Chiyambi
Ngati mukuwona mapepala ooneka ngati powdery pa masamba a zomera zanu, mumakhala ndi vuto lofala kwambiri la matenda a fungal fungal. Powdery mildew ingayambitsidwe ndi mitundu yosiyanasiyana ya bowa, ngakhale kuti ambiri ndi Podosphaera xanthii. Powdery mildew ndi yosavuta kuzindikira chifukwa zizindikiro zake zimakhala zofiira pamaso ndi masamba. Kawirikawiri, mumayamba kuona mapepala a powdery pamunsi ndi masamba, koma ngati matendawa akufalikira, kupaka powdery kungaphimbe zomera zonse.
Powdery mildew imakula bwino pamene izi zimakhala chinyezi chachikulu komanso kutentha kwake. Si vuto lalikulu m'madera otentha, ouma, koma m'madera otentha a Midwest, kumpoto chakumadzulo, ndi kumpoto chakumadzulo, zimakhala zachilendo pakati pa miyezi yozizira yomwe imakhala ngati nyengo yosalephereka. Ambiri wamaluwa samaliranso powdery mildew chifukwa sichivulaza zomera zonse pokhapokha ngati infestation imakula kwambiri.
Ngakhale pali mankhwala ochizira mankhwala a powdery mildew, olima amaluwa ochepa omwe akuyenera kuyigwiritsa ntchito - maulamulirowa amawasungira ntchito zaulimi. Njira yothetsera olima m'munda ndi yabwino kutsatira ndondomeko yabwino - kapena kugwiritsa ntchito mankhwala opangira, monga momwe tafotokozera m'munsimu.
Kutsekemera Kwambiri Kwambiri Powdery Mildew
Pano pali kupopera kosavuta kulamulira kufalikira kwa bowa. Sitichotsa bowa pamasamba omwe ali nawo kale, koma amalepheretsa kufalikira ku mbewu zonse.
Zosakaniza:
- 1 gallon ya madzi
- Supuni imodzi ya soda
- Supuni 1 ya mafuta a masamba
- Supuni imodzi ya madzi ochapira
Sakanizani zosakaniza palimodzi ndikuziwonjezera pa botolo lopopera kapena kupopera mankhwala. Pulitsani mbewu zanu sabata iliyonse, makamaka pa masiku a overcast kuti zisawononge masamba.
Malangizo Othandizira Kuteteza Powdery Mildew
Makhalidwe abwino amathandiza kwambiri popewera poizoni.
Tsatirani malangizo awa kuti kuchepetsa mavuto anu ndi bowa.
- Sankhani zomera zomwe zimakhala zochepa kwambiri ndi powdery mildew. Mukamagula mbewu, mumatha kuona phukusi limatchula ngati zomera sizilimbana ndi powdery mildew. Mwachitsanzo, holeshocks ndi phlox, ndizitsamba ziwiri zokongola zomwe zikhoza kupezeka ku cultivars zomwe zimagonjetsedwa ndi powdery mildew.
- Mitengo ya mlengalenga yomwe imadziwika kuti imatha kukhala powdery mildew ndi malo abwino a mpweya pakati pawo. Powdery mildew imakhala m'malo ozizira, ndipo malo omwe mumakhala nawo pakati pa zomera, ndibwino kuti mlengalenga aziyenda bwino komanso kuchepa kwazing'ono kungabwerere pa zomera. Mofananamo, zomera zowonjezereka monga lilac (yomwe imadziwika kuti ndi yotuluka powdery mildew) ikhoza kupangidwira kuti ipangidwe ndi mpweya ndi kuchepetsa mavuto a powdery mildew.
- Chotsani masamba omwe ali ndi matenda ndi zomera zimayambira powaika m'munda wa pamunda kapena kompositi ya manyowa. Osati kompositi nkhaniyi mu mulu wa manyowa, chifukwa bowa spores akhoza kukhalapo kwa nthawi yaitali. Komanso musalole kuti mbeu zakufa zikhale zowonjezereka m'munda chifukwa zidzakonzanso msinkhu wachinyamata akamakula m'chaka.