Common/spear rot crown disease in oil palm (Elaeis guineensis Jacq.) : Anatomy of the affected tissue. - (:unkn) unknown
Bent rachises in palms with symptoms of crown disase had fibres with thinner and less lignified cell walls than normal cells. Also, vascular bundles were less numerous, thinner, and had fewer fibres than healthy tissue. The first sympton observed before necrosis in leaflets was the collapse of the hypodermal cells. Fungal mycelium was found intercellularly in some prepaarations. The sytructural changes observed explain, in part, the softness of these tissues, which causes the bending of the rachises that characterizes the disease. Glyphosate applied to young plams caused anatomal changes similar to those observed in palms affected by crown disease.
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Bent rachises in palms with symptoms of crown disase had fibres with thinner and less lignified cell walls than normal cells. Also, vascular bundles were less numerous, thinner, and had fewer fibres than healthy tissue. The first sympton observed before necrosis in leaflets was the collapse of the hypodermal cells. Fungal mycelium was found intercellularly in some prepaarations. The sytructural changes observed explain, in part, the softness of these tissues, which causes the bending of the rachises that characterizes the disease. Glyphosate applied to young plams caused anatomal changes similar to those observed in palms affected by crown disease.
Keywords: Análisis de tejidos.; Anatomía de la planta.; Enfermedades de las plantas.; Pudrición de flecha; pudrición de la corona; Palma de aceite