JZUS - Journal of Zhejiang University SCIENCE

Journal of Zhejiang University SCIENCE B 2005 Vol.6 No.3 P.155-157

http://doi.org/10.1631/jzus.2005.B0155

Development of Pasteuria penetrans in Meloidogyne javanica females as affected by constantly high vs fluctuating temperature in an in-vivo system

Author(s): DARBAN D.A., GOWEN S.R., PEMBROKE B., MAHAR A.N.
Affiliation(s): Department of Agriculture, School of Agriculture, Policy and Development, The University of Reading, UK
Corresponding email(s): d_darban@hotmail.com
Key Words: Pasteuria penetrans, Meloidogyne javanica, Development and tomato plants

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Abstract: Growth room and glasshouse experiment was conducted to investigate the effect of constant and fluctuating temperatures on the development of Pasteuria penetrans a hyperparasite of root-knot nematodes. Tomato plants (Lycopersicon esculentum Mill) were inoculated with Meloidogyne javanica second-stage juveniles attached with endospores of P. penetrans and were grown in growth room at 26-29 °C and in glasshouse at 20-32 °C. The tomato plants were sampled from the growth room after 600 degree-days based on 17 °C/d, accumulating each day above a base temperature of 10 °C and from the glasshouse after 36 calendar days. Temperature affected the development of P. penetrans directly. The rate of development at constant temperature in growth room was faster than that in the glasshouse at fluctuating temperatures.

Reference

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