An
Inconvenient Fruit
WILL
CLIMATE CHANGE CHANGE MENUS?
BY
CAMILLA MORTENSEN
Eugene may have been covered in snow recently, but
climate change continues warming Oregon bit by bit. The glaciers are
melting; the seas are rising; it looks like Florida will be underwater
and Iceland will be a new vacation destination. Farmers and chefs
in Oregon are already noticing signs of global warming and its effects
on food crops.
Wine has been getting the most press when it comes
to the weather. The southern Willamette Valley's cool weather and
"mild Mediterranean climate" are ideal for growing the pinot noir
grape, according to a recent article by the Oregon State University
Extension Service. But as temperatures slowly warm, the pinot may
start to make way for wine grapes traditionally grown in California.
Grapes aren't the only fruit that may start to grow
better as the temps warm in the Northwest. Other crops more commonly
seen in California may move northward. The subtropical kiwi fruit
(once called the Chinese gooseberry) grows well in Oregon, and for
years researchers have said that paw paw fruits could be grown here.
(Paw paws, similar to mangoes, are native to the eastern U.S. If you've
never eaten one, it's because despite the predictions, the paw paw
market doesn't seem to have taken off.)
Persimmons are being grown in a 10-acre orchard out
along the McKenzie, says Ross Penhallegon of the OSU extension service
in Lane County. Persimmons, which can be eaten when fresh and ripe,
are popularly used in baking. There are varieties native to the U.S.
and China. The native varieties can survive temperatures well below
zero though an early frost will kill unripened fruit on the tree.
Penhallegon isn't so sure than global warming is such
a big deal when it comes to growing edibles in Oregon. He's more concerned
about the recent freeze in terms of this year's crops. On a trip with
a recent class he taught on pruning, he says, "apples and pears are
where they are supposed to be" but the peach buds were "broken open
as a result of the recent cold snap." This can allow a disease called
"leaf curl" to ruin the peach crop, he says.
Hazelnuts, which bloom between December and March,
may also have been affected by the cold: "The winter blooming plants
just got fried." He warns too that "anything in a pot" has been "frozen
solid."
But weather cycles, he says, "are the norm." And,
Penhallegon says, "we forget" about weather cycles from 30 to 50 years
ago.
But will Oregon's chefs be able to cook with tropical
fruits grown locally and will the weather cycles change our "northwest
cuisine" entirely? Global warming has been blamed for the poor snow
pack the last couple of years that has badly affected the Northwest
apple crop. Global warming has also been blamed for the "dead zone"
that has been lurking off the Oregon coast for the past six years.
Researchers say it is killing crabs as well as Oregon's beloved and
tasty salmon.
Then again, global warming also caused Taiwanese
papayas, bananas, pineapples and mangoes that usually ripen in June
to hit the market in March last year, reports Fresh Plaza,
a news source for "fresh produce and banana news." That's good news
if you like your tropical fruit early in the season, but the warming
also means that those fruits are rotting faster, too, thanks to the
fungi that degrades them. A study in the journal Science says
that fungi are ripening earlier and faster, thanks to warmer weather
and more rain
Oui!
C'est Biologique!
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