Kodi Black Spot N'chiyani?
Dothi lakuda ndi matenda a fungal ( Diplocarpon rosae ), omwe amakhudza maluwa. Nkhuku zimakula ngati mawanga wakuda pamasamba, kenako zimapangitsa masamba kukhala otsekemera ndi kutsika. Kuwonjezera pa kuyang'ana mosaganizira, zingathe kufooketsa chomeracho. Zinthu zabwino kuti malo amdima azikhala bwino monga nyengo yotentha, yamvula kapena yamvula ndi masiku otentha ndi usiku wozizira, wosasana.
Zizindikiro za Mdima Wamdima pa Roses
Dothi lakuda lidzawoneka ngati mawanga wakuda pa masamba.
Kaŵirikaŵiri zimachitika kumtunda kwa masamba, koma zimatha kukhalanso pansi. Mphepete zakunja za mabwalo akuda ndi opunduka kapena amphongo ndipo nthawi zambiri amazungulira ndi chikasu.
Mawanga amayamba pamunsi masamba ndipo amasunthira mmwamba. Zitha kuoneka ngati masamba asanatuluke. Mawanga awa amatha kukulitsa ndikukumana. Mbalame zimakhudza nthawi zambiri zimagwa pamera ndipo zimasiya kutsekedwa, zomera zonse zimatha kuchepa.
Bowa amatha kupatsira tizilombo tating'onoting'ono tomwe timayambitsa tizilombo toyambitsa matenda. Mitengo yowonongeka imayambitsa maluwa ochepa komanso opanda masamba, zomera zimakhala zolemetsa ndipo zimakhala zovuta kwambiri.
Chikhalidwe Chimalamulira Malo Amdima
Dothi lakuda ndi losavuta kupewa kusiyana ndi kuchiza. Mipira yomwe ilipo ikhoza kukhala mu nthaka ndi m'nyengo yozizira pamasamba ndi zimayambira, kuyembekezera zinthu zabwino.
Amalumikizana ndi maluwawo pogwiritsa ntchito madontho a madzi. Pofuna kupewa malo amdima, perekani zotsatirazi.
Perekani chomera chimene akufuna. Izi ndizochitika popewera matenda alionse. Chomera chopatsa thanzi, sichimawopsa kwambiri. Ma Roses amakonda malo a dzuwa ndi nthaka yokonzera bwino komanso kuthirira mlungu uliwonse.
Kuthamanga kwa Air - Perekani mpweya wabwino kuzungulira komanso kudutsa zomera zako. Musati mufese maluwa anu pafupi kwambiri ndi zomera zina. Dulani kuti mutsegule mipata pakati pa njuchi, ngati chomera chimafika kwambiri ndipo mpweya sungathe kudutsa.
- Kuthirira Moyenera - Peŵani kupeza masamba akuda, pothirira madzi. Palibe zambiri zomwe mungachite pa mvula, koma kuchepetsa nthawi yomwe masambawo akuda.
- Zomera zosagonjetsa zomera - Roses nthawi zambiri amalembedwa kuti asakanike, kuchokera kukanika mpaka pansi. Pamene mukuyang'ana malo osakanikirana, mukhoza kuyang'ana rosi yomwe imagonjetsedwa ndi dzimbiri ndi powdery mildew . Rugosas , shrub yatsopano komanso maluwa otsekedwa pansi komanso ambiri a Canada Explorer Series, monga "John Cabot" ndi "William Baffin", amasonyeza kusamvana bwino.
- Kusungunula - Chotsani masamba aliwonse omwe ali ndi kachilomboka ndipo nthawi zonse muyeretse bwinobwino kugwa kulikonse. Chotsani ndi kutaya masamba otsala, pamene mukuchita kudulira kudulira kumapeto kwa nyengo yozizira / kumayambiriro kwa kasupe. Spores akhoza kukhala pa masamba ndipo zimayambira lonse ndipo zidzasinthidwa pamene zinthu zili bwino. Pakadutsa masiku khumi kuchokera ku zizindikiro zoyamba, matendawa ayamba kufalikira. Spores akhoza kufalikira ndi madzi ndi mphepo.
Tumizani makoswe alionse omwe amasonyeza zizindikiro za matenda. Sungani masentimita 6 mpaka 8 pansi pa kachilombo ndipo khalani okonzeka kuuma. Sakanizani mankhwala anu ochezera ndi 10% mwa njira yothetsera madzi kapena mowa, pakati pa kudula.
Mulch - Lembani mulch wakuda kuzungulira zomera. Mulch amaletsa madzi kuti asapunthire pammera ndikufalitsa spores.
Mipiritsi ya Chithandizo ndi Kupewa Mdima Wamdima
Ndi kosavuta kupewa malo amdima kusiyana ndi kuchiza, koma ndi nthawi yambiri. Ngati malo akuda ndi vuto lokhazikika m'deralo, mungafunikire kupopera mbewu zanu sabata iliyonse, kuyambira kumayambiriro kwa masika.
- Soda yopaka soda - Thirani supuni 1 ya soda m'madzi otentha a quart 1. Onjezani mpaka supuni 1 sopo madzi. Sakanizani masamba bwinobwino. Kusakaniza kumeneku kumapindula bwino monga chithandizo kuposa kuchiza. Zimatetezanso ku powdery mildew.
- Mixeaux Mix - Iyi ndi fungicide yomwe ili ndi mkuwa wa sulfate ndi hydrated laimu. Angagwiritsidwe ntchito monga ufa kapena wosakaniza ndi madzi ndi sprayed. Mitundu ya tizilombo timene timapanga tizilombo timayambitsa tizilombo toyambitsa matenda , koma imatha kuyatsa masamba. Kawirikawiri amagwiritsidwa ntchito ngati chotetezera kumayambiriro kwa nyengo zomera zisanatuluke.
- Sopo zopatsirana pogwiritsa ntchito fungicide - Izi ndizo mtundu wina wa fungicide , nthawi zambiri sulfa yowonjezera ku sopo nthawi zonse. Sopo imathandiza kuti fungicide imamatire ku masambawo ndikufalikira kuti ivale.
- Mafuta a Neem - Nthano ndi fungicide ndi tizilombo toyambitsa matenda, zomwe zimachokera ku mbewu za mtengo wa neem. Zimalowa mkati mwa dongosolo la mbeu, kotero simukusowa kudandaula za kuvala zonse kapena kubwezeretsa mvula. Komabe, ikhoza kuwotcha masamba osungira mu dzuwa lotentha. Musagwiritse ntchito mafuta mkati mwa masabata awiri pogwiritsa ntchito mankhwala omwe ali ndi sulfure.
- Sulfure - Sulfure onse amateteza ndi kuchotsa matenda a bowa. Amagwiritsidwanso ntchito kuthetsa tizilombo tosiyanasiyana tizilombo. Komabe, ikhoza kukhala yofiira kwambiri kwa anthu ndi zinyama zina. Muyenera kuvala zovala zoteteza mukamapopera. Ikhoza kuthanso chitsulo, choncho gwiritsani ntchito pulasitiki sprayer. Ndipo ikhoza kuwotcha zomera kumadera otentha.Sulfure imabwera ngati finely ground powder. Ngati mukufuna kupopera mankhwalawa, yang'anireni imodzi yotchedwa ngati yonyowa kuti ikusakanikirana ndi madzi.