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Effect of Humidity on Conidial Morphology of Phaeoisariopsis personata

K. D. R. Wadia,David Butler-1995-01-01-Open Access Repository of ICRISAT (International Crops Research Institute for the Semi-Arid Tropics)
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TL;DRAbstract

Microscopic examination revealed differences in the conidia of P. personata [Mycosphaerella berkeleyi] which developed on groundnut plants stored at different RH. After 24 h, mean conidial length ranged from 84 µm at 100% RH to 38 µm at 96% RH. At 100% RH, there were >10 septa compared with 2-3 at 96% RH. There were significant differences in both mean conidial length and number of septa between all RH treatments. Another significant increase occurred in conidial length after 48 h exposure to 100% RH.

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Microscopic examination revealed differences in the conidia of P. personata [Mycosphaerella berkeleyi] which developed on groundnut plants stored at different RH. After 24 h, mean conidial length ranged from 84 µm at 100% RH to 38 µm at 96% RH. At 100% RH, there were >10 septa compared with 2-3 at 96% RH. There were significant differences in both mean conidial length and number of septa between all RH treatments. Another significant increase occurred in conidial length after 48 h exposure to 100% RH.

Keywords

ConidiumHorticultureMorphology (biology)BotanyRelative humidityBiologyGeographyMeteorology

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