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How plant silica affect on maize resistance to the European corn borer, Ostrinia nubilalis (Hubner) (CROSBI ID 642375)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Sarajlić, Ankica, Raspudić, Emilija, Majić, Ivana, Lončarić, Zdenko, Josipović, Marko How plant silica affect on maize resistance to the European corn borer, Ostrinia nubilalis (Hubner) // Book of Proceedings VII International Scientific Agriculture Symposium "Agrosym 2016" / Kovačević, Dušan (ur.). 2016. str. 1669-1674

Podaci o odgovornosti

Sarajlić, Ankica, Raspudić, Emilija, Majić, Ivana, Lončarić, Zdenko, Josipović, Marko

engleski

How plant silica affect on maize resistance to the European corn borer, Ostrinia nubilalis (Hubner)

Silicon (Si) is not considered as an essential element but it is beneficial. It has been found to help improving tolerance against insects increasing stem strength, plays a very important role in drought tolerance, enhance nutrient deficiency. Tissue levels of Si vary within plant species or cultivars. The aim of this study was to determine silicon concentration in maize leaf under different levels of irrigation, nitrogen fertilization and various genotypes and relationship with ECB larvae damage. Field experiments were conducted during three years (2012-2014) at the Agricultural Institute in Osijek (Croatia) with natural infestation of European corn borer (ECB). At the end of each growing season ear weight (g), tunnel length (cm), ear shank damage (cm), the number of larvae in maize stalk, number of larvae in the ear shank, and total number of larvae in plant were determined. In silking stage, ten leaves (below the ear), from 10 maize plants were sampled on each variant (total 1, 080 plants) and silicon concentration was determined (%). There was no statistically significant difference between irrigation levels in silicon concentration while the variant with the highest level of nitrogen fertilization had the lowest concentration of silicon and the greatest damage from ECB larvae (P<0.05). Hybrid resistance didn't entirely depend on silicon concentration, even though damage was reduced with higher concentration of silicon at some hybrids. Silicon availability to plants is low in the soil and it is necessary to apply silicon fertilization to enhance plant resistance.

European corn borer ; silicon ; irrigation ; nitrogen fertilization ; hybrid

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Podaci o prilogu

1669-1674.

2016.

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objavljeno

978-99976-632-7-6

Podaci o matičnoj publikaciji

Book of Proceedings VII International Scientific Agriculture Symposium "Agrosym 2016"

Kovačević, Dušan

Podaci o skupu

VII International Scientific Agriculture Symposium „Agrosym 2016“

poster

06.10.2016-09.10.2016

Jahorina, Bosna i Hercegovina

Povezanost rada

Poljoprivreda (agronomija)