Identification, phenological investigation and forage yeild evaluation of some annual Medicago species in Fars province

Document Type : Research Paper

Authors

Agriculture and Resources Research center of Fars province.

Abstract

to determine distribution, of Medicago during the years of 2000 and 2001, different parts of the Fars province in Iran were visited and 60 habitats of various species of Medicage were collected. For identification of the species, plant samples were collected from all habitats and finally 11 species were identified. Out of the, 9 species including M. minima, M. polymorpha,
M. coronata, M. laciniata, M. scutellata,
M. rigidula, M. orbicularis,
M. intertexta
and M. radiata were annual medics and 2 species including
M. lupulina and M. sativa were perennial. In order to determine the yield of species, seeds of 5 species were planted in the field. This experiment was carried out in a complete blocks design with four replications. Yield compared in the end of vegetative and the middle of flowering phases showed that there were significant differences between fresh and dry weight of the species. For example the fresh forage yield in M. polymorph, M., scintillate and M. orbicular is from 30, to 4 grams per plant in the end of vegetative 58, to 32 grams per plant in the middle of flowering phase, respectively. The result showed 49, 87 and 87.5 percent increase in forage yield.

Keywords


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