Table 2.

Effects of factor combinations (hot water exposure time, caladium cultivar, and tuber size) on reproduction of root-knot nematode (Meloidogyne arenaria) on caladium.

Cultivar	Exposure time @ 50°C (min)	Tuber size	Gall index (0–10)	Eggs per fresh root system‡	Eggs per gram fresh root‡	Eggs per gram dry root‡	Number of J2 per 200 cc soil‡
PJR	45	#3	0.0 c†	0 e	0 c	0 f	23 b
		#1	0.2 c	30 de	2 c	37 ef	23 b
		Jumbo	0.2 c	30 de	2 c	37 def	0 b
	30	#3	0.0 c	30 de	3 c	96 def	0 b
		#1	0.0 c	90 de	6 c	105 def	0 b
		Jumbo	0.0 c	270 de	16 c	351 def	35 b
	0	#3	4.2 b	218,325 ab	18,008 a	526,917 a	28,500 a
		#1	5.5 ab	297,060 a	15,950 a	336,192 ab	40,486 a
		Jumbo	7.5 a	441,465 a	24,584 a	465,989 a	18,169 a
SWT	45	#3	0.7 c	47,265 de	3,418 bc	128,769 def	1,563 b
		#1	0.0 c	0 e	0 c	0 f	0 b
		Jumbo	0.0 c	270 de	13 c	364 def	0 b
	30	#3	0.9 c	78,855 cd	6,418 bc	201,141 cd	2,218 b
		#1	0.7 c	37,320 bc	1,977 b	53,004 bc	3,838 b
		Jumbo	0.9 c	75,840 cd	2,725 bc	49,099 cde	7,010 b
	0	#3	5.6 ab	275,415 a	22,800 a	731,665 a	11,940 a
		#1	5.0 b	245,490 ab	19,077 a	497,953 ab	15,698 a
		Jumbo	5.1 b	343,875 a	21,171 a	517,797 a	23,823 a

^†Within each column, LSMeans sharing the same letter are not significantly different (P > 0.05), according to Tukey– Kramer Test.

^‡Data were fit to Lognormal distribution in the Glimmix model in SAS University Edition, and non-transformed data were presented.

LSMeans, least squares means; PJR, Postman Joyner; SWT, Florida Sweetheart PP 8526.