Mene ne fatal mildew kuma me ya sa ya bayyana a kan petunias? Yadda za a magance cutar?

Petunia mai haske, mai kyau da tsayi mai tsayi. Wadannan furanni ba cikakke ba ne kawai don yin ado a cikin gonar gonar, amma har ma da birane na birni. Tare da dan kadan kulawa da kuma dace dressing petunia iya jin daɗi tare da flowering daga farkon lokacin rani zuwa marigayi kaka. Amma, duk da rashin lafiyarta, wannan furen har yanzu yana cutar da shi. Daya daga cikin cututtuka mafi hatsari ga petunias shine powdery mildew.

Mene ne?

Mildew wata cuta ce wadda ta shafi shuke-shuke.. Haka kuma cutar ta lalacewa ne ta hanyar fungi, da kuma yanayin da zai iya haifar da mutuwar shuka. Ba a zabi a cikin abubuwan da yake so ba kuma zai iya rinjayar babban adadin tsire-tsire, daga kayan ado ga kayan lambu da amfanin gona.

Hotuna

Sa'an nan kuma zaku ga hoto na powdery mildew a kan petunia:

Dalilin

Yawancin lokaci, cutar tana tasowa a yanayin yanayin yanayi da rashin kulawar tsire-tsire. A naman gwari kanta zaune a cikin ƙasa. Ba ya bayyana kansa a cikin yanayi mai dumi da bushe, idan ana kula da ka'idojin kulawa da kyau. Amma idan yanayi bai zama mara kyau ba, dukkanin yankunan karkara suna ci gaba, wanda ke da sauri a haɗakar da shuka.

Fungi - parasites suna ciyar da sashin shuka, ba tare da abinci ba. Sanadin cututtuka yakan zama:

• Cool weather da kuma high zafi. Idan har akwai hasken hasken rana, yanayin yanayin lafiya na girma ya zama mara kyau.
• Babban nitrogen a cikin ƙasa.
• Tsarin tsire-tsire na tsire-tsire, sabili da haka, rashin iska a tsakanin su.
• Yanayin yanayi ba a kiyaye shi ba. Kada ku sha ruwa da tsire-tsire sau da yawa. Har ila yau, ba a yarda da ambaliyar ruwa ba bayan dadewa mai tsawo. Wadannan ayyuka sun lalata kariya ta shuka, kuma, kamar yadda ka sani, cututtuka mafi rinjaye sukan shafar dasa.

Lokacin da aka samo a kan tsire-tsire masu tsire-tsire masu rauni, to yana da mahimmanci a tuna cewa wata hanya ta yada cutar ita ce ɗaukar spores a cikin iska.

A lokacin kula da tsire-tsire, ya isa ya taɓa magungunan waxannan cututtukan sa'an nan kuma ya taɓa lafiyar daya - kamuwa da cuta tare da powdery mildew yana faruwa.

Yaya za a tantance cutar?

Cikar foda a kan ganyen Petunia ya bayyana farin fure. A matakin farko na cutar, ya fi dacewa da wani wanda ya yalwata ganye tare da gari ko kuma da sukari. Amma akasin haka, cutar tana hanzari zuwa furanni da buds.

Maganin maniyyi yana ci gaba da sauri sosai, kamuwa da cutar ya juya launin rawaya kuma ya fadi. Yayinda shuka yana da lokaci don yayi girma da sababbin ganye, suna da kyakyawan nauyin da ke ciki. A cikin kwanaki biyu kawai, cutar zai iya shafar dukan saukowa na petunias. Idan magani ya yi marigayi, injin ya mutu.

Yadda za a yakar?

Yadda za a kawar da wannan cutar? Da zarar fararen farin an samo a jikin ganyen Petunia, wajibi ne a fara fara maganin shuka:

1. Mataki na farko shi ne ya yanke wuraren da aka shafa kuma ya ƙone su don kada kamuwa da cuta ya yada gaba.
2. A ƙarƙashin shuka ya zama wajibi ne don yanke saman Layer na ƙasa kuma maye gurbin shi tare da sabon saiti, impregnated tare da wakili antifungal.
3. A shuka kanta an yadu da wani fungicide.

Magunguna suna amfani da su a yakin da ake fama da su. Kafin amfani da mafita, ana cire magungunan cututtukan tsirrai a nan farko.

