biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 16:50-56, 1974 | DOI: 10.1007/BF02920820

Pyeno genesis in Phomopsis mali

I. Emmanouilidis1, G. Cornic1
1 Laboratoire de Phytopathologie, Institut National Agronomique, Alger, Algerie

Light induces the formation of pycnidia inPhomopsis mali. The induction caused by light can be conserved in darkness. The size and quantity of pycnidia vary with the illuminance. Under low and high illuminances physiologically different pycnidia appear.Phomopsis mali cultivated in darkness in the presence of other microorganisms (fungi or bacteria) can fructify and produces pycnidia similar to those formed under low illuminance and in natural conditions. Our experiments indicate the presence of a pycnogenesis-inducing substance that can exists in different forms and induces the formation of the different pycnidia.

Received: February 9, 1973; Published: January 1, 1974  Show citation

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Emmanouilidis, I., & Cornic, G. (1974). Pyeno genesis in Phomopsis mali. Biologia plantarum, 16(1), 50-56. doi: 10.1007/BF02920820
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