Genetic Components Derived Parameters and Heterosis in Okra under Saudi Arabia Conditions

Table 1

Range of parents, straight (), and reciprocal () mean performance as well as the genetic parameters at parents.

Trait	Range			Genetic parameters at parents
	Parents			Mean ± SE	PCV	GCV	GCV/PCV	GAM%
PH	133.6–166	142.4–193.4	160.2–195.2	151.44 ± 1.59	52.05	51.21	98.39	32.37
NB	3.2–3.9	2.9–4.3	3.0–4.2	3.64 ± 0.07	0.99	0.93	93.35	6
NN	3.4–5.2	3.0–4.6	3.4–5.3	4.45 ± 0.11	4.89	4.74	97.01	29.93
Flow	53.9–57.9	53.8–59.8	54.1–59.8	55.72 ± 0.38	2.07	1.94	93.74	12.52
PL	5.6–6.6	4.2–6.2	4.4–6.1	6.17 ± 0.08	1.14	1.08	95.07	6.93
PD	1.3–1.6	1.1–1.4	1.1–1.4	1.44 ± 0.03	0.39	0.36	92.07	2.33
EM	58.8–66.7	57.8–62	58.1–62.6	59.5 ± 0.64	1.64	1.29	78.76	9.29
NS	66.0–92.0	69.2–106.6	66.3–97.4	80.93 ± 1.41	50.63	49.4	97.56	31.78
NP	148.7–203	194.9–258	179.3–239	177.8 ± 10.19	195.74	170.12	86.91	85.52
APW	3.9–5.5	4.1–7.5	5.3–7.5	4.6 ± 0.11	0.37	0.25	67.33	1.97
WSP	5.7–9.7	7.3–16.3	5.9–14.3	7.28 ± 0.06	0.9	0.77	85.07	5.27
WMP	15.1–24.5	24.2–43.4	26.1–42.3	20.04 ± 0.07	1.81	1.76	96.76	11.11
WLP	13.3–23.1	24.7–42.9	23.4–41.7	19.44 ± 0.06	12.77	12.73	99.69	78.98
FPY (ton/ha)	9.8–18.6	13.5–30.8	15.9-29-8	13.9 ± 0.27	13.57	13.22	97.47	83.23

PH: plant height (cm), NB: no. of branches/plant, NN: no. nodes/plant, Flow: no. of days to flowering, PL: pods length (cm), PD: pods diameter (cm), EM: days to maturity, NS: no. of seeds/pod, NP: no. of pods/plant, APW: average pod weight (g), WSP: weight of small pods (kg/plot), WMP: weight of medium pods (kg/plot), WLP: weight of large pods (kg/plot), and FPY: fresh pods yield (ton/ha).