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also increase. Many in-row pollenizer cultivars have varying degrees of reduced foliage, which is intended to cause less competitive impact on adjacent triploid plants. This is important because previous studies on watermelon competition with weed

var. atropurpurea ) have purple foliage, whereas feral barberry have green leaves and plants resemble the species, B. thunbergii , which is rarely found in cultivation today. Japanese barberry bans in Massachusetts ( Anonymous, 2005 ) and New

al., 2011 ). House plants also fulfill psychological needs of people by providing green color and comfort and enhance the indoor environment to make it more aesthetically pleasing ( Bringslimark et al., 2007 ). Foliage plants are often used as house

was visually estimated by looking at a plant profile and determining the amount of light that was blocked by the foliage. Fullness ranks were based on percentage of the canopy that was filled with leaves using a 1 to 5 scale (1 ≤ 20%, 2 = 21% to 40%, 3

. are important ornamental foliage plants ( Chen et al., 2005 ). It is estimated that nearly 60 million potted bromeliad plants are sold annually worldwide, of which 60% are Guzmania ( Vanhoutte et al., 2016 ) and 15% are Vriesea cultivars

Greenhouse production of floricultural and foliage plants in the United States is in the mature stage of its industry life cycle and increasingly hypercompetitive, with growers experiencing low profit margins despite having to incur substantial

( Bergstrand and Schüssler, 2012 ; Islam et al., 2012 ; Schamp et al., 2012 ; Terfa et al., 2013 ; Werner et al., 2011 ). In addition, several studies have reported increased anthocyanins or enhanced foliage color when plants were grown under LED arrays

Increased red foliage pigmentation is one of the primary symptoms associated with phosphorus deficiency. This pigmentation typically is attributed to foliar anthocyanins, a common source of red pigments found in plants ( Sarker and Karmoker, 2011

Hameln and Moudry ( Lucas, 2011 ). Fig. 1. Natural area completely invaded by fountain grass and the site of the experiment described in this article. Plants have slightly darker foliage and darker inflorescence than the straight species, and they

material, growers need production guidelines for irradiance, temperature, and nutrition regimes, as well as growth control. The majority of tropical foliage plants are produced for use indoors. Generally, photosynthetic photon flux ( PPF ) in postharvest