Planthopper outbreaks in 2009

By
K. L. Heong
Insect Ecologist
International Rice Research Institute,
Los Banos, Philippines

In the last 8 months I have received reports from various sources and have personally seen some planthopper outbreaks in rice production areas. Some of them are posted in Ricehoppers, while others were sent to me via email.  Precise data on the extent of occurrence, damage, [...]

IPM @ 50

by
K.L. Heong
Insect Ecologist
International Rice Research Institute, Los Baños, Philippines
A few days ago Professor Dale Bottrell of the University of Maryland brought to my attention this important event.  In October 1959 the Integrated Pest Control (IPC) concept was first published by Vernon M. Stern, Ray F. Smith, Robert van den Bosch and Kenneth S. Hagen in Hilgardia, [...]

Farms that apply insecticides for leaf folder control are 10 times more at risk to hopperburn

by
H.V. Chien and L.Q. Cuong
Director and Deputy Director, Southern Regional Plant Protection Center, Long Dinh, Tien Giang, Vietnam and
K.L. Heong, Insect ecologist, International Rice Research Institute, Los Banos, Philippines
Some have postulated that rice farms that control leaf folder in the early crop stages tend to be more vulnerable to planthopper attacks (http://ricehoppers.net/2009/03/24/spraying-for-leaf-folders-increases-crop-vulnerability-to-planthopper-outbreaks/).  We conducted a [...]

Campaign to manage planthoppers launched in Thailand

by
Manit Luecha
Director, Chainat Seed Center
Rice Department, Chainat, Thailand
The brown planthopper has become a serious threat in rice production in Thailand’s central plains.  What had been reported from Suphan Buri earlier in Ricehoppers.net (http://ricehoppers.net/2009/08/10/hopperburn-in-thailand%e2%80%99s-rice-bowl/) seemed to be have affected a much wider area. The Thai Ministry of Agriculture on 1 September 2009, reported [...]

China’s Natural Science Foundation (NSFC) supports planthopper research

by
Jiaan Cheng, Professor, Institute of Insect Sciences, Zhejiang University, Hangzhou, China

The National Natural Science Foundation of China’s has approved a proposal prepared jointly by the Institute of Insect Sciences, Zhejiang University (ZU) and IRRI to undertake “Comparative Analysis of Ecological Functions Regulating Planthopper Outbreaks in Tropical and Chinese Rice Ecosystems”. The approved project of [...]