Read the importance of the anthesis-silking interval in breeding for drought tolerance in tropical maize, field crops research on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. For anthesis-to—silking interval and other traits associated with timing of flowering events, ear and kernel components of yield, and grain yield. Welcome to maizegdb maizegdb is a community-oriented, long-term, federally funded informatics service to researchers focused on the crop plant and model organism zea mays project. Review article molecular and physiological approaches to area of adaptation asi, anthesis to silking interval is, intermediate water stress mas, marker. In maize, it increases anthesis to silking interval in addition, with the help of functional analyses it has been determined that mirnas play essential role in plant resistance to abiotic as well as biotic stresses [ 22 .
On jan 1, 2000, mark westgate (and others) published the chapter: the role and regulation of the anthesis-silking interval in maize in a book. The importance of the anthesis-silking interval in breeding for drought tolerance in tropical maize chemining'wa g anthesis to silking interval usefulness in. 86 kahiu ngugi et al: anthesis to silking interval usefulness in developing drought tolerant maize jected to anova using genstat-5 computer program.
Crop and pasture science earliness, short anthesis to silking interval and yield based selection indices under intermittent water stress to select for drought. Breeding maize for early maturity and drought tolerance in kenya using anthesis to silking interval a thesis submitted in partial fulfilment of the requirements for. This shorter anthesis silking interval may mitigate the impact of drought stress during pollination read the article at the osu website 1 comment hide comments.
Pdf | maize, the most important stable crop in kenya is affected by drought stress mostly at flowering stages causing delay in silk emergence the anthesis to silking interval (asi) is highly. They measured anthesis-to-silking interval, grain yield, 100-kernel weight, and four ear traits, and carried out association mapping based on 29,619 high-quality snps fifty and 70 snps were strongly associated with tolerance to water stress under stressed and well-watered environments, respectively. You have free access to this content plant, cell & environment volume 31, issue 9, article first published online: 2 jun 2008. Increase in the anthesis-silking interval, which is an important cause of yield failures diverse strategies are used by breeding programs to improve drought tolerance conventional breeding has improved the drought tolerance of temperate maize hy.
Interval, anthesis-silking interval, silking-silk senescence interval of the hybrids have been examined dissecting the pp into four equal parts (percent) as the first earliest, second earliest, third earliest and terminal 25% of the hybrid pp denominated as 25, 50, 75 and 100. Breeding for drought tolerant maize in kenya: selection for anthesis-silking interval (drought escaping) with a long anthesis to silking interval (asi) and. Anthesis — silk interval: an indicator of stress one of the best indicators of how plants respond to stress during flowering is the anthesis — silk interval, asi this measures the time in days between pollen shed and silk emergence. The longer anthesis-silking interval are undesirable for grain yield production as the male and female parents do not synchronize well on the other hand, materials.
Interaction asi, anthesis to silking interval pc1, non-crossover ge interaction silking interval but not significant for plant and ear heights (table 3) the. Anthesis-silking interval by contrast, losses due to drought during plant establishment are relatively low and can, to some extent, be offset by replanting. The anthesis to silking interval (asi) is highly correlated to grain yields under drought stress as shown by experiments conducted at cimmyt, mexico this study aimed at combining both earliness and short asi in one maize genotype.