degradation of natural habitats and decreasing of genetic diversity of populus caspica led to vast reduction of its regeneration and growth potential in north of iran. hence, the growth potential of mass-produced seedlings was compared with their parents. for this purpose, the ramets of three selected seedlings from 17 parent trees belonging to north of iran, along with ramets of their parent t...

In chickpea a multi-parent advanced generation intercross (MAGIC) population was developed using eight parents that are improved varieties and widely adaptable breeding lines. The main objective to enhance the genetic diversity bring novel alleles for developing superior varieties. development scheme involved sequence of 28 two-way, 14 four-way 7 eight-way crosses, followed by bulking final F1 ...

polymorphism of the b-lactoglobulin (b-lg) gene in 101 cows belonging to the holstein herd and a superior cow, producing more than 150 kg milk/day, together with four offsprings was investigated by the polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp) method. in the holstein herd, the alleles a and b of the b-lg gene had frequencies of 0.53 and 0.47, respectively. th...

Generation mean analysis was carried out to estimate the nature andmagnitude of gene effects for sugar yield and its component traits in sweet sorghum[Sorghum bicolor (L.) Moench. Six basic generations, namely P1, P2, F1, F2,BC1P1, BC1P2 of four crosses involving seven diverse parents were evaluated inrainy 2009. The mean performance of the F1 in all the crosses indicated dominantgene effect fo...

phytic acid is a major storage form of phosphorous in cereals that acts as food inhibitor by chelating micronutrients and prevents it to be bioavailabe for monogastric animals, including humans. ninety three wheat (triticum aestivum l.) germplasms, including cultivars from india, were characterized for phytic acid and fe contents. phytic acid contents ranged from 0.59 (iitr 92) to 2.08% (iitr 2...

The objective of this study was to assess the ability experimental advanced breeding clones as parental genotypes transmit agronomic and quality traits their progenies in programs. A half diallel set crosses (excluding reciprocals) with six parents assayed field trials for three years; four were Solanumtuberosum subsp. tuberosum cultivars, two them that included genes from S. andigenum immunity...

Design I11 is an experimental design originally proposed by R. E. COMSTOCK and H. F. ROBINSON for estimating genetic variances and the average degree of dominance for quantitative trait loci (QTL) and has recently been extended for mapping QTL. In this paper, we first extend COMSTOCK and ROBINSON’S analysis of variance to include linkage, two-locus epistasis and the use of F3 parents. Then we d...

Impact of hybridization and irradiation in isolation of superior segregants in four crosses of desi cotton were studied and compared between F2 and F2M2 progenies. The F2M2 progenies of four crosses recorded higher per cent of superior segregants compared to F2 progenies for boll number, boll weight and halo length excepting in KS-16 x MB-3200 cross. Out of four F2M2 progenies, RDC-53 x 9747 cr...

Morpho-agronomic and molecular (RAPD and ISSR markers) data were used to evaluate genetic distances between papaya backcross progenies in order to help identify agronomically superior genotypes. Thirty-two papaya progenies were evaluated based on 15 morpho-agronomic characteristics, 20 ISSR and 19 RAPD primers. Manhattan, Jaccard and Gower distances were used to estimate differences based ...

generation mean analysis was carried out to estimate the nature andmagnitude of gene effects for sugar yield and its component traits in sweet sorghum[sorghum bicolor (l.) moench. six basic generations, namely p1, p2, f1, f2,bc1p1, bc1p2 of four crosses involving seven diverse parents were evaluated inrainy 2009. the mean performance of the f1 in all the crosses indicated dominantgene effect fo...