Molecular detection of the causative agent of the potato soft rot, Pectobacterium carotovorum, in Egypt and essential oils as a potential safe tool for its management

Egyptian Journal of Biological Pest Control

Table 3 Morphological, physiological, and biochemical characters of isolated bacteria (Pectobacterium sp.)

Identification tests	1	2	3	4	5	6	7	8	9	10
Gram reaction	–	–	–	–	–	–	–	–	–	–
KOH 3%	–	–	–	–	–	–	–	–	–	–
Shape	R	R	R	R	R	R	R	R	R	R
Size	S	S	S	S	S	S	S	S	S	S
Motility	+	+	+	+	+	+	+	+	+	+
Growth 37 ° C	+	+	+	+	+	+	+	+	+	+
Starch hydrolysis	+	+	+	+	+	+	+	+	+	+
Tolerance NACL 5%	+	+	+	+	+	+	+	+	+	+
Tolerance NACL 7%	+	+	+	+	+	+	+	+	+	+
Catalase activity	+	+	+	+	+	+	+	+	+	+
Pigment production	–	–	–	–	–	–	–	–	–	–
Pectate degradation	+	+	+	+	+	+	+	+	+	+
Sucrose reduction	–	–	–	–	–	–	–	–	–	–
Fried egg in PDA	+	+	+	+	+	+	+	+	+	+
Relation O₂	An.	An.	An.	An.	An.	An.	An.	An.	An.	An.
Gelatin liquefaction	+	+	+	+	+	+	+	+	+	+
Acid prod. gas lactose	+	+	+	+	+	+	+	+	+	+
Acid prod. gas glucose	+	+	+	+	+	+	+	+	+	+
Name	Pcc1	Pcc2	Pcc3	Pcc4	Pcc5	Pcc6	Pcc7	Pcc8	Pcc9	Pcc10