evaluation of the effects of plant growth promoting rhizobacteria and salinity on germination and growth of corn plants (zea mays l.)

نویسندگان

علی انصوری

فارغ التحصیل حسن شهقلی

فارغ التحصیل حسن مکاریان

عضو هیات علمی علیرضا فلاح نصرت آباد

عضو هیات علمی

چکیده

the plant promoting bacteria as biological fertilizers play an important role in increasing productivity and improving plant growth in stress condition. in order to evaluate the ability of plant promoting bacteria rhizobacteria on germination and growth of corn under salinity conditions, a pot experiment was conducted in factorial based on randomized complete block design with three replications. the treatments consisted of salinity stress at five levels [zero (control), 2, 4, 6 and 8 dsm-1 of sodium chloride] and four levels of bacterial [non-inoculation (control), azotobacter chroococum, pseudomonas fluorescens and pseudomonas putida]. the results showed a significant effect (p

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عنوان ژورنال:
مدیریت خاک و تولید پایدار

جلد ۴، شماره ۴، صفحات ۲۳۵-۲۵۳

کلمات کلیدی
[ ' t h e p l a n t p r o m o t i n g b a c t e r i a a s b i o l o g i c a l f e r t i l i z e r s p l a y a n i m p o r t a n t r o l e i n i n c r e a s i n g p r o d u c t i v i t y a n d i m p r o v i n g p l a n t g r o w t h i n s t r e s s c o n d i t i o n . i n o r d e r t o e v a l u a t e t h e a b i l i t y o f p l a n t p r o m o t i n g b a c t e r i a r h i z o b a c t e r i a o n g e r m i n a t i o n a n d g r o w t h o f c o r n u n d e r s a l i n i t y c o n d i t i o n s ' , ' a p o t e x p e r i m e n t w a s c o n d u c t e d i n f a c t o r i a l b a s e d o n r a n d o m i z e d c o m p l e t e b l o c k d e s i g n w i t h t h r e e r e p l i c a t i o n s . t h e t r e a t m e n t s c o n s i s t e d o f s a l i n i t y s t r e s s a t f i v e l e v e l s [ z e r o ( c o n t r o l ) ' , 2 , 4 , ' 6 a n d 8 d s m ' , ' 1 o f s o d i u m c h l o r i d e ] a n d f o u r l e v e l s o f b a c t e r i a l [ n o n ' , ' i n o c u l a t i o n ( c o n t r o l ) ' , ' a z o t o b a c t e r c h r o o c o c u m ' , ' p s e u d o m o n a s f l u o r e s c e n s a n d p s e u d o m o n a s p u t i d a ] . t h e r e s u l t s s h o w e d a s i g n i f i c a n t e f f e c t ( p ' ]

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