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sensor and recorded by the computerized control system (Priva Computers Inc.) in each greenhouse. An enclosed thermistor (Model ST-100; Apogee Instruments, Inc., Logan, UT) inserted horizontally into the center of the substrate was used to measure

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(Apogee SO-110 Soil Response Thermistor Reference Oxygen Sensors; Apogee Instruments, Logan, UT, USA) connected to a data logger and multiplexer (CR1000 and AM16/32b; Campbell Scientific, Logan, UT, USA). Daily average PPSO was determined and used for

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Co., Bourne, MA), WatchDog (Spectrum Technologies, Plainfield, IL), and Apogee line quantum sensors (Apogee Instruments, Logan, UT)] ( Fig. 1 ). Plants were grown in a warm environment (average 25.3 °C day/23.0 °C night) under an average 4.9 mol·m −2

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-aspirated under solar radiation shields (ST-110; Apogee Instruments, Inc., Logan, UT)] and propagation substrate (ST-100; Apogee Instruments, Inc.) temperatures. Quantum sensors (LI-190SL; LI-COR Biosciences) measured PPF under each PDLI treatment. Measurements

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reduced soft scald/soggy breakdown in one experiment, but was not consistent for controlling soft scald/soggy breakdown in ‘Honeycrisp’ ( Watkins et al., 2004 ). Metabolomics has been described as the apogee of the omics trifecta, among transcriptomics and

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monitored with temperature and RH probes (HMP60-L; Campbell Scientific, Logan, UT), and quantum sensors (SQ512; Apogee Instruments Inc., Logan, UT) interfaced to a datalogger (CR1000; Campbell Scientific) and multiplexer (AM16/32B; Campbell Scientific

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–calcium [ProCa; BAS-125W (3-oxido-4propionyl-5-oxo-3-cyclohexene-carboxylate)] sold as Regalis® and Apogee® and developed by BASF (Limburgerhof, Germany) is used on pome fruit trees ( Malus and Pyrus spp.) to reduce and control vegetative growth ( Miller, 2002

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Supplemental lighting treatments. Seedlings were grown under ambient solar light supplemented with 100 μmol·m −2 ·s –1 PPF at plant height [as measured with a spectroradiometer (PS-100; Apogee Instruments, Logan, UT)] from 0600 to 2200 hr , which provided a

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in the greenhouse were monitored using a quantum sensor (SQ110; Apogee Instruments, Logan, UT) and a temperature and relative humidity sensor (HMP50; Vaisala, Woburn, MA) connected to the data logger. These sensors were measured every 20 s and the

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water, and retractable shade curtains controlled by an environmental control system (Maximizer Precision 10; Priva Computers Inc., Vineland Station, ON, Canada). Amplified quantum sensors (SQ-212; Apogee Instruments, Inc., Logan, UT) measured

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