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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

-elongated ex vitro explants as the source under dark–light cycles for plant regeneration through internode tissue cultures. The results of this study provide a new approach to micropropagation of P. callosum for commercial propagation. Materials and Methods

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Tao Wu and Jiashu Cao

. moschata , we found that the internode and leaf peroxidase activities of bush plants were higher than those of respective vine tissues. The bush root, however, had lower peroxidase activity than its vine counterparts. In our study, because vine plants grew

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Shuguang Wang, Yongpeng Ma, Chengbin Wan, Chungyun Hse, Todd F. Shupe, Yujun Wang, and Changming Wang

in the starch grains (S) and vacuoles; bar = 1 μm. Following the initiation of internode elongation (internode 3 of 0.5-month-old plants), the strong IAA signals were mainly detected in the cells surrounding the vascular tissues, cytoplasm, and nuclei

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Maureen M.M. Fitch, Terryl C.W. Leong, Xiaoling He, Heather R.K. McCafferty, Yun J. Zhu, Paul H. Moore, Dennis Gonsalves, Herb S. Aldwinckle, and Howard J. Atkinson

of anthurium was carried out for bacterial blight resistance using Agrobacterium tumefaciens strain LBA4404 ( Hoekema et al., 1983 ) and two different tissue types, etiolated internodes ( Chen and Kuehnle, 1996 ; Kuehnle and Chen, 1994 ; Kuehnle

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W. Garrett Owen and Roberto G. Lopez

propagation technique methods for purple fountain grass include division and tissue-cultured plantlets that result in crop uniformity and preserves cultivar identity ( Wang et al., 1999 ). Growers who propagate purple fountain grass from divisions, tissue

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Christopher J. Currey, Vincent C. Metz, Nicholas J. Flax, Alex G. Litvin, and Brian E. Whipker

, the internode length was calculated by dividing the height by the number of nodes. A leaf from the third or fourth most recently matured node was removed from each plant and placed in a leaf area meter (LI-COR 3100; LI-COR Biosciences). Shoots were

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Christy T. Carter and Catherine M. Grieve

radiation was 962 μmol·m −2 ·s −1 . Analyses of minerals in plant tissues. On 7 July 2004, zinnia shoots were harvested for mineral analysis. The number of unmarked plants randomly harvested per cultivar from each tank (and, subsequently, three

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Xiaohua Yang, Susan K. Brown, and Peter J. Davies

Steffens et al. (1989a) identified a thermo-sensitive dwarf phenotype from a hybrid population of ‘Goldspur’ Delicious × ‘Redspur’ Delicious. A breeding selection with reduced stature and reduced internodes (Selection 1, ‘Fuji’ × Co-op 18) was identified

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Aekaterini N. Martini, Maria Papafotiou, and Stavros N. Vemmos

tissues ( Dobránszki and Teixeira da Silva, 2010 ; Hu and Wang, 1983 ). Explants from axillary shoot tips of Vitis vinifera had a higher survival rate than those from terminal positions, and a strong negative correlation was found between survival in

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Gary R. Bachman and Margaret J. McMahon

`Celebrity White' hybrid petunia plants (Petunia ×hybrida Hort. Vilm-Andr.) were grown either in chambers constructed of CuSO4-filled panels acting as spectral filters removing the far-red light (-FR) or in environmental control chambers under temperature treatments of 24 °C day/18 °C night (+DIF) or 18 °C day/24 °C night (-DIF). Growth responses for plants grown under CuSO4 filter (-FR) or -DIF temperatures were similar in that both treatments resulted in decreased internode length, increased stem diameter, and decreased cell length and cell diameter in epidermal, cortical, and pith tissues. Reduced cortical cell length contributed the largest percentage to internode length reductions compared to epidermal and pith tissue for the -FR treatment while reductions in cell length of all three tissues contributed to internode reduction of -DIF-treated plants. Chlorophyll a increased for plants grown under -FR, but decreased for plants grown in -DIF when compared to the appropriate controls.