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Necrotic Leaf Blotch of Golden Delicious Apples
https://ohioline.osu.edu/factsheet/plpath-fru-12
disease develops. During the course of the season, 10 to 50 percent defoliation may occur on severely ... weather following a humid, rainy period. Other environmental factors or an air pollutant may be involved. ... difficult to assess the role of fungicides in reducing necrotic leaf blotch. The effect may be indirect, by ...
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Black Root Rot of Strawberry
https://ohioline.osu.edu/factsheet/plpath-fru-05
weeks before harvest. Although severely affected plants may die before harvest, it is more common for ... may also be involved. Control Because several factors appear to be involved in the black root-rot ... complex, no general control measure is totally effective. The following may help to reduce its incidence: ...
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Liquidambar styraciflua
https://chadwickarboretum.osu.edu/woody-plants/liquidambar-styraciflua-0
ideal condition: at least six hours of direct, unfiltered sunlight each day. The American sweetgum grows ...
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Soil Acidification: How to Lower Soil pH
https://ohioline.osu.edu/factsheet/agf-507
and quick changes in soil pH should not be expected. It may take a few months or longer to change soil ... entire volume of soil (which may be possible if the container is small enough), mix the sulfur with the ... of soil (360 ÷ 37,635,722 x 8143). For a deep rooted crop this may not acidify the entire volume of ...
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Tree University: Native Trees In Your Landscape
https://chadwickarboretum.osu.edu/events/tree-university-native-trees-your-landscape
1-hour webinar and Q&A. Kathy Smith joined ODNR, Division of Forestry, in 1990 as a watershed ...
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Sudden Death Syndrome of Soybean
https://ohioline.osu.edu/factsheet/AC-44
drainage in wet spots, infection may also be prevented or limited. Reduction in Soil Compaction SDS is ...
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Arbor Day Celebration
https://chadwickarboretum.osu.edu/events/arbor-day-celebration-0
Approximately 24 hours before the webinar, you will receive a Zoom link to connect to the webinar from ...
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Cereal Leaf Beetle
https://ohioline.osu.edu/factsheet/ENT-38
current label directions for the specific pesticide being used. Due to constantly changing labels and ... product registration, some of the recommendations given in this writing may no longer be legal by the time ...
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Be Aware of Heat Stress
https://ohioline.osu.edu/factsheet/aex-79011
illness or death. During hot weather, heat stress may be an underlying cause of other conditions, ... injuries, may occur more frequently in hot weather due to fatigue and discomfort. Heat Exhaustion Symptoms ... and First Aid Heat exhaustion may occur after several days of heat exposure without enough fluid ...
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Black Vine Weevil (and Other Root Weevils)
https://ohioline.osu.edu/factsheet/ENT-49
hemlock from mid-summer through fall and in early spring. More mature larvae may even feed on larger roots ... to move toward the surface, where they may feed on the stem of host plants. If the stems are girdled, ... generations may occur for populations infesting plant material in greenhouses. Black vine weevil larvae Female ...