A lokacin rani na rani da tsire-tsire sun bushe, duk da yawan watering su, akwai babban yiwuwar cewa dalilin shi ne bear. Medvedka wani cututtuka mai hatsari ne wanda zai iya lalata amfanin gona da lalacewa da tsire-tsire. Wannan mazaunin da ke karkashin kasa ya rushe tushen ƙwayar matasan da tsire-tsire masu girma, wanda ke kaiwa ga mutuwarsu.
