Egg-laying of the European corn borer, Ostrinia nubilalis
1996
Cagan, L. | Tancik, J. (Vysoka Skola Polnohospodarska, Nitra (Slovakia))
The incidence of European corn borer (ECB) eggs was observed on maize plants near Nitra in southwestern Slovakia. At the beginning of the egg-laying, the clusters were usually found on the 4th and 5th lower leaves. During egg-laying maximum the clusters were mostly observed on the 5th, 6th and 7th leaves. Height above soil level of the egg clusters was not influenced by average daily temperatures. Over seven years, the mean number of eggs in one cluster ranged from 15.03 to 18.24. A very strong correlation was obtained between the amount of eggs observed on the maize plants and the percentage of damaged plants in autumn (r=0.894, p=0.00662).
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