CLEMSON, SC - Kudzora nhunzi idambudziko kune vazhinji vanogadzira mombe dzemombe munyika yese. Nhunzi dzenyanga (Haematobia irritans) ndidzo zvipembenene zvinonyanya kukanganisa hupfumi hwevarimi vemombe, zvichikonzera kurasikirwa kwehupfumi kwemadhora bhiriyoni imwe chete pagore kuindasitiri yezvipfuwo yeUS nekuda kwekuwedzera uremu, kurasikirwa neropa, uye kushushikana. 1,2 Chinyorwa ichi chichabatsira vagadziri vemombe dzenyama kudzivirira kurasikirwa kwekugadzirwa kunokonzerwa nenhunzi dzenyanga mumombe.
Nhunzi dzinotora mazuva gumi kusvika makumi maviri kuti dzikure kubva pakukura kusvika pakukura, uye hupenyu hwemunhu mukuru hunenge vhiki imwe kusvika mbiri uye dzinodya ka20 kusvika makumi matatu pazuva. 3 Kunyangwe matinji eave akaiswa mushonga wezvipembenene achiita kuti zvinangwa zvekutonga nhunzi zvive nyore, mugadziri wega wega anofanira kuita sarudzo dzine chekuita nekutonga nhunzi. Kune mhando ina huru dzematinji eave ezvipembenene zvichibva pane zvinoumba zvinoshanda. Izvi zvinosanganisira mishonga yezvipembenene inonzi organophosphorus (diazinon nefenthion), mishonga yezvipembenene inonzi synthetic pyrethroids (mutton cyhalothrin necyfluthrin), abamectin (rudzi rutsva rwezita), uye mitatu yemishonga yezvipembenene inonyanya kushandiswa. Rudzi rwechina rwemusanganiswa wemishonga. Mienzaniso yemusanganiswa wemishonga inosanganisira musanganiswa we organophosphate ne synthetic pyrethroid kana musanganiswa we synthetic pyrethroid ne abamectin.
Matagi enzeve ekutanga aingova nemishonga yezvipembenene inonzi pyrethroiduye zvaishanda zvikuru. Makore mashoma gare gare, nhunzi dzenyanga dzakatanga kusakwanisa kurwisa zvipembenene zvepyrethroid. Chinhu chikuru chinokonzera izvi kushandiswa kwakapararira uye kushandiswa zvisirizvo kwemavara epyrethroid. 4.5 Kudzora kusagona kurwisa kunofanira kubatanidzwa mune cherokudzora nhunzichirongwa, zvisinei nechigadzirwa kana nzira yekushandisa. Kune zviitiko zvekusagona kurwisa mishonga yakawanda inoshandiswa kudzora nhunzi dzenyanga, kunyanya pyrethroids uye organophosphate zvipembenene. North Dakota ndiyo yakatanga kupa mazano ekubatsira kudzivirira kukura kwehuwandu hwenhunzi dzenyanga dzisingarapike. 6 Shanduko kumazano aya dzakatsanangurwa pazasi kuti dzibatsire kudzora nhunzi dzenyanga zvinobudirira uku dzichidzivirira kukura kwehuwandu husingarapike zvipembenene.
FARGO, ND - Nhunzi dzechiso, horn flies uye stable flies ndidzo zvipembenene zvinonyanya kurapwa uye zvinonyanya kurapwa muindasitiri yezvipfuyo yeNorth Dakota. Kana zvikasadzorwa, zvipembenene izvi zvinogona kukonzera kukuvara kukuru mukugadzirwa kwezvipfuyo. Nerombo rakanaka, nyanzvi dzeNorth Dakota State University Extension dzinoti nzira dzakakodzera dzekutarisira zvipembenene dzinogona kupa kudzora kunobudirira. Kunyange zvazvo zvipembenene zvakabatanidzwa […]
AUBURN UNIVERSITY, Alabama. Nhunzi dzinoshandiswa nesimbi dzinogona kuva dambudziko guru kumapfuyo emombe munguva yezhizha. Nzira dzinowanzo shandiswa dzekudzivirira nhunzi dzinosanganisira kupfapfaidza, kubvisa tsvina uye kupukuta guruva. Zvisinei, mafambiro ezvipfuyo matsva ndekutsvaga dzimwe nzira dzekudzivirira nhunzi. Imwe nzira yave kukwezva kutariswa kwenyika ndeyekushandisa gariki, sinamoni uye […]
LINCOLN, Nebraska. Kupera kwaNyamavhuvhu naGunyana kunowanzova nguva iyo mwaka wenhunzi dzemafuro unofanira kupera. Zvisinei, mumakore mashoma apfuura, mwaka wedu wekudonha kwemvura wagara uchidziya, dzimwe nguva uchienda kutanga kwaMbudzi, uye nhunzi dzagara dziri padanho rematambudziko kwenguva yakareba kupfuura zvakajairika. Sekureva kwekufanotaura kwemamiriro ekunze kwakawanda, mwaka wekudonha kwemvura uri kuuya hauzove musiyano. Kana […]
MARYVILLE, Kansas. Nhunzi hadzingotsamwisi chete, asi dzinogonawo kuva nengozi, dzingave dzichikonzera kurumwa kunorwadza kunokanganisa kugona kwebhiza rako kutasva, kana kuti dzinotapurira zvirwere kumabhiza nemombe. “Nhunzi dzinonetsa uye dzakaoma kudzora. Kazhinji hatigone kudzidzora zvakanaka, tinongo […]
Nguva yekutumira: Chikumi-17-2024