production of high yielding hybrid cultivars is among the main objectives of breeding programs in sunflower and on evaluation of the combining ability of the inbred lines necessary to select for the appropriate parental lines for production of hybrid cultivars. this study was conducted to investigate the general and specific combining ability and the mode of inheritance for agronomic and seed q...

that some of the inbreds continued to contribute substantially to hybrids marketed in the USA. For example, Historically important public inbred lines continue to play an imB73 and Mo17 were used in about 28% of all seed portant role in maize (Zea mays L.) improvement in many different breeding programs. Their continued use means they have undergone planted in the USA in 1979. This fell to 12.8...

High temperature reduces the pollen viability and silk receptivity of corn resulting in poor seed set and reduced yield. Continuously increasing temperature and less frequency and distribution of rainfall coupled with usual canal–closure particularly in Pakistan have significantly been decreasing the grain yield. This problem could be overcome by developing heat tolerant maize hybrids. For this...

It is estimated that more than 95% of organic agriculture based on crop cultivars were bred for the conventional high-input sector. Most selections made through breeding programs and lack important traits required under low-input conditions. Hybrids are most common type used in tomato because heterosis. In tomato, continuous selfing enabled homozygosity to exploit favorable additive genes, resu...

The wheat Green Revolution Rht-B1b and Rht-D1b dwarfing alleles are associated with increased grain yields but also reduced early growth seedling emergence, especially if sowing conditions unfavourable. gibberellic acid-responsive, mutagen-derived Rht18 gene was backcrossed from durum (Triticum turgidum subsp. L.) cv. Icaro into tall bread aestivum Halberd using phenotypic selection for plant h...

Abstract Late leaf spot (LLS) disease is an omnipresent peanut ( Arachis hypogaea L.) foliar that causes significant yield loss. Integrating host resistance to reduce loss and management costs from this highly desirable. In addition resistance, market demand for high‐oleic on the rise due its improved oxidative stability health benefits. Previously, a recombinant inbred population Florida‐07 × ...