Farklı Sulama Suyu Tuzluluk Seviyelerinin Sakız Fasulyesi (Cyamopsis tetraganoloba)’nin Çimlenmesi Üzerine Etkileri

Yıl 2017, Cilt: 4 Sayı: 2, 130 - 137, 21.04.2017

Neslihan Akçaman İsmail Taş Yalçın Coşkun

Öz

Araştırma,  8
adet sakız fasulyesi (125-1, 1-1, 40-1, 57-1, 62-4, 94, 98, 114) hattında, SAR
değeri 3’den küçük olacak şekilde farklı tuz kaynaklarından (NaCO₃,
MgCl₂, CaCl₂), farklı seviyelerde sulama suyu elektriksel
iletkenlik (ECi) değerlerine (0, 4, 8, 12, 16, 20, 30, 40 dS m^-1)
sahip sulama sularının çimlenme üzerine etkilerini belirlemek amacıyla
laboratuvar koşullarında yürütülmüştür. Yapılan varyans analizleri sonucuna
göre, sakız fasulyesi tohumlarının çimlenme hızı ve çimlenme gücü üzerine
sulama suyu tuzluluğunun istatistiki açıdan önemli (p< 0.05) etkileri olduğu
belirlenmiştir. Sulama suyu tuzluluğu arttıkça çimlenme hızı ve çimlenme gücü
azalma göstermiştir. Çimlenme hızı dikkate alındığında 8 dS m^-1’lik uygulama
seviyesinde, Dünya Tohumcular Birliği tarafından önerilen oranda (%80) çimlenme
meydana gelmektedir. Çimlenme gücünde ise 12 dS  m^-1 uygulamasından
itibaren etkilenmenin olduğu belirlenmiştir. Genotipler de ise çimlenme hızı ve
çimlenme gücü açısından genel olarak birbirine yakın oranlar belirlenirken en
düşük oranlar 1 ve 2 nolu genotiplerde belirlenmiştir. Çalışma kapsamında,
artan sulama suyu tuzluluk seviyesine bağlı olarak incelenen tüm parametrelerde
etkilenme belirlenmiştir.

Anahtar Kelimeler

Çimlenme, sakız fasulyesi, Cyamopsis tetraganoloba, sulama suyu tuzluluğu

Effects of Different Salinity Levels of Irrigation Water on Germination of Guar Gum (Cyamopsis tetraganoloba)

Öz

The present study was conducted to investigate the effects of different
irrigation water salinity levels [prepared as to have final Sodium Absorption
Ratio (SAR) of below 3 with different salt sources (NaCO₃, MgCl₂,
CaCl₂) and different electrical conductivity (ECi) values (0, 4, 8,
12, 16, 20, 30, 40 dS] on germination of different guar lines mainly used as
feed and food (125-1, 1-1, 40-1, 57-1, 62-4, 94, 98, 114 ), / m) under
laboratory conditions. According to the results of the variance analysis, it
was determined that the irrigation water salinity on the germination rate and
germination power of guar seeds were statistically significant (p <0.05). As
the salinity of the irrigation water increased, the germination rate and
germination efficiency decreased. When the germination rate is considered,
germination occurs at the recommended level (80%) by the World Seed Association
at the application level of 8 dS  m^-1. It has been determined that germination power is
affected from 12 dS m^-1 application.
In genotypes, the germination rate and germination power were generally close
to each other while the lowest rates were determined in genotypes 1 and 2.
Within the scope of the study, the influence of increasing salinity of the irrigation
water was determined for all parameters examined.

Anahtar Kelimeler

Germination, guar, Cyamopsis tetraganoloba, irrigation water salinity

Kaynakça

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