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2003•Xibei Nong-Lin Keji Daxue xuebao. Ziran kexue banRequires access

Relationships between sucrose content and resistance of corn to stalk rot

Long Shu

Open publisher page 1 citations

Abstract

The relationship between sucrose content and corn resistance to corn stalk rot caused by Fusarium graminearum was investigated.The incidence of corn stalk rot was closely related to sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage.Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.In addition,disease incidence was negatively correlated with sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage. The results suggested that sucrose content could be used as an indicator of corn stalk rot resistance and for selecting corn hybrids for resistance to corn stalk rot.

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What this paper is about

The relationship between sucrose content and corn resistance to corn stalk rot caused by Fusarium graminearum was investigated.The incidence of corn stalk rot was closely related to sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage.Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.In addition,disease incidence was negatively correlated with sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage. The results suggested that sucrose content could be used as an indicator of corn stalk rot resistance and for selecting corn hybrids for resistance to corn stalk rot.

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Available abstract

The relationship between sucrose content and corn resistance to corn stalk rot caused by Fusarium graminearum was investigated.The incidence of corn stalk rot was closely related to sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage.Corn hybrids resistant to stalk rot had higher sucrose contents in the pith tissues of the second internode above the ground than hybrids susceptible to the disease.In addition,disease incidence was negatively correlated with sucrose content in the pith tissues of the second internode above the ground at the physiological maturity stage. The results suggested that sucrose content could be used as an indicator of corn stalk rot resistance and for selecting corn hybrids for resistance to corn stalk rot.

Key concepts: Stalk, Pith, Sucrose, Hybrid, Biology, Horticulture, Agronomy, Fusarium

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