(2S,8Z)-2-Butyroxy-8-heptadecene: Major Component of the Sex Pheromone of Chrysanthemum Gall Midge, Rhopalomyia longicauda
- Ya-Jia Liu, D. Hall, Xiong-kui He
- Biology, MedicineJournal of Chemical Ecology
- 25 June 2009
The sex pheromone of the chrysanthemum gall midge, Rhopalomyia longicauda, was identified, synthesized, and field-tested and field tests showed that rubber septa containing racemic (Z)-2-butyroxy-8-heptadecene were attractive to R. longicAuda males.
[SVM-based spectral recognition of corn and weeds at seedling stage in fields].
- Wei-yan Deng, Luda Zhang, Xu Wang
- Computer ScienceGuang pu xue yu guang pu fen xi = Guang pu
- 1 July 2009
Although the recognition accuracy of the model based on SVM algorithm is not above 90%, the authors still think that the research on weeds recognition using spectrum technology combining SVM method discussed in this paper is tremendously significant.
Utilization of thermal infrared image for inversion of winter wheat yield and biomass.
- Wenyong Du, Luda Zhang, Xiong-kui He
- Environmental Science, MedicineGuang pu xue yu guang pu fen xi = Guang pu
- 1 June 2011
The results indicated that thermal infrared image can be used potentially for inversion of winter wheat yield and biomass.