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The effect of drought at the reproductive stage on the degeneration, sterility, ripening and nutrient uptake of rice



The effect of drought at the reproductive stage on the degeneration, sterility, ripening and nutrient uptake of rice



Research Reports of the Rural Development Administration, Rice 31(1): 36-42



In pot trials in 1985, water was withheld from rice for 5, 10, 15 or 20 d at the panicle formation or reduction division stage. Drought decreased culm length, panicle length, panicle exsertion and ripening ratio; the effect increased with increasing duration of drought and was greater at the reduction division stage than at panicle formation. Drought decreased numbers of spikelets and secondary rachis branches and increased the sterility ratio.

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