A rating-based conjoint experiment combined with eye-tracking analysis was used to investigate the effect of plant attributes on consumer purchase likelihood for indoor foliage plants. The experiment assessed the effects of plant type (Dracaena marginata Lam., Guzmania lingulata, or Spathiphyllum wallisii Regel), volatile organic compound (VOC) removal capacity (high, low, or none specified), price ($10.98–14.98/plant), production method [certified organic, organic production (not certified), or conventional], and origin (in-state, domestic, or imported) on consumer preferences. An ordered logit model was used to analyze the data. Organic production methods, in-state origin, domestic origin, and high VOC removal increased participants’ purchase likelihood. Visually attending to the highest price point ($14.98) increased consumers’ purchase likelihood. Age, gender, child (<12 years), pet, relationship status, education, and ethnicity affected participants’ purchase likelihood for indoor foliage plants. Purchasing barriers for indoor foliage plants are also discussed. Results have implications for indoor foliage plant growers and retailers as they produce, promote, and sell their products.
Alicia Rihn, Hayk Khachatryan, Benjamin Campbell, Charles Hall, and Bridget Behe
Chao-Yi Lin and Der-Ming Yeh
-deficient conditions with healthy appearance ( Yeh et al., 2000 ). Irregular yellowish areas on the old leaves have been observed on Guzmania lingulata (L.) Mez. ‘Cherry’. These affected plants tend to produce incurved leaves after storage. Yellow spots on old
C.Y. Kuo and D.M. Yeh
Guzmania lingulata (L.) Mez. `Cherry' were grown in coco chips and fertigated with half-strength Hoagland solution containing various concentrations of boric acid. Excessive boron induced changes in growth, relative chlorophyll content, and leaf anatomy were investigated. Plants treated with 5 mg·L–1 or higher boric acid concentration had reduced SPAD-502 readings and Fv/Fm values and increased leaf necrosis in the lower leaves. Boron was distributed unevenly within a leaf, with the maximum concentration in the leaf tip. Increased necrotic length and new leaves with necrosis were evident where average whole leaf boron concentration was higher than 170 μg·g–1 on dry weight basis. More leaf growth and higher transpiration or stomatal conductance were recorded in plants under 40% (average 676 μmol·m–2·s–1 PPF at noon) than 76% (average 270 μmol·m–2·s–1 PPF at noon) shade. Excessive boron was not found to affect epidermal cells or water storage tissue, but caused browning and shriveling of the chlorenchyma cells.
Enoc Barrera-Aguilar, Luis A. Valdez-Aguilar, Ana M. Castillo-González, Andrew D. Cartmill, Donita L. Cartmill, Edilberto Avitia-García, and Luis Ibarra-Jímenez
cell enlargement and leaf expansion ( Fricke et al., 1994 ; Fricke and Flowers, 1998 ; Shabala, 2003 ; Shabala et al., 2000 ). An increase in leaf size in Guzmania lingulata (L.) Mez ( Yi Lin and Ming Yeh, 2008 ), Olea europea L. ( Karimi et al
Richard C. Beeson Jr. and Jianjun Chen
), implying that the roots are capable of taking up water and nutrients. Gas exchange and plant growth of Guzmania lingulata (L.) Mez. fertigated through roots were comparable with those fertigated through tank ( Silva et al., 2017 ). With current commercial