Diaporthaceae associated with root and crown rot of maize

IMA Fungus

Table 3 Effect of different isolates of Phaeocytostroma ambiguum and Stenocarpella maydis on survival, plant growth (shoot length) and crown and root rot of maize seedlings under glasshouse conditions.

Fungus	Isolate	Survival (%) ^x	Shoot length (mm) ^x	Crown rot (%) ^{x y}	Root rot severity ^{x z}
Control		100.0a	489.7ab	0.0j	0.00h
P. ambiguum	Z113V	100.0a	416.9defg	46.7def	1.27g
	Z171F	100.0a	442.9bcd	60.0cd	1.10g
	Z182Z	96.7a	434.1cd	13.7hij	1.14g
	Z189Z	96.7a	452.1abcd	23.7ghi	1.28g
	Z191AB	100.0a	422.6cdef	100.0a	2.00f
	Z199Z	100.0a	497.8a	13.3hij	1.13g
	Z213H	96.7a	487.9ab	17.0hij	1.07h
	Z222AS	93.3ab	496.4a	14.2hij	0.82g
	Z225F	96.7a	455.1abcd	7.0ij	1.21g
	Z323C	100.0a	375.8fgh	100.0a	2.30def
	Z432W	93.3ab	428.3cde	100.0a	2.04ef
S. maydis	Z169F	76.7bc	381.4efgh	100.0a	2.21ef
	Z178AB	40.0e	370.2gh	50.6de	2.83dc
	Z181R	56.7de	290.2j	100.0a	3.41b
	Z255K	83.3abc	376.6fgh	77.8bc	2.36def
	Z255AD	100.0a	377.9fgh	73.3bc	2.23ef
	Z401P	83.3abc	313.7ij	59.7cd	3.32bc
	Z404K	86.7abc	361.2hi	100.0a	2.58de
	Z410AD	83.3abc	420.6cdef	27.8fgh	2.20ef
	Z422B	96.7a	465.8abc	38.5efg	1.00g
	Z430D	46.7e	289.0j	20.8ghi	3.79ab
	Z434C	70.0cd	315.5ij	90.5ab	4.00a

^xMeans within a column followed by the same letter do not differ significantly (P = 0.05)
^yPercentage plants with crown rot
^zRoot rot severity rated on a scale of 0–4 with 0 = no root rot, 1 => 0–25 % root rot, 2 = > 25–50 % root rot,3 = > 50–75 %and4 = >75–100 % root rot.

ISSN: 2210-6359