Two field trials were conducted during the 2012 cropping season at the Fruits and Vegetable Teaching and Research Farm of the Department of Crop Science, Usman Danfodiyo University, Sokoto (located on latitude14∘N-15∘N and longitude4∘-5∘), to evaluate the effect of priming duration on the growth and yield of amaranth. Treatments consisted of four priming durations (2, 4, 6, and 8 hours) and control (where no priming was applied). The treatments were laid out in a completely randomized design (CRD) replicated three times for the germination test and randomized complete block design (RCBD) for the field trial. Data were collected on days to 50% germination, percentage germination, days to 50% emergence, and percentage emergence. Results revealed significant effect of priming duration on days to 50% germination, percentage germination, and days to 50% emergence. Soaking seeds for 2 hours reduced the number of days to 50% germination and emergence and also recorded higher germination. Thus, from the findings of this study, it could be concluded that priming amaranth seeds for 2 hours could be applied to enhance amaranth production.
In this paper, the unsteady MHD Couette flow through a porous medium of a viscous incompressible fluid bounded by two parallel porous plates under the influence of thermal radiation and chemical reaction is investigated. A uniform suction and injection are applied perpendicular to the plates while the fluid motion is subjected to the constant pressure gradient. The transformed conservation equations are solved analytically subject to physically appropriate boundary conditions by using the Eigenfunction expansion technique. The influence of some emerging non-dimensional parameters namely, pressure gradient, suction parameter, radiation parameter, and Hartman number are examined in detail. It is observed that the primary velocity is increased with increasing pressure gradient while the increase in radiation parameter leads to adecrease in the thermal profile of the flow.
Two field trials were conducted during the 2012 cropping season at the Fruits and Vegetable Teaching and ResearchFarm of the Department of Crop Science, Usmanu Danfodiyo University Sokoto, to evaluate the effect of priming concentration on the growth and yield of Amaranth. Treatments consisted of four priming concentrations (0%, 0.5%, 1% and 2% KNO 3 ).The treatments were laid out in a completely randomized design(CRD) replicated three times for the germination test and randomized complete block design (RCBD) for the field trial. Data were collected on days to 50% germination, percentage germination, days to 50% emergence, percentage emergence and fresh weight. Results showed significant effect of priming concentration on days to 50% germination, percentage emergence and days to 50% emergence. Soaking seeds in 0.5% KNO 3 reduced the number of days to 50% germination and emergence and also recorded higher percentage germination. Thus, it could be concluded that amaranth seeds should be primed with 0.5% KNO 3 solution for faster and higher seed germination of the crop.
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