Kuthana ndi Ntchentche: Kulimbana ndi Tizilombo

CLEMSON, SC - Kuwongolera ntchentche ndizovuta kwa ambiri opanga ng'ombe za ng'ombe m'dziko lonselo.Ntchentche za Horn (Haematobia irritans) ndizomwe zimawononga kwambiri zachuma kwa opanga ng'ombe, zomwe zimapangitsa $ 1 biliyoni kuwonongeka kwachuma kumakampani ang'onoang'ono aku US chaka chilichonse chifukwa cha kunenepa, kutaya magazi, komanso kupsinjika.ng'ombe.1,2 Bukhuli lithandiza alimi a ng'ombe za ng'ombe kuti apewe kuonongeka kwa ng'ombe chifukwa cha ntchentche zamanyanga.
Ntchentche zimatenga masiku 10 mpaka 20 kuti zikule kuchokera ku dzira kufika pa msinkhu wachikulire, ndipo moyo wa munthu wamkulu ndi pafupifupi sabata imodzi kapena ziwiri ndipo zimadyetsa 20 mpaka 30 patsiku.3 Ngakhale zolembedwa m'makutu zokhala ndi tizilombo zimathandizira kuwongolera ntchentche mosavuta.zolinga za kasamalidwe, wopanga aliyense amayenera kupanga zisankho zokhudzana ndi kayendetsedwe ka ndege.Pali mitundu inayi ikuluikulu ya makutu ophera tizilombo kutengera zomwe zimagwira.Izi zimaphatikizapo mankhwala ophera tizilombo a organophosphorus (diazinon ndi fenthion), ma synthetic pyrethroids (mutton cyhalothrin ndi cyfluthrin), abamectin (mtundu watsopano wa lebulo), ndi atatu mwa mankhwala omwe amagwiritsidwa ntchito kwambiri.Mtundu wachinayi wa kuphatikiza wothandizira.Zitsanzo za kuphatikiza kwa mankhwala ophera tizilombo kumaphatikizapo kuphatikiza kwa organophosphate ndi synthetic pyrethroid kapena kuphatikiza kwa synthetic pyrethroid ndi abamectin.
Zolemba m'makutu zoyamba zinali zokhamankhwala a pyrethroidndipo zinali zothandiza kwambiri.Patangotha ​​zaka zochepa, ntchentche zinayamba kukana mankhwala ophera tizilombo.Chomwe chimathandizira kwambiri ndikugwiritsa ntchito kwambiri komanso kugwiritsa ntchito molakwika zilembo za pyrethroid.4.5 Kuwongolera kukaniza kuyenera kuphatikizidwa mu chilichonsekuwongolera ntchentchepulogalamu, mosasamala kanthu za malonda kapena njira yogwiritsira ntchito.Pali milandu yolimbana ndi mankhwala ambiri ophera tizilombo omwe amagwiritsidwa ntchito polimbana ndi ntchentche, makamaka pyrethroids ndi organophosphate.North Dakota inali yoyamba kupereka malingaliro othandizira kuletsa kukula kwa ntchentche zolimbana ndi tizilombo.6 Zosintha pamalangizowa zafotokozedwa pansipa kuti zithandizire kuwongolera ntchentche zamanyanga ndikuletsa kukula kwa anthu omwe samva mankhwala.
FARGO, ND - Ntchentche za nkhope, ntchentche za nyanga ndi ntchentche zokhazikika ndizo tizilombo tomwe timakonda kwambiri komanso tizilombo toyambitsa matenda ku North Dakota.Ngati sitisamala, tizirombozi titha kuwononga kwambiri ziweto.Mwamwayi, akatswiri aku North Dakota State University Extension amati njira zoyenera zothanirana ndi tizirombo zitha kuwongolera bwino.Pomwe tizilombo tophatikizidwa […]
AUBURN UNIVERSITY, Alabama.Ntchentche za Slingshot zimatha kukhala vuto lalikulu kwa ziweto za ng'ombe nthawi yachilimwe.Njira zomwe zimagwiritsidwa ntchito kwambiri polimbana ndi ntchentche ndi monga kupopera mbewu mankhwalawa, leaching ndi kufumbi.Komabe, njira yaposachedwapa yoweta ziweto ndiyo kupeza njira zina zopewera ntchentche.Njira imodzi yomwe yachititsa chidwi dziko lonse ndi kugwiritsa ntchito adyo, sinamoni ndi […]
LINCOLN, Nebraska.Chakumapeto kwa Ogasiti ndi Seputembala nthawi zambiri amakhala nthawi yomwe nyengo ya ntchentche za msipu iyenera kutha.Komabe, m'zaka zingapo zapitazi, kugwa kwathu kwakhala kotentha nthawi zonse, nthawi zina kumayambira kumayambiriro kwa November, ndipo ntchentche zakhala zikukhala zovuta kwambiri kuposa nthawi zonse.Malinga ndi zoneneratu zanyengo zambiri, kugwa komwe kukubwera sikudzakhalanso chimodzimodzi.Ngati […]
MARYVILLE, Kansas.Sikuti ntchentche zimakwiyitsa, komanso zimakhala zoopsa, kaya zimayambitsa kuluma kowawa komwe kumalepheretsa kavalo wanu kukwera, kapena kufalitsa matenda kwa akavalo ndi ng'ombe.“Ntchentche ndizovuta komanso zovuta kuzilamulira.Nthawi zambiri sitingathe kuwawongolera moyenera, timango […]