A simple method to estimate harvest index in grain crops armen r kemaniana, index (hi) of grain crops based on fractional post-anthesis phase growth (f for sorghum, both linear and linear-plateau models ﬁtted data reasonably. Elevated atmospheric carbon dioxide effects on sorghum and soybean nutrient status 1 d w reeves soybean was at full bloom-early pod set and sorghum was at anthesis at this time these growth stages are considered standards for evaluating the nutrient status of. A review of sorghum grain mold ga forbes 1, r bandyopadhyay 2, and g garcia 3 plant at anytime between anthesis and harvest in the other, only a few fungi infecting and colonizing spikelet tissues prior to grain maturity are involved. Sweet sorghum belongs to the sorghum bicolor l moench species (harlan & de wet 1987) before anthesis, sugar accumulation in the stem university of pretoria etd 6 becomes the preferential sink at the expense of growth of apical internodes. Anthesis booting e merging flag leaf floral initiation -leaf -leaf e mergence seed soil fig growth stages of a 90-day-old sorghum plant (after: m u sorghum has the ability to remain in a virtually dormant stage and resume growth as soon as conditions become favourable. Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns leaf number per culm and area per leaf are determinants of green leaf area at anthesis (glaa) of sorghum.
Morphological development in sorghum grain c w glennie nvd w liedenberg h j van tonder follow this and additional works at: post-anthesis in sorghum was found to be a. Sorghum grain yield under water stress 12679 genetis and moleular researh 14 4: 1267512683 2015 funpecrp wwwfunerombr reductions in sorghum grain yield due to drought stress before anthesis are related to. Anthesis, pollination, and fertilization in sorghum • by j c stephens, assistant agronomist, division of forage crops and diseases bureau of plant industryy united states department of agriculture, and j r quinby, superintendent, substation no 12, texas agricultural experiment station. 20 ismn 46, 2005 before anthesis may be related to rapid anther dehiscence a relationship between mean minimum temperatures 5-9 days before anthesis and pollen production also exists.
Canadian journal of plant science vol 69 agronomy section drought stress effects on the grain yield and panicle (1983) found that anthesis was accelerated in sorghum by previous drought, and the length of the grain filling period was not affected. Restricting pre-anthesis water use is an important adaptation mechanism to post-anthesis drought stress of sorghum the aim of this paper was to identify crop physiological processes associated with known differences in drought adaptation among a range of sorghum hybrids plants were grown in large containers in five semi-controlled experiments. Drought adaptation of stay-green sorghum is associated with canopy development, leaf anatomy, root growth, and water uptake andrew k borrell the stay-green trait enhances grain yield in sorghum under post-anthesis drought (a.
The objectives of this study were to compare the percent seed set, days to 50% anthesis, and forage yield of al and a3 sorghum sudangrass.
The sorghum improvement program at purdue university is very sorghum breeding and genetics we report on the results of tests that show the potential utility of chemical desiccants in simulating post-anthesis drought effects in sorghum as aid in phenotyping for potential. Osmotic adjustment and sorghum grain yield i table 1maximum osmotic adjustment in the present experiment when water stress occurred prior to anthesis, and in a previous experiment. Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns (sorghum bicolor) on canopy development, water use and grain yield under post-anthesis drought.
Genetic parameters for sorghum varieties in different population densities kareema mohamad wuhaib, banan hassan hadi mean of days to 50% anthesis for sorghum varieties in different population densities in spring season 2013 spring season varieties. Water stress at anthesis is the major cause of yield reduction or crop failure in grain sorghum [sorghum bicolor (l) moench] in central queensland rainfall is difficult to predict and it is impractical to substantially alter the timing and amount of water stored in the soil, so we focussed on. In maize, a highly compressed phase of anthesis exists, whereas spikelets on rice and sorghum may achieve anthesis over a period of a week or more air temperatures 36 °c cause pollen to lose viability in corn and in postblooming reduce grain yield in soybean. Effect of temperature and relative humidity on sorghum ergot development in northern mexico n montes-garcíaa,d at anthesis initiation sorghum hybrids. Post-anthesis nitrate uptake is critical to yield and grain protein content in sorghum bicolor. Hybrid sorghum seed production, breeding and research richardson seeds vega facility 3095 county rd 26 pps in sorghum also gives the grower more flexibility in harvest days to 50% anthesis 125-180 (pps) harvested grain tannin n/a. Discarded before anthesis apart from off-types, pollen shedders can be a problem in a-lines (a pollen shedder is a male-fertile plant in an a-line that results either from a seed of the b-line harvested from the and breeder seed production in sorghum.