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Effect of soil solarization on the survival of fungal antagonists of Verticillium dahliae 1
Author(s) -
TJAMOS E. C.,
PAPLOMATAS E. J.
Publication year - 1987
Publication title -
eppo bulletin
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.327
H-Index - 36
eISSN - 1365-2338
pISSN - 0250-8052
DOI - 10.1111/j.1365-2338.1987.tb00086.x
Subject(s) - verticillium dahliae , verticillium wilt , soil solarization , biology , loam , germination , agronomy , horticulture , chloropicrin , rhizosphere , asparagus , fumigation , soil water , ecology , genetics , bacteria
Talaromyces flavus , a fungal antagonist of Verticillium dahliae , naturally occurring in clay loam artichoke fields or sandy loam olive groves, is able to survive following application of soil solarization. Survival was almost always linked to an increase in T. flavus populations detected in the rhizosphere of artichoke plants or olive trees with a verticillium wilt history as compared with the untreated control soils. It was evident that soil solarization resulted in the control of the disease in artichoke fields and the recovery of olive trees from V. dahliae infection. It was furthermore proved that solarization had a beneficial long‐term effect in controlling V. dahliae for a period of 2 or 3 consecutive years. This could at least partially be attributed to the activity of T. flavus in inhibiting the germination of microsclerotia or causing their death. Aspergillus terreus , another potential V. dahliae antagonist, was also found to survive and occasionally increase following the application of the technique.