Maƙarƙashiya mai yalwace cuta ce wadda ta haifar da wata launin foda mai launin fatar ko fari a kan ganye da kuma magungunan shuke-shuke da suka kamu da cutar. Magungunan ƙwayar cuta mai laushi yana farawa ne kamar 'yan spores a kan ganye amma da sauri yada. Farin foda mai tsabta shine murfin kwanciya na fungi. Da fungi sauƙi overwinters a cikin lambu tarkace, kuma haka ne da wuya a kawar da gaba ɗaya. Yana iya haifar da launin yellowing da ganye da ƙananan leaf drop.
Tsire-tsire da aka yi da Powdery Mildew
Kamar yadda mutane da yawa sun sani, powdery mildew yana bunƙasa cikin yanayi mai dadi da yanayin zafi. Dabbobi daban-daban na fungi a cikin tsari Erysiphales na iya haifar da cutar, kodayake cututtuka suna kama da juna. A kowane yanki tare da lokacin bazara mai zafi, mai fatalwa kusan kusan yana haifar da bayyanar. Duk da yake yana iya shafar kowane tsire-tsire, akwai wasu nau'in da ya fi kamuwa da kamuwa da cuta mai tsanani:
- Apples
- Begonia
- California poppy
- Dahlia
- Delphinium
- Hollyhock
- Hydrangea
- Lilacs
- Monarda
- Oak
- Phlox
- Roses
- Strawberries
- Zinnia
Damage ga shuke-shuke
A lokuta da dama, faty mildew ba zai lalata tsire-tsire ba kuma yana da ban sha'awa. Wasu tsire-tsire suna da saukin kamuwa da powdery mildew cewa kusan abu ne wanda ba a iya farfadowa; ya kamata ku yi tsammanin wannan sakamakon idan kun za i su girma wadannan nau'in. Yawancin lambu sun yi watsi da gaskiyar cewa powdery mildew zai yi bayyanar kusan kowace shekara kuma kada ku damu don yin yaki da shi gaba daya.
Amma banda kasancewa marar dadi ba, mai fatalwa zai iya, a cikin matsanancin hali, haifar da rawaya da kuma faduwa; tsire-tsiren shuka girma; murdiya na buds, blooms da 'ya'yan itace. da kuma gaba daya raunana da shuka.
Cutar Rayuwa
Spores of powdery mildew overwinter a kan waxannan cututtukan sassa kuma fara asexual samar da sabon spores sau ɗaya yanayi weatherms.
Sabbin spores suna ɗauke da iska zuwa wasu sassa na shuka ko zuwa wasu tsire-tsire masu kusa. Spores ba da daina samar da karin kayan ciki ba, don haka idan kamuwa da ganye ba a lalace ba, matsalar ba za a iya kawar da ita ba kuma zai kara muni.
Jiyya da Rigakafin
Cikakken foda yana ci gaba a cikin yanayin zafi tsakanin 60 F da 80 F kuma musamman a lokacin yanayin zafi (amma ba ruwan sama) da kuma wurare masu ɓoye tare da rashin iska. Magunguna masu amfani da kwayoyi suna da tasiri akan powdery mildew; mafi kyau dabarun su ne mafi ingancin yanayi, irin su cirewa da kuma lalata tsire-tsire masu tsire-tsire da tsire-tsire.
Samar da tsire-tsire masu cuta da kuma tabbatar da cewa izinin iska mai kyau shine hanyoyi guda biyu don karewa daga powdery mildew. Wasu hanyoyin sarrafawa don kiyaye powdery mildew a rajistan sun hada da:
- Tsire-tsire iri iri da suka fi dacewa a wani wuri inda zasu iya karɓar safiya da safe. Wannan zai bada izinin sanyaya da kuma raɓa don bushe da sauri kuma rage yanayin da zai damu da naman gwari.
- Haɓaka iska ta wurare dabam dabam ta hanyar tsire-tsire da tsire-tsire. Karfin iska mai kyau ya rage cutar. Tsire-tsire masu tsire-tsire za a iya ƙaddamar su don inganta iska.
- Tana lura da tsire-tsire akai-akai a lokacin dumi, yanayin bushe, da kuma cire duk wani ganye da ke nuna alamun kamuwa da cuta. Koyaushe halakar (ba compost!) Sassa na jikin kwayar cutar.
- Aiwatar da yaduwar teaspoon 1/4 da soda mai gauraye da kashi 1 na ruwa. Gwangwaki na mako-mako a farkon alamun kamuwa da cuta zai iya kare tsire-tsire saboda kara lalacewa.
- Yin amfani da man fetur Neem , magani ne na kayan magani. Wannan duka suna bi da ladaran da ke da karfi kuma suna kare tsire-tsire don ci gaba da kamuwa da cuta.
Abin sha'awa shine, matakan da za a iya amfani da ita don karewa da kuma magance powdery mildew shi ne don yaduwa da tsire-tsire na tsire-tsire yau da kullum tare da ruwa mai tsabta daga tiyo. Maƙarƙashiyar man fetur yana ƙin ruwa! Kaduna kawai tare da wannan hanya shine tabbatar da tabbacin ku yi shi da wuri a cikin rana don kada fadar ta bushe gaba daya kafin yanayin maraice mai sanyi ya zo. In ba haka ba, zaku iya kiran wasu cututtuka na fungal, kamar su baki , a cikin lambun ku.