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Effect of infection by the shot‐hole fungus, Wilsonomyces carpophilus , on drop and quality of almond fruit 1
Author(s) -
TEVIOTDALE B. L.,
GOODELL N.,
HARPER D.
Publication year - 1997
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.1365-2338.1997.tb00672.x
Subject(s) - abscission , conidium , horticulture , inoculation , biology , fungus , rosaceae , botany , fruit tree
Almond fruits were inoculated with suspensions containing 10 3 , 10 4 or 10 5 conidia per mL of Wilsonomyces carpophilus beginning when fruits emerged from the hypanthium and continuing at approximately weekly intervals until they reached full size and embryo development began. More small than mid‐sized fruits fell and abscission ceased when fruits reached maximum size. Abscission of mid‐sized fruits generally increased with increasing inoculum concentration, and lesions were most abundant on mid‐sized fruits. The kernel quality of infected and healthy fruits were compared in 1994 and 1995. Mid‐ to full‐sized fruits were inoculated one or three times with 10 conidia per mL of W. carpophilus. Kernels from inoculated and non‐inoculated fruits did not differ in weight, length, or percentage of kernels covered with gum deposits or incompletely filled.