Ngati mumakhala lamba la chipale chofewa nthawi yayitali, mumakumana ndi vutoli ndi udzu wanu nthawi ndi nthawi kumapeto kwa kasupe: udzu wobiriwira , wobiriwira kapena wokongoletsedwa ndi chovala choyera kapena chokongola chobisika kumayambiriro kwa masika. Zikuwoneka ngati chivundikiro cha chisanu chimayamba kusungunuka ndipo chimapitiriza kukula ndi kufalikira ngati nyengo ili yozizira komanso yonyowa. Kawirikawiri, mawanga otumbululuka amayamba kuchepa ngati nyengo imakhala yotentha ndi youma, koma m'zaka zochepa zomwe zimakhala zozizira komanso zowonongeka, mawangawo amatha kupitirira kudutsa chilimwe ndi kugwa.
Imeneyi ndi nkhungu zachitsulo - matenda a udzu omwe amayamba chifukwa cha zinthu ziwiri zomwe zimayambitsa matendawa: chimfine cha chipale chofewa ( Typhula spp ; chimadziwika ndi dzina lakuti Typhula chofufumitsa), komanso microdochium nivalis , yomwe imatchedwanso Fusarium patch). Monga momwe mayinawo akusonyezera, nkhungu yayikulu ya chipale chofewa imasonyeza maonekedwe oyera ku malo omwe ali ndi kachilomboka, pomwe nkhungu ya pinki imakhala yofiira ku pinki.
Mayendedwe amoyo
Nkhungu zimakhalabe zosagwira ntchito m'nthaka monga mawonekedwe a fungal kapena spores osagonjetsedwa, mosavuta kupulumuka kutentha kwa chilimwe koma osati kukulirakulira. Nkhalango kapena fungal nyumba zimayambira kukula muchithunzi pansi pa chipale chofewa chakumapeto kwa nyengo yozizira pamene kutentha pansi pa chipale chofewa kumakhala kuchokera pansi pazizira mpaka pafupifupi 45 ° F. Pamene chivundikiro cha chipale chofewa chimasungunuka, matenda opatsiranawa amatha kupitiriza kufalikira mpaka kufalikira kapena kutentha pamwamba pa 45 ° F. Chipale chofewa chapale chofewa chimakhala cholimba kwambiri, chikukula mwakhama ngati udzu uli wouma ndi kutentha ndi pakati pa 32 ° ndi 60 ° F.
Kuwonongeka kwa Lawns
Sizingatheke kuti mukumana ndi nkhungu za chipale chofewa chaka chilichonse, koma ngati muyang'anitsitsa, mudzawona kuti imatchulidwa kwambiri m'mitsinje ija pamene miyezi yoyamba ija inali yoyambirira komanso yolemetsa yokwanira kuti iphimbe nthaka yomwe inali isanamve bwino. Pamene zowonjezera zowonjezereka zinkagwa, dothi lotentha lomwe linali pansi pa chinsomba linali kulimbikira kukula kwa fungal, ndipo mumayang'anizana ndi zotsatira pamene kasupe kamatuluka.
Nyengo yozizira yopanda chipale chofewa nthawi zambiri sichitha kuwonongeka kwa nkhungu m'chaka.
Ngakhale malo otentha omwe mumapeza m'chaka ndi osamvetsetsa, nthawi zambiri sakhala ovuta kwambiri. Pamene nyengo ikutha ndipo udzu umauma, malo omwe ali ndi kachilomboka amayamba kubiriwira.
Zochiritsira Zamagulu ndi Zopangira
- Gwiritsani ntchito mabala owonongeka kuti muzitsuka udzu ndikuwathandiza kuwuma.
- Chotsani chitsulo chilichonse chomwe chili choposa 1/2 mainchesi. Izi siziyenera kuchitidwa mpaka udzu wauma pang'ono ndipo wagwedezeka kawiri kapena katatu, ngati makina osokoneza makina akhoza kuwononga maluwa atsopano m'chaka.
- Sungani udzu pamfupi kuposa utali wonse mpaka nkhunguyo ikukula. Udzu wobiriwira umakhala ndi chinyezi chowonjezereka, chomwe chimayambitsa kukula kwa fungal. Makamaka pa kugwa, tchepetsani kwafupipafupi kuti muchepetse chinyezi chomwe chingakhale chogwedezeka pansi pa chipale chofewa choyamba cha nyengoyi. Kuphimba udzu wonse wa udzu kumapangidwe ochepa ochepa mu kugwa kudzathandizanso.
- Gwiritsani masamba mu kugwa. Izi, zimathandizanso kuchepetsa chinyezi chomwe chimatha kuchepetsa chinyezi.
- Musagwiritse ntchito feteleza feteleza mu kugwa . Ngakhale opanga feteleza akufuna kulangiza kugwa kwa "opanga matepi," ngati muli ndi mavuto omwe mumakhala nawo ndi chipale chofewa, pewani kugwa feteleza ya udzu.
- Pewani kuunjika milu yayikulu ya chisanu pambali pa maulkways ndi driveways. Kufalitsa chisanu kudzawathandiza kusungunuka mwamsanga kumapeto kwa kasupe mmalo mwa kusunga chinyezi pa nthawi yoyamba ya kukula kwa fungal.
- Ngati kuwonongeka kuli kovuta, kudula maluwa opanda kanthu kumapeto kwa kasupe kungathandize. Kumbukirani kuti musamamere kapena kutchera malowa mpaka udzu watsopano ukukula mwakuya.
Ngati Mukugwiritsa Ntchito Mankhwala
Pewani kugwiritsa ntchito fungicides ngati n'kotheka, koma ngati matenda anu a udzu amawopsa kwambiri, mungagwiritse ntchito mankhwala otsekemera a thiophanate-methyl mochedwa kugwa, basi chisanu choyamba chisanakhalepo.