Sign up for email alerts of new Fluid Journal issues!
Fluid Journal : Fluid Journal 1996-1998
3 Fluid Journal Winter 1998 Figure 2. Relationship between fruit plant and water supply/plant during fruiting, Krieg, Texas Tech University, 1994-1996. Figure 3. Relationship between individual plant productivity (lint/plant) and lint yield on a land area basis, Krieg, Texas Tech University, 1994-1996. components that are highly interactive, namely plant population and boils per plant. A strong exponentially declining relationship exists between boils/plant and plant population with the magnitude of the response being strongly affected by water supply (Figure 1). Within each water supply each plant was capable of supporting a certain fruit load determined largely by the temperature regime. As plant density increased within the water and temperature regime, individual plant production declined. Total production of fruit on a land area basis initially increased as population density increased, then plateaued across a range of plant densities, and finally declined as density continued to increase. The population at which lint yield/A plateaued was dependent upon water supply and growing season length. Analyses of yield components relative to water supply revealed that water supply from floral bud initiation (square initiation) through peak flowering period (peak bloom) was most strongly correlated with yield per acre (Table 2). Boll number and lint per boil were strongly correlated with water supply from square initiation to first flower. During this development period, essentially every floral site is initiated that will ever make it to a harvestable fruit under temperature conditions normally prevailing on the Texas High Plains. Water supply from flower to peak bloom results in a strong correlation with bolls/A, reflecting the effect on boll retention. It is apparent that water supply from square initiation to first flower affects number and boll size; and water supply from first flower to peak bloom affects fruit retention, therefore boll number. Water supply from peak bloom to maturity has a negative correlation
Fluid Journal 1993-1995
Fluid Journal 1999-2001