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ABSTRACT Genetic analysis for resistance to bacterial blight (Xanthomonas oryzae pv. oryzae) of 21 rice (Oryza sativa L.) cultivars was carried out. These cultivars were divided into two groups based on their reactions to Philippine races of bacterial blight. Cultivars of group 1 were resistant to race 1 and those of group 2 were susceptible to race 1 but(More)
Absolute quantum yields for primary H atom formation (Φ H) were measured under collision-free conditions for the room-temperature gas-phase dissociation of acetylene (C 2 H 2) after photoexcitation at 193.3 nm and at the H-atom Lyman-α wavelength (121.6 nm) by a pulsed laser photolysis(LP)-laser-induced fluorescence(LIF) "pump-and-probe" technique. Using(More)
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