Variability of Grain-Filling Traits in Early Maturing CIMMYT Tropical Maize Inbred Lines

Genetic variation for grain mineral content in tropical-adapted maize inbred lines.

Increasing the concentrations of Fe and Zn in staple food crops through breeding has been proposed as one strategy to minimize the adverse effects of widespread mineral deficiencies in humans. This approach requires the presence of adequate genetic differences in concentrations of grain minerals for improvement. Eight trials involving different sets of tropical maize inbred lines adapted to the...

Karyotype variability in tropical maize sister inbred lines and hybrids compared with KYS standard line

Maize karyotype variability has been extensively investigated. The identification of maize somatic and pachytene chromosomes has improved with the development of fluorescence in situ hybridization (FISH) using tandemly repeated DNA sequences as probes. We identified the somatic chromosomes of sister inbred lines that were derived from a tropical flint maize population (Jac Duro [JD]), and hybri...

Variability among maize inbred lines for seed longevity

بررسی همبستگی و روابط علی خصوصیات کمی در ذرت (Zea mays L.) در شرایط نرمال و تنش گرما

In order to identify the most important traits affecting yield in maize inbred lines and hybrids, an experiment was conducted in Shushtar City in 2009 and 2010 years. Fifteen inbred lines in 2009 and 28 hybrids in 2010 studied in two planting dates, 6 July (to coincide heat stress with pollination time and grain filling) and 27 July (normal condition) using a randomized complete block design wi...

ارزیابی کارایی تسترهای ذرت مناطق معتدله در غربال گری ژرم پلاسم های مناطق حاره ای و نیمه حاره ای

 Maize germplasm from CIMMYT is genetically most diverse in the world and is exceedingly useful for broadening the genetic base of temperate maize germplasm. It is a tough challenge for improving efficiency and reliability of extracting the best suitable material from exotic germplasm. So, this study was done to determine the optimum number of testers and suitable testers for screening a maize ...