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1 October 2002 Antibiosis of the Pith Maize to Sesamia nonagrioides (Lepidoptera: Noctuidae)
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Abstract

Thirteen inbred lines of maize (Zea mays L.) with different levels of stem resistance to the stem borer Sesamia nonagrioides Lefevbre were evaluated in the field and the laboratory to determine the antibiotic resistance to this pest. Inbreds CM151, CO125, and EP39 had antibiotic pith as well as stem resistance, so the pith could play a role in stem resistance. Inbreds A509, F473, and PB130 did not have antibiotic pith but had stem resistance; therefore, other mechanisms could confer stem resistance. Finally, the inbred MS1334 had antibiotic pith and did not show stem resistance; thus, other factors could compensate the effect of the pith. Therefore, although pith antibiotic compound seems to play a role in the defense against S. nonagrioides attack, it is not the only possible mechanism of defense.

B. Ordás, A. Butrón, P. Soengas, A. Ordás, and R. A. Malvar "Antibiosis of the Pith Maize to Sesamia nonagrioides (Lepidoptera: Noctuidae)," Journal of Economic Entomology 95(5), 1044-1048, (1 October 2002). https://doi.org/10.1603/0022-0493-95.5.1044
Received: 12 June 2001; Accepted: 1 February 2002; Published: 1 October 2002
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