Natural Flea Control: The Main Defense For Pests Like Corn Rootworms

All the way through the United States corn belt, the primary set of bugs are the corn rootworm beetles. You'll find actually 3 species of corn rootworms in Kentucky, the northern, western and southern corn rootworms. Even though they each destroy corn in the same way, by chewing on the roots of the developing plant, they have quite a few specific disparities in their biology and administration.

The older of all the three varieties is a lightweight green beetle approximately -inch in size. This particular type of rootworm is the most frequently found species attacking corn in Kentucky and may be identified by these particular black stripes on its light green shape. This variety of rootworm (better known as the spotted cucumber beetle) is more prevalent than the western, but is simply an occasional infestation of corn. The southern corn rootworm is acknowledged by the eleven visible black spots on the green wing covers. The least well-known of the species in the state of Kentucky is the northern corn rootworm that is certainly lacking in any black marks on the wing covers.

That which is common with all the corn rootworms in Kentucky usually their offspring hatch in late spring and the larvae are harmful to corn roots. Usually the the vast majority of harm transpires throughout the month of June. Just what can be different among the species is anytime the eggs are laid. With the west and north species the eggs are put in the dirt at the base of corn plants throughout the previous summer.

That is why, in Kentucky the western and northern corn rootworms are only challenging in steady corn. The southern corn rootworm overwinters as a mature and will place its offspring in the planting season. The southern corn rootworm has quite a wide host range and will lay down its eggs all around the bases on a lot of plant types, it usually does not focus on just corn.

The problems achieved by the larvae to corn roots is often widespread. Corn plants develop roots on gradual rings, the corn rootworm larvae can damage about three or more complete rings of roots during June if populations are serious. Corn plants that were greatly affected by corn rootworm larvae frequently fall over moderately and may try to bend upward. This is typical of rootworm damage and is named 'goose-necking' of corn. Weakened roots will typically develop a proliferation of secondary roots and may demonstrate signals of drought strain also through periods of adequate soil seepage. The damage accomplished by the larvae to corn roots can be extensive. Corn plants develop roots on revolutionary rings, the corn rootworm larvae can destroy about three or more full rings of roots during June if populations are severe.

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