Mealy dew a kan petunias: rigakafi da kuma kula da matakan

Tare da kuskure kadan a cikin kulawa, ƙananan petunia fara fara cutar. Babban abokin gaba mafi banƙyama na furen shi ne faty mildew spores. Rashin haɗarin wannan cututtuka ya kasance a cikin alamun rashin ƙarfi - ko da lokacin da fararen fata ya bayyana a cikin ganyayyaki, yawancin masu shuka suna kuskuren gane shi a matsayin turbaya. Saboda lokacin da aka rasa, shuka zai iya mutuwa. Abin da za a yi a lokacin da mummunan cututtuka ya bayyana akan petunias, abin da alamun da ba a iya ganewa game da cutar da hanyoyin da ake samu ba - za'a tattauna wannan daga baya.

Menene haɗari kuma daga ina yake fitowa?

Fungal mycelium, waxanda suke da magunguna na cutar, suna rayuwa a cikin ƙasa kuma suna jin kansu a farkon sharadi masu kyau. Sau da yawa abubuwan da ke taimakawa wajen kunnawa wannan tsarin na parasitic sune ruwan sanyi da damuwa.

Shin kuna sani? Petunia ya fara gano shi daga masu kare dabbobi a Uruguay kewaye da shi kuma an ba da shi ga labaran Tobacco. Saboda haka, furen da aka kira asalin Nicotiana axillaris.

A cewar masana, kai ga ci gaba da foda powderyw zai iya:

• wuce kima yawan nitrogenous abubuwa a cikin tukunyar fure;
• rashin samun iska mai kyau na shuka, wadda ta haifar da tsire-tsire masu tsire-tsire (irin waɗannan samfurori dole ne a kara su);
• rashin yin amfani da ruwa, lokacin da mai sayad da furanni ya ba da izinin fatar ƙasa, sai ya zubar da ruwa, ko, a akasin haka, lokacin da yake moisturizes ba tare da jira jiragen saman ya bushe ba;
• yanayin yanayi mummunan yanayi, lokacin da iska ta kai sama da 60%, a zafin jiki na 15-25 ° C (wannan hanyar cutar ta shafi kawai petunias);
• gurbata ruwan ban ruwa;
• unguwa tare da tsire-tsire masu tsire-tsire ko lamba tare da hannaye da suka taɓa kamuwa da cutar;
• m rejuvenation na daji;
• sauyin canji a cikin zazzabi;
• yada ta iska na fungal microorganisms.

Yana da muhimmanci! Cikakken petunias ana cutar da su ta hanyar sprinkling tare da shirye-shirye na musamman da kuma watering. Game da tsire-tsire na cikin gida, ana kula da sill tare da sill, tukunya da tire.

Alamun bayyanar

Haka kuma cutar ta fara bayyana fararen fata a kan ƙananan matasan da ɓangaren ɓangaren tsire-tsire, kuma a tsawon lokaci ya kama shi gaba daya. Da farko, an bar ganye da ke kusa da kasar gona. A cikin farkon matakai na fungal mycelium, kananan droplets na danshi ne sananne a cikin wannan "turɓaya". Idan ka duba a hankali, to a kan lakaran launi, inda aka hade mycelium, za ka iya ganin kananan ulcers, saboda abin da petunia a kowace rana ya kara. Kana buƙatar yin aiki a farkon bayyanar cututtuka na kamuwa da cuta. In ba haka ba, al'ada za ta rage yawan rigakafi kuma rot zai ci gaba.

Har ila yau, magungunan man shade yana fama da ita daga cikin gida (violets, orchids, Kalanchoe) da furanni na lambu (wardi, hydrangeas, asters, phloxes).

Dokokin rigakafi da kuma tsarin injrotechnical

Don kada kayi la'akari da fararen farin a kan ganyayyakin petunia kuma karya kanka fiye da bi da shi, zaka iya rabu da fungi da kwayoyin resistant hybrids. Amma idan kun ƙunshi su da manyan ƙetare ka'idojin namo, koda kwayoyin kare rigakafi ba za su cece su ba.

Yana da muhimmanci! Lokacin da aka samo a cikin ganyayyun petunia, mycelium powdery mildew yana dakatar da fure daga spraying da ciyar tare da nitrogen. An cire shi daga wasu furanni akan wani shafin yanar gizo.

Sabili da haka, ba da kulawa da kwarewar shuka:

1. Yi mulki: ruwa da furanni kawai bayan bayanan saman saman da ya narke ya bushe. Ruwa don shayarwa ya kamata ya shirya da kuma dumi zuwa dakin zafin jiki.
2. Lokaci tsawon lokaci yana fitar da rukuni na rukuni kuma a kowane lokacin cire matattu kuma a cikin takarda tare da ganyayyaki.
3. Kada ku rage shi tare da nitrogen a lokacin da ake yin furanni, wannan lokacin yana da mahimmanci a yayin da aka samu peduncles.
4. Kada ka manta da gauraye masu potassium-phosphate, wanda masana suka bada shawara don ci gaba da ayyuka na rigakafin furen.
5. Bincika mai tushe kuma ya bar mako-mako, yana mai da hankali sosai ga ɓangaren tushen.
6. Lokaci-lokaci disinfect da shuka tare da biofungicides.

Hanyar gwagwarmayar da "scourge"

Lokacin da ya yi latti don aiwatar da matakan tsaro kuma akwai alamun rashin lafiya a kan flower, ci gaba da yin magani. Abu na farko da za a yi a irin wannan yanayi shi ne ya ware takalmin petunia daga makwabta makwabta. Yanke duk wuraren da aka shafa, koda kuwa ba su da lokacin yin bude buds. Wadannan sharan gona za su buƙaci a ƙone don kada su yada cutar a gonar.

