Effect of planting dates on the level of European corn borer (Ostrinia nubilalis hbn.) Infestation, and crop injury and grain yield of maize (Zea mays l.)
Knežević, Stevan Z.
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Proper planting date is important for maize production. Therefore, field studies were conducted from 1995-2005 to determine the most suitable planting date for six maize hybrids (FAO 300-700 maturity groups) as influenced by infestation level of European corn borer (ECB), Ostrinia nubilalis (Hbn). Significant differences in the levels of ECB infestation, level of damage and grain yield were observed between the planting dates, and the years. The total plant infestation by both generations ECB over the planting dates ranged from 47% to 60%. Plant damage rating was on the average of 2.2 and slightly differed across the planting dates. Yield results indicated that the planting period for maize production in the Vojvodina province was from April 15 to May 5, but the Most Suitable date was the beginning of the third week of April.
Keywords:Maize (Zea mays L.) / European Corn Borer (Ostrinia nubilalis Hbn.) / Planting date / Insect infestation / Plant damage / Yield
Source:Maydica, 2008, 53, 2, 111-115
- Maydica-Ist Sper Cerealicoltur, Bergamo