Search Results

You are looking at 21 - 30 of 312 items for :

  • "spray application" x
  • Refine by Access: All x
Clear All
Open access

Liming Chen, Matthew Wallhead, Michael Reding, Leona Horst, and Heping Zhu

, ‘Sterling’ silver linden ( Tilia tomentosa ) and northern red oak ( Quercus rubra ), Zhu et al. (2017) found no difference in spray deposition and coverage on the trees between intelligent variable-rate and conventional constant-rate spray applications

Free access

Susan M. Hawkins, John M. Ruter, and Carol D. Robacker

so that we could accurately assess the effectiveness of each. Treatments were applied to 10 D. rotundifolia and seven T. fothergillae × pilosa plants per treatment. Plants treated by spray application were sprayed with paclobutrazol to minimal

Free access

Dieter Foqué, Jan G. Pieters, and David Nuyttens

. Materials and Methods Spray application techniques and parameters. In total, six applications were made using various application techniques and parameters ( Table 1 ). Table 1. Spray application techniques and parameters for the six trials. As a result of

Open access

Syuan-You Lin and Shinsuke Agehara

. 2, treatments comprised four spray application rates of GA 3 (0, 25, 99, and 198 g·ha −1 a.i. or 0, 27, 106, and 212 mg·L −1 a.i.). There were five replicated plots for each treatment that were arranged in a randomized complete block design. All

Full access

Amir Rezazadeh, Richard L. Harkess, and Guihong Bi

forms of GA and reducing translocation of GA to actively growing tissues ( Rademacher, 1991 ). Whipker and Dasoju (1998) reported that spray application of daminozide at 4000 to 8000 ppm resulted in marketable size potted sunflower ( Helianthus annuus

Open access

Liming Chen, Heping Zhu, Leona Horst, Matthew Wallhead, Michael Reding, and Amy Fulcher

., 2017 ). During intelligent spray applications, the automatic control function was active through the switch box. Tree canopy presence, size, shape, leaf density, and sprayer ground speed were sensed and used to calculate and apply the appropriate amount

Open access

Devin L. Radosevich, Raymond A. Cloyd, and Nathan J. Herrick

were 22 to 24 °C, relative humidity between 60% and 70%, and natural daylight. All insecticide treatments were mixed in 946 mL of tap water, and spray applications were performed for all cut flowers using a 946-mL plastic spray bottle (Spraymaster

Open access

Lloyd L. Nackley, Brent Warneke, Lauren Fessler, Jay W. Pscheidt, David Lockwood, Wesley C. Wright, Xiaocun Sun, and Amy Fulcher

Pesticide spray applications must adapt to seasonal plant growth to minimize off-target losses of agricultural chemicals and reduce environmental and human health hazards. The canopies of perennial crops change over the season as buds burst

Open access

Gunbharpur Singh Gill and Juang Horng Chong

methods of the same insecticides at 28 to 56 DAT, except for cyclaniliprole at 28 DAT, pymetrozine at 35 DAT, and spirotetramat at 42 DAT ( Table 2 ). Spray application of cyclaniliprole at 28 DAT, pymetrozine at 35 DAT, and spirotetramat at 42 DAT was

Full access

Nicole L. Waterland, John J. Finer, and Michelle L. Jones

.05% surfactant (CapSil; Aquatrols, Cherry Hill, NJ). Spray applications were performed with a backpack sprayer (Regulator Bak-Pak; H.D. Hudson, Chicago, IL). Half of the plants from each ABA treatment had water withheld (drought-stressed) and the other half were