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1999 (1)
1Author    Sándor Dulai3, István Molnár3, Evelin Pélia, Endre LehoczkiabRequires cookie*
 Title    Short-Term Responses of Photosystem II to Heat Stress in Cold-Acclimated Atrazine-Resistant and Susceptible Biotypes of Erigeron canadensis (L.)  
 Abstract    When leaves of atrazine-resistant (A R) and atrazine-sensitive (S) Erigeron canadensis (L.) plants grown at 5 °C were exposed to an elevated temperature (35 °C) for 30 min, the critical (T c) and peak temperatures (Tp) of the F0 vs. T curves were considerably higher for the leaves of the S biotype, but not for those of the A R biotype. The temperature dependences of F J F m and AFIFm' were not greatly different for the heat-treated cold-acclimated A R biotype, in contrast with the situation for the S plants. This short-term heat treatment resulted in a more significant shift in the optimal thermal interval of C 0 2 fixation for the S than for the A R biotypes. 
  Reference    Z. Naturforsch. 54c, 665 (1999); received November 2 1998/February 19 1999 
  Published    1999 
  Keywords    Erigeron canadensis, Heat Stress, Chlorophyll Fluorescence, Photosystem II, Photosynthesis 
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 TEI-XML for    default:Reihe_C/54/ZNC-1999-54c-0665.pdf 
 Identifier    ZNC-1999-54c-0665 
 Volume    54