CLEMSON, SC - Kudzora nhunzi idambudziko kune vakawanda vanogadzira mombe dzenyama munyika yose. Horn flies (Haematobia irritans) ndihwo hupukanana hunonyanya kukanganisa hupfumi kuvagadziri vemombe, zvichiita kuti $1 bhiriyoni mukurasikirwa kwehupfumi kuindasitiri yezvipfuyo yeUS pagore nekuda kwehuremu, kurasikirwa neropa, uye kusagadzikana. nzombe. 1,2 Gwaro rino richabatsira vapfuri vemombe dzenyama kudzivirira kurasikirwa negoho kunokonzerwa nenhunzi dziri mumombe.
Hornflies dzinotora mazuva gumi kusvika makumi maviri kuti dzikure kubva pazai kusvika padanho revakuru, uye hupenyu hwevakuru hunosvika vhiki imwe kusvika ku2 uye dzinodya makumi maviri kusvika makumi matatu pazuva. 3 Kunyangwe zvipembenene zvakaiswa munzeve zvipembenene zvinoita kuti kudzora nhunzi kuve nyore. manejimendi zvinangwa, mugadziri wega wega achiri kufanira kuita sarudzo dzine chekuita nekubhururuka manejimendi. Kune marudzi mana makuru ezvipembenene ear tags zvichibva pane zvazvinoita. Izvi zvinosanganisira organophosphorus zvipembenene (diazinon uye fenthion), synthetic pyrethroids (mutton cyhalothrin uye cyfluthrin), abamectin (iyo itsva label type), uye matatu emishonga inonyanya kushandiswa. Rudzi rwechina rwemusanganiswa weagent. Mienzaniso yemisanganiswa yezvipembenene inosanganisira musanganiswa we organophosphate uye synthetic pyrethroid kana musanganiswa wesynthetic pyrethroid uye abamectin.
Ekutanga ma tag aivemo chetepyrethroid zvipembeneneuye aibatsira zvikuru. Makore mashomanana gare gare, nhunzi dzakatanga kusakurira mishonga inouraya zvipembenene yepyrethroid. Chinhu chakakosha chinokonzera kushandiswa kwakapararira uye kazhinji kusashandiswa zvisirizvo kwemavara epyrethroid. 4.5 Resistance management inofanirwa kuverengerwa mune cherokudzora nhunzichirongwa, zvisinei nechigadzirwa kana nzira yekushandisa. Pane zviitiko zvekurwisa kune akawanda ezvipembenene anoshandiswa kudzora nhunzi dzenyanga, kunyanya pyrethroids uye organophosphate insecticides. North Dakota ndiyo yakatanga kupa mazano ekubatsira kudzivirira kuvandudzwa kwenhunzi dzinouraya zvipembenene. 6 Shanduko dzezvikumbiro izvi zvinotsanangurwa pazasi kuti zvibatsire kudzora nhunzi zvine mutsindo ukuwo kudzivirira kukura kwezvipembenene zvisingauraye zvipembenene.
FARGO, ND - Nhunzi dzechiso, nhunzi uye nhunzi dzakatsiga ndidzo tupukanana twakawanda uye tinowanzo rapwa muindasitiri yezvipfuyo yeNorth Dakota. Kana zvikasatariswa, zvipembenene izvi zvinogona kukonzera kukanganisa kukuru pakugadzirwa kwezvipfuyo. Sezvineiwo, North Dakota State University Extension nyanzvi dzinoti nzira dzekugadzirisa zvipembenene dzinogona kupa kutonga kunoshanda. Nepo iyo yakabatanidzwa chipembenene […]
AUBURN UNIVERSITY, Alabama. Nhunzi dzechipfuramabwe dzinogona kuva dambudziko guru kumombe munguva yezhizha. Nzira dzinowanzo shandiswa kudzora nhunzi dzinosanganisira kumwaya, kupinza nekubvisa huruva. Zvakadaro, maitiro achangoburwa mukugadzirwa kwezvipfuyo kutsvaga dzimwe nzira dzekudzora nhunzi. Imwe nzira yakawana kutariswa kwenyika ndeyekushandiswa kwegariki, sinamoni uye […]
LINCOLN, Nebraska. Mukupera kwaNyamavhuvhu naGunyana vanowanzo ratidza nguva iyo nguva yekubhururuka kwemafuro inofanira kupera. Nekudaro, mukati memakore mashoma apfuura, kudonha kwedu kwagara kuchidziya, dzimwe nguva kusvika kutanga kwaMbudzi, uye nhunzi dzakagara pamatambudziko kwenguva refu kupfuura nguva. Zvinoenderana nehuwandu hwekufanotaura kwemamiriro ekunze, kudonha kuri kuuya hakuzodaro. Kana […]
MARYVILLE, Kansas. Kwete nhunzi chete dzinogumbura, asi dzinogonawo kuva nengozi, pasinei nokuti dzinokonzera kuruma kunorwadza kunokanganisa kukwanisa kwebhiza rako kukwira, kana kuti dzinoendesa zvirwere kumabhiza nemombe. “Nhunzi dzinonetsa uye dzinonetsa kudzora. Kazhinji hatigone kuvadzora nemazvo, tinongo […]
Nguva yekutumira: Jun-17-2024