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Andrea R. Hefty, Mark V. Coggeshall, Brian H. Aukema, Robert C. Venette and Steven J. Seybold

reproduction also may be limited by juglone, a defensive phenolic compound produced by walnut species, which varies among cultivars of english walnut ( Juglans regia L.) and is present in the bark and phloem of black walnut and butternut ( Gupta et al., 1972

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Claudia Negrón, Loreto Contador, Bruce D. Lampinen, Samuel G. Metcalf, Theodore M. DeJong, Yann Guédon and Evelyne Costes

observed with higher concentrations of auxin in walnut shoots [ Juglans regia ( Solar et al., 2011 )]. Not all lateral meristems were able to form sylleptic shoots in the different zones along the shoots, and instead some formed vegetative buds during the

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Leonardo Lombardini, Hermann Restrepo-Diaz and Astrid Volder

.A. Webb] and 52 μmol·m −2 ·s −1 for hazelnut ( Corylus avellana L.) ( Hampson et al., 1996 ). Several authors have studied the effect of light availability in orchard crops. Shading reduced total leaf area in walnut ( Juglans regia L.) ( Atanasova et

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Gregory T. Browne, Charles A. Leslie, Joseph A. Grant, Ravindra G. Bhat, Leigh S. Schmidt, Wesley P. Hackett, Daniel A. Kluepfel, Reid Robinson and Gale H. McGranahan

Persian (english) walnut ( Juglans regia L.) orchards can incur serious economic loss from attack by several soilborne pathogens, including Agrobacterium tumefaciens Smith and Townsend (causal agent of crown gall disease), Armillaria mellea

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Arthur Villordon, Jeffrey C. Gregorie and Don LaBonte

specialty crops like apple ( Malus domestica ) ( Paulus and Schrevens, 1999 ), cranberry ( Vaccinium macrocarpon ) ( Diaz-Garcia et al., 2018 ), radish ( Raphanus sativus ) ( Iwata et al., 2004 ), walnut ( Juglans regia ) ( Ercisli et al., 2012 ), and

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Bielinski M. Santos, Teresa P. Salame-Donoso and Alicia J. Whidden

assimilation and yield. Rosati et al. (2007) suggested that kaolin clay application on leaves improved the distribution of photosynthetically active radiation in almond ( Prunus dulcis ) and walnut ( Juglans regia ). Spiers et al. (2004) demonstrated that

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Michael V. Mickelbart

leaves was half that of younger leaves, the amount of nutrient per leaf area would be much lower in these older leaves. Leaves on the interior of apple canopies also had lower SLW and N concentrations ( Elkner and Barden, 1988 ). In walnut ( Juglans regia

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Michael W. Smith, William D. Goff and M. Lenny Wells

growing season, and nursery-budded trees. In walnut ( Juglans regia L.), cumulative yield (8 years) was greater using grafted trees or planting seed and then grafting to the desired cultivar than those planted as seedlings and then grafted ( Reil, 2001

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Ali Akbar Ghasemi Soloklui, Ahmad Ershadi and Esmaeil Fallahi

January. Moreover, the maximum concentrations of soluble carbohydrates and maximum cold hardiness were observed simultaneously in January. These results conform to studies that have been done on walnut ( Juglans regia L.) ( Améglio et al., 2004 ) and

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Maria Florencia Babuin, Mariela Echeverria, Ana Bernardina Menendez and Santiago Javier Maiale

. Calvet, C. 1996 Micropropagation of walnut trees ( Juglans regia L.) and response to arbuscular mycorrhizal inoculation Agronomie 16 639 645 Duan, X. Neuman, D.S. Reiber, J.M. Green, C.D. Saxton, A.M. Auge, R.M. 1996 Mycorrhizal influence on hydraulic