1965•New Zealand Journal of Agricultural ResearchOpen access

Variability in sexual reproduction of Phytophthora cinnamomi Rands

K. H. Chee, F. J. Newhook

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Abstract

Abstract Sixteen New Zealand and 10 overseas isolates of Phytophthora cinnamomi Rands have been compared for oospore production in paired and single cultures. Considerable variability existed among the 26 isolates in respect of mating ability and responses to physical and chemical factors. Addition of steroids and related materials did not influence oospore production. However, hypoxanthine increased oospore production in two isolates.

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Abstract Sixteen New Zealand and 10 overseas isolates of Phytophthora cinnamomi Rands have been compared for oospore production in paired and single cultures. Considerable variability existed among the 26 isolates in respect of mating ability and responses to physical and chemical factors. Addition of steroids and related materials did not influence oospore production. However, hypoxanthine increased oospore production in two isolates.

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Available abstract

Abstract Sixteen New Zealand and 10 overseas isolates of Phytophthora cinnamomi Rands have been compared for oospore production in paired and single cultures. Considerable variability existed among the 26 isolates in respect of mating ability and responses to physical and chemical factors. Addition of steroids and related materials did not influence oospore production. However, hypoxanthine increased oospore production in two isolates.

Key concepts: Oospore, Phytophthora cinnamomi, Sexual reproduction, Biology, Botany, Reproduction, Horticulture, Phytophthora

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