Quantitative Analysis of the Growth o/Helianthus aunuus. 373 



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Tempera- 

 ture 

 durijig 

 experi- 

 ment. 



O O U3 U3 >0 

 ^ N IM N 



Dry- 

 weight 

 of an 

 average 

 plant. 



mgrm. 

 175 

 163 

 157 

 485 



No. of 

 plants 

 used. 



Q O O 

 ^ i-( r-1 



Time in 

 temperature 



chamber 



before 

 estimations 



started. 



hours. 

 3 



5-8 



8-25 



0-8 



Interval 

 between 

 gathering 

 and placing 

 in 



temperature 

 chamber. 



S in t~- la u5 



_° N O O O 



Days 

 from 

 germina- 

 tion. 



r-l lO 00 

 I-H I— I ^ f-H 



No. of 

 experi- 

 ment. 



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