HSVd infects a broad range of natural hosts. It has been reported to be the causal agent of five different diseases (citrus cachexia, cucumber pale fruit, peach and plum dapple fruit, and hop stunt). HSVd is transmitted mechanically and by seed materials such as scions or cuttings. It is...
The extract is prepared by dipping Pittosporum tobira Ait. fruits in a mixture solvent of water and ethanol. The plant diseases are caused in Oriza sativa, grass, mill, barley, or Barnyard millet. A method for preventing a plant disease caused by Pyricularia grisea comprises a step of ...