on the aerial vegetation growth of two barley cultivars

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Cited by 7 publications
(5 citation statements)
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“…From around 730 nm to 900 nm, the greenbug-damaged wheat canopies had lower reßectance than undamaged wheat. This was most likely due to degenerated internal leaf structure, reduced leaf area, and stunting plants caused by greenbug feeding (Castro and Rumi 1987, Castro et al 1988, Morgham et al 1994. Spectral responses of Þeld bean leaf infected by Botrytis fabae (Malthus and Madeira 1993) and winter wheat infested by greenbug (Riedell and Blackmer 1999) showed similar patterns in reßectance shift.…”
Section: Discussionsupporting
confidence: 51%
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“…From around 730 nm to 900 nm, the greenbug-damaged wheat canopies had lower reßectance than undamaged wheat. This was most likely due to degenerated internal leaf structure, reduced leaf area, and stunting plants caused by greenbug feeding (Castro and Rumi 1987, Castro et al 1988, Morgham et al 1994. Spectral responses of Þeld bean leaf infected by Botrytis fabae (Malthus and Madeira 1993) and winter wheat infested by greenbug (Riedell and Blackmer 1999) showed similar patterns in reßectance shift.…”
Section: Discussionsupporting
confidence: 51%
“…A signiÞcant increase in the reßectance from the greenbug-damaged canopies in the visible region (400 Ð700 nm) was clear evidence that greenbug feeding reduced the photosynthetic pigment concentrations in particular chlorophylls, which leads to lowered photosynthetic rate of wheat (Castro and Rumi 1987;Riedell and Blackmer 1999;Nagaraj et al 2002a,b). The reßectance peak from the undamaged wheat at around 550 Ð560 nm occurred due to green light (500 Ð 600 nm) being reßected by the green leaf pigments (Riedell and Blackmer 1999).…”
Section: Discussionmentioning
confidence: 96%
“…Greenbug reduces the aerial growth of susceptible barley (Castro and Rumi 1987). In the current work, the tolerant and susceptible infested DH plants showed a differential aerial growth.…”
Section: Discussionsupporting
confidence: 46%
“…Las variedades susceptibles de cebada y trigo reducen el crecimiento aéreo bajo infestaciones con los pulgones S. graminum y D. noxia. Mientras que aquellas variedades resistentes lograron mantener su biomasa sin pérdidas durante todo el período de infestación (Tocho 2010;Hawley et al 2003;Castro et al 1990Castro et al , 1987. El principal daño ocasionado por el pulgón ruso, es el enrollamiento de las hojas, inclusive las pérdidas pueden ser más intensas en hojas nuevas, en consecuencia su área foliar se ve reducida, aunque no haya variación de su peso seco (Voothuluru et al 2006).…”
Section: Conclusionesunclassified
“…Las restantes variedades no mostraron diferencias significativas en el PS frente a la infestación con el áfido (Tabla 5-6). Estos estudios realizados en poblaciones experimentales de trigo y cebada han demostrado que las variedades susceptibles sufrieron fuertes reducciones en varios parámetros como el aérea foliar, el contenido de clorofila, los pesos frescos y secos, provocadas por la infestación con los áfidos (Tocho 2010;Miller et al 2003;Castro et al 2002Castro et al , 1990Castro et al , 1987 (Giménez et al 1997;. Si bien en el presente estudio no se evaluó el crecimiento radical, algunas plantas tuvieron un menor crecimiento aéreo que sus testigos, esta pérdida en la biomasa aérea podría deberse a un menor contenido de fósforo, dado que es esencial para aportar energía en los principales procesos de crecimiento.…”
Section: Peso Secounclassified