Evaluation of crossability of Cuphea lanceolata and C. viscosissima based on pollen tube growth and seed set

• Autorzy: Wojciechowski A , Olejniczak J , Adamska E
• Języki publikacji: EN

Abstrakty

EN

Many species of Cuphea genus show promise as rich natural sources of valuable seed oils for commercial utility. Among them are C. lanceolata and C. viscosissima which seed oils contain medium-chain fatty acids. Reciprocal crosses were made between these species to assess their usefulness for Cuphea breeding program. The degree of crossability between C. lanceolata and C. viscosissima was determined by pollen grain germination and pollen tube growth observed using fluorescence microscopy in addition to capsule formation and seed number per capsule. Treatment of the pollen grain with a laser microbeam reduced the number of germinated pollen grains, tubes growth in the pistil and seed set when C. viscosissima plants were used in the crosses as a female form. In the cross C. lanceolata (female form) × C. viscosissima the pollen treatment with a laser microbeam improved pollen tube growth but reduced seed set. Crossability evaluated on the basis of pollen tube growth and seed set showed unilateral interspecific incompatibility in crosses involving C. lanceolata plants as a female form.

Słowa kluczowe

EN

pollen tube; fluorescence; Cuphea viscosissima; crossing; seed oil; incompatibility; interspecific hybridization; fatty acid; growth; crossability; Cuphea lanceolata

• Wydawca: -
• Czasopismo: Journal of Applied Genetics
• Rocznik: 1996
• Tom: 37
• Numer: 3
• Opis fizyczny: p.277-284,fig.

Twórcy

autor

Wojciechowski A

• Department of Genetics and Plant Breeding, Agricultural University, ul.Wojska Polskiego 71c, 60-625 Poznan, Poland

autor

Olejniczak J

• Institute of Plant Genetics, Polish Academy of Science, Poznań

autor

Adamska E

• Institute of Plant Genetics, Polish Academy of Science, Poznań

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