Author:
Amponsah N.T.,Jones E.E.,Ridgway H.J.,Jaspers M.V.
Abstract
Dispersal of spores was investigated for the Botryosphaeria species that are responsible for dieback in grapevines Trapping for spores was carried out in a Canterbury vineyard during May 2008April 2009 to investigate spore availability during the year No spores characteristic of the Botryosphaeriaceae were collected on Vaselinecoated slides which were considered suitable for wind dispersed spores although spores of other fungi were collected However traps that collected rainwater runoff yielded conidia of the Botryosphaeriaceae In haemocytometer counts of spores they were initially identified by morphology and subsequently confirmed by PCR of rDNA followed by DNA sequencing During the trapping period 598 of the total Botryosphaeriaceae caught were Neofusicoccum spp and 402 were Diplodia spp These were present throughout the entire year with most abundant conidia being detected during December January and February when summer temperatures were high and when routine trimming of mature canes provided the wounds needed for infection
Publisher
New Zealand Plant Protection Society
Subject
Horticulture,Insect Science,Agronomy and Crop Science
Cited by
24 articles.
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