1.   Plant tomato varieties resistant to nematodes.

2.   This agreement obliges countries to have measures for the intellectual property protection of plant varieties.

3.   While companies talk about sustainable agriculture, they create plant varieties that can withstand being sprayed by their most virulent herbicides.

4.   Under the proposals for the new General Agreement on Tariffs and Trade, genetically-engineered plant varieties are to be protected by patents or similar legislation.

5.   As you would expect, this is the place to go to find seeds for plant varieties that your grandparents would know and recognize.

6.   -- Refused to extend patent protection for new plant varieties beyond a prohibition on direct reproduction, through grafting or other means, or a single new plant.

7.   -- The newest plant varieties are introduced to the world at Chelsea.

8.   Different plant varieties are pointed out on the trail, but this is only partly a flower hike.

9.   DNA Plant Technology is an Oakland, California-based biotechnology company that develops and improves plant varieties through genetic engineering and advanced breeding techniques.

10.   DNA Plant Technology, a unit of DNAP Holding Corp., is a biotechnology company that develops and improves plant varieties through genetic engineering and advanced breeding techniques.