Figure 8.

Responses of wild-type, irt1-1, and ysl1ysl3 plants to alternative methods of Fe supplementation. A, Total chlorophyll concentration of shoot systems of plants receiving foliar treatment of ferric ammonium citrate (black bars) or ammonium citrate (white bars). B, Seed production by plants receiving foliar treatment of ferric ammonium citrate (black bars) or ammonium citrate (white bars). C, Seed production by plants receiving subirrigation treatment with Fe-EDDHA (black bars) or plain water (white bars).