Iowa State Journal of Research, Volumes 52-53Iowa State University Press, 1977 - Biology |
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Page 341
... growth and ability to fix atmospheric nitrogen . This paper discusses techniques for rapid assessment of its growth potential . Growth rate of superior Alnus clones was found to equal or exceed that of a fast - growing , hybrid Populus ...
... growth and ability to fix atmospheric nitrogen . This paper discusses techniques for rapid assessment of its growth potential . Growth rate of superior Alnus clones was found to equal or exceed that of a fast - growing , hybrid Populus ...
Page 348
... growth - potential classes . Variation in cotyledon size may have caused differences in initial growth after germina- tion and yet may have had no effect on later growth performance . The same could be said of germination time . It was ...
... growth - potential classes . Variation in cotyledon size may have caused differences in initial growth after germina- tion and yet may have had no effect on later growth performance . The same could be said of germination time . It was ...
Page 274
... growth cycle . High levels of heterosis for early vegetative growth often are associated with comparable hybrid vigor for grain yields of mature plants . Quinby ( 1970 ) proposed that the growing points of sorghum hybrids are larger ...
... growth cycle . High levels of heterosis for early vegetative growth often are associated with comparable hybrid vigor for grain yields of mature plants . Quinby ( 1970 ) proposed that the growing points of sorghum hybrids are larger ...
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adult aedeagus Agricultural analysis apical Apothecia Biology carbofuran cavity cercus cestodes characters coll collected Diptera dry weight Economics Education effects Ellis Engineering European corn borer evaluation Experiment F3 bristles factors faculty Falstaff farm female Figure genitalia genotypes gonopod grain yield Henry heterosis holotype Homoneura hybrids hymenial hymenium IASU Ibid inbred lines indicated infestation Iowa State Journal Iowa State University Johnson Journal of Research laboratory larvae leaf leaf-water potential length Leontes localities CNC locus of control lowa maize male Malloch manuscript paratypes percentage plant play plot Poel population preapical presutural reared relationship reported response Richard Richard II root S5 processes sample scene Science seed setae setulae Shakespeare Shewell significant social studies soil soybeans species specimens spermatid stage stalk surstylus Table terminal processes thesis tissue trap USNM variables ventrally wing Winter's Tale