Which Peppers Will Cross-Pollinate?

taba(z5b MO)

Crossability Matrix of Capsicum Species

This table shows the end results possible with various crosses of different pepper species.

F
L
O
W
E
R
Male Parent
Female Parent          
baccatum praetermissum frutescens chinense annuum galapagoense chacoense tovarii pubescens eximium cardenasii

W
H
I
T
E

baccatum  HF PF NG NG  NG NG  —
praetermissum  PF HF IV  IV PF
frutescens  NG HF PF  NG  — —  
chinense  NG NG PF HF  PF NG —  
annuum  NG IV PF PF  HF IV IV
galapagoense  NG IV  NG HF EC
chacoense  IV IV NG  NG HF —  
P
U
R
P
L
E
tovarii NG I IV EC IV HF NG
pubescens IV IV EC IV IV HF HF NG
eximium NG PF NG IV IV IV NG HF HF HF
cardenasii NG IV NG IV IV HF HF HF


NG = F1 hybrids germinate normally
EC = F1 hybrids raised by embryo culture
IV = fruits/seeds set, but F1 seeds inviable
PF = F1 hybrids partially fertile
HF = F1 hybrids highly fertile
— = no data, or perhaps "does not cross" (original publication does not specify)

(Reproduced from Figure 3, Genetic Resources of Capsicum,
International Board for Plant Genetic Resources, 1983 [Crop Genetic Resources Centre, Plant Production and Protection Division, Food and Agriculture Organization of the United Nations])

Thanks to NorthEast_ChileMan (Paul) for contributing this information.

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