2017 ASHS Annual Conference
	
		Jongwoo Han
	
							
Jongwoo Han
						
	
	watermelon research institute, agricultural research & extension services, chungcheongbukdo
	
	
	
	Eumseong-gun
	
	Korea, Republic of (South)
	27668
	
	Papers:
	 
	Control Effect of Organic Materials on Powdery Mildew and Seasonal Occurrence of Diseases and Insect Pests in Small-type Watermelon in Korea 
	
