Issue no. 8 of the Home, Yard & Garden Newsletter is now available
IN THIS ISSUE:
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Japanese beetles are emerging in central Illinois. Fall
webworm should be present in the southern half of the state. Cicada killers,
sand wasps, and other ground-nesting wasps are becoming noticeable as well.
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Anthills are commonly a problem in golf courses, lawns,
and flower beds. They are primarily an aesthetic problem due to their
unsightliness. Control of ants is commonly requested by homeowners but rarely
warranted. On golf greens, they can hinder play. Some ants build large nests
that stick up high enough to impede mowing.
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Daylilies are a common ornamental plant in Illinois, but
when infected with daylily leaf streak, this beautiful plant can be reduced to
a withered mess. Daylily leaf streak disease is caused by the fungus
Aureobasidium microstictum<. It is most widespread under wet and cool
conditions.
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Bacterial Spot of Stone Fruit (Xanthomonas campestris pv.
Pruni) is a disease that can infect a number of stone fruits, from peaches and
plums to cherries and almonds. It was originally discovered in 1903 on a
Japanese Plum tree in Michigan. Since then it has spread to nearly every stone
fruit producing country in the world. This disease can affect leaves, branches,
and fruits, and is more severe in areas where fruits are grown in light, sandy
soils with a warm and humid environment. Prunus species and their cultivars
vary widely in susceptibility.
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