Wakambozvibvunza here kuti nei mimwe michero nemiriwo zvichiratidzika kunge zviri kufashukira nekunaka nepo zvimwe zvisingaite? Mhinduro inogona kunge iri mune isingatarisirwe sosi - melatonin. Muchinyorwa chino, tinoongorora tsvagiridzo yazvino kubva kuPhys.org uye mamwe masosi anovimbika, tichifumura nzira dzinonakidza dzemelatonin pesvedzero yemhando yechirimwa, mazinga e antioxidant, uye kugadzirwa kwezvekurima. Varimi, nyanzvi dzezvekurima, mainjiniya ekurima, varidzi vemapurazi, uye masayendisiti ezvekurima, vanogadzirira kushamiswa!
Kwemakore akawanda, takayemura runako uye kuravira kwemichero yedu yatinofarira nemiriwo, asi zvishoma zvataiziva kuti hunhu hwazvo hunoshamisa hunogona kubatanidzwa nekomboni inonyanyobatanidzwa nekurara - melatonin. Ongororo ichangoburwa inoratidzwa paPhys.org yakaratidza kuti melatonin inoita basa rakakosha mukukura nekukura kwezvirimwa, zvichizokanganisa hutano hwemukati uye kuravira kwechigadzirwa chatinofarira.
Melatonin ihomoni inongoitika muchisikigo inowanikwa muzvirimwa nemhuka, uye inonyanya kuzivikanwa nebasa rayo mukudzora kutenderera kwekurara-kumuka muvanhu. Nekudaro, kuvepo kwayo uye mabasa muumambo hwezvirimwa wanga uri musoro wekuwedzera kufarira mukutsvaga kwekurima. Chidzidzo ichi chinovhenekera kuti iyi yakawanda sei molecule inobatsira kune kunaka uye hutano mabhenefiti emichero nemiriwo.
Zvinoenderana netsvagiridzo iyi, zvidyarwa zvinogadzira mazinga epamusoro e melatonin zvinowanzoratidza kukwidziridzwa kune zvinonetsa kwezvakatipoteredza, sekusanaya kwemvura, tembiricha yakanyanyisa, uye UV radiation. Uku kushivirira kushushikana kunoguma nezvirimwa zvakasimba, zvine utano izvo zvingangoita kuti zvibudirire kunyange mumamiriro ezvinhu akaoma.
Uyezve, melatonin inokosha antioxidant mumiti. Inobatsira kudzora zvinokuvadza reactive oxygen mhando (ROS) inogadzirwa panguva yephotosynthesis, nekudaro ichidzivirira masero ezvirimwa kubva mukukuvadzwa kweiyo oxidative. Nekuda kweizvozvo, zvirimwa zvine yakakwira melatonin zvemukati zvinozvirumbidza zvakanatsiridza mazinga e antioxidant, zvichidudzira mune zvinovaka muviri uye zvinobatsira zvigadzirwa kune vatengi.
Zvakare, melatonin inokanganisa kugadzirwa kwechirimwa chechipiri metabolites, iyo inokonzeresa kunhuhwirira kwakasiyana uye kunhuhwirira kwemichero nemiriwo. Yepamusoro melatonin mazinga akabatana nekuwedzera kweaya makomisheni, zvichiita kuti chibereko chiwedzere kunakidza uye kudiwa kune vatengi.
Zvinorehwa netsvakiridzo iyi kuvarimi neindasitiri yezvekurima zvakakura. Nekunzwisisa basa remelatonin muchirimwa physiology, varimi vanogona kushandisa nzira itsva dzekurima zvirimwa zvine mazinga epamusoro emelatonin, zvichikonzera kusimba kwechirimwa, kukosha kwekudya, uye kukwezva kwemusika.
Mukupedzisa, basa risingatarisirwi remelatonin mukukura nekukura kwemichero nemiriwo rinoratidza hukama hwakaoma uye hunonakidza huri pakati pezvirimwa nenyika. Kugamuchira ruzivo urwu mukuita zvekurima kunogona kugadzira nzira yeramangwana apo zvirimwa zvinenge zvisina kusimba chete asiwo zvinoputika nekunakira uye zvakapfumiswa nemishonga inosimudzira utano. Patinozama zvakadzama muzvakavanzika zvemelatonin, chitsauko chitsva munyaya yezvekurima chinotanga, nevarimi, maagronomists, mainjiniya ezvekurima, varidzi vemapurazi, uye masayendisiti ari kutungamirira rwendo urwu runonakidza.
Tags: Agriculture, Melatonin, Plant Physiology, Crop Quality, Antioxidants, Plant Secondary Metabolites, Tsvakurudzo yezvekurima, Kusimba kwezvirimwa, Kukosha Kwekudya, Kurima Kunoenderera.