Growth promotion and protection of lentil (Lens esculenta) against herbicide stress by Rhizobium species

Annals of Microbiology

Table 2 Plant growth-promoting activities of Rhizobium sp. isolate MRL3 both in the presence and absence of quizalafop-p-ethyl and clodinafop

Herbicides	Dose rate (μg l⁻¹)	IAA^a (μg ml⁻¹)	Siderophores				EPS^e (μg ml⁻¹)	Catalase	HCN^f	Ammonia
			CAS^b Agar (mm)	FeCl₃ test	Phenolates (μg ml⁻¹)
			CAS^b Agar (mm)	FeCl₃ test	SA^c	2,3-DHBA^d
Control		37 a	12 a	+	29 a	21 a	18 bc	+	+	+
Quizalafop-p-ethyl	40	27 bc	11 ab	+	21 bc	16 bc	20 b	+	+	+
	80	23 c	10 b	+	17 c	10 d	21 ab	+	+	+
	120	20 d	9 b	+	15 cd	9 de	24 a	+	+	+
Clodinafop	400	33 b	11 ab	+	25 ab	17 b	19 bc	+	+	+
	800	27 bc	10 b	+	22 b	14 c	20 b	+	+	+
	1200	22 c	9 b	+	17 c	10 d	22 ab	+	+	+
F value		244.6	15.5	−	311.2	68.4	131.3	−	−	−

Values indicate the mean of three replicates. Mean values followed by different letters are significantly different within a row or column, respectively at P ≤ 0.05 according to Tukey test
^aIndole acetic acid
^bChrome azurol S agar
^cSalicylic acid
^d2,3-dihydroxy benzoic acid
^eExo-polysaccharide
^fHydrogen cyanide

ISSN: 1869-2044