0-6 - 



O A 





02 



Leaf 



O 6 - 



— o 



o o- 



-— o 



4 



02 



Weight Ratios 

 Stem 



0-6 



0-4 



o- _-Helianthus 



-o 



02 



o 



Hordeum 



Root 



..o- 



cr 

 O— 



. — 'O 



. -o 



OS 



10 



OS 



10 



o s 



10 



Light Level (daylight = 10) 



Figure 5. The influence of shading on the leaf-weight ratio, stem-weight ratio, and root- 

 weight ratio of Fagopyrum esculentum, Helianthiis annuus, and Hordeum vulgare. 



o 6 



o 4 - 



o 

 a: 



02 



(a) Lathyrus 



leaf 



— O— 



root 



O. 



O-. 



.Q 0-- 



shoot 



o 6 • 



-O 



o 4 



02 



O 



(b) Geum 



.C^^ 



^O--- 



shoot 

 — O 



o 



0-5 10 OS 



Light Level (daylight= 10) 



10 



Figure 6. The influence of shading on the leaf-weight ratio, shoot-weight 

 ratio, and root-weight ratio of Lathyrus maritimiis and Geum urbanum. 



