American Chestnut (Castanea dentata) - A Great American Tree ...

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RR x rr = Rr (F 1 )Rr x rr = Rr and rr (BC 1 )Rr x rr = Rr and rr (BC 2 )Rr x rr = Rr and rr (BC 3 )Rr x Rr = RR, Rr and rr (BC 3 F 1 )RR x RR = RR (BC 3 F 2 )RR x RR = RR (BC 3 F 3 )Proposed genetics of blight resistance:R = Resistance factor (Chinese)r = recessive allele (<strong>American</strong>)
Dr. Hill Craddock with an intercross chestnut near Chattanooga, TN.
Page 1 and 2: American Chestnut (Castanea dentata
Page 3 and 4: Chestnut flowering in early summer
Page 5 and 6: Domain - EukaryaKingdom - PlantaePh
Page 7 and 8: Evolutionary Migration Pathway - Ca
Page 9 and 10: Twigs and Buds,Left - Right:America
Page 12 and 13: Chestnuts make nice shade trees.
Page 14 and 15: Chestnut was a versatile hardwood q
Page 16: AbrahamLincoln“Fence Splitter”
Page 19 and 20: Many good foods can be made with ch
Page 21: Late 1800’s -Blight PandemicBegan
Page 24 and 25: Ridges dominated by chestnut were d
Page 26: Biology of Cryphonectria parasitica
Page 29 and 30: Blight infects trees of all ages an
Page 31 and 32: ForestUnderstoryShenandoahNational
Page 33 and 34: LaMonica TreeMarshal, VirginiaJanua
Page 35 and 36: Evil Tendendencies CancelWill the b
Page 37 and 38: Hypovirus in vitro - Blight Strain
Page 39 and 40: Compatible blight strains:• Anast
Page 41 and 42: Chinesechestnut resistsblight, but
Page 43: TACF‟s BackcrossBreeding ProgramC
Page 47 and 48: Pollination inthe field ofteninvolv
Page 49 and 50: Staminate Catkins - Male Flowers On
Page 51 and 52: Trimming catkinsto leave onlyimmatu
Page 53 and 54: Pink ribbons mark unpollinated chec
Page 55 and 56: Late September - Burs Open
Page 57 and 58: Screening Chestnuts for BlightResis
Page 59 and 60: Inoculation of3 Year OldChestnutsWi
Page 61 and 62: ThorpeWood Tree 50 - Backcross 1Ino
Page 63 and 64: How can you get involved?• Join t

American Chestnut (Castanea dentata) - A Great American Tree ...

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