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A New Rating Scale for Sesamia inferens (Walker) (Lepidoptera: Noctuidae) Damage to Maize

Published online by Cambridge University Press:  19 September 2011

M. Lavakumar Reddy ,
T. Ramesh Babu  and
S. Venkatesh
M. Lavakumar Reddy
Affiliation:
Agricultural Research Station, Amberpet, Hyderabad-500013, India
T. Ramesh Babu
Affiliation:
Agricultural Research Station, Amberpet, Hyderabad-500013, India
S. Venkatesh
Affiliation:
Agricultural Research Station, Amberpet, Hyderabad-500013, India
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Abstract

Based on the systematic study of the nature of symptoms and extent of damage, a rating scale of 1 (healthy plant) to 9 (deadheart) was developed to allow the screening of maize genotypes for resistance to the pink stemborer, Sesamia inferens (Walker). The maize plants were separated into three distinct groups, namely least susceptible (1–3 score), moderately susceptible (4–6) and highly susceptible (7–9).

Résumé

En se basant sur l'étude systématique de la nature des symptômes et de l'étendue des dégàts, une échelle de classement comprise entre 1 (plante saine) et 9 (coeur mort) a été développée pour permettre un criblage des génotypes de maïs contre le foreur rose, Sesamia inferens (Walker). Les plants de maïs ont été séparés en trois groupes, peu attaqués (échelle 1–3), modérément attaqués (échelle 4–6) et fortement attaqués (échelle 7–9).

Keywords

Sesamia inferensNoctuidaedamage symptomsrating scaleSesamia inferensNoctuidaedégàtssymptômeséchelle de classement
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 23 , Issue 4 , December 2003 , pp. 293 - 299
Copyright
Copyright © ICIPE 2003

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References

REFERENCES

Butcheswara Rao, A. (1983) Techniques of scoring for resistance to maize stalk borer (Sesamia inferens), pp. 16–26. In Techniques of Scoring for Resistance to the Major Insect Pests of Maize (Edited by Joginder Singh). All India Co-ordinated Maize Improvement Project, Indian Agricultural Research Institute, New Delhi.Google Scholar
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