Tasirin maganin kwari akan sauro na iya bambanta sosai a lokuta daban-daban na rana, da kuma tsakanin rana da dare. Wani bincike da aka yi a Florida ya gano cewa sauro na daji Aedes aegypti masu jure wa permethrin sun fi kula da maganin kwari tsakanin tsakar dare da fitowar rana. Daga nan sai tsayin daka ya karu a tsawon yini, lokacin da sauro ya fi yawan aiki, yana kai kololuwar magariba da rabin farkon dare.
Sakamakon binciken da masu bincike a Jami'ar Florida (UF) suka gudanar yana da tasiri mai yawa gasarrafa kwaromasu sana'a, ba su damar yin amfani da magungunan kashe qwari da kyau, adana kuɗi, da rage tasirin muhalli. "Mun gano cewa mafi girman allurai napermethrinAna buƙatar kashe sauro a karfe 6 na yamma da 10 na yamma Waɗannan bayanai sun nuna cewa permethrin na iya zama mafi inganci idan ana shafa shi tsakanin tsakar dare da wayewar gari (6 na safe) fiye da faɗuwar rana (wajen ƙarfe 6 na yamma),” in ji Laftanar Sierra Schloop, wani marubucin binciken. An buga binciken ne a cikin Journal of Medical Entomology a watan Fabrairu. entomology a Jami'ar Florida tare da Eva Buckner, Ph.D., babban marubucin binciken.
Yana iya zama kamar hankali cewa lokacin da ya fi dacewa don shafa maganin kwari ga sauro shine lokacin da suka fi yin hayaniya, girgiza, da cizo, amma ba haka lamarin yake ba, a kalla a gwaje-gwajen da aka yi da permethrin, daya daga cikin magungunan kashe kwari guda biyu da aka fi amfani da su a Amurka, wadanda aka yi amfani da su a cikin wannan binciken. Aedes aegypti sauro yana cizon sauro da farko a cikin yini, a gida da waje, kuma yana aiki kusan sa'o'i biyu bayan fitowar rana da ƴan sa'o'i kafin faɗuwar rana. Hasken wucin gadi na iya tsawaita lokacin da za su iya ciyarwa a cikin duhu.
Ana samun Aedes aegypti (wanda aka fi sani da sauro zazzabi) a kowace nahiya banda Antarctica kuma shine maganin ƙwayoyin cuta masu haifar da chikungunya, dengue, zazzabin rawaya, da Zika. An danganta ta da barkewar cututtuka da dama a Florida.
Duk da haka, Schluep ya lura cewa abin da ke gaskiya ga nau'in sauro guda ɗaya a Florida bazai zama gaskiya ga sauran yankuna ba. Abubuwa daban-daban, kamar wurin yanki, na iya haifar da sakamakon jerin kwayoyin halittar wani sauro ya bambanta da na Chihuahuas da Manyan Danes. Don haka, ta jaddada, binciken binciken ya shafi sauro mai zazzabin rawaya ne kawai a Florida.
Akwai gargadi guda ɗaya, duk da haka, in ji ta. Sakamakon binciken wannan binciken zai iya zama gama gari don taimaka mana mu fahimci sauran nau'ikan nau'ikan.
Wani mahimmin binciken binciken ya nuna cewa wasu kwayoyin halittar da ke samar da enzymes da ke daidaitawa da lalata permethrin suma sun sami tasiri ta hanyar sauye-sauyen hasken haske a cikin tsawon sa'o'i 24. Wannan binciken ya mayar da hankali kan kwayoyin halitta guda biyar kawai, amma ana iya fitar da sakamakon zuwa wasu kwayoyin halitta a wajen binciken.
"Idan aka ba da abin da muka sani game da waɗannan hanyoyin da kuma game da ilimin halittar sauro, yana da ma'ana don fadada wannan ra'ayin fiye da waɗannan kwayoyin halitta da kuma wannan yawan daji," in ji Schluep.
Maganar ko aikin waɗannan kwayoyin halitta suna farawa bayan karfe 2 na rana kuma suna kololuwa a cikin duhu tsakanin 6 na yamma zuwa 2 na safe Schlup ya nuna cewa daga cikin yawancin kwayoyin halitta da ke cikin wannan tsari, biyar ne kawai aka yi nazari. Ta ce hakan na iya zama saboda lokacin da wadannan kwayoyin halittar ke aiki tukuru, ana kara lalata sinadarin. Ana iya adana enzymes don amfani bayan raguwar samar da su.
"Kyakkyawan fahimtar bambance-bambancen yau da kullun a cikin juriya na kwari wanda ke yin sulhu ta hanyar detoxification enzymes a cikin Aedes aegypti na iya ba da damar yin amfani da maganin kashe kwari yayin lokutan lokacin da mai rauni ya fi girma kuma aikin enzyme detoxification ya fi ƙanƙanta," in ji ta.
" Canje-canje na yau da kullum a cikin hankali na permethrin da maganganun kwayoyin halitta a cikin Aedes aegypti (Diptera: Culicidae) a Florida"
Ed Ricciuti ɗan jarida ne, marubuci, kuma masanin halitta wanda ya shafe fiye da rabin ƙarni yana rubutu. Littafinsa na baya-bayan nan shine Backyard Bears: Big Animals, Suburban Sprawl, da New Urban Jungle (Countryman Press, Yuni 2014). Sawun sa a duk faɗin duniya. Ya ƙware a yanayi, kimiyya, kiyayewa, da aiwatar da doka. Ya taba zama mai kula da dabbobi a New York Zoological Society kuma yanzu yana aiki da Ƙungiyar Kare namun daji. Wataƙila shi kaɗai ne a kan titin Manhattan ta 57 da wata riga ta cije shi.
An gano sauro Aedes scapularis sau ɗaya a baya, a cikin 1945 a Florida. Koyaya, wani sabon binciken samfuran sauro da aka tattara a cikin 2020 ya gano cewa sauro Aedes scapularis yanzu sun kafa kansu a yankunan Miami-Dade da Broward a cikin babban yankin Florida. [Kara karantawa]
Tushen da ke kan mazugi sun fito ne daga Amurka ta Tsakiya da Kudancin Amurka kuma ana samun su a wurare biyu kawai a cikin Amurka: Dania Beach da Pompano Beach, Florida. Wani sabon binciken kwayoyin halitta na mutanen biyu ya nuna cewa sun samo asali ne daga mamayewa guda. [Kara karantawa]
Bayan da aka gano cewa sauro na iya yin hijira mai nisa ta hanyar amfani da iska mai tsayi, bincike na ci gaba da fadada nau'o'in da nau'in sauro da ke cikin irin wannan hijira - abubuwan da ke da tabbacin za su dagula kokarin dakile yaduwar cutar zazzabin cizon sauro da sauran cututtukan da sauro ke kamuwa da su a Afirka. [Kara karantawa]
Lokacin aikawa: Mayu-26-2025