Evaluation of the response of three maize hybrids against European corn borer Ostrinia nubilalis in different sowing dates in the Moghan region

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Ebrahimi Laleh; SHIRI MOHAMMAD REZA; Badali Ali

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Journal: Journal of Applied Research in Plant Protection Year:2021 | Volume:10 | Issue:1 Page(s): 17-27

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Information Journal Paper

Title

Evaluation of the response of three maize hybrids against European corn borer Ostrinia nubilalis in different sowing dates in the Moghan region

Author(s)

Ebrahimi Laleh | SHIRI MOHAMMAD REZA | Badali Ali | Issue Writer Certificate

Keywords

DamageQ2

Insecticide applicationQ2

Grain yieldQ1

Stalk breakageQ1

ToleranceQ1

Abstract

This research was carried out to evaluate the effect of Insecticide applications and sowing date on the severity of infestation and Damage of European corn borrer (ECB) on three maize hybrids. Two separate experiments (with and without Insecticide application against ECB) were conducted as a factorial experiment with two factors including sowing date at three levels (25th April, 10th May and 25th May) and hybrids at three levels (SC704, SC705-and SC706) based on randomized complete block design with four replications. The experiments were conducted for two years in Moghan region, Iran. The results showed that the yield of the studied hybrids under Insecticide application conditions (13. 28 t/ha) was significantly higher than that under no Insecticide application conditions (11. 45 t/ha). This shows that no Insecticide application against this pest reduced Grain yield by 1830 kg/ha (13. 80%). The results also showed that 25th May sowing date had the highest Grain yield with 14. 57 and 12. 98 t/ha in both Insecticide application and no Insecticide application conditions, respectively. In no Insecticide application conditions, SC706 hybrid with 12. 19 t/ha showed significantly higher Grain yield than SC704 and SC705 hybrids with 11. 38 and 10. 78 t/ha, respectively. Based on the two-year average, the SC706 hybrid also had the lowest number of holes per stem, tunnel length per plant, percentage of plant infestation and percentage of Stalk breakage due to the pest Damage. Therefore, the SC706 hybrid is a productive hybrid that is relatively tolerant against ECB.

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APA: Copy

Ebrahimi, Laleh, SHIRI, MOHAMMAD REZA, & Badali, Ali. (2021). Evaluation of the response of three maize hybrids against European corn borer Ostrinia nubilalis in different sowing dates in the Moghan region. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, 10(1 ), 17-27. SID. https://sid.ir/paper/389891/en

Vancouver: Copy

Ebrahimi Laleh, SHIRI MOHAMMAD REZA, Badali Ali. Evaluation of the response of three maize hybrids against European corn borer Ostrinia nubilalis in different sowing dates in the Moghan region. JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION[Internet]. 2021;10(1 ):17-27. Available from: https://sid.ir/paper/389891/en

IEEE: Copy

Laleh Ebrahimi, MOHAMMAD REZA SHIRI, and Ali Badali, “Evaluation of the response of three maize hybrids against European corn borer Ostrinia nubilalis in different sowing dates in the Moghan region,” JOURNAL OF APPLIED RESEARCHES IN PLANT PROTECTION, vol. 10, no. 1 , pp. 17–27, 2021, [Online]. Available: https://sid.ir/paper/389891/en

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