Abstract

BRANCHER, Ademar; CAMARGO, Flávio Anastácio de Oliveira  and  SANTOS, Gabriel de Araújo. Occurrence of physiological disease in flooded rice fields. Cienc. Rural [online]. 1996, vol.26, n.1, pp. 149-151. ISSN 0103-8478.  http://dx.doi.org/10.1590/S0103-84781996000100028.

The aim of this report is to desenhe the occurrence of the physiological disease "Parrot beak" in flooded rice grown in Rio de Janeiro state soils. The symptoms occurred particularly in the presence of decomposing organic material, affecting the yield because of the high percentage of sterile spickelets.

Keywords : anaerobic decomposition; rice straw; sterility; fitotoxic.