Rare ‘mega blossom’ saves Margaret River grapes from birds
Wine producers in Margaret River have explained how an abundance of a particular tree blossom diverted birds from eating their grapes in the 2018 vintage…
The blossom of the Marri trees in Margaret River has protected wine grapes from being eaten by birds, said wine producers.
‘We were treated to a spectacular “mega blossom” of the Marri trees,’ Cath Oates, of Oates End, told Decanter.com.
‘The most blossom in living memory which kept bird pressure to almost zero.’
The Marri trees produce a kind of nectar that birds like to eat, making them less likely to go after the grapes.
‘The flowering of the Marri has a great influence on food supply for the marauding Silver-eyes, Wattle Birds and Parrots, that find grapes attractive when there is poor availability of flowering gums as a preferred food,’ said Bruce Pearse, viticulturist and Margaret River Wine Association Board Member.
‘The dispersion of birds away from vineyards’ and deeper into native forestry as they chase out the last of the blossom creates a redistribution of bird populations and slows the return to vineyards.’
Speaking about the 2018 vintage in Margaret River, Pearse said that sea breezes combined with cool nights have ensured a ‘longer period of maturation on the vine and higher natural acid content’ for both red and white wines.
Animals in vineyards
Depending on where the vineyard is, there are various animals that can have an appetite for grapes.
However, some vineyards have also moved towards using animals as natural pest control or weed fighters.
Another way of protecting grapes from birds is to use netting over the vines. However, nets reduced the amount of sunlight able to reach the vines and so this is not suitable for all vineyards.
Additional reporting by Sylvia Wu.
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