| 词条 | Cucurbita ecuadorensis |
| 释义 |
|status = VU |status_system = IUCN3.1 |image = Cucurbita ecuadorensis (Cutler & Whitaker) mature fruit 2 merged pictures.jpg |image_caption = Mature fruit and cut showing pulp and seeds. |genus = Cucurbita |species = ecuadorensis |authority = H.C.Cutler & Whitaker{{r|IUCN}}[1] }} Cucurbita ecuadorensis is a species of squash, discovered in 1965 growing wild in Ecuador.[2] Like most wild gourds and squashes, it is creeping vine and is often found climbing over other vegetation.{{r|IUCN}} It has been found only in the western provinces of Guayas and Manabi.[3] There is evidence that it was domesticated in Ecuador around 10,000 years ago, likely for its seeds, but no direct records exist and it is no longer cultivated.[4] It is resistant to many diseases of cultivated Cucurbita species,[5] and has been used to breed resistance to several diseases into common squashes.[6] For example, researchers at Cornell University used Cucurbita ecuadorensis to breed resistance to papaya ringspot virus, watermelon mosaic virus, and powdery mildew, into common Cucurbita maxima cultivars.{{r|CU}} Cucurbita ecuadorensis is listed on the IUCN Red List as vulnerable,[7] and is found protected in the Machalilla National Park.{{r|IUCN}} References1. ^{{cite journal|title=A New Species of Cucurbita From Ecuador|journal=Annals of the Missouri Botanical Garden|last1=Cutler|first1=Hugh C.|last2=Whitaker|first2=Thomas W.|volume=55|issue=3|pages=392–396|year=1968|doi=10.2307/2395132}} 2. ^{{cite journal | last1=Cutler | first1=Hugh C. | last2= Whitaker | first2=Thomas W. | title=A New Species of Cucurbita from Ecuador | volume=55 | issue=3 | year=1968 | journal=Annals of the Missouri Botanical Garden | publisher=Missouri Botanical Garden Press | jstor=2395132 | doi=10.2307/2395132 | pages=392}} 3. ^{{GRIN | accessdate = 21 December 2017}} 4. ^{{cite book|last=Hancock|first=James|title=Plant evolution and the origin of crop species|year=2012|publisher=CAB International|location=Oxfordshire|url=https://books.google.com/?id=bRHaEWvR1uMC&printsec=frontcover#v=onepage&q&f=false|page=237|isbn=9780851998749}} 5. ^{{cite web|last=R. Dumas de Vaulx and M. Pitrat|title=Realization of the Interspecific Hybridization (F1 and BC1) Between Cucurbita pepo and C. ecuadorensis|url=http://cuke.hort.ncsu.edu/cgc/cgc03/cgc3-23.html.|publisher=North Carolina State University|accessdate=14 May 2013}}{{dead link|date=August 2017 |bot=InternetArchiveBot |fix-attempted=yes }} 6. ^{{cite book|last=Cole|first=Chittaranjan|title=Genetics Genomics and Breeding of Cucurbits|year=2012|publisher=Science Publishers|location=Clemson, South Carolina, USA|page=40|url=https://books.google.com/?id=07sg55-26bEC&pg=PA40&dq=Cucurbita+ecuadorensis#v=onepage&q&f=false|isbn=9781578087662}} 7. ^{{cite web|title=Cucurbita ecuadorensis|url=http://www.iucnredlist.org/details/45122/0|work=IUCN Red List|publisher=International Union for Conservation of Nature|accessdate=14 May 2013}} External links
4 : Squashes and pumpkins|Endemic flora of Ecuador|Cucurbita|Plants described in 1969 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。