Population Dynamics of Heterodera schachtii on Tomato and Sugar Beet

Authors

  • A. E. Steele

Abstract

Experiments showed that development of male and female Heterodera schachtii on tomato and sugarbeet are disproportionately influenced by the nematode inoculum level and root size, which together determine the density of invading larvae. Slight overcrowding favored development of males over females, whereas severe overcrowding equally affected development of males and females. Differential population changes of host-selected races on tested cultivars was attributable to selective development of male and female nematodes. Key Words: differential development, sugarbeet nematode, L.vcopersicon esculentum, Beta vulgaris.

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Published

1975-04-15

Issue

Vol. 7, No. 2 (April 1975)

Section

Articles

License

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