Phenetic and Molecular Diversity of Nitrogen Fixating Plant Growth Promoting Azotobacter Isolated from Semiarid Regions of India

Table 3

In vitro studies on the effect of Azotobacter on growth and yield of maize seedling.

S. no.	Treatment	Average shoot length (cm)	Average root length (cm)	Average root number	Average leaf number	Total chlorophyll (μg/ml)
1	Control	^cd	^ef	^f	^a	^i
2	Azo1	^a	^c	^a	^a	^ab
3	Azo3	^d	^ef	^ef	^a	^hi
4	Azo5	^d	^ef	^def	^a	^fghi
5	Azo7	^a	^c	^ab	^a	^bc
6	Azo9	^bcd	^f	^ef	^a	^fgh
7	Azo11	^bc	^ef	^ef	^a	^ghi
8	Azo13	^a	^ab	^a	^a	^cd
9	Azo14	^d	^ef	^ef	^a	^ef
10	Azo15	^a	^b	^abc	^a	^de
11	Azo17	^b	^ef	^cde	^a	^efg
12	Azo18	^bcd	^c	^cde	^a	^fg
13	Azo20	^a	^a	^abc	^a	^a
14	Azo23	^bcd	^cd	^bcd	^a	^ef
15	Azo24	^bc	^de	^def	^a	^fghi
	CD at 5%	1.110036913	1.91982297	1.731219988	1.128863211	3.009485161
	CV%	4.454842219	3.103901796	7.611017199	11.95775004	4.513783099

Each value is a mean of 3 replicates from 2 experiments. followed by the same letter in a column of each treatment is not a significant difference at by the Tukey–Kramer HSD test. Data are recorded after 30 days of germination.