Iowa State Journal of Research, Volumes 52-53Iowa State University Press, 1977 - Biology |
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Page 56
... characteristics with asterisks were used by previous authors for distinguishing the species ; however , they were used only in a generalized , comparative sense ; they had not be- fore been critically measured . The characteristics ...
... characteristics with asterisks were used by previous authors for distinguishing the species ; however , they were used only in a generalized , comparative sense ; they had not be- fore been critically measured . The characteristics ...
Page 57
... characteristics must be used . By use of the technique followed by Isely and Welsh ( 1960 ) , each of the characteristics was standardized so that most of the P. gracile specimens would fall on one end of the scale and most of the P ...
... characteristics must be used . By use of the technique followed by Isely and Welsh ( 1960 ) , each of the characteristics was standardized so that most of the P. gracile specimens would fall on one end of the scale and most of the P ...
Page 60
... characteristics . The intermediacy of P. albidum between P. gracile and P. carneum on all characteristics suggests that P. albidum is possibly of hybrid origin . Support for this hypothesis also is found in the habitat occupied by P ...
... characteristics . The intermediacy of P. albidum between P. gracile and P. carneum on all characteristics suggests that P. albidum is possibly of hybrid origin . Support for this hypothesis also is found in the habitat occupied by P ...
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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