Kwararrun masanan keɓewar shuka da sashin samar da iri na reshen Astrakhan na Cibiyar Budgetary ta Tarayya "Rostov Reference Center of Rosselkhoznadzor" tare da masu duba Ofishin Rosselkhoznadzor na yankunan Rostov, Volgograd da Astrakhan da Jamhuriyar Kalmykia, a matsayin wani ɓangare na Kula da yanayin keɓewar phytosanitary na yankin da aka sarrafa, an gudanar da bincike tare da tarkon pheromone don gano asu dankalin turawa a cikin yankin Astrakhan.
An gudanar da binciken ne a gundumomi takwas na yankin. An girka tarkuna 230 a gonakin manoma 51 da ke yankin, kuma an yi binciken jimillar kadada 2236.
Sakamakon sa ido, an gano lokuta uku na gano kwaro a wuraren da ba a haɗa su a baya ba a yankin rarraba. Koyaya, yayin binciken sarrafawa tare da samfurin sassan ciyayi na shuke-shuke da 'ya'yan itatuwa, ba a tabbatar da kasancewar wani abin keɓewa ba.
Dankali asu (lat. Phthorimaea operculella) ne kwaro ba kawai dankali, amma kuma na sauran shuke-shuke na nightshade iyali (tumatir, barkono, eggplant, taba).
Matsayin da ke lalacewa shine majiyar, wanda ke lalata ganye, kara da tubers. Tubers akan shuka suna lalacewa ne kawai a inda suka zo saman ko kuma inda aka sami tsagewar ƙasa a saman su. A karkashin yanayin Rasha, asu dankalin turawa ba ya shafar amfanin dankalin turawa a cikin filin.
Daga qwai da aka dage farawa ta mace dankalin turawa moths, larvae an haife shi, wanda shiga karkashin epidermis na leaf ruwan wukake, sa'an nan gnaw ta da yawa tunnels (mines) a cikin seedlings da tubers. Sakamakon lalacewa, dankali ya rasa gabatarwa kuma ya zama marasa dacewa don amfani.
Tun da kwaro tsutsa is located a cikin tubers, ba shi da sauki a lura da infestation na tubers a dace hanya. Lokacin da mulkin mallaka ya karu da yawa, tuber ɗaya zai iya ƙunsar har zuwa tsutsa guda goma, wanda a hankali ya juya 'ya'yan itace zuwa ƙura.