1st Quarter 1993 Water Garden Journal

In This Issue

4 Waterlily: Investigation of Fungicide Efficacy and Phytotoxicity
undertaken by the Agriculture Development and Advisory Service for the Waterlily Research Association
 
10 Distribution and Establishment of Exotic and Native Plants that Tend to Become a Nuisance in Natural Waters of North America
by BARRE HELLQUIST 

14 Feeding Aquatic Plants
by PHILIP SWINDELLS 

15 Water Lily Disease
by RAY DAVIES 

16 Confusion About The Waterlily "Postlingberg"
by KARL WACHTER 

Departments:
1 Replacement Copies 
1 Announcements 
1 Editorial 
1 President's Message 
2 RHS Colour Charts 
3 IWLS Tee Shirts and Sweat Shirts 
3 WLS Announcement of Research Grants 
19 IWLS I dentification of Hardy Nymphaea 
22 IWLS 1993 Commercial Members 
24 Membership Information