Yana da muhimmanci! Ƙananan petunias, wanda aka kai hari ta hanyar powdery mildew, suna gaba daya cikin maganin maganin. Ta haka ne, an rarraba ƙasar da kuma koren kore.

Idan muna magana ne game da furen ɗakin, to dole ne a canza shi cikin sabo. A ƙasa a kusa da gonar petunias yafa masa da 2-cm Layer na itace ash. Ƙarin maganin cututtuka ya dogara da nauyin kamuwa da cuta da kuma abubuwan da kake so. Zaka iya amfani da magunguna don magance powdery mildew ko agrochemical abubuwa masu ƙirƙirar.

Mealy dew infects orchards (currants, gooseberries, inabi, peaches, apples, cherries) da gonar amfanin gona (cucumbers, tumatir, kabeji, karas, zucchini, melons).

Ajiye girke

Ana ba da shawara ga masu girbi masu kwarewa su nemi wannan kudaden don kare manufar rigakafi da kuma farkon matakan kamuwa da cutar. Sakamakon da ake so zai yiwu idan fungal mycelium ya kai hari ga koreyar ka har tsawon kwanaki 4. In ba haka ba, duk kokarin zai zama banza.

Idan kana da lokaci tare da kwanakin ƙarshe, gwada kokarin shirya "fashewar fashe" na itace ash. Don yin wannan, zaka buƙaci kawai 200 g na samfur, 5 lita na ruwa mai tsanani zuwa 40 ° C, da kuma 30 g na ruwa sabulu. Mix kome da kome, bari ya zauna kadan. Yayyafa tare da kwanakin kwana biyu kuma a hankali ku lura da yanayin shuka. Bugu da ƙari, ƙara 5 lita na ruwa zuwa sauran bayani da kuma zuba a kan rijiyar.

Shin kuna sani? An san sunan tauraron, wanda aka gano a 1921, bayan fure.

Wata madaidaicin bayani shine maganin aidin, wadda aka shirya a cikin wani rabo na 1 ml / 1 l. Soda ash kuma yana da tasiri sosai. 10 g na foda da 2 lita na ruwan zafi da 1 teaspoon na sabulu ruwa ya isa ga zalunta al'adu sau uku tare da mako-mako dazara. Tafarnuwa ko albasa za su yi amfani da ruwan zafi da kuma aidin Yuroin suna ba da kyakkyawan sakamako. Sakamako kawai na wannan hanyar ita ce buƙatar ta dagewar bayani don tsawon sa'o'i 48. Lokacin da kayan aiki ke shirye, injin zai buƙaci ƙwayoyi masu karfi.

Don hana yaduwa da kunnawa na mycelium fungal yana iya yiwuwa tare da bayani na potassium permanganate (potassium permanganate), madara da whey. A cikin nazarin, masu lura da gonaki suna lura da tasirin hanyoyin da ke sama kuma har ma sun kwatanta su tare da sangicides da aka sani. Alal misali, sun rubuta cewa kwayoyi "Phenarimol" da "Benomil" sun rasa tasiri tare da madara da aka shafe su da ruwa a cikin wani rabo na 1:10.

Shin kuna sani? Ma'aikata na kasashen waje waɗanda suka kware a cikin kayayyakin da ke cikin yanayi sun fi son samfurori don magance powdery mildew.

Shirye-shirye

Idan cutar ta cigaba da kimanin mako guda, zai zama wajibi ne a ajiye petunia tare da hade mai karfi ko kuma shirye-shiryen halitta. Daga yawan abubuwan da suka faru na agrochemistry, impeccable suna daga irin wannan:

1. Copper sulfate. An shirya maganin aiki a cikin wani rabo na 50 g da 10 l na ruwa. Ana bada shawarar yin amfani da ruwan sha don sau ɗaya kawai a kakar wasa, saboda haka yana da kyau a yi haka tare da manufar m a cikin bazara.
2. Sulfur colloid. Ya isa ya soke 30-50 g a cikin lita 10-guga na ruwa. Amma yanayin iska a lokacin aiki ba zai kasance ƙasa da 20 ° C, in ba haka ba za a hallaka naman gwari ba. A cikin zafin rana, lokacin da ma'aunin zafi ya tashi sama da 32 ° C, ya fi kyau a kiyarda sprinkling.
3. "Topaz". Don manufar magani, ana maganin maganin a cikin kashi 2 ml da 10 na ruwa. Ana maimaitawa a bayan kwana 3. Sai kawai 3 jiyya ne a yarda, amma sau da yawa flower recovers bayan na farko. Idan akwai prophylaxis, za a sake maganin rigakafi bayan kwanaki 12.
4. "Fundazol". Yana da magungunan sinadaran mahimmanci, amma, da rashin alheri, an sayar da ita ne kawai don a sayar da shi kawai a cikin manyan kunshe (5-20 kg kowace). An shirya maganin a kashi 10 g na 10 l. An yarda 2 sprinkling.

Shin kuna sani? Petunia ya shiga tsarin aikin lambu na wuri mai ban mamaki a 1834, lokacin da matasansa suka fara fure.

Daga cikin kwayoyin halittu masu mahimmanci suna jagorancin "Fitosporin", "Alirin-B", "Tsarin Mulki". Wadannan abubuwa sun fi dacewa da ƙuƙwalwar ganyayyaki fiye da magani. A kowane hali, dole ne a cire fure a cikin kariminci, don haka magungunan pesticide ya shiga duk sassan shuka da kuma cikin ƙasa.

A yanzu kun san yadda rashin asaly mealy da kuma yadda za a magance shi. Tabbas, yana da sauki sau da yawa don hana cutar fiye da warkewarta.