Me ainihin gibberellin yake yi?ka sani?

Masana kimiyyar kasar Japan ne suka fara gano Gibberellins a lokacin da suke nazarin shinkafa "cutar bakana".Sun gano cewa dalilin da ya sa tsire-tsiren shinkafa masu fama da cutar bakanae suka girma kuma suka yi rawaya saboda abubuwan da gibberellins ke ɓoyewa.Daga baya, wasu masu bincike sun ware wannan sinadari mai aiki daga tacewa na cibiyar al'adun Gibberella, suka gano tsarin sinadarai, suka sanya masa suna gibberellin.Ya zuwa yanzu, an gano gibberellins guda 136 masu bayyanannun sifofin sinadarai kuma an sanya musu suna GA1, GA2, GA3, da sauransu a cikin tsarin lokaci.Gibberellic acid kaɗan ne kawai a cikin tsire-tsire ke da tasirin physiological wajen daidaita haɓakar shuka, kamar GA1, GA3, GA4, GA7, da sauransu.

GA3 GA3-1 GA3-2 GA4+7

Yankin girma na tsire-tsire shine babban wurin haɗin gibberellins.Gibberellins suna aiki a kusa bayan an haɗa su.Yawan abun ciki na gibberellin zai shafi yawan amfanin ƙasa da ingancin shuke-shuke.A zamanin yau, yawancin "anti-gibberellin" tsire-tsire masu ci gaba da haɓaka sun samo asali ne bisa la'akari da halayen roba na gibberellins, musamman ciki har da: chlormequat, mepifenidium, paclobutrazol, uniconazole, da dai sauransu.

  Paclobutrasol (1)Chlormequat1mepiquat chloride 3

Babban ayyukan gibberellins sune:
1. Inganta iri germination: Gibberellin iya yadda ya kamata karya dormant jihar shuka tsaba, tubers, buds, da dai sauransu da kuma inganta germination.
2. Tsarin tsayin tsire-tsire da girman gabobin jiki: Gibberellin ba zai iya haɓaka haɓakar ƙwayoyin shuka kawai ba amma kuma yana haɓaka rarraba tantanin halitta, ta haka yana daidaita tsayin shuka da girman gabobin.
3. Haɓaka furen shuka: Yin jiyya tare da gibberellins na iya haifar da tsire-tsire na shekaru biyu waɗanda ba a tantance su ba a cikin ƙananan zafin jiki (irin su radish, kabeji na kasar Sin, karas, da sauransu) suyi fure a cikin wannan shekara.Ga wasu tsire-tsire waɗanda za su iya yin fure a cikin dogon kwanaki, gibberellin kuma na iya maye gurbin aikin dogayen kwanaki don sa su yi fure a cikin gajeren kwanaki.
4. Gibberellin kuma yana iya haɓaka haɓakar 'ya'yan itacen shuka, haɓaka ƙimar saita 'ya'yan itace ko samar da 'ya'yan itatuwa marasa iri.
5. Gibberellins kuma suna da tasiri akan haɓaka furanni da ƙaddarar jima'i.Don tsire-tsire masu tsire-tsire, idan an bi da su tare da gibberellin, adadin furanni na maza zai karu;don tsire-tsire na tsire-tsire na tsire-tsire na dioecious, idan an bi da su tare da Gibberellic acid, ana iya jawo furannin maza.

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Matakan kariya
(1) Lokacin da ake amfani da gibberellin a matsayin wakili na saitin 'ya'yan itace, yakamata a yi amfani da shi a ƙarƙashin isasshen ruwa da taki;idan aka yi amfani da shi azaman mai haɓaka girma, yakamata a yi amfani da shi tare da takin foliar don zama mafi dacewa ga samuwar tsiro mai ƙarfi.
(2) Gibberellin yana da sauƙin ruɓe lokacin da aka fallasa shi da alkali.Ka guji haɗuwa da abubuwan alkaline lokacin amfani da shi.
(3) Saboda gibberellin yana kula da haske da zafin jiki, ya kamata a guji wuraren zafi lokacin amfani da shi, kuma a shirya maganin kuma a yi amfani da shi nan da nan.
(4)Bayan maganin gibberellin, yawan iri marasa haihuwa yana karuwa, don haka kada a yi amfani da shi a gonakin noma.


Lokacin aikawa: Fabrairu-26-2024