Abiyotik Strese Karşı Tohuma Manyetik Alan Uygulaması: Manyetoşartlandırma

Yıl 2020, Cilt: 3 Sayı: 1, 65 - 69, 22.06.2020

Uğur Sevilmis , Deniz Sevilmiş , Mehmet Emin Bilgili

Öz

Abiyotik stres faktörleri, tohum çimlenmesi ve erken fide
büyümesi gibi bitki büyümesinin kritik aşamalarında tarımsal üretim
sistemlerine önemli etkiler yaparak verim üzerinde azaltıcı etkiler
yapmaktadır. Bu problemi çözmek için tohumlara ekim öncesi uygulanan kimyasal
ve fiziksel işlemler, tuzluluk ve kuraklık koşulları altında çimlenme hızını
arttıran ve eşzamanlı çıkışı sağlayan ümitvar bir tarımsal stres yönetim
tekniği olarak hızla gelişim göstermektedir. Tohumlara uygulanan fiziksel
yöntemlerden biri olan manyetik alan uygulaması, stresli çevresel koşullara
karşı tarımsal ürünlerin toleransını artıran bir uygulama olarak son yıllarda
öne çıkmaktadır. Uygulanan manyetik alan, tohumlarla etkileşime girmekte,
metabolizmayı hızlandırmakta, sonuçta çimlenme, birincil ve ikincil
metabolitlerin aktivasyonu, enzim aktiviteleri, besin ve su alımını
iyileştirmektedir. Sonuçta manyetik alan uygulamaları sadece bitki büyüme ve
gelişmesinin erken dönemlerinde değil tüm gelişim süreci boyunca bitkilere
olumlu etki etmektedir. Bu derlemede, bu konuda yapılmış uluslararası alandaki
az sayıdaki çalışma biraraya getirilmiş ve incelenmiştir.

Anahtar Kelimeler

Manyetik alan, manyetoşartlandırma, tohum, abiyotik stres, çimlenme

Kaynakça

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