Factors influencing production of pseudothecia by Pyrenophora tritici-repentis
العنوان: | Factors influencing production of pseudothecia by Pyrenophora tritici-repentis |
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المؤلفون: | Brett A. Summerell, Lester W. Burgess |
المصدر: | Transactions of the British Mycological Society. 90:557-562 |
بيانات النشر: | Elsevier BV, 1988. |
سنة النشر: | 1988 |
مصطلحات موضوعية: | Pyrenophora, Environmental factor, Biology, Straw, medicine.disease_cause, biology.organism_classification, Spore, Agronomy, medicine, General Earth and Planetary Sciences, Poaceae, Cultivar, Hordeum vulgare, Mycelium, General Environmental Science |
الوصف: | The influence of temperature and external water potential on mycelial growth, production of pseudothecia and maturation of ascospores by P. tritici-repentis was examined. In the range 10°–30 °C, mycelial growth was optimal at 20°–25°, but pseudothecial production was not temperature dependent. Ascospores developed most quickly at 15°. Mycelial growth and pseudothecial numbers declined as the external water potential decreased. Pseudothecia were not produced at water potentials lower than −1.7 MPa. Ascospores did not develop when the external water potential was less than −2.8 MPa. The production of pseudothecia on naturally infected wheat, barley and oat straw also was examined. Pseudothecia developed on all straw types in equivalent numbers, and production was not correlated with the reaction of the living host to infection. |
تدمد: | 0007-1536 |
الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::58837792387ca9b30b46b1c16eae6fd3Test https://doi.org/10.1016/s0007-1536Test(88)80059-7 |
حقوق: | CLOSED |
رقم الانضمام: | edsair.doi...........58837792387ca9b30b46b1c16eae6fd3 |
قاعدة البيانات: | OpenAIRE |
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