Lathyrus × hammettii

Lathyrus × hammettii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Lathyrus
Species:
L. × hammettii
Binomial name
Lathyrus × hammettii
Dawn Edwards

Lathyrus × hammettii is a hybrid flowering plant within the genus Lathyrus and family Fabaceae. The hybrid was produced by artificially hybridizing L. odoratus with L. belinensis.[1]

History

The hybridization of these two species was first attempted by plant breeder Dr Keith Hammett, using the sweet pea cultivar Lathyrus odoratus 'Orange Dragon', L. belinensis and embryo rescue techniques.[2] The hybrid was attempted in hopes of producing a yellow sweet pea, which plant breeders have been attempting to create for decades.[3][4] The F1 hybrid offspring produced from the cross were self sterile and possessed pink flowers.[3] Multiple non yellow cultivars of Lathyrus × hammettii have been produced descending from those plants.[3]

Mildew resistance

Lathyrus belinensis possesses genetics that exhibit mildew resistance.[5] L. odoratus is susceptible to mildew.[6] Hybrids produced between the two species were found to be resistant to the fungus Erysiphe pisi, which causes mildew in sweet peas.[7]

References

  1. ^ "Lathyrus × hammettii". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 September 2024.
  2. ^ Hammett, K. R. W.; Murray, B. G.; Markham, Kenneth R.; Hallett, I. C. (1994). "Interspecific Hybridization between Lathyrus odoratus and L. belinensis". International Journal of Plant Sciences. 155 (6): 763–771. doi:10.1086/297216. JSTOR 2475337. Archived from the original on 2024-07-16. Retrieved 2024-09-03.
  3. ^ a b c Edwards, Dawn (2014). "Developing a yellow sweet pea" (PDF). www.drkeithhammett.co.nz. Archived (PDF) from the original on 2022-01-26. Retrieved 2022-04-17.
  4. ^ Rice, Graham (2021-09-30). "A yellow sweet pea at last?". Royal Horticultural Society. Archived from the original on 2024-01-27. Retrieved 2024-09-03.
  5. ^ Poulter, Taiaroa, R.T.M., G. (2009). "Lathyrus belinensis from Turkey carries a mildew resistance allele that can be introgressed into Lathyrus odoratus". www.researchgate.net. Retrieved 2022-04-17.{{cite web}}: CS1 maint: multiple names: authors list (link)
  6. ^ Goswami, Ojha, Jamaluddin, M.S., B.M. (2004). Fungi of India 1989-2001. Scientific Publishers. p. 54. ISBN 9789387893009.{{cite book}}: CS1 maint: multiple names: authors list (link)
  7. ^ Poulter, Harvey, Burritt, Russell, Lisa, David (2003). "Qualitative resistance to powdery mildew in hybrid sweet peas". www.researchgate.net. Retrieved 2022-04-17.{{cite web}}: CS1 maint: multiple names: authors list (link)