
almus america 'ayova raajya'

americi elm kaltiwar almus american 'ayova state' koo 1980 key dashak mein ayova state university key professor alekjendar (sandy) mcnab dwara burlington mein rogagrast elm mein ekmatra jeevit vyakti key roop mein khoje gaye ack pedh seey pratiroopit kiya gayaa thaa.
varnan.
pedh mein ack tez, motee shaakhaon vaali aadat hoti haye, lekin aasakti key teevra konon key kaaran isaki shaakhaaen apekshaakrit kamjor hoti hain jisase chhaal shamil hoti haye. 
keat aur roga.
'ayova state' koo "americi bagwani visheshagya" samachar sanskaran, 63 (5): 4,1984 mein "dakshinpurvi ayova seey ack praakritik chayan key roop mein bataaya gayaa thaa, joe kutton key sevan key dauran dutch elm roga key liye atyadhik pratirodhi thaa. samagr roop seey yeh prajaati elm peele rung key liye atyadhik atisamvedansheel haye; ise vayask elm leaf beatle "zanthogeleruca luteola" dwara khilaane aur prajanan key liye bhee madhyam roop seey pasand kiya jaataa haye, aur sanyukt raajya mein japani beatle "popilia japonica" dwara khilaane key liye atyadhik pasand kiya jaataa haye. "yuu. americana "bhee verticillium wilt key liye sabhi elms mein sabse atisamvedansheel haye.
kheti karein.
minnepolis mein iss kism kaa pareekshan kiya gayaa thaa. minnepolis key deane park kshetra mein mool ropanon mein seey ack (1978) koo 2013 mein girana padaa, 34 saal baad, gambhir dosh vikasit honey key baad.

