Shin kun san cewa akwai kusan hekta 130 na dankali a Colombia? Duk da haka, daya daga cikin matsalolin da dankalin turawa ke fuskanta ita ce Tecia Solanivora, wanda kuma aka sani da asu dankalin turawa. Wannan kwaro mai haɗari yana cutar da shuka dankalin turawa, yana haifar da lalacewa ga tubers.
A cewar binciken, asu dankalin turawa na iya haifar da asarar har zuwa kashi 50% a fagen kuma har zuwa 100% a cikin ɗakunan ajiya.
Duk da cewa yawancin masu noman suna amfani da maganin kashe kwari a cikin amfanin gona, amma ba su da tasiri saboda matakin da kwari ke da shi, wato caterpillar, yana tasowa a ƙarƙashin ƙasa (cikin tuber), ba tare da isa ga waɗannan samfuran ba.
Fuskantar wannan yanayin, ƙungiyar masana kimiyya daga Colombia sun tabbatar da cewa rhizobacteria ita ce hanya mafi inganci don yaƙar wannan kwaro, kuma sun ba da shawarar wata sabuwar hanya don kare amfanin gonakin dankalin turawa ta hanyar amfani da kwayoyin halitta da masu amfani.
"Rhizobacteria na iya kunna kai tsaye ko a kaikaice don kunna juriya na tsarin da aka haifar a cikin tsire-tsire a kan kwari ta hanyar jasmonate salicylate da ethylene, waxanda suke da mahimmancin hormones na shuka wanda ke daidaita tsarin juriya na tsarin," in ji Javier Vanegas, darektan wannan aikin.
A cewar masu binciken, ƙwayoyin cuta suna ba shukar da sinadirai masu gina jiki, suna kare ta daga fungi, ƙwayoyin cuta da kuma kwari, don haka suna rage damuwa na ƙwayoyin cuta daga fari ko damina mai tsawo. Bi da bi, shuka yana samar da rhizobacteria tare da yanayi mai wadata a cikin abubuwan carbon da sauran abubuwan da suka zama dole don haɓaka waɗannan ƙwayoyin cuta masu amfani.
A cewar Vanegas, yawan amfani da magungunan kashe qwari a cikin amfanin gona yana haifar da matsaloli masu tsanani, kamar haɓakar 14% na farashin samarwa, haɗarin haɓaka juriya ga kwari ga abubuwan da ke aiki na agrochemicals, raguwar yawan adadin microfauna masu fa'ida, da ƙari. ragowar magungunan kashe qwari a cikin tubers, ƙasa, ruwa da iska., Haɗarin maye a cikin mutane da dabbobi. Don aiwatar da wannan aikin, dole ne a yi amfani da ƙwayar tuber tare da rhizobacteria kafin ko bayan dasa shuki bayan nazarin yanayi daban-daban na halitta da na halitta.
source: www.freshplaza.com, https://www.agroxxi.ru