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Li Ma, Chang Wei Hou, Xin Zhong Zhang, Hong Li Li, De Guo Han, Yi Wang, and Zhen Hai Han

apple ( Malus × domestica Borkh.) trees in vitro: Multiple cytokinin tolerance expressed among three strains of ‘McIntosh’ that differ in their growth habit under field conditions Plant Cell Tissue Organ Cult. 54 71 76 Shao, K.J. Li, D.K. Zhang, Z

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Lloyd L. Nackley, Brent Warneke, Lauren Fessler, Jay W. Pscheidt, David Lockwood, Wesley C. Wright, Xiaocun Sun, and Amy Fulcher

frequent applications of pesticides due to intense pressure from pests and diseases and to meet the stringent aesthetic requirements for marketable fruits and vegetables. In apple ( Malus domestica ) orchard and grape ( Vitis vinifera ) vineyards, up to

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Giverson Mupambi, Stefano Musacchi, Sara Serra, Lee A. Kalcsits, Desmond R. Layne, and Tory Schmidt

. Materials and Methods Study site, plant material, and treatments Experiments were conducted on potted ‘Honeycrisp’/‘M-9-T337’ apple trees ( Malus domestica Borkh.) at Washington State University Tree Fruit Research and Extension Center in Wenatchee, WA (lat

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Eric Young and S.M. Blankenship

Three percent oxygen significantly delayed and reduced budbreak of fully chilled apple (Malus domestica Borkh.) trees in a greenhouse. When ambient oxygen levels were restored, budbreak occurred normally. Apple trees stored under 3% ± 1% oxygen at 6C for 35 weeks had no detectable bud development in storage. Budbreak and subsequent shoot growth were normal after the trees had been removed from storage.

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Cyrus Samimy and James N. Cummins

Isozymes of six enzyme systems extracted from 13 apple (Malus domestica Borkh.) rootstocks were separated electrophoretically on a horizontal starch gel. Each rootstock was clearly distinguished by its unique isozyme banding patterns. All the rootstocks were distinguishable using only two of the enzyme systems, phosphoglucomutase and 6-phosphogluconate dehydrogenase, both of which exhibited considerable isozyme polymorphism.

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Franklin R. Hall, Roger A. Downer, Jane A. Cooper, Timothy A. Ebert, and David C. Ferree

Apple (Malus domestica Borkh.) leaves were sprayed to runoff using a selection of pesticides, and subsequent spray retention was evaluated by weight. Timing, cultivar, leaf surface, and leaf type significantly influenced spray retention. Spray retention correlated significantly and positively with leaf hair density. The importance of these differences is considered in relation to the possible efficiency of the pesticide application process in apple orchards.

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Shogo Matsumoto, Kentaro Kitahara, Sadao Komori, and Junichi Soejima

S-allele genotypes of nine apple (Malus ×domestica Borkh.) cultivars were identified using S-allele–specific polymerase chain reaction (PCR)–restriction fragmentlength polymorphism (RFLP) analysis. A new S-allele, Sg, was proposed to be present in `American Summer Pearmain', `Indo', `Kitanosachi', and `Meku 10'. This allele is very similar to Sf at the nucleotide sequence (92%) and deduced amino acid sequence (94%) levels.

Open access

Adam D. Karl, Michael G. Brown, Sihui Ma, Ann Sandbrook, Amanda C. Stewart, Lailiang Cheng, Anna Katharine Mansfield, and Gregory M. Peck

The rapid growth of the hard-cider (henceforth referred to as cider) industry within the United States during the past decade offers an opportunity for apple [ Malus × domestica (Borkh.)] growers in the United States to expand and diversify

Open access

Adam D. Karl, Michael G. Brown, Sihui Ma, Ann Sandbrook, Amanda C. Stewart, Lailiang Cheng, Anna Katharine Mansfield, and Gregory M. Peck

Tobacco Tax and Trade Bureau, 2008 , 2018 ). The growth of the cider industry offers apple ( Malus × domestica Borkh.) producers an opportunity to expand and diversify into a niche commodity with a high price premium ( Peck and Knickerbocker, 2018 ). To

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Dan TerAvest, Jeffrey L. Smith, Lynne Carpenter-Boggs, Lori Hoagland, David Granatstein, and John P. Reganold

apple ( Malus domestica ) trees in response to irrigation method and timing of N application Tree Physiol. 21 513 521 Neilsen, G.H. Hogue, E.J. Forge, T. Neilsen, D. 2003 Mulches and biosolids