Centre Projects
Interactions between nitrogen, sugar accumulation, wounding and susceptibility to botrytis bunch rot
Brief:This project investigates
a number of components of the impact of nitrogen nutrition:
• the impact of nitrogen fertilisation and changes
in nitrogen nutrition of the vine on growth, fruit development
and potential flavour and aroma compounds in Sauvignon
Blanc fruit;
• the direct and indirect influences of changes
in berry nutrition on the vulnerability of the fruit
to disease, in particular bunch rot caused by Botrytis
cinerea; and
• the impact that changes in wine nitrogen nutrition
have on the levels and forms of berry nitrogen - in
particular, the yeast available nitrogen (YAN) concentration,
and the impact this has on fermentation processes.
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