Ma ogtahay in Colombia ay ku taal ilaa 130 hektar oo baradho ah? Si kastaba ha ahaatee, mid ka mid ah dhibaatooyinka ay baradhada la kulmaan waa Tecia solanivora, oo sidoo kale loo yaqaan aboor baradhada. Cayayaankan halista ah waxa uu waxyeeleeyaa beerista baradhada, isaga oo dhaawac u geysta digriiga.
Sida laga soo xigtay cilmi-baadhisyada, aboor-baradhada ayaa sababi kara khasaare ilaa 50% beerta iyo ilaa 100% bakhaarada.
In kasta oo beeralayda badani ay dalagyada u adeegsadaan sunta cayayaanka, haddana waa kuwo aan waxtar lahayn sababtoo ah marxaladda ugu xamaasadda badan cayayaanka, diirka, ayaa ka soo baxa dhulka hoostiisa (gudaha tuber), iyada oo aan la gaadhin alaabtan.
Xaaladdan oo kale, koox saynisyahano ah oo ka socda Kolombiya ayaa caddeeyey in rhizobacteria ay tahay habka ugu waxtarka badan ee lagula dagaallamo cayayaankan, waxayna soo jeediyeen hab cusub oo lagu ilaaliyo dalagyada baradhada iyadoo la adeegsanayo bakteeriyada dabiiciga ah iyo faa'iidada leh.
"Rhizobacteria waxay awood u leedahay inay si toos ah ama si aan toos ahayn u dhaqaajiso iska caabbinta nidaamsan ee dhirta ka soo horjeeda cayayaanka iyada oo loo marayo jasmonate salicylate iyo ethylene, kuwaas oo ah hormoonnada dhirta muhiimka ah ee xakameynaya caabbinta nidaamka," ayuu yiri Javier Vanegas, agaasimaha mashruucan.
Sida ay cilmi-baarayaashu sheegeen, noolaha noolaha ayaa geedka siiya nafaqooyin, kana difaacaan fungus, bakteeriyada iyo xasharaadka, sidaas awgeedna ay yareeyaan culayska abiotic-ga ee abaarta ama roobabka daba dheeraada. Dhanka kale, dhirtu waxay siisaa rhizobacteria deegaan qani ku ah ilaha kaarboonka iyo walxaha kale ee lagama maarmaanka u ah horumarinta bakteeriyada faa'iidada leh.
Sida laga soo xigtay Vanegas, xad-dhaafka ah ee cayayaanka kiimikaad ee dalagyada ayaa keena dhibaatooyin halis ah, sida 14% korodhka kharashka wax soo saarka, khatarta ah horumarinta caabbinta cayayaanka ee walxaha firfircoon ee agrochemicals, hoos u dhaca dadka microfauna faa'iido leh, iyo korodhka Hadhaaga sunta cayayaanka ee digriiga, ciidda, biyaha iyo hawada, khatarta maandooriyaha ee dadka iyo xayawaanka. Si loo hirgeliyo mashruucan, waxaa lagama maarmaan ah in lagu tallaalo abuurka tuber leh rhizobacteria ka hor ama ka dib beeritaanka ka dib marka la falanqeeyo xaaladaha dabiiciga ah iyo kuwa noolaha ee kala duwan.
Source: www.freshplaza.com, https://www.agroxxi.ru