ineffective, whereas in the case of the freesia ( Freesia ), lily ( Lilium ), and tulip ( Tulipa ) species, it has a positive effect in controlling the height of the marketable plant ( De Hertogh and Le Nard, 1993 ). The objective of this study was to
recorded for important traits; statistical analysis indicated significant differences ( P < 0.001) between diploid and tetraploid plants with regard to morphological characteristics. Compared with the diploid plants, the height of the tetraploid plants was
practices to produce crops of uniform size and quality with height tolerances dictated by both marketing and shipping factors ( Fisher et al. 1996 ). Stem height often can be controlled by pinching, cultural practices, or plant growth regulators (PGRs
dolomitic limestone. Plants were pruned to 8 cm in height 7 d after planting (DAP). Plants were fertilized with 15N–3.9P–10K controlled-release fertilizer (8- to 9-month formulation at 21 °C, Osmocote Plus; Scotts Miracle-Grow, Marysville, OH) applied as a
encompassed several parameters. Plant width (cm) was measured at the widest area of the plant. Plant height (cm) was measured from the base of the stem starting at ground level to the highest point of the plant. Height to bifurcation (cm) was measured as the
contributed to improved mechanical harvest efficiency; however, additional research was needed to identify the most important determinants of mechanical harvest quality/efficiency, such as plant height, plant width, number of basal branches, basal stem
and at control (CO 2 ) [ambient (CO 2 ), 380 ± 40 μmol·mol −1 CO 2 ]. Samples were collected at the time of the transfer to the climate chamber and every 4 d of treatment up to 18 d. The plant height, number of leaves, and gas exchange parameters were
collection. Data were collected on bud/flower diameter (potted plants only), days to flower (potted plants only), plant height and canopy diameter at the end of production, leaf color at the end of simulated shipping, days to first and second wilt during
precipitation were 32.9 ± 0.3 / 21.7 ± 0.3 °C and 3.5 ± 1.0 mm, respectively (Office of the Texas State Climatologist) during this growth period. Plant growth parameters. Height, diameter, and shoot, root, and total plant DM measurements were recorded
during both years. Selection EX3 results for canopy height are less relevant, as it was not planted until year 2 at Quincy. Table 5. Maximum average height and canopy uniformity (height variability) of Arachis glabrata selections in sun and shade at the