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José Egea, Jose A. Campoy, Federico Dicenta, Lorenzo Burgos, Jose L. Patiño, and David Ruiz

Red under experimental conditions in Murcia, Spain. These new cultivars are self-incompatible; this was demonstrated in the field (by bagging branches) and in the laboratory (by observing pollen tube growth in 10 flowers) according to methodology

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Ming-Chung Liu and Der-Ming Yeh

germination and pollen tube growth Amer. J. Bot. 50 859 865 McCann, J.J. 1937 New double hybrid amaryllis Herbertia 15 69 Meerow, A.W. 2000 Breeding amaryllis, p. 174–195. In: D.J. Callaway and M.B. Callaway (eds.). Breeding ornamental plants, Portland, OR

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Ji Hae Jun, Eun Young Nam, Kyeong Ho Chung, Seok Kyu Yun, Jung Hyun Kwon, Ik Koo Yun, Yong Bum Kwack, Sung Jong Kim, and Kang Hee Cho

by the S -alleles expressed by the pollen and pistil tissues. Pollen tube growth is arrested if the same allele is present in both the pollen and the style ( Silva and Goring, 2001 ). Therefore, cross-compatible pollinizer cultivars that bloom

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Bandara Gajanayake, Brian W. Trader, K. Raja Reddy, and Richard L. Harkess

was correlated with PG T max . Pollen germination and pollen tube growth are the two parameters that prove the capability of pollen grains to perform their function of delivering sperm cells to the embryo for effective fertilization and seed/fruit set

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José Egea, Manuel Rubio, José A. Campoy, Federico Dicenta, Encarna Ortega, María D. Nortes, Pedro Martínez-Gómez, Antonio Molina, Antonio Molina Jr, and David Ruiz

observing pollen tube growth in 10 flowers) according the methodology described by Burgos et al. (1993) . In addition, the identification of their S genotypes by polymerase chain reaction using the consensus primers EM-PC2consFD and EM-PC3consRD

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Rafael Socias i Company and A.J. Felipe

. (2005) . Selections F-4-25 and F-4-43 showed a very low level of self-compatibility as shown by the low fruit sets after self-pollination and bagging in agreement with the previous observations on pollen tube growth. Selections F-4-9 and F-4-35 showed

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P. Lawrence Pusey, David R. Rudell, Eric A. Curry, and James P. Mattheis

required for directing pollen-tube growth ( Wolters-Arts et al., 1998 ). If lipids are present in apple stigma exudates, as indicated by histochemical studies ( Cresti et al., 1980 ; Heslop-Harrison, 1976 ; Stant, 1981 ), perhaps they were not separated

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Alfonso Guevara, María Nicolás-Almansa, José Enrique Cos, Juan Alfonso Salazar, Domingo López, José Egea, Antonio Carrillo, Manuel Rubio, Federico García, and David Ruiz

tube growth in 20–25 pistils), according to the methodology described by Guerra et al. (2009 ). ‘lucía myrtea’ is self-incompatible, with ‘victoria myrtea’ being the most suitable pollinator, given the coincidence in flowering dates. In addition, the

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Federico Dicenta, Teresa Cremades, Pedro José Martínez-García, Pedro Martínez-Gómez, Encarnación Ortega, Manuel Rubio, Raquel Sánchez-Pérez, Jesús López-Alcolea, and José Egea

, E. Cánovas, J.A. Egea, J. 2002 Self-pollination vs. cross-pollination in almond: Pollen tube growth, fruit set and fruit characteristics Plant Breed. 121 163 167 Dicenta, F. Martínez-Gómez, P. Martínez-Pato, E. Gradziel, T.M. 2003 Screening for

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Jung Hyun Kwon, Ji Hae Jun, Eun Young Nam, Kyeong Ho Chung, Ik Koo Yoon, Seok Kyu Yun, and Sung Jong Kim

two S -alleles expressed in the style, pollen tube growth is arrested in the style. By contrast, when the S -allele of the haploid pollen grain is different from the two S -alleles expressed in the style tissue, the pollen tube can grow through the