Search Results

You are looking at 81 - 90 of 175 items for :

  • impermeability x
Clear All

such as CVd-III. Infection resulting from a pathogen induces changes in the host plant, including reinforcement of the cell wall by the formation of an impermeable deposit ( Rossetti et al., 1980 ), accumulation of low-molecular-weight antifungal

Free access

higher rates in the second experiment. Mechanically scarifying seeds by nicking the seedcoat did not improve germination, suggesting that dormancy is not controlled by the impermeability of the seedcoat. Leaching the seeds after stratification was also

Free access

hairs first appear ( Taiz and Zeiger, 2002 ). Further back from the tip, internal and external suberized cell layers (the endodermis and exodermis, respectively, and later the periderm) are said to make the root relatively impermeable to water ( Purves

Free access

, 2012b ). Fertilizer applied off target onto impermeable surfaces such as driveways and sidewalks is a common source of NPS in the urban landscape ( Arnold and Gibbons, 1996 ). Nitrogen applied in highly soluble forms, such as the inorganic N form urea

Free access

low germination rate and long germination time. It usually takes 2–3 years to overcome the double dormancy of the hard, impermeable seedcoat and immature embryos ( Dirr and Heuser, 2006 ; Hu et al., 1979 ). Pretreatment at room temperature for 2

Free access

to simulate drought stress in vitro ( Pandey and Agarwal, 1998 ). Polyethylene glycol molecules (PEG 6000) are osmotically active, inert, nonionic, and virtually impermeable to plant cells and are frequently used to induce water stress and maintain

Free access

.P. Rouxb, Ph. Gratraudb, J. Scarasciac, G. Castellanoc, S. Dufresne de Vireld, M. Palier, P. 2002 Wind pressures on permeably and impermeably-clad structures J. Wind Eng. Ind. Aerodyn. 90 461 474 10.1016/S0167-6105(01)00210-0 Robertson, A.P. Hoxey, R. Moran

Full access

plastic. The backpack sprayer was calibrated to deliver 0.78 L·min −1 and was equipped with a single flat-fan nozzle (8002VS; Teejet Spraying Systems Co., Glendale Heights, IL) at 35 psi. Beds were covered with virtually impermeable film (Blockade; Berry

Open Access

molecule is roughly 53% nitrogen. All treatments were applied as a liquid, which quickly vaporizes, under 0.32-mm thick, white-on-black, totally impermeable film (Guardian Agricultural Plastics Corporation, Tampa, FL), using shank injection 25 cm below the

Open Access

complete block design. Treatments included MB:Pic 57:43 covered with high-density polyethylene (HDPE), MB:Pic 45:55 covered with totally impermeable film (TIF), and steam. Steam was applied using the Southern Turf Nurseries applicator on 6 Sept. 2018, and

Open Access