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Timothy K. Hartz and Thomas G. Bottoms

of soil structure ( Piccolo and Mbagwu, 1990 ) and increased cation exchange ( Allison, 1973 ). Root growth enhancement has been attributed to improved soil structure, stimulation of soil microflora, and auxin-like effects ( Chen and Aviad, 1990

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William J. Lamont Jr

systems in the United States HortTechnology 6 172 176 10.21273/HORTTECH.6.3.172 Wells, O.S. 1998 Rowcovers and high tunnels-growth-enhancing technology Proc. Vegetable Production Using Plasticulture Seminar Amer. Soc. Hort. Sci. and Amer. Soc Plasticulture

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Mason T. MacDonald, Rajasekaran R. Lada, Jeff Hoyle, and A. Robin Robinson

results were found by Rajasekaran and Blake (1999) who found that xylem feeding of ABA increased growth, enhanced root growth, sustained photosynthesis, and increased WUE of jack pine seedlings under drought. If it is understood that ABA regulates

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Gladis M. Zinati, John Dighton, and Arend-Jan Both

-promoting bacteria in the inoculum ( Azcon and Ocampo, 1981 ; Garbaye, 1991 ; Pinton et al., 2001 ) could also contribute to the observed growth enhancement of NERS-treated plant. However, our results were in contrast to those by Starrett et al. (2001) , who

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Muhammad Irshad, Hafiz Muhammad Rizwan, Biswojit Debnath, Muhammad Anwar, Min Li, Shuang Liu, Bizhu He, and Dongliang Qiu

) in combination with BA (0.1, 0.5, 1, 1.5, and 2 mg·L −1 ) or TDZ (0.1, 0.5, 1, 1.5, and 2 mg·L −1 ). PGRs and growth enhancer combinations were also prepared; NAA (0.2 and 0.5 mg·L −1 ) were used in combination with BA (0.5 and 1 mg·L −1 ) or TDZ (0

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Gary R. Bachman and James D. Metzger

VC could provide predictable physical properties when blended with other substrate components. Changes in physical properties can result in growth enhancement or inhibition; therefore, additional studies must be conducted to determine optimal mix

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Chenping Xu and Beiquan Mou

lycopersicum ( Colla et al., 2014 ; Parrado et al., 2008 )], radish [ Raphanus sativus ( Liu et al., 2008 )], and lily [ Lilium ( De Lucia and Vecchietti, 2012 )]. The growth enhancement by PHs has been attributed to increased nutrient uptake, assimilation

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M. Lenny Wells

comprised the majority of seedling tree weight after year 1 ( Fig. 3 ). This suggests that although no aboveground growth effects were observed for cultivars in the year of transplant, aldicarb could have affected root growth, enhancing above ground growth

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Mayashree Chinsamy, Manoj G. Kulkarni, and Johannes Van Staden

study clearly demonstrates the growth-enhancing effects of VCL on tomato seedlings under high temperature and water stress conditions. Vermicompost-leachate exhibited better growth performance of tomato seedling under supraoptimal than at suboptimal

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Juan Bernardo Pérez-Hernández and María José Grajal-Martín

artificial conditions have shown competence to successfully develop a branched root system and complete the expansion of new leaves emitted ex vitro ( Fig. 1J ). Consequently, the benefit of agitated liquid incubation on embryo growth, enhanced by addition of