Iowa State Journal of Research, Volumes 52-53Iowa State University Press, 1977 - Biology |
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Page 342
... selection was made for fast- and slow - growing seedlings based on total height . Selected seedlings were labeled by seed source , selection decision ( fast or slow ) , and individual number ( i.e. , 4-13 was Alnus glutinosa seed lot 4 ...
... selection was made for fast- and slow - growing seedlings based on total height . Selected seedlings were labeled by seed source , selection decision ( fast or slow ) , and individual number ( i.e. , 4-13 was Alnus glutinosa seed lot 4 ...
Page 356
... selection , lodging decreased from 24.2 to 20.7 % for topcrosses of the selected populations with five single - cross testers , and from 25.7 to 19.1 % for the populations per se . Associated decreases in grain yield were 3.2 q / ha for ...
... selection , lodging decreased from 24.2 to 20.7 % for topcrosses of the selected populations with five single - cross testers , and from 25.7 to 19.1 % for the populations per se . Associated decreases in grain yield were 3.2 q / ha for ...
Page 295
... selected by the modified selection index and the rank - summation index ( Table 5 ) . Only when selection was based on one year's data ( i.e. , Ames 1974 , and Ames and Algona 1974 ) were there discrepancies between inbreds selected by ...
... selected by the modified selection index and the rank - summation index ( Table 5 ) . Only when selection was based on one year's data ( i.e. , Ames 1974 , and Ames and Algona 1974 ) were there discrepancies between inbreds selected by ...
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