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Youbin Zheng, Linping Wang, Diane Feliciano Cayanan and Mike Dixon

seedlings were 4 weeks old. Copper treatment. The experiment was a randomized complete block design with three blocks. There were five treatments [0.05 (control), 0.55, 1.05, 1.55, and 2.05 mg·L −1 Cu 2+ concentrations] with eight plants per

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Yin-Tung Wang

.f. ( Dufault et al., 1990 ) increased when K was at 375 and 110 to 220 kg·ha −1 , respectively, compared with lower rates. In a greenhouse study, increasing K concentration from 0.25 to 10 meq·L −1 (10 to 390 mg·L −1 ) in the recirculating nutrient solution

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Nguyen Phuc Huy, Vu Quoc Luan, Le Kim Cuong, Nguyen Ba Nam, Hoang Thanh Tung, Vu Thi Hien, Dung Tien Le, Kee Yoeup Paek and Duong Tan Nhut

cultured on Schenk and Hildebrandt (SH) medium ( Schenk and Hildebrandt, 1972 ) containing 30 g·L −1 sucrose (medium A) supplemented with 2,4-D (0.3–1.0 mg·L −1 ) with or without TDZ at different concentrations (0.5–1.0 mg·L −1 ). Cotton wool plugs were

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Jacob H. Shreckhise, James S. Owen Jr. and Alex X. Niemiera

liquid-fed Rhododendron L. ‘Karen’ in a substrate comprising one composted pine bark: one Sphagnum peat: one rice hulls (by volume), increased PUE from ≈15% to 49% without decreasing SDW by reducing P fertilizer from 25 to 5 mg per week. Owen et al

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P. Chris Wilson and Joseph P. Albano

and undesirable changes to natural ecosystems due to eutrophication ( Carpenter, 2005 ; Fisher et al., 2006 ; Hart et al., 2004 ; Howarth and Marino, 2006 ; Livingston, 2007 ; Mitsch et al., 2001 ). Nitrogen concentrations greater than 0.4 mg·L −1

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Jongtae Lee, Byeonggyu Min, Heedae Kim, Juyeon Kim, Young-Seok Kwon and George E. Boyhan

relatively high income that can be earned growing onions compared with grain crops or other bare ground vegetables. Onions have been harvested on 26,418 ha, producing 1.52 million Mega grams (Mg) ( Statistics Korea, 2018 ). Onion yield in Korea is the highest

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Chang-Tsern Chen, Ching-Lung Lee and Der-Ming Yeh

objectives of this study were to measure growth and photosynthesis of Eustoma under N, P, K, Ca, or Mg deficiency in a nutrient solution. We also investigated nutrient deficiency on visual deficiency symptoms and shoot–root ratios, which are important

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June Liu, Zhimin Yang, Weiling Li, Jingjin Yu and Bingru Huang

-culture medium ( Murashige and Skoog, 1962 ). The medium included the following ingredients: 1900 mg·L −1 KNO 3 , 1650 mg·L −1 NH 4 NO 3 , 170 mg·L −1 KH 2 PO 4 , 370 mg·L −1 Mg.SO 4 ·7H 2 O, 440 mg·L −1 CaCl 2 ·2H 2 O, 0.83 mg·L −1 KI, 6.2 mg·L −1 H 3 BO

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Iftikhar Ahmad, Brian E. Whipker and John M. Dole

® 10XC; Fine Americas Inc., Walnut Creek, CA) providing 0, 1.0, 2.0, and 4.0 mg a.i. per pot for sunflower, and 60 mL providing 0, 0.5, 1.0, and 2.0 mg a.i. per pot for zinnia. After PGR application, plants were grown to marketing stage, irrigated, and

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Ze Li, Xiaofeng Tan, Zhiming Liu, Qing Lin, Lin Zhang, Jun Yuan, Yanling Zeng and Lingli Wu

cotyledonary nodes, hypocotyls, and radicle explants were excised from 21-day-old in vitro seedlings and transferred to 1/2 MS medium containing 3% sucrose and 0.65% agar supplemented with BA (0, 1.0, 2.0, and 3.0 mg·L −1 ) and IAA (0, 0.1, and 0.5 mg·L −1