Web based IPM system for Japanese pear diseases in Japan. III. Weather data acquisition system to estimate leaf wetness duration and scab infection severity.

is automatically transferred to the weather database server once a day, using e-mail over a PHS-based dial-up Internet link. These data can be utilized on WWW, and accessed by the various models through Metbroker. Web based IPM system for Japanese pear diseases in Japan III. Weather data acquisition system to estimate leaf wetness duration and scab infection severity Tohru OHTANI, Koji SUGAHARA, Kei TANAKA, Matthew LAURENSON,Tomonari WATANABE, and Seisaku UMEMOTO