▁when ▁F . ▁mos ch ata ▁and ▁F . ▁vir gin iana ▁were ▁plant ed ▁in ▁between ▁rows ▁of ▁F . ▁ch ilo ensis , ▁the ▁Chile an ▁st raw berry ▁would ▁bear ▁abund ant ▁and ▁unus ually ▁large ▁f ruits . ▁So on ▁after , ▁Antoine ▁Nicolas ▁Duch es ne ▁began ▁to ▁study ▁the ▁bre eding ▁of ▁st raw ber ries ▁and ▁made ▁several ▁discover ies ▁cru cial ▁to ▁the ▁science ▁of ▁plant ▁bre eding , ▁such ▁as ▁the ▁sexual ▁reprodu ction ▁of ▁st raw berry ▁which ▁he ▁published ▁in ▁ 1 7 6 6 . ▁Duch es ne ▁discovered ▁that ▁the ▁female ▁F . ▁ch ilo ensis ▁plants ▁could ▁only ▁be ▁pol lin ated ▁by ▁male ▁F . ▁mos ch ata ▁or ▁F . ▁vir gin iana ▁plants . ▁This ▁is ▁when ▁the ▁Europe ans ▁became ▁aware ▁that ▁plants ▁had ▁the ▁ability ▁to ▁produce ▁male - only ▁or ▁female - only ▁flowers . ▁▁ ▁Duch es ne ▁determined ▁F . ▁an an assa ▁to ▁be ▁a ▁hy brid ▁of ▁F . ▁ch ilo ensis ▁and ▁F . ▁vir gin iana . ▁F . ▁an an assa , ▁which ▁produces ▁large ▁f ruits , ▁is ▁so - named ▁because ▁it ▁res emb les ▁the ▁p ine apple ▁in ▁sm ell , ▁taste ▁and ▁ber ry ▁shape . ▁In ▁England , ▁many ▁vari eties ▁of ▁F . ▁an an assa ▁were ▁produced , ▁and ▁they ▁form ▁the ▁basis ▁of ▁modern ▁vari eties ▁of ▁st raw ber ries ▁currently ▁cultiv ated ▁and ▁consum ed