Volume 5, number 2
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The Effect of Powdery Mildew (Blumeria Graminis F. Sp. Hordei) on Compensatory Photosynthesis and Dark Respiration in theUninfected Fourth Leaf of Infected Cultivated and Wild Barley Lines

Abdellah Akhkha

Biology Department, Faculty of Science, Taibah University, Madinah Munawwarah, (Kingdom of Saudi Arabia).

ABSTRACT: The compensatory photosynthesis in uninfected fourth leaf of infected plants was investigated in cv. Prisma and the two wild lines B19909 and I-17-40. Infection of the three lower leaves increased the rate of photosynthesis as well as the quantum efficiency in the powdery mildew tolerant line B19909 only. This indicates that compensatory photosynthesis may play an important role in tolerance of the parasite.

KEYWORDS: Blumeria graminis; compensatory photosynthesi; wild barley lines

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Akhkha A. The Effect of Powdery Mildew (Blumeria Graminis F. Sp. Hordei) on Compensatory Photosynthesis and Dark Respiration in the Uninfected Fourth Leaf of Infected Cultivated and Wild Barley Lines. Biosci Biotechnol Res Asia 2008;5(2)
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Akhkha A. The Effect of Powdery Mildew (Blumeria Graminis F. Sp. Hordei) on Compensatory Photosynthesis and Dark Respiration in the Uninfected Fourth Leaf of Infected Cultivated and Wild Barley Lines. Biosci Biotechnol Res Asia 2008;5(2). Available from: https://www.biotech-asia.org/?p=7121

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