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Liping Zhang, Chen Shen, Jipeng Wei and Wenyan Han

concentrations of 6-BA working solution (50, 100, 200, and 400 mg·L −1 ; J&K Scientific Ltd., China) were prepared by adding solute in distilled H 2 O followed by adding 1.0% hydrochloride, and the mixture was stirred until dissolution. Nonionic surfactant was

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Ya-Long Qin, Xiao-Chun Shu, Wei-Bing Zhuang, Feng Peng and Zhong Wang

razor and cultured in glass growth vessels containing solidified MS callus induction medium supplemented with different combinations of 6-BA: 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 mg·L −1 and NAA: 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6 mg·L −1 . Callus

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Menahem Edelstein, Daniel Berstein, Moshe Shenker, Hasan Azaizeh and Meni Ben-Hur

most soils ranges from 0.01 to 2 mg·kg −1 , but can vary from ≈0 to >10 mg·kg −1 in certain regions ( Fordyce, 2005 ). Se is distributed in the environment through natural processes of weathering; disposal of human, animal, and plant wastes; and

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Timothy K. Broschat

develop moderate to severe K, Mg or both deficiency symptoms on south Florida’s sandy, nutrient-poor soils. These deficiencies are not only unsightly, but also cause premature senescence of the older leaves, leading to complete defoliation by April. Thus

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Menahem Edelstein, Roni Cohen, Meital Elkabetz, Shimon Pivonia, Ami Maduel, Tom Sadeh-Yarok and M. Ben-Hur

, however, that the “biological filter effect” is not selective and may negatively affect absorption and uptake of necessary elements. Indeed, some studies have reported that the concentrations of Mg, Zn, and Mn are lower in grafted plants than in nongrafted

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Clive Kaiser, Philip B. Hamm, Stacy Gieck, Nicholas David, Lynn Long, Mekjell Meland and J. Mark Christensen

used to reach concentrations of 0, 75, 150, 300, 600, and 1200 mg·L −1 of media ( Tables 2 through 4 , respectively). One 4-mm plug of agar from the hyphal tip of each fungus or oomycete culture was transferred, mycelia side down, to the center of

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Qasim Ahmed, Yonglin Ren, Robert Emery, James Newman and Manjree Agarwal

( Oryzaephilus surinamensis ) and confused flour beetle ( Tribolium confusum ) on dry vine fruit. Different levels of EF combined with low concentration of PH 3 0.5 mg·L −1 for 2 h have resulted in high mortality of three species of aphids [cotton aphid ( Aphis

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Samira Samarfard, Mihdzar A. Kadir, Saleh B. Kadzimin, Halimi M. Saud, Seyed Ali Ravanfar and Mahmoud Danaee

semisolid ND medium (NDM) ( Tokuhara and Mii, 1993 , 1998 ) supplemented with 0.1 mg·L –1 TDZ and 1.0 mg·L –1 naphthalene acetic acid (NAA). The protocol was selected based on an earlier report on Phalaenopsis gigantea ( Niknejad et al., 2011 ). The

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Duane W. Greene

were counted and the blossom cluster density calculated. On 8 May when trees were in full bloom, one limb per tree was sprayed to the drip point with a solution containing 500 mg·L −1 ABA (Valent BioSciences, Libertyville, IL) containing Tween 20

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Babak Madani, Marisa Wall, Amin Mirshekari, Alagie Bah and Mahmud Tengku Muda Mohamed

zone of young ‘Eksotika II’ papaya, the maximum plant height and stem diameter were reached at 180 and 240 mg·L −1 Ca ( Madani et al., 2013 ). Although the Ca content in the plant was unaffected by the different Ca sources, there were significant