Jarabawa suna haifar da mummunar lalacewa ga amfanin gonar lambu.
Kuma mutane da yawa suna da wata tambaya idan wani yaro ya fara "Ta yaya za a magance ta?".
Don magance su, kana buƙatar sanin sifofin su.
Alal misali, karas sukan lalata kwari da karas.
Wannan kwaro yana da hatsarin gaske, saboda haka masu lambu su kula da amfanin gona. Sabili da haka amsar tambayar "yadda za a magance karas a cikin gonar?".
Bayyana kwari
Carrot tashi - black insect samu a ko'ina a Turai na Rasha. Tsawon jikinta shine 4.5-5 mm.
Fuka-fukin kwari suna da gaskiya, kuma kai da kafafu suna rawaya. Shekaru na kwari, dangane da yankin, farawa a cikin shekara ta biyu na watan Mayu. A matsayinka na mai mulki, farkon flowering na dutse da bishiyoyi da bishiyoyi suna zama jagora.
Fly larvae na da tsawon 6-7 mm. An shafe jikinsu a cikin launi mai launin rawaya, ana elongated, tare da ƙarancin dulled.
Nan gaba za ku ga hoto na kwari na carot:
Life sake zagayowar
An kwantar da ƙwayar kwari a cikin ƙasa a cikin nau'in red. Idan ba zato ba tsammani akwai samfurori a fagen, tsumburan da suka tsira a cikinsu zasu iya samun nasara a kan nasara.
Lokacin da iska ta isa + 15-17 ° C kwari fara. Wannan dabba yana son inuwa, an samo shi a cikin damp, shaded wurare, kusa da ruwa da kuma hedges sanya daga rayuwa shrubs. A cikin buɗewa, ƙuƙwalwar bata aikata mummunar cutar.
An cire kwari sa qwai a watan Mayu: daga ranar 15 zuwa karshen watan. Idan marmaro ya yi sanyi, damuwa zai iya faruwa a farkon Yuni, lokacin da wasu ganye sun bayyana a cikin karas. Mata suna sa qwai a ƙasa kusa da tsire-tsire.
Kowane kwari yana rayuwa kimanin kwanaki 12. Lokacin kwanakin rani da kwanciya suna da watanni 1-1.5.
Larvae bayyana a ranar 4 zuwa 17 bayan da aka fara qwai. Ya dogara da zafin jiki. Suna ciyar da kayan lambu na tsire-tsire na kimanin makonni uku, bayan haka sun fara zuwa cikin ƙasa, inda suka fara farawa.
Bayan zuwan, kwari suna ficewa zuwa fuskar. Suna samar da ƙarni na biyu na kwari na kwari. Yaransu sun fara a tsakiyar watan Yuli kuma ya ƙare a tsakiyar watan Agusta..
Mata suna sa qwai a cikin amfanin gona mai girma. A cikin fall, wasu daga cikin larvae suna da lokaci don yarinya, yayin da wasu tare da amfanin gona sun fada cikin ajiya, inda suke ci gaba da lalata shi, ciyar da ruwan 'ya'yan itace.
Abin da dabbobi ke ci?
Larvae da ke ci gaba daga qwai, Nan da nan sai ku shiga cikin tsire-tsire. Yawancin lokaci sukan shiga dabarun tushensu. Suna gnaw a gare su motsa cewa saya wani mummunan inuwa na tsatsa. Girman noma sunyi kama da zabin, zama m.
Waɗanne tsire-tsire suna iya lalatawa?
Wannan kwari rinjayar ba kawai karas ba. Daga kasancewa iya shan wahala parsnip kuma selerida faski.
A tashi musamman Yana son rigar da shaded wurare. Yana cikin irin wuraren yana haifar da babbar lalacewar amfanin gona.
Yana da muhimmanci: idan ka dasa albarkatun tafarnuwa ko albasa tare da karas, zai taimaka wajen kashe ƙanshin karas, wanda ke janyo hankalin kwaro, da kuma adana amfanin gona.
Alamun kamuwa da cuta
Don sanin cewa wannan ƙuƙwalwar yana shafar tushen, za ka iya kan waɗannan filaye:
- ganye daga cikin shuka sun zama m a launi, bayan haka sun juya launin rawaya da bushe;
- a kan kayan lambu mai tushe, wurare masu banƙyama suna bayyane, ƙuƙwalwar ƙetare;
- Carrot ya zama mummuna, akwai furtawa akan shi.
Idan shuka ya lalace sosai, zai iya mutuwa. Yawancin lokaci, lalacewar asalinsu yana kusa da mahimmin ci gaba. A cikin shaguna na kayan lambu, larvae sun fashe daga karamin daya zuwa wani, suna shiga cikin zuciyar. A halin yanzu, lalacewar ta kama da waɗanda aka yi amfani da su ta hanyar waya.
Hanyar gwagwarmaya da rigakafin
Yadda za a kare karas daga kwari na karas? Don hana karas da sauran kayan lambu daga wannan tashi, dole ne a dauki wadannan matakai:
- zabi iri-iri iri-iri: Wadannan su ne Vitamin 5, Calgeri F1, Kammalawa;
- kauce wa wurare mai duhu da kuma wuraren da ake ji dashi lokacin dasa shuki karas;
- Shuka al'adun ba lokacin farin ciki ba: yana shafi dill, seleri, faski;
- tsari da kwayoyin halitta: trichodermine, da azotofit, phytocide-p;
- tono mai zurfi mai zurfi a cikin fall, juya yadudduka a kan don haka kwari a cikin bazara ba zai iya samun zuwa surface;
- Abincin ruwa mai kyau;
- karas a kan gadaje inda tumatir, tafarnuwa ko albasa sun girma.
Don magance kararraki da tsayayye tare da ma'anar daraja yana hada da wadannan:
- Dusting amfanin gona tare da taba taba, baki ko ja barkono, bushe mustard.
- Jiko na wormwood: don shirye-shiryensa, guga mai-lita 10 cike da wormwood ne kuma ana ci da ciyawa ta ruwan zãfi. Bayan sanyaya, da jiko an raba shi zuwa sassa 3 kuma a diluted tare da kowane lita 8 na ruwa. Ma'anar ma'ana shine watering da gadaje, da kuma wormwood da suka rage bayan an gyara jigon an saka shi a tsakanin su.
- Gudun tumatir: 4 kg na sama ana zuba tare da lita 10 na ruwa da tafasa don kimanin awa 5. Yi nazari da broth, ƙara 50 ml sabulu a cikin ruwa, ta tsallaka da kashi 3 na ruwa kuma yada gadaje tare da shi.
Don cimma sakamako mai kyau, amfanin gona ya kamata a sarrafa kowane wata. Tabbatar da duk dokoki za su gaya maka yadda za a kawar da karamar kwari a gonar. Hanyar da za ta kasance mai sauƙi da kariya game da tashi zai ba ka damar samun girbi mai kyau kuma ajiye shi a cikin tsakar hunturu.
A ƙarshe mun ba ka bidiyon game da zaɓin karas da ke kan karas:
