Tham khảo Pyrus_pyrifolia

  1. 1 2 3 4 Bailey, L.H.; Bailey, E.Z.; the staff of the Liberty Hyde Bailey Hortorium (1976). Hortus third: A concise dictionary of plants cultivated in the United States and Canada. New York: Macmillan,. 
  2. ↑ “Pyrus pyrifolia (Chinese pear)”. USDA PLANTS profile. Natural Resources Conservation Service, United States Department of Agriculture. Truy cập ngày 14 tháng 3 năm 2012. 
  3. ↑ NSW Primary Industries 2002. Nashi asian pear varieties. Agfact H4.1.14
  4. ↑ In Japanese the fruit is called nashi. A variety is called shingo in Korean.
  5. ↑ ニホンナシ育成品種の系統図 ：果樹研
  6. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, chojuro. Agfact H4.1.14
  7. ↑ ニホンナシ育成品種の系統図 ：果樹研
  8. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, kosui. Agfact H4.1.14
  9. ↑ ニホンナシ育成品種の系統図 ：果樹研
  10. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, housui. Agfact H4.1.14
  11. ↑ ニホンナシ育成品種の系統図 ：果樹研
  12. ↑ ニホンナシ育成品種の系統図 ：果樹研
  13. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, nijiseiki. Agfact H4.1.14
  14. ↑ ニホンナシ育成品種の系統図 ：果樹研
  15. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, nitaka. Agfact H4.1.14
  16. ↑ ニホンナシ育成品種の系統図 ：果樹研
  17. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, okusanki. Agfact H4.1.14
  18. ↑ ニホンナシ育成品種の系統図 ：果樹研
  19. ↑ NSW Primary Industries 2002. Nashi asian pear varieties, shinko. Agfact H4.1.14

Tài liệu tham khảo

WikiPedia: Pyrus_pyrifolia http://www.nashiaustralia.com.au/ http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://www.dpi.nsw.gov.au/agriculture/horticulture... http://db1.wdc-jp.com/pdf_store/jspcmb/pdf/pb19_1/...