Kodayake gaskiyar cewa ba a karba spraying ba a lokacin kamuwa da cuta tare da foda, kafin wadansu shirye-shirye masu fadi, masu nasara sunyi nasarar yaki da cutar tare da taimakon spraying:

1. Copper sulfate magani. Don 5 lita na ruwa, kai 5 g na jan karfe sulphate, ƙara 50 g sabulu da kuma Mix sosai. Sakamakon bayani don aiwatar da shuka sau daya a mako har wata guda.
2. Potassium permanganate. A cikin lita 10 na ruwa, narke game da 3 g na manganese, aiwatar da shuka sau 3-4 kowace kwana 5 tare da wannan bayani.
3. Soda Ash. Shirya soda bayani: don lita 5 na ruwan zafi, ɗauki 2 tablespoons na soda da 1 tablespoon na shirya zane sabulu. Gurasar Petunia ta yayyafa dumi bayani sau 3 a cikin kwanaki 7.
4. Dairy whey. Tsarka 1 lita na magani a cikin lita 10 na ruwa da kuma fesa da tsire-tsire tare da wannan bayani.
5. Doard foda. Narke 2 tablespoons na mustard foda a lita 10 na Boiled ruwa. Za'a iya shayar da shayar da kuma shayar da shi da petunias.

Sun fi karfi a cikin yakin da ake fama da su da kuma yaduwar cutar a matakin salula. Bi da sallarka a cikin maraice da rashin iska, yanayin bushe.

Abin da za a aiwatar: kwayoyi

• An san shi da yawa a cikin yaki da miyagun ƙwayoyi masu linzami na foda da ƙwayoyin cuta "Topaz", farashin da ya rage shine 75 rubles.
• Kyakkyawan magani "Yayi sauri", kimanin farashin shi ne 25 rubles.
• Popular tare da lambu don lura da powdery mildew "Asusun ajiya". Akwai shi a cikin fom din, farashin yana da kimanin rubles 40.
• "Vitaros"- Wani furotin na musamman don magance fatalwakin foda.Yawan farashin 50 - 60 rubles.

Tsarin kariya

Hanya mafi kyau don magance matsalar powdery mildew shine hana cutar. Hakika, don kauce wa matsalolin, za ka iya shuka iri-iri da suka dace da cutar cututtuka. Amma idan ba ku bi ka'idodi na farko a kula da tsire-tsire ba, to, tsire-tsire da rigakafin kwayoyin ba zai hana cutar ba. Saboda haka, da farko, kokarin samar da tsire-tsire da kulawa mai kyau:

1. Ruwa da man fetur kawai bayan tabbatar da cewa dunƙuler ƙasa ya bushe, amma ba bushe ba. Yi amfani da dumi, ruwa mai tsabta don shayar da tsire-tsire.
2. Dogaro dole ne a yi amfani da shi lokaci-lokaci, cire, da farko, sluggish harbe.
3. Yayin da ake ciyar da petunias, ci gaba da tsinkaya kuma kada a dauke su tare da takin mai magani na nitrogen.
4. Ka ba da fifiko ga haɗin gurasar potassium-phosphorus, suna taimakawa wajen ci gaba da rigakafi na petunias.
5. Kowace rana, bincika sauko da petunias.
6. Gudanar da tazarar lokaci na tsire-tsire da tsire-tsire. Zai yiwu a yi amfani da "Fitosporin" ko "Daidaitaccen".

Ta hanyar yin la'akari da waɗannan dokoki masu sauki, zaka iya ba da tsire-tsire tsawon rai, kuma ka ba kanka farin ciki na sakamako mai kyau na aikinka.

Zai fi kyau don hana cutar fiye da yakin ta. Kada ka manta game da rigakafin cututtukan cututtuka, sa'an nan kuma ba dole ba ne ka yi amfani da shirye-shiryen kayan haɗari a shirye-shiryenka. Amince da fasaha na aikin gona zai taimaka, idan ba gaba daya guje wa cutar ba, to, rage yiwuwar su 90% daidai.

Masana ilimin sanin wannan mafi yawancin cututtuka suna ci gaba a kan tsire-tsire saboda rashin kulawa. Yi hankali ga kayan shuka, ka dauki lokaci kadan don dubawa na tsire-tsire, kuma za su gode maka saboda furancinsu, zama mai ado na gaskiya don flowerbeds da baranda.