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Makerere University (2015)

VARIABILITY IN PHENOTYPIC TRAITS AND RESISTANCE TO BLAST IN INTERSPECIFIC FINGER MILLET PROGENIES

AKECH VIOLET

Titre : VARIABILITY IN PHENOTYPIC TRAITS AND RESISTANCE TO BLAST IN INTERSPECIFIC FINGER MILLET PROGENIES

Auteur : AKECH VIOLET

Université de soutenance : Makerere University, Kampala, Uganda

Grade : MASTER OF SCIENCE IN PLANT BREEDING AND SEED SYSTEMS 2015

Mots Clés  : Plant Breeding ; phenotypic traits ; finger millet ; phenotypic and genetic diversity

Descriptif
Finger millet (Eleusine coracana (L.)Gaertn.ssp. coracana) is an important food, food security and cash crop in eastern and southern Africa where small-scale farmers grow it in low input farming systems. The crop has food security, nutritional, cultural, medicinal, and economic value with high industrial potential. Use of host plant resistance is the most feasible and economical viable means of managing finger millet blast especially for resource-poor farmers. The purpose of this study was to assess the performance of advance populations derived from three interspecific crosses between finger millet and two wild relatives E. kigeziensis and E. Africana. F3 and F4 progeny deriving from thse interspecific crosses i.e. E. kigeziensis X E. coracana (Pese 1), E. africana X E. coracana (Seremi 1) and E. africana X E. coracana (Seremi 3) were uses. Two studies were conducted (i) on resistance to finger millet blast disease among F3 and F4 under controlled conditions of humid chambers and greenhouse using an aggressive M. grisea isolated obtained from Ngora in Eastern Uganda. The second study focused on variability of phenotypic traits (according to the finger millet descriptors, IPGR 1985) at two sites, Makerere University Agricultural Research Institute, MUARIK (MUARIK) and National Semi-Arid Resources Research Institute (NaSSARI) in NaSAARI. In both studies, experiments were established following the alpha lattice design.

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Page publiée le 28 avril 2018