Probenazole and burst of respiration in rice leaf tissue infected with blast fungus

A respiration burst of rice leaf tissue slices infected by compatible blast fungus race with or without the application of probenazole or incompatible blast fungus race, or stimulated by one of the hyphal components was quantitatively analysed. A time at maximum rate of the augmentation phase and a...

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Bibliographic Details
Published in:Journal of Pesticide Science 1985-05, Vol.10 (2), p.225
Main Authors: Sekizawa, Y, Haga, M, Iwata, M, Hamamoto, A, Chihara, C, Takino, Y. (Tamagawa Univ., Machida, Tokyo (Japan). Faculty of Agriculture)
Format: Article
Language:English
Subjects:
ACCION DEL PLAGUICIDA
ACTION DES PESTICIDES
ARROZ
ENFERMEDADES FUNGOSAS
FEUILLE
FONGICIDE
FUNGICIDAS
FUNGICIDES
HOJAS
LEAVES
MYCOSE
MYCOSES
PESTICIDE ACTIONS
RESPIRACION
RESPIRATION
RICE
RIZ
TEJIDO (ANATOMIA)
TISSU
TISSUES
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Summary:A respiration burst of rice leaf tissue slices infected by compatible blast fungus race with or without the application of probenazole or incompatible blast fungus race, or stimulated by one of the hyphal components was quantitatively analysed. A time at maximum rate of the augmentation phase and a half life time of the auto-inactivation phase were respectively determined. A time-sequential orderliness along either line of the time of maximum rate or the half life time was observed. A high correlation coefficient between the values of time of maximum rate and half life time was also observed. By the application of probenazole, both the time of maximum rate and half life time of respiration burst were shifted as in an incompatible combination even in a compatible infection. Superoxide anion and hydrogen peroxide generation were also observed when glucose was used as a respiratory substrate. The major oxidative product of glucose seemed to be gluconate.
ISSN:0385-1559
1348-589X
1349-0923
DOI:10.1584/jpestics.10.225