Har zuwa karni na 19, yawancin nau'in dankalin turawa da ake nomawa a Arewacin Amurka an shigo da su daga Turai ba tare da kula da takamaiman nau'in ba. A kusa da 1750, a cikin New England nau'in dankalin turawa yawanci ana kiran su da launi ko halin fata, misali "m sufi," "jajayen riguna," da "fararen fata." A cikin 1770 an ambaci "jajaye," "bluish", "fararen fata," da dankali "Faransa", wanda karshensa ya yi daidai da siffar su.
Wannan ya canza lokacin da nau'in Neshannock ya zo wurin. John Gilkey, wanda aka haife shi kusa da Londonderry, Ireland, da ƙanensa James (wanda aka haife shi a Chambersburg, Pennsylvania) ne ya haɓaka shi. Iyayensu sun yi ƙaura zuwa Amirka a shekara ta 1772. A shekara ta 1798 John ya sayi gonaki mai girman eka 200 a gundumar Mercer, Pennsylvania, kuma ’yan’uwan Gilkey suka soma noman dankali. John ya dasa ja, fari, da shuɗi, ya tattara 'ya'yan itatuwa daga tsire-tsire kuma ya dasa tsaba a cikin gadon lambunsa a 1801.
An bayar da rahoton cewa na farko-shekara seedling tubers kasance Multi-launi da kuma kananan (wasu daga cikinsu "ba ya fi girma fiye da Peas."). A cikin shekaru biyu masu zuwa, John ya zaɓi daga cikin waɗannan tsire-tsire kuma ya sa wa zaɓinsa suna Neshannock bayan Neshannock Creek na kusa. Tubers suna da girma da tsayi kuma launin ja-ja-jaja, tare da ɗigon launi iri ɗaya ta cikin naman wanda gabaɗaya ya ɓace bayan dafa abinci. An dauke shi "daya daga cikin mafi mahimmancin dankalin tebur, fari, mai laushi, da dandano mai kyau." Gilkey kuma ya ƙirƙiri “ƙasuwa” da yawa, gami da Red Mercer da Black Mercer. Su kuma waɗannan nau'ikan ana kallon su azaman samfuri waɗanda yakamata a tantance sauran nau'ikan da su.
Wani lokaci kafin 1810, wakilin jihar Bevan Pearson ya fara noman dankalin Neshannock a kusa da Philadelphia daga iri da aka samu a gundumar Mercer kuma ya sanya masa suna bayan gundumar da aka fara samar da ita. A cikin shekarun da suka biyo baya, noman sabbin nau'ikan ya bazu cikin sauri a cikin jihohin tsakiyar Atlantic, sannan a duk faɗin ƙasar. A cikin 1830s, wani manomi mai suna Titus Bronson ya gabatar da su zuwa Michigan kuma ya yi iƙirarin cewa ya haɓaka gandun daji 700 a kan kadada ɗaya na ƙasa kusa da Kalamazoo na yanzu.
A shekara ta 1851, Neshannock (a ƙarƙashin sunan Gilkey) ya kasance babban mai nasara a bikin baje kolin a duk faɗin Amurka A lokacin Yaƙin basasa, Neshannock ya kasance abincin da aka fi so na ƙungiyoyin ƙungiyoyi da sojoji. A shekara ta 1875, manoma a Idaho da Utah suna jigilar dankali ta hanyar dogo zuwa California. Ko da yake an fi sanin waɗannan dankali da “dankalin Brigham,” hakika sun kasance na nau’in Neshannock. An yi la'akari da tubers na Neshannock mai daraja sosai cewa a cikin 1824, William Rankin, ɗan siyasa na gida kuma maƙwabcin Gilkeys, ya yi ciniki da gwamnan Pennsylvania Andrew Shultz rabin gandun daji don nadin ofisoshin guda hudu (mai rikodin ayyuka, mai rejista na wasiyya). , prothonotary, kuma magatakarda na kotuna).
Alkali John "Over the Creek" Findley ya nuna rashin amincewa, wanda hakan ya kai ga "1824 Findley-Rankin Tumult" a cikin kotun gundumar. A lokacin yunwar Irish na 1846-47, an tura dubunnan bushels na Neshannock zuwa Ireland, inda aka karɓe su da godiya a ƙarƙashin sunan "Gilkeys," abin tunawa mai kyau ga yaron da ya bar Londonderry shekaru 75 da suka wuce. A cikin rabin na biyu na karni na 19, an gudanar da bincike mai zurfi a Turai da Arewacin Amirka don samun sababbin iri.
An gudanar da wannan binciken a wani ɓangare don haɓaka juriya ga ƙyalli na ƙarshe da kuma 'yanci daga ƙwayoyin cuta kamar "curl" (sau da yawa haɗin PLRV da PVY). Duk waɗannan cututtuka ba su da kyau a fahimta a lokacin, kuma idan babu tsarin ba da takardar shaida na dankalin turawa, nau'in iri sun kasance suna mutuwa a hankali ("karewa") ga cututtuka. Duk da haka, an lura cewa dankalin da aka girma daga iri na gaskiya gabaɗaya ba shi da kullun, yayin da waɗanda suka daɗe suna noma suna son yin lalacewa da shekaru. A sakamakon haka an sami ɗimbin ayyuka don haɓaka sabbin iri.
Bukatar samun sabbin nau'ikan ya yi yawa har ana sayar da tubers na sabbin iri akan farashi mai tsada. Misali, a cikin 1868, daya tuber na Sarkin farko ya sami $50. Wannan ya jagoranci Henry Ward Beecher, a cikin rubutunsa akan Dankali Mania, don yin la'akari da cewa "Masu sa ido, tare da tsinkaya da kwanon rufi, na iya yin kyau a cikin Dutsen Rocky, amma hanyar da ta dace don tono zinari a Jihar New York, shine ku bar ku. dankali yayi maka.” Haɗin rashin tsarin ba da takardar shedar dankalin turawa iri da tarin sabbin iri a ƙarshe ya haifar da mutuwar Neshannock.
George Best ya buga wata talifi daga jaridun aikin gona na wannan rana, yana hasashen makomarta: “The Early Rose da aka yi bikin a yanzu ya yi alkawarin kusan ko daidai da yarima mai ɗanɗano mai ɗanɗano, Mercer mai adalci.” Wasu sabbin nau'ikan nau'ikan da aka haɓaka a ƙarshen karni na 19, gami da Beauty of Hebron, Bliss Triumph, Early Ohio, Garnet Chili, Green Mountain, Sarkin Farko, Rural New Yorker #2, da Russet Burbank suma sun ba da gudummawa ga rushewar Neshannock.
Ba a sani ba ko an yi amfani da Neshannock a matsayin iyaye na kowane sabon nau'in; ba a jera shi azaman iyaye na shigarwar 320 a cikin Tarin Kayayyakin Dankali iri-iri na Arewacin Amurka ba. Yanzu ya ƙare kuma tabbas ba shi da zuriya. Amma duk da haka ya zama abin koyi ga nau'ikan da suka biyo baya kuma ya bar tarihi mai ɗaukaka wanda ba za a iya goge shi ba. Wannan taƙaitaccen sigar an labarin da aka buga a cikin Jaridar Amurka na Binciken Dankali
Wannan labarin ya bayyana a cikin fitowar Janairu 2022 Dankalin Turawa.