What makes red and yellow autumn leaves
The article explains fall color results from seasonal conditions and leaf chemistry. Clear sunny days and cool nights boost pigments chlorophyll carotinoids and anthocyanins, with carotenoids yielding yellow and anthocyanins red or purple as chlorophyll fades. colors are long present, masked by green in spring and summer.
MENTIONED IN THIS ARTICLE
Jack Frost
Fire blight devastates New York apple orchards
The fire blight outbreak hit New York fruit belts along Lake Ontario with heavy tree losses. Cornell plant pathologist Prof. Arneson notes damage may persist for years and cites Agnes storm conditions as a key spread factor. Weather in coming year will determine if repeats occur.
MENTIONED IN THIS ARTICLE
Ithaca
New York
Lake Ontario
Phil A. Arneson
Cornell
Niagara
Orleans
Monroe
Wayne
Arneson
Agnes
Campgrounds Add Home Comforts Says Cornell Experts
Cornell researchers Bruce T Wilkins and Tommy L Brown report private New York campgrounds now offer electricity water and sewer hookups in about two thirds of sites flush toilets and hot showers at over 80 percent and recreation halls at about 90 percent. They note hayrides dances movies tours and suppers are common and that RV growth drives the boom.
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Ithaca
Cornell
Bruce T. Wilkins
Tommy L. Brown
New York
Brown
Brown and Wilkins
New York State
Department of Natural Resources
Fernow Hall
Cornell University
N.Y
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