Wasu daga cikin kyawawan launuka masu launin furanni a lambunmu sune asters . Yin girma a wasu lokuta yana buƙatar mai ƙarfi da hakuri, saboda anster na fama da cutar kuma ana barazanar kwari da yawa, wanda ke nufin cewa yaki da su dole ne a yau da kullum.
Kwayoyin cututtukan fata da na shekara-shekara
An tabbatar da cewa anster yana ƙarƙashin cututtuka fiye da 20, baya ga ciwon kwari, amma magani da aka zaba da kyau da kuma kawar da kwari zai iya kawar da lalacewar cututtuka. Wasu cututtuka sun fara rinjayar seedlings a cikin kwalaye, wasu sun tashi ne kawai a wasu yanayi, amma wasu suna boye har sai lokacin flowering. Bari mu dubi al'amuran da suka fi dacewa da suka faru a cikin yanayin daminmu.
Black kafa
Wannan wata launi ce, wadda yawancin tsire-tsire da astra suna fuskanta. Yana rinjayar biyu seedlings kafin dasa shuki a ƙasa, da kuma shuke-shuke girma. Nuni da cutar tare da tushe baki shine blackening na tushe a cikin sashi tushen, wanda zai iya kai a tsawo na 10-15 cm Seedlings, a matsayin mai mulkin, bace sosai da sauri, a cikin shuke-shuke girma girma sannu a hankali da kuma deteriorate gaba daya.
Don kare nau'in iri, ana bi da tsaba tare da shawarar manganese mai karfi kafin shuka, a hankali ya lalata ƙasa. Idan tsire-tsire masu tsire-tsire suna da lafiya, an cire su gaba ɗaya, kone su, kuma an zubar da ƙasa tare da tsari na formalin don hana yaduwar naman gwari.
Mosaic (jaundice)
Wannan cututtukan cututtukan bidiyo ba su shafi asters kawai ba, amma wasu albarkatun furen. An bayyana launin yellowing daga cikin ganyayyaki, wanda ya zama wanda ba a nuna shi ba - tare da wuraren haske da duhu, inda sunan ya fito. Ciwon ya fara tare da tsakiya na tsakiya, sannu-sannu yana kama da tsire-tsire. Buds kuma suna sha wahala kuma suna da launin baƙar launin fata a maimakon haske mai haske. Ana kawar da tsire-tsire daga tushensu da kuma zubar da su, ko kuma sun ƙone, kamar yadda masu sinadarin sinadarin ba su da ikon yin wannan cuta.
Mafarki mai yalwa
Plaque, kama da datti gari a kan mai tushe da ganyayyaki na aster ne ke haifar da naman gwari. Ana iya cire shi tare da bayani na colloidal sulfur ko cakuda soda da wanke wanke. Idan cutar ta yada, to ya fi kyau a lalata shuke-shuken ta hanyar konewa, in ba haka ba ne mycelium na hunturu ya sake kai hari ga asters karkashin sharadi mai kyau.
Fusarium
Daga shirye-shirye, fiye da yiwuwar aiwatar da asters daga cututtuka kamar fusarium, hankali ya cancanci Fundazol, cobalt chloride, Topsin-M, magnesium sulphate. Wannan shine cutar mafi yawan gaske a cikin asters farawa tare da yellowing da wilting ganye, bayan haka sun bushe, kuma launin fata-launin ruwan kasa ratsi bayyana a kan mai tushe. Idan lokaci bai dauki mataki ba, injin ya mutu.
Yadda za a fesa asters daga kwari?
Bugu da ƙari ga cututtuka, ana barazana ga asters da kwari. Wadannan sune:
- shebur;
- gizo-gizo mite;
- bug;
- wani shinge na penny;
- Alamar kunne;
- snowstorm astrova;
- slug.
Duk wadannan kwari suna cutar da tsire-tsire masu tsire-tsire masu tsire-tsire - suna shayar da kayan juyayin rai,
Yin kwaskwarima tare da chlorophos zai rushe harin da aka yi, kuma "Fundazol" zai rushe kunne. Bugu da ƙari, a gaban kwari a kan shafin, dole ne a lura da juyawa na amfanin gona - kada ku dasa tsire-tsire na biyu a jere a wuri ɗaya. Ya kamata a yi noma gona sosai don kawar da weeds. Tsarin sha'anin tsabtace jiki a wurare da dama zai ceci gonar fure daga matsaloli a cikin irin cututtuka da kwari-kwari.