Heterobeltiosis in white seeded genotypes of maize (Zea mays L.)
نویسندگان
چکیده
منابع مشابه
Maize (Zea mays L.).
Agrobacterium tumefaciens-mediated transformation is an effective method for introducing genes into maize. In this chapter, we describe a detailed protocol for genetic transformation of the maize genotype Hi II. Our starting plant material is immature embryos cocultivated with an Agrobacterium strain carrying a standard binary vector. In addition to step-by-step laboratory transformation proced...
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Heichel and Musgrave (4, 5) reported photosynthetic rates of maize genotypes ranging from 21 to 85 mg CO2 dmhr-' which were inversely associated with similar large differences in CO2 compensation concentration of from 9 to 25 plll. Since genotypic differences of the magnitude reported by Heichel and Musgrave would be of great value in breeding for increased photosynthetic efficiency, we conduct...
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Metabolite levels in kernels of selected starch-deficient mutants of maize (Zea mays L.) were investigated to gain insight into partitioning of carbohydrate metabolism during kernel development. Several free sugars, hexose phosphates, triose phosphates, fructose-2,6-bisphosphate, and pyrophosphate were measured in normal, shrunken, shrunken-2, amylose extender dull waxy, and brittle genotypes, ...
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Incessant rise in ambient temperature is threatening sustainability of maize productions, worldwide. Breeding heat resilient synthetics/hybrids is the most economical tool while lack of knowledge of gene action controlling heat and yield relevant traits in maize is hampering progress in this regard. The current study, therefore, was conducted using analyses of generation mean and variance, and ...
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ISHER (1918) provided a framework for the characterization of genotypic variance whereby he partitioned it into three components: ( 1 ) a portion associated with the average effects of genes, (2) a portion associated with dominance effects (allelic interactions) of genes, and (3) a portion associated with epistatic effects (nonallelic interactions) of genes. A logical method for the further sub...
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ژورنال
عنوان ژورنال: INTERNATIONAL JOURNAL OF PLANT SCIENCES
سال: 2016
ISSN: 0973-1547,0976-593X
DOI: 10.15740/has/ijps/11.1/1-7