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Bruce W. Wood and Larry J. Grauke

Pecan and certain Carya species accumulate rare-earth elements [i.e., lanthanides (Lns) and Group III elements of the Periodic Table] as components of foliar ionomes [i.e., all low-molecular-weight molecules and ions present within cells, tissues

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Bruce W. Wood, Jerry A. Payne, and Owen Jones

Overcrowding in young high-density pecan [Carya illinoensis (Wangenh.) C. Koch] orchards has prompted a study of tree transplanting and evaluation of survival and tree performance. Shoot growth and nut production characteristics of 13-year-old `Stuart' and `Farley' pecan trees subjected to different stubbing and pruning treatments and then transplanted with a large tree spade indicated that transplants can survive with little or no pruning if moved when dormant. Shoot regrowth was proportional to the degree of pruning, and nut production was inversely proportional to the degree of pruning.

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M. Lenny Wells, Patrick J. Conner, J. Frank Funderburk, and Jacob G. Price

demand for B than do vegetative structures ( Dell and Huang, 1997 ). Reductions in crop yield and quality in low B soils potentially result from impaired reproductive development during the flowering/fruiting cycle ( Dell and Huang, 1997 ). Pecan

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Alejandro Rey, William C. Lindemann, and Marta D. Remmenga

collaboration and allowing us use of their pecan fields.

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Rui Zhang, Fang-Ren Peng, Dong-Liang Le, Zhuang-Zhuang Liu, Hai-Yang He, You-Wang Liang, Peng-Peng Tan, Ming-Zhuo Hao, and Yong-Rong Li

Pecan is a highly heterozygous outcrossing species, which shows wide variation in nut and tree quality when propagated from seed ( Sparks, 2005 ). Establishment of orchards of superior genotypes is critical for pecan as a cultivated crop. Much

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M. Lenny Wells, Eric P. Prostko, and O. Wendell Carter

, 2009 ). Georgia ranks first in U.S. pecan production, with an economic value of more than $401 million ( Wolfe and Stubbs, 2018 ). Cotton, field corn, and soybean account for more than $1.2 billion in farm gate value for the state ( Wolfe and Stubbs

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Mohammed B. Tahboub, William C. Lindemann, and Leigh Murray

dehydrogenase enzyme activity ( Boggs et al., 2000 ; Drinkwater et al., 1995 ; Reganold, 1993 ). In Doña Ana County, NM, alone, an estimated 25,500 t of pecan pruning wood is produced annually ( Cabral, 2005 ). Much of the pruning wood is burned as an

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Lenny Wells

Recent pecan price increases have renewed interest in the crop and led to the planting of additional pecan acreage throughout the U.S. pecan belt ( USDA, 2012 ; Wells, 2014 ). Georgia pecan producers planted at least 391,488 pecan trees and 6203

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Zhuang-Zhuang Liu, Tao Chen, Fang-Ren Peng, You-Wang Liang, Peng-Peng Tan, Zheng-Hai Mo, Fan Cao, Yang-Juan Shang, Rui Zhang, and Yong-Rong Li

researchers and has been demonstrated to show high efficiency and resolution. As a member of the Carya genus (Juglandaceae), pecan is an economically important and widely cultivated nut crop native to North America ( Andersen, 2015 ; Wood et al., 1990

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Michael W. Smith

Pecan is an indigenous nut tree that has been growing over its present range in the United States for at least 8000 years ( Hall, 2000 ). The native habitat of pecan is the mixed-stand riparian forests in the central United States extending into