Powdery mildew ndi imodzi mwa matenda omwe amadziwika bwino komanso odziwika bwino. Pafupifupi mtundu uliwonse wa zomera umatetezedwa, komabe, ena amakhala otengeka kwambiri kuposa ena. Lilacs , crab apulo, phlox, monarda, maluwa, mphesa, sikwashi, ndi nkhaka zonse zikutheka chifukwa cha powdery mildew.
Kuzindikira Powdery Mildew
Monga dzina limatanthawuzira, powdery mildew amawoneka ngati mapepala a white or gray, masamba ndi zimayambira.
Pali mitundu yosiyanasiyana ya fungus, koma onse amayang'ana mofanana. Simungathe kuwona vuto mpaka mapulaneti apamwamba asanduke powdery, koma powdery mildew ingasokonezenso tsamba lakuya pamwamba, zimayambira, maluwa, masamba komanso chipatso.
Ngakhale kuti powdery mildew ndi yosangalatsa, sizingatheke kupha. Komabe, imatsindika za mbeu komanso matenda obwerezabwereza kapena obwerezabwereza adzafooketsa mbewu. Ngati masamba okwanira akuphimbidwa ndi powdery mildew, photosynthesis ndi yovuta. Masamba opatsirana nthawi zambiri amagwa msanga. Izi zikhoza kukhala vuto linalake pazomera zomwe zimadya chifukwa chosafika pang'onopang'ono chinyezi chimatha kuchepetsa kukoma kwa chipatso kapena masamba. Ngati masambawa atenga kachilomboka, sangathe kutsegula kapena kukhwima.
Powdery mildew bowa amakhala wolumikiza enieni, kutanthauza kuti zosiyana ndi powdery mildew bowa zimatengera zomera zosiyanasiyana. Powdery mildew pa malava anu sangathe kufalikira ku mphesa zanu kapena maluwa anu.
Komabe zonse powdery mildew zimakonda zomwezo.
Kodi Chimachititsa Bwanji Powdery Mildew?
Powdery mildew nkhungu zikuwoneka kuti zili paliponse. Iwo amatha kupitirira mu zowonongeka zamasamba akuyamba kupanga spores m'chaka. Nkhumbazi zimatengedwa kupita ku zomera zanu ndi mphepo, tizilombo komanso madzi. Zinthu zomwe zimalimbikitsa kukula ndi kufalikira kwa powdery mildew ndizo:
- Dampness kapena chinyezi (Osadziwika nthawi yamvula kapena kutentha kwakukulu)
- Mitengo yambiri
- Kufalitsa mpweya wosauka
Kulamulira Powdery Mildew
- Sankhani zomera zathanzi ndikuzisunga bwino.
- Yesetsani kupeza cultivar yosagonjetsedwa ndi cultivar, ngati dera lanu likupezeka.
- Musabzalidwe mitundu yosagonjetsedwa mumthunzi.
Zomwe Mungachite Ngati Mbewu Zanu Zimakhudzidwa ndi Powdery Mildew
- Chotsani ndi kuwononga ziwalo zonse zazomera.
- Kupititsa patsogolo kayendetsedwe ka mpweya pochepetsa ndi kudulira.
- Musamange manyowa mpaka vuto likonzedwe. Powdery mildew imakula kukula kwachinyamata.
- Musamwe madzi zomera pamwamba.
- Ikani fungicide. Pali mitundu yambiri ya fungicides yomwe ilipo. Fufuzani chizindikirocho kuti chitsimikizireni kuti ali otetezeka komanso ogwira mtima pa mtundu wa zomera zomwe zili ndi kachilomboka. Fufuzani zosakaniza monga bicarbonate ya potassium, mafuta a neem, sulfure, kapena mkuwa. Mankhwala omwe amapangidwa kuchokera ku soda ndi othandizira. Wopangidwa kuchokera mkaka ndiwothandiza popewera ndi kuchiza powdery mildew.
Kuti atetezedwe mosalekeza, ambiri a fungicides amafunika kubwereza ntchito masiku asanu ndi awiri mpaka 14. Nthawi zonse muzitsatira malangizo anu pa nthawi zonse komanso nthawi yodikira musanakolole