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Connie L. Fisk, Michael L. Parker, and Wayne Mitchem

; Majek et al., 1993 ; Meagher and Meyer, 1990 ; Welker and Glenn, 1989 ). Unwanted vegetation competes with trees for water and nutrients and can also serve as an alternate host for pathogens and insect pests, including hemipteran insects that damage

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Christopher A. Clark, Tara P. Smith, Donald M. Ferrin, and Arthur Q. Villordon

et al., 2004 ; Clark and Hoy, 2006 ). To counter cultivar decline, major sweetpotato-growing states have developed foundation seed programs that provide “VT” (indexed by grafting to an indicator host, by assaying for specific viruses, or by both and

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manageable blueberry pollinator. In fact, the bee does better feeding its offspring pollen and nectar from blueberry rather than from its own natural host plants (bearberries and barberries). Tests in Alabama and Mississippi show that females emerging as

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Neil O. Anderson

, 1993b , 1994 , 1995 ). Deviations for the diagnostic traits of both species were found with regularity. Purple loosestrife individuals were found with winged loosestrife traits: alternate leaves (1.2%), seed dormancy (>95%), solitary axillary flowers

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Kim D. Bowman, Lynn Faulkner, and Mike Kesinger

in cone cells were maintained in a greenhouse at the U.S. Horticultural Research Laboratory, Ft. Pierce, and irrigated as needed, alternating between water and a water-soluble fertilizer mix of 20N–10P–20K (Peters Professional, The Scotts Company

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Douglas C. Whitaker, Mihai C. Giurcanu, Linda J. Young, Pedro Gonzalez, Ed Etxeberria, Pamela Roberts, Katherine Hendricks, and Felix Roman

. in host plants using real-time PCR Plant Dis. 92 854 861 McGrane, S.J. Cornell, H.J. Rix, C.J. 1998 A simple and rapid colorimetric method for the determination of amylase in starch products Starch 4 158 163 Monerri, C. Fortunato-Almeida, A. Molina, R

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Marvin Pritts and Marcia Eames-Sheavly

professor who presents additional data and students are asked to come up with an alternate explanation. The following week, this alternative explanation is intentionally rejected by the professor and the students are asked to consider yet another explanation

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Susan C. Miyasaka, Charles E. McCulloch, and Scot C. Nelson

host resistance. For example, individual plants could “escape” from the presence of P. colocasiae due to location in the field. Of these 23 cultivars that appeared to be TLB resistant, 11 of them originated from Palau and three (Eleele Makoko, Hapuu

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Ian-Huei Yau, Joan R. Davenport, and Michelle M. Moyer

]. In 2011, nearly 44,000 acres of wine grapes existed in Washington, a 395% increase over the last 18 years ( USDA, 2011b ). The region hosts 13 American Viticultural Areas (AVAs) acknowledged by the U.S. Alcohol and Tobacco Trade Bureau on the basis of

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Mohsen Mohseni-Moghadam, Christopher S. Cramer, Robert L. Steiner, and Rebecca Creamer

inoculum was in the field ( Fig. 1 ). On each alternate bed, IYSV-susceptible cultivars and breeding lines from the NMSU breeding program were sown in October of the previous year to act as disease-spreader rows ( Fig. 1 ). The field layout was designed