Izikhala emaqabungeni - Ascochitosis

Isifo esiyingozi se-ascochitosis, esidalwa amakhowe, singathinta amathanga, amakhabe, amakhabe, uphizi, ubhontshisi, amabhungane, ukhukhamba, ama-currants, ama-gooseberries nezinye izilimo.

I-Ascochitosis - isifo sezitshalo ezitshaliwe, sithokozisiwe yisikhunta ezingapheleli, iningi lazo zohlobo lwe-Askohita (Ascochyta).

I-Ascochitosis (Ascochyta). © ukuthola

Incazelo yeAscochitosis

I-Ascochitosis iboniswa ngokuvela kwezindawo ezinamabala nemibala ehlukahlukene (ngokuvamile inombala onsundu) enemikhawulo emnyama. Amabala ambozwe amachashazi amancane ansundu - okuthiwa yi-pycnidia. Zivela kuzo zonke izingxenye zesitshalo - iziqu, amaqabunga, izithelo nembewu. Kumaqubu, lesi sifo sizibonakalisa ngesimo sezilonda ezincane, zokubhoboza noma ezinde.

Izimpawu ezivelela kakhulu zivela ezansi kwesiqu nasegatsheni. Izicubu ezithintekile zoma ngokushesha, okungaholela ekufeni kwesitshalo. Imbewu evela ezitshalweni ezinesifo ibuthakathaka, ayinasindi, enamabala aphuzi noma ansundu.

I-ascochitosis ivame ukuthinta iziqu nobhontshisi wophizi, amachwane, izinwele, nobhontshisi. Ingozi ethile yikhabe namachwane. Izindawo ezinobhontshisi zimdaka onsundu, zi-convex. Uma amapheshana obhontshisi onakele, imbewu ayakhiwa.

Umthombo wokutheleleka yimbewu ethinteka yi-askochitosis nezinsalela zesitshalo esedlule.

I-Ascochitosis (Ascochyta). © i-legume matrix

Ukuvimbela Izifo kanye Nokulawulwa Kwe-ascochitosis

Imvula, isimo sezulu esifudumele sinomthelela ekusakazweni kwe-ascochitosis. Ukutheleleka kwezitshalo kwenzeka emazingeni okushisa angaphezu kuka-4 ° C kanye nomswakama ongaphezulu kwe-90%. Ukuthuthukiswa okunamandla kwe-ascochitosis kubonwa ngemvula enkulu futhi kumazinga okushisa angama-20-25 ° C. Ngokushintshana kwesimo sezulu esimanzi nesomile, ukukhula kwesifo kuyancipha, futhi emazingeni okushisa angaphezu kwama-35 degrees ayeke.

Ukuvimbela ukulinyazwa yisikhunta, kufanele kutshalwe kuphela imbewu enempilo, ukujikeleza kwezilimo kumele kuqashelwe (ukubuya kwezilimo ezivuthayo endaweni yazo yangaphambili eminyakeni eyi-3-4), kuchithe izinsalela zezitshalo, kuvikele nokuqina kokutshala.

Kubalulekile ukutlama nokushisa amaqabunga awile, ngoba ukhunta ungahlala udoti wesitshalo kuze kube yiminyaka emi-2. I-prophylaxis enhle ukubekelwa kwemidumba ezitshalweni ezingathinteki, njengezinhlamvu zommbila. Ukulima ekwindla ekwindla kunconywa.

Kunconywa ukuba uthulise izingxenye ezithintekile zezitshalo ngenhlanganisela ye-sulfate yethusi kanye netshokho, futhi ngamalahle ochotshoziwe, ufafaze izitshalo ngenkathi yokukhula ngama-fungicides.

Ngomonakalo omkhulu, izitshalo ezinesifo zinconywa ukuthi zisuswe futhi zishiswe.