Flora Library
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northern spy host:www.canr.msu.edu
Listing 1 - 5 from 5 for northern spy
european red mite crop loss woolly apple aphid northern spy large fruit petal fall winter eggs fruit trees red del somewhat larger elm trees apple crop spindle shaped potassium and magnesium summer eggs year old wood
Bitter Pit Management in Apples
... leaf nitrogen levels at about 2% in the early spring. Fertilization of processed varieties like Northern Spy should be light in the spring and light in late August or early September (10 ...
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European Red Mite
... , but no variety has been observed to be particularly immune. Mites seem to favor Delicious, Northern Spy and Rome. Winesap is not seriously affected. No particular difference has been observed in the ... of the San Jose scale are carried. Monitoring Select trees such as Red Delicious or Northern Spy that are susceptible to mites. Using a lens that has a 10x to 14x magnification ...
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European Fruit Lecanium Scale Fact Sheet
... Host plants include shade and forest trees. The scale will also attack fruit trees. The Northern Spy apple has been most frequently attacked. It has also been found on Wealthy and Transparent ...
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Woolly Apple Aphid
... parasitoids (especially Aphelinus mali) that normally keep aphid populations under control. Some varieties, such as Northern Spy, are resistant to this pest. Elm trees in the vicinity of orchards increase the migration ...
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Work Sheets for Estimating Fireblight Losses in 2000
... 909,000 309,000 34% McIntosh 210,000 168,000 234,600 66,600 28% Northern Spy 60,000 54,000 68,400 14,400 21% RI Greening 83,000 74,000 ... ,380,700 Mutsu 220 32,300 4,202,000 HS - 60% 2,521,200 N. Spy 320 39,300 6,112,000 S - 40% 2,444,800 Paula Red 415 53 ...
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