What is citrus greening disease?

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Citrus greening disease is one of the world’s most serious citrus diseases, with no known cure. Within years, the disease greatly reduces the production of citrus trees and is spread by gnat-sized insects called Asian citrus psyllids.

John Caravetta, associate director of the plant services division of the Arizona Department of Agriculture

Endeavour Watch Party

“Endeavour” Season 9 Watch Party!

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aired May 28

National Memorial Day Concert

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Join a Super Why Reading Camp to play, learn and grow

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aired May 17

NOVA’s two part series on “Your Brain”

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