Whitefly ƙananan kwari ne wanda yake ciyarwa a kan ruwan 'ya'yan itace na tsire-tsire kuma yana haifar da bushewa da mutuwa. Game da nau'i 200 na wadannan kwari suna saninsu, wuraren su ne yankuna masu dumi na duniyar, amma yawancin su shine launin greenhouse, wanda ke kan kayan lambu da kuma tsire-tsire.
Menene fadar launin fata yake kama?
Kwararrun whitefly yayi kama da kananan asu na launi launi. Ba su da kyau, saboda sun boye a cikin cikin ganyayyaki, kuma girmansu ƙananan ne - kawai 2 mm a tsawon. Adult mutane sa qwai a kan ganyen siffar zobe, daga wanda wayar salula ta filaye, wanda ya sami wuri mai dacewa don abinci a kan shuka kuma an gyara shi a can. Gland na tarwatse daga cikin tsutsa ya saki wani abu mai mahimmanci wanda ya gyara shi a kan ganye kuma ya kare shi daga tasirin waje. A sakamakon tsotsa, tsarin aiwatar da suturar kwayoyin tsofaffin kwari - fuka-fuki, paws, antennae - yana faruwa. A wannan lokacin da abinci ya tsaya.
A mataki na fitowa daga tsutsa, whiteflies suna kama da hatsin launin toka. Suna haɗuwa da tsire-tsire kuma suna sha ruwan 'ya'yan itace. A wannan lokaci na ci gaba, an rufe su da takunkumi mai mahimmanci, wanda ke sanya sabbin shirye-shirye daga whitefly da sauran matakan tasiri.
Don fahimtar yadda ake magance whitefly, ya kamata ya san manyan alamun shan kashi na tsire-tsire:
- shafi na shuka, za ku ga yadda kwari ya tashi;
- a gefen ɓangaren ganye a cikin kwalliya, siffofi mai haske, wanda ƙwayoyin namomin kaza ninka, saboda sakamakon abin da ganye ke farawa ya fara fari, sa'annan ya juya baki;
- a sakamakon cutar cututtuka na shuke-shuke, ɗauke da whiteflies, ganye da kuma mai tushe iya deform, harbe iya dakatar da girma.
Saboda haka, kwari zai iya lalata, don haka, a cikin hadaddun: yana ciyarwa a kan ruwan 'ya'yan itace, wanda yawancin abin da aka ba shi a matsayin "dew dew", wanda shine yanayi mai kyau don ci gaban naman gwari. Bugu da ƙari, ƙwayar da aka raunana yana da saukin kamuwa da cututtukan cututtuka, wanda kuma whitefly ya yi fushi kuma idan bai dauki matakan kulawa ba, zai iya kawo karshen mummunar amfanin gona da shuka.
Yadda za a kawar da whitefly?
Tare da shan kashi na kayan lambu da wasu tsire-tsire masu tsire-tsire, ana amfani da whitefly ne ta hanyar gwajin gwagwarmayar gwagwarmaya a cikin gine-gine, wato spraying tare da kwari. Don yin wannan, amfani da magungunan kwayoyi, Verticillin G, Confidor, Mospilan, Pegasus, Fufanon, Phosbocide. An yi jima'i da kulawa bisa ga umarnin. A wannan yanayin, an ba da shawarar sosai kada ta wuce yawan adadin samfurori.
Yakin da fararen fararen fata
Hanyar da ta fi sauƙi, wanda zai iya ba da sakamako mai mahimmanci - canja wurin shuka a cikin daki mai zafi, wadannan kwari ba su jure wa mahaifa. Duk da haka, kafin amfani da wannan hanya, ya kamata ka gano ko wannan zai shafi shuka kanta.
Mafi kyau a cikin manoman truck suna jin dadin tarwatse. Don yin wannan, ɗauka wani plywood, zane shi a cikin launi mai haske mai haske kuma yada wani abu gluey - rosin, man fetur , zuma. Whiteflies, janyo hankalin da haske daga cikin surface, zauna a kai da kuma tsayawa. Lokaci-lokaci, wajibi ne a wanke shi kuma a sake sake shi. Hakanan zaka iya amfani da tarkon da aka shirya ko ɗauka tef don kwari.
- jiko yarrow - 80 grams na ganye da lita na ruwa, nace a rana. Tsire-tsire tare da manyan ganye za a iya goge tare da swab auduga tsoma a cikin jiko. Tsire-tsire tare da kananan ganye suna fesa;
- sabulu bayani ya zama mai karfi, a cikin wani rabo na 1 ɓangare na crushed sabulu zuwa 6 sassa na ruwa;
- tafarnuwa jiko - wani tablespoon na yankakken tafarnuwa zuba a lita na ruwa da kuma nace a rana.