.05 level. Results Photosynthetic rate. Drought reduced Pn. Soil drench plus foliar application of B18-0074 and B18-0075 improved Pn at days 7, 14, and 21 ( Table 1 ). Foliar application of the two products also improved Pn at days 14 and 21. The B18
separated by a minimum of one guard tree to decrease the risk of spray drift. Rates were applied as follows, 1) 0 ppm (control), 2) 150 ppm metamitron, 3) 300 ppm metamitron, and 4) 600 ppm metamitron. Two application timings were evaluated on separate trees
-less products. Both conventional and organic growers are interested in the types and application rates of approved Si materials that can adequately address disease problems. Acquiring naturally derived and approved organic sources of Si for organic production
1.46 L·ha −1 to provide insect control for the first 30 d after application. Diseases and insects were controlled by spraying recommended rates of esfenvalerate (Asana XL; E.I. du Pont de Nemours, Wilmington, DE), chlorothalonil (Bravo WeatherStik
(fourth and eighth day). Vertical bars indicate mean ± se (n = 5–7). Net CO 2 assimilation rate measured before treatment applications was 20.5 μmol·m −2 ·s −1 , (not shown) and after 24 h of withholding water it stayed in the range of 17.7 to
high rate (561 L·ha −1 ) under VIF for 22 d. Four weeks after fumigation application, there were differences in fumigant retention level between treatments; however, they were negligible at such low concentrations. The VIF treatment (561 L·ha −1
rewatering ( Table 1 ). Biosolids application at 1× N rate improved RWC compared with the control as measured during drought stress (4, 10, and 16 July). Biosolids application at 1× N rate and 0.5× N rate also reduced leaf wilting relative to the control
hydrolysate (Neptune’s Harvest, Gloucester, MA) with 2N–1.72P–0.83K diluted at each application to get the exact N concentration for different rates (except for the control). This resulted in ranges of 27 to 387 mg·L −1 P and 13 to 123 mg·L −1 K ( Table 2
broadcast over the designated landscape bed with a modified leaf blower, making the application rate potentially variable because inconsistent placement of the granules is likely. It is possible that the inconsistent plant response to flurprimidol is the
nutrient solution application timing and nigari on g S , LVPD, and leaf photosynthetic rate of soilless greenhouse-grown sweet pepper plants. Materials and Methods Experimental site, plant materials, and growing conditions. A greenhouse experiment was