Experimental material of Garner and Allard for discovery of photoperiodism was ………………..
A. Cucumber and Tomato
B. Dahlia and Aster
C. Soybean and Tobacco
D. Cabbage and Spinach
Answer:C
Experimental material of Garner and Allard for discovery of photoperiodism was ………………..
A. Cucumber and Tomato B. Dahlia and Aster C. Soybean and Tobacco D. Cabbage and Spinach