592
PROBLEM Solution trait TRI PAR RET Asimma species1 LON OBO
INC PYG TET
DELAYED BEARING Precocity X2 X X X X X X
POOR YIELDS
More floriferous X X X X X X X X3
Higher pollination rate X X X
Self-compatibility X
'Dwarf internode' trait X
Resists T. plummeriana X3
HARVESTING COSTS
Dwarf stature no X X X X! X X X
Better fruit visibility
horizontal leaves X X X X X X X
higher skin color X X
late ripening fruit X X3
SEEDINESS OF FRUIT
Fewer seeds per fruit X X X X X X X
Smaller seeds X X X X X X no
Lower seed: fruit ratio X no no no no no no
FRUIT FRAGILITY
Thicker, harder skin X X X X! X X! X
Firmer flesh X
FRUIT PERISHABILITY
Reduced metabolism X
Ability to be picked at earlier ripeness X
Table 5. Potential sources of germplasm for solving problems of genetic significance in Asimina triloba.