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Pyrus bretschneideri(PYUBR)

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Pests

Organism Type
Agrobacterium tumefaciens (as Pyrus) (AGRBTU) Host
Anarsia lineatella (as Pyrus) (ANARLI) Host
Anoplophora glabripennis (ANOLGL) Host 
* van der Gaag DJ, Loomans AJM (2014) Host plants of Anoplophora glabripennis, a review. EPPO Bulletin 44(3), 518-528.
------- Confirmed host: one record from China.
Apple rubbery wood agent (ARW000) Host 
* Wang Y, Wang GP, Hong N, Wang YX, Yang ZK, Guo JS, Zhang Z, Li L, Li YJ, Li QY, Xu L, Qi LY (2019) First report of Apple Rubbery Wood Virus 2 infecting pear (Pyrus spp.) in China. Plant Disease 103(12), 3293.
------- confirmed host.
Apriona cinerea (as Pyrus) (APRICI) Host 
* Singh AP, Bhandari RS, Verma TD (2004) Important insect pests of poplars in agroforestry and strategies for their management in northwestern India. Agroforestry Systems 63, 15–26.
Apriona germari (as Pyrus) (APRIGE) Host 
* Lim J, Jung S-Y, Lim J-S, Jang J, Kim K-M, Lee Y-M, Lee B-W (2014) A review of host plants of Cerambycidae (Coleoptera: Chrysomeloidea) with new host records for fourteen Cerambycids, including the Asian longhorn beetle (Anoplophora glabripennis Motschulsky), in Korea. Korean Journal of Applied Entomology 53(2), 111-133.
Cacopsylla chinensis (as Pyrus) (CCPSCH) Host
Carposina sasakii (as Pyrus) (CARSSA) Host 
* Wang YZ, Li BY, Hoffmann AA, Cao LJ, Gong YJ, Song W, Zhu JY, Wei SJ (2017) Patterns of genetic variation among geographic and host-plant associated populations of the peach fruit moth Carposina sasakii (Lepidoptera: Carposinidae). BMC Ecology and Evolution 17, 265 (2017). https://doi.org/10.1186/s12862-017-1116-7
Ceratitis rosa (as Pyrus) (CERTRO) Host
Colletotrichum fructicola (COLLFC) Host 
* Jiang J, Zhai H, Li H, Chen Y, Hong N, Wang G, Chofong GN, Xu W (2014) Identification and characterization of Colletotrichum fructicola causing black spots on young fruits related to bitter rot of pear (Pyrus bretschneideri Rehd.) in China. Crop Protection 58, 41-48.
Erthesina fullo (ERTNFU) Host 
* Mi Q, Zhang J, Gould E, Chen J, Sun Z, Zhang F (2020) Biology, ecology, and management of Erthesina fullo (Hemiptera: Pentatomidae): A review. Insects 11, 346. https://doi.org/10.3390/insects11060346
Erwinia amylovora (as Pyrus) (ERWIAM) Host 
* Van der Zwet, Keil HL (1979) Fire blight: a bacterial disease of rosaceous Plants. USDA Handbook no. 510. USDA, Washington (US), 200 p.

* Zeller W (1977) Studies on fire blight in the German Federal Republic. 2. Susceptibility of woody ornamentals to Erwinia amylovora. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 29(1 ), p 1-10.
Grapholita inopinata (CYDIIN) Host 
* AQIS (1998) Final import risk analysis of the importation of fruit of ya pear (Pyrus bretschneideri Redh.) from the People’s Republic of China (Hebei and Shandong provinces). 48 pp

* Biosecurity New Zealand (2009) Import Risk Analysis: Pears (Pyrus bretschneideri, Pyrus pyrifolia, and Pyrus sp. nr. communis) fresh fruit from China Final. 462 pp.  https://www.mpi.govt.nz/dmsdocument/2884-Pears-Pyrus-bretschneideri-Pyrus-pyrifolia-and-Pyrus-sp.-nr.-communis-fresh-fruit-from-China-Final-Risk-Analysis-October-2009
Grapholita inopinata (as Pyrus) (CYDIIN) Host
Grapholita molesta (as Pyrus) (LASPMO) Host
Grapholita prunivora (as Pyrus) (LASPPR) Host
Gymnosporangium asiaticum (GYMNAS) Host 
* Zhao P, Qi XH, Crous PW, Duan WJ, Cai L (2020) Gymnosporangium species on Malus: species delineation, diversity and host alternation. Persoonia 45(1), 68-100.
------- Aecial host.
Gymnosporangium globosum (as Pyrus) (GYMNGL) Host
Hyphantria cunea (as Pyrus) (HYPHCU) Host
Leucoptera malifoliella (as Pyrus) (LEUCSC) Host
Malacosoma disstria (as Pyrus) (MALADI) Host
Megaplatypus mutatus (as Pyrus) (PLTPMU) Host 
* Allegro G, Griffo R (2008) I rischi di diffusione di Megaplatypus mutatus. L'informatore Agrario no. 13, 73-76.
Monilinia fructicola (as Pyrus) (MONIFC) Host
Neofabraea malicorticis (as Pyrus) (PEZIMA) Host
Orgyia leucostigma (as Pyrus) (HEMELE) Host
Pear blister canker viroid (as Pyrus) (PBCVD0) Host
Pear bud drop agent (as Pyrus) (PRBD00) Host
Phyllosticta solitaria (as Pyrus) (PHYSSL) Host 
* Farr DF, Bills GF, Chamuris GP, Rossman AY (1989) Fungi on plants and plant products in the United States, APS Press, St Paul, USA, 1252 pp.

* Wikee S, Udayanga D, Crous PW, Chukeatirote E, McKenzie EH, Bahkali AH, Dai DQ, Hyde KD (2011). Phyllosticta—an overview of current status of species recognition. Fungal Diversity 51, 43-61.
Phytophthora cactorum (as Pyrus) (PHYTCC) Host
Pseudococcus comstocki (as Pyrus) (PSECCO) Host
Scolytus schevyrewi (as Pyrus) (SCOLSH) Host
Taphrina bullata (as Pyrus) (TAPHBU) Host
Thrips hawaiiensis (as Pyrus) (THRIHA) Host
Trichoferus campestris (as Pyrus) (HESOCA) Host 
* Iwata R & Yamada F (1990) Notes on the biology of Hesperophanes campestris, a drywood borer in Japan. Material und Organismen 25, 305–313.
Anoplophora chinensis (as Pyrus) (ANOLCN) Major host 
* Sjöman H, Östberg J & Nilsson J (2014) Review of host trees for the wood-boring pests Anoplophora glabripennis and Anoplophora chinensis: an urban forest perspective. Arboriculture & Urban Forestry 40(3), 143–164.
Cacopsylla chinensis (CCPSCH) Major host 
* Wei M, Chi H, Guo Y, Li X, Zhao L, Ma R (2022) Demography of Cacopsylla chinensis (Hemiptera: Psyllidae) reared on four cultivars of Pyrus bretschneideri (Rosales: Rosaceae) and P. communis pears with estimations of confidence intervals of specific life table statistics. Journal of Economic Entomology 113(5), 2343–2353, https://doi.org/10.1093/jee/toaa149
Neofabraea vagabunda (as Pyrus) (PEZIAL) Major host
Neonectria ditissima (as Pyrus) (NECTGA) Major host
Venturia nashicola (VENTNA) Major host 
* Ishii H, Watanabe H, Tanabe K (2002) Venturia nashicola: pathological specialization on pears and control trial with resistance inducers. Acta Horticulturae 587, 613-621.
------- confirmed host.