1962
DOI: 10.1139/b62-016
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Sporulation of Diverse Species of Fungi Under Near-Ultraviolet Radiation

Abstract: Cultures of 34 fungi were irradiated at 70° F under continuous exposure to near-ultraviolet light (3100–4000 Å) at 76 microwatts per cm2 for periods ranging from 3 to 10 days. Sporulation was initiated or increased in Ascochyta pinnodella, A. pisi, Alternaria chrysanthemi, A. tenuis, A. zinniae, Botrytis cinerea, Coryneum sp., Epicoccum nigrum, Epicoccum sp., Fusarium oxysporum, F. nivale, F. roseum, F. solani, Gliocladium sp., Helminthosporium avenae, Mycosphaerella pinodes, Ophiobolus graminis, Piricularia o… Show more

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Cited by 136 publications
(58 citation statements)
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“…This protocol is effective for production of massive amounts of inoculum when strict aseptic conditions are not required (Walker, 1980). Both the quality and the amount of light are critical for sporulation of A. solani (Leach, 1962;Douglas, 1972). In the present work, greater sporulation was obtained under alternated regime of light (12 h photoperiod).…”
Section: The Adapted and Validated Protocol Allowed Efficient Inductimentioning
confidence: 55%
“…This protocol is effective for production of massive amounts of inoculum when strict aseptic conditions are not required (Walker, 1980). Both the quality and the amount of light are critical for sporulation of A. solani (Leach, 1962;Douglas, 1972). In the present work, greater sporulation was obtained under alternated regime of light (12 h photoperiod).…”
Section: The Adapted and Validated Protocol Allowed Efficient Inductimentioning
confidence: 55%
“…Pulz et al (2009) emphasize that there is a very tenuous relationship between the effects of NUV light on sporulation and the damaging effect of this type of radiation on nucleic acids, its main target. Leach (1962) pointed out that ultraviolet (UV) or near-ultraviolet (NUV) near-ultraviolet light usually induces sporulation, but excessive dosages may inhibit sporulation. Luminosity may have an inducing or inhibitory effect on the formation of reproductive structures.…”
Section: Discussionmentioning
confidence: 99%
“…Além disso, há a necessidade de indução por fatores injuriantes da colônia para que a esporulação ocorra, como raspagem do micélio aéreo e subseqüente exposição à luz branca ou ultravioleta próximo (NUV) (3,6,11,16,23 …”
Section: Alte Rn a Ria D A U C I E Alte Rn A Ria So La N Iunclassified