Salicilna in jasmonska kislina spreminjata fiziološke procese, mobilizacijo asimilatov in polnjenje semen soje v razmerah solnega stresa

Kazem GHASSEMI-GOLEZANI, Salar FARHANGI-ABRIZ, Ali BANDEHAGH

Povzetek


Raziskava je bila izvedena za preučitev morfo-fizioloških učinkov salicilne in jasmonske kisline na rast in produktivnost soje v razmerah slanosti. Parametri kot so indeks vsebnosti klorofila listov, vsebnost karotenoidov in antocianinov, učinkovitost fotosistema II, relativna vsebnost vode, listna površina, listna masa, specifična listna površina, učinkovitost izrabe vode, trajanje polnjenja semen, učinkovitost mobilizacije asimilatov in masa semen so se zmanjšali medtem, ko so se parametri kot so temperatura listov, specifična listna masa in puščanje elktrolitov povečali z naraščajočo slanostjo. Salicilna kislina je izboljšala indeks vsebnosti klorofila listov, povečala vsebnost antocianinov, listno površino, specifično listno površino, učinkovitost izrabe vode, trajanje polnjenja semen, učinkovitost mobilizacije asimilatov in maso semen v razmerah slanosti in brez nje. Večji učinki salicilne kisline na nekatere preučevane parametre kot so maksimalna učinkovitost PSII, relativna vsebnost vode in puščanje elektrolitov iz listov so se pojavili samo v nekaterih ravneh slanosti. Jasmonska kislina je povečala maso listov, specifično listno maso, vsebnost karotenoidov, relativno vsebnost vode, hitrost polnjenja semena in zmanjšala indeks vsebnosti klorofilov, temperaturo listov, listno površino, specifično listno površino, trajanje polnjenja semena, učinkovitost mobilizacije asimilatov in relativno puščanje elktrolitov brez značilnih učinkov na učinkovitost PSII in maso semen. Uporaba salicilne kisline je bilo primernejše obravnavanje za povečanje fiziološke aktivnosti in mase semen soje v različnih razmerah slanosti.

Ključne besede


vsebnost klorofila; jasmonska kislina; salicilna kislina; slanost; tvorba semena; soja

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2018.111.3.08

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