Mayu shine lokacin dasa shuki dankali. Maƙiyi mafi haɗari na gurasa na biyu shine nematode. Nematode dankalin turawa tsutsotsi ne da ke zaune a cikin tushen tsarin shukar dankalin turawa kuma yana haifar da danne shi.
A lokaci guda, tsire-tsire suna raguwa a cikin girma, ganyen sun zama rawaya, babu fiye da 1-3 mai tushe an kafa, an kafa wani taro na ƙananan tushen (tushen tsarin "mai gemu"), tubers suna girma a cikin girman. na 15-45 grams, tare da mummunan lalacewa, tubers a karkashin daji ba a kafa ba.
Nematode dankalin turawa shine mafi haɗari kwaro keɓe. Nematode dankalin turawa sau da yawa yana yaduwa a cikin filaye na gida, inda ake noman dankali a matsayin nau'in halitta (dankali kawai ake girma).
A lokacin binciken phytosanitary a cikin yankin Ulyanovsk ta hanyar gundumar Rosselkhoznadzor a kan abubuwan da aka gano a baya, an tabbatar da nematode a cikin gidaje a cikin gundumomi 14 na yankin, gami da Bazarnosyzgansky, Baryshsky, Veshkaimsky, Mainsky, Karsunsky, Sengileevsky, Sursky. , Inzensky, Tsilnovsky, Tergulinsky Novospassky, Kuzovatovsky, Staromainsky.
Dangane da wannan, ƙwararrun Rosselkhoznadzor sun yi gargaɗin cewa ya zama dole a bi matakan keɓancewa na phytosanitary: samfuran da aka girma a cikin keɓewar phytosanitary yankin, a kan fitarwa, dole ne su bi hanyar da za a kafa jihar keɓe masu cutarwa tare da rajistar takaddun keɓewa (wajibi). Dokar kula da phytosanitary, takardar shaidar keɓewa; an haramta motsa ƙasa daga fashewa; wajibi ne a gaggauta aiwatar da tsaftace kayan aikin gona, kayan aiki da ɗakunan ajiya; yi amfani da nau'in dankalin turawa masu jurewa nematode don dasa shuki; amfani da amfanin gona na jujjuya amfanin gona waɗanda nematodes ba su shafa ba, yi amfani da takin ma'adinai na halitta.
Dankali ya kamata ya koma wurinsa na asali ba a baya fiye da shekaru 4 ba (dangane da matakin infestation), a cikin waɗannan lokuta ana bada shawara don shuka wasu amfanin gona.
Idan aka yi la'akari da illar wannan kwayar cutar ta keɓe da amincin cysts sama da shekaru 10, 'yan ƙasa suna buƙatar su kasance masu hankali da alhakin lokacin da suke noman dankali a cikin filayen bayan gida don hana yaduwar nematode dankalin turawa.
source: http://ulpravda.ru