Amabala pamasamba - Ascochitosis

Matenda owopsa a ascochitosis, omwe amapangidwa ndi bowa, amathanso kukhudza maungu, mavwende, mavwende, nandolo, nyemba, beets, nkhaka, currants, gooseberries, ndi mbewu zina.

Ascochitosis - matenda a mbewu zobzalidwa, zokondweretsedwa ndi bowa wopanda ungwiro, makamaka amtundu wa Askohita (Ascochyta).

Kufotokozera kwa Ascochitosis

Ascochitosis imawonetsedwa ndi mawonekedwe a mawonekedwe a convex a mawonekedwe osiyanasiyana ndi mitundu (nthawi zambiri imakhala yofiirira) yokhala ndi malire amdima. Malo omwe amawoneka ndi okutidwa ndi madontho a bulauni - otchedwa pycnidia. Amapezeka paziwalo zonse za mbewu - zimayambira, masamba, zipatso ndi mbewu. Pa zimayambira, matendawa amadziwonetsera ngati zilonda zing'onozing'ono, zopindika kapena zazitali.

Zizindikiro zodziwika bwino zimawonekera pamunsi pa tsinde ndi panthambi. Tizilombo tomwe timakhudzidwa timayanika msanga, zomwe zimapangitsa kuti mbewuyo ithe. Mbewu zochokera kumatenda odwala ndizofooka, zopepuka, zamtundu wachikasu kapena zofiirira.

Ascochitosis nthawi zambiri imakhudza zimayambira ndi nyemba za nandolo, anapiye, mphodza, nyemba. Choopsa chake ndi nandolo ndi anapiye. Malo omwe pali nyemba ndi zofiirira zakuda, zotsekemera. Ngati masamba a nyemba awonongeka, mbewu sizipangidwa.

Zomwe zimayambitsa matendawa ndi mbewu zomwe zimakhudzidwa ndi askochitosis ndi zotsalira za mbewu yakale.

Kupewa Kwa Matenda ndi Kudwala Kwa Ascochitosis

Kutentha, nyengo yofunda imathandizira kufalikira kwa ascochitosis. Kuzungulira kwa mbeu kumachitika pa kutentha pamwamba pa 4 ° C ndi chinyezi kuposa 90%. Kukula kwamphamvu kwa ascochitosis kumawonedwa ndi mvula yambiri komanso kutentha kwa 20-25 ° C. Ndi kusinthasintha kwa nyengo yonyowa ndi youma, kukula kwa matendawa kumachepetsa, ndipo kutentha kwamtunda wa 35 kwasiya.

Popewa kuwonongeka ndi bowa, mbeu zathanzi zokha ziyenera kubzalidwe, kasinthidwe kazomera ziyenera kuonedwa (kubwereranso kwa mbewu zodyetsa malo awo akale zaka 3-4), kuwononga zotsalira za mbewu, ndikuletsa kufalikira kwa mbande.

Ndikofunika kuyang'ana ndikuwotcha masamba omwe adagwa, chifukwa bowa amatha kukhalabe pamtunda wazaka ziwiri. Prophylaxis yabwino ndi kuyika nyemba mu mbewu zosakhudzidwa, monga chimanga. Kulima kwa yophukira kwamtunda kumalimbikitsidwa.

Ndikulimbikitsidwa kupukusa mbali zomwe zakhudzidwa ndi mbeu ndi msanganizo wamkuwa wa sulfate ndi choko, komanso malasha osweka, kupopera mbewu mankhwalawa nthawi yakula ndi fungicides.

Ndi zowonongeka kwambiri, mbewu zodwala zimalimbikitsidwa kuti zichotsedwe ndikuwotchedwa.