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Performance of New Lines from Anther Culture, mutation Breeding and Interspecific Crosses, under Lowland and Irrigated Condition in mali

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Journal of Food Science and Engineering 2020年第1期10卷 11-23页

作者： Fousseyni Cisse Jean R.Sangare medoune P.Khouma Kang Kyung Ho baboucarr m.nneh Institut d’Economie Rurale B.P.258Rue Mohamed VBamakoMali AfricaRice Senegal Regional Center B.P.96Saint-LouisSénégal

Rice productivity is still low in mali due to many factors such biotic and abiotic stresses,and the immense rice-growing potential is *** is a need to enhance rice productivity through a development of new varieties more productive and *** the partnership between the Institute of Rural Economy,AfricaRice and Korea-Africa Food and Agriculture Cooperation Initiative(KAFACI)nine new lines selected among 300 fixed lines were evaluated in 8 sites under irrigated and lowland *** plant material included 4 KAFACI lines derived from Anther culture(series K),2 lines from interspecific crosses(series DKA),one line(DKA-m50)from induced mutation on wild rice(Oryza longistaminata),and other lines from simple *** objective of the study is to identify genotypes adapted to irrigated,or lowland and/or both *** of variance revealed the genotypes differed significantly(pments except Kadiolo,Longorola and manikoura,which implies that the geno types constitute a pool of germplasm with adequate genetic *** was high with 0.76 suggesting high component of heritable portion,therefore selection for the improvement for this trait can be achieved directly based on their phenotypic *** combined analysis of variance indicated significant effects of environment(pment interaction(GEI)(pment interaction suggests that genotypes behaved differently in different environment and demonstrated that GEI had remarkable effect on genotypic performance in different *** highest environment mean grain yield was observed in San(5,197 kg/ha),followed by Baguineda(4,960 kg/ha).The genotype SIK 442-2-2 was identified as genotype adapted to wider environments,and hereby recommended for cultivation in *** rice derivative genotypes DKA 42,DKA-m50 and DKA 37 exhibited low yield and h

关键词： Adaptability rice stability yield

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