Effects of seed inoculotion by cycocel and biofertilizers on grain filling period in various levels of soil salinity.

Khanzadeh, Parisa (2017) Effects of seed inoculotion by cycocel and biofertilizers on grain filling period in various levels of soil salinity. Masters thesis, University of Mohaghegh Ardabili.

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Text (تأثیر تلقیح بذر با سایکوسل و¬¬ کودهای زیستی بر طول دوره¬ی پر شدن دانه گندم در سطوح مختلف شوری خاک) Parisa Khanzadeh.pdf Download (443kB) | Preview

Abstract

In order to study the effect of seed inoculation by cycocel and biofertilizers on grain filling period of wheat in various levels of soil salinity, a factorial experiment with randomized complete block design with three replications was conducted in a research greenhouse of Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili in 2016. Treatments were included salinity in four levels [no salt (control), salinity 25, 50 and 75 mM by use of NaCl and seed inoculation by biofertilizers and cycocel in six levels [no inoculation as control, inoculation by Pseudomonas, Azosprilium, Azosprilium + Pseudomonas, inoculation by cycocel in concentration 10-5 and 10-6 mM]. Means comparison showed that maximum of yield and yield components, chlorophyll content, rate grain filling and grain filling period and photosynthetic pigments were obtained at both application of biofertilizers and no salinity and the lowest of them were belonged at salinity of 75 mM, no bio fertilizers and without cycocel. The highest content of proline, soluble sugars and antioxidant enzyme activity were observed at both application of biofertilizers and salinity of 75 mM. The minimum of them were achieved in no-salinity, non-use bio fertilizers and no cycocel. It seems that application of both application biofertilizers or cycocel with alleviation of salt stress can be effective in improvement of grain yield, photosynthetic pigments, rate grain filling and grain filling period,

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