Monthly Archives: December 2008

Planthoppers – Potential threats to the sustainability of intensive rice systems

Posted on December 24, 2008 by moni

By K.L. Heong International Rice Research Institute China loses about a million tons of paddy caused by planthopper outbreaks annually.  This is despite the huge amounts of pesticides being used by farmers. On average, Chinese rice farmers spray at least … Continue reading →

Posted in Ecological engineering, Insecticide resistance, Planthoppers | Tagged | 6 Comments

Component technologies for rice tungro disease management

Posted on December 17, 2008 by moni

By R. Cabunagan, ER Tiongco and IR Choi R. Cabunagan and IR Choi are virologists at IRRI while ER Tiongco is plant pathologist at PhilRice Farmers in developing countries have difficulties managing plant diseases. Because of their limited understanding on … Continue reading →

Posted in Host plant resistance, Virus disease management | Tagged , | 3 Comments

Neonicotinoids – Silent Summer Without Bees

Posted on December 11, 2008 by moni

By Dr. K. Sogawa A planthopper entomologist who has been doing research on rice planthoppers for more than 35 years in Japan, China and Indonesia. Recently I have read an interesting book  published in Japanese, entitled (in English) Neonicotinoids, Devilish … Continue reading →

Posted in Insecticide resistance | Tagged , , , | 2 Comments