The problem of the quality of output of grapefruit that make it impossible to export the resulting shell is damaged because of the destruction of disease and insect enemies: disease, cache ngakoe. Black point disease wounds Disease or diseases, fungi, sky of tears The wound from the destruction of the red, white, and leafhoppers, how light how do worms smallpox, so research to improve the quality of output, with the suitable method. The economic value and safety, it is important to promote the quantity exported increased output of grapefruit and farmers income and quality manufacturers of life. Assoc. Prof. Dr. Amphaiwan Pharatnuwat Department of plant diseases. Faculty of agriculture, Kasetsart University as the Coordinator, therefore occurs, with the purpose to prevent and reduce the damage caused by the destruction of disease and insect enemies.
การแปล กรุณารอสักครู่..