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Chungbuk Eumsung Research Institute ㅣSeoul Office

1) Test Name: Efficiency research of colloidal silver containing sterilization
water over gray mold occurring during tomato farming
2) Test Location : Gangwon-Do Hoingsung Farming Association
3) Test Period : 2000.2.11~3.29
4) Test Result

Test Date	Cultivation Sample Applied with Neutral Sterilization Water	Cultivation Sample Applied with General Agricultural Chemical
02.11	Start test	Start test
02.12	2 weeks thin out	1 weeks thin out
02.14	3 weeks thin out	4 weeks thin out
02.16	8 weeks thin out	12 weeks thin out
02.18	2 weeks thin out	4 weeks thin out
02.22	4 weeks thin out	7 weeks thin out
02.28	3 weeks thin out	11 weeks thin out
03.06	5 weeks thin out	-
03.11	-	5 weeks thin out
03.23	-	1 weeks thin out
03.29	Test Completed	Test Completed
Total	Total 27 Test Completed	Total 45 Test Completed
Efficiency	84%	73%

1) Test Name : Efficiency research of colloidal silver containing sterilization
water over powdery mildew occurring during cucumber farming
2) Test Place : Gangwon-Do Hoingsung Farming Association
3) Test Period : 2000.2.11~4.10
4) Test Result

Test Date	Cultivation Sample Applied with Neutral Sterilization Water	Cultivation Sample Applied with General Agricultural Chemical
02.11	White mildew occurred on many crops Tested only on crops with heavy symptoms	White mildew occurred on many crops Tested only on crops with heavy symptoms
02.14	Sterilization water spraying Heavier symptoms not found	Agricultural chemical spraying Heavier symptoms not found
02.15	Sporoblast of white mildew got weaker Controlling effect is expected	-
02.16	Spots from white mildew got very weak	White mildew still remains
04.10	Spots from white mildew not found	Still contain white mildew
Result	White mildew infection is surely controlled (Opinions from farmers)	White mildew still remains