Agronomic Response of Corn (Zea mays L.) Hybrids to Plant Populations

Table 5

Kernel weight of the three corn hybrids in 2016 and 2017.^a,b

	DK 67–14		DK 67–72		DK 68–26
	2016	2017	2016	2017	2016	2017
	Grams
Population (1000 plants·ha^−1)
43.6	113.0 ab	116.4 a	110.3 abc	116.4 a	109.3 a	109.3 a
53.5	113.8 a	109.2 b	115.0 a	103.3 b	106.8 a	105.0 b
64.9	108.0 cd	104.6 b	113.3 ab	106.2 b	107.5 a	103.6 b
75.2	109.5 bc	96.1 c	108.8 bc	104.9 b	107.5 a	103.2 b
85.9	104.5 de	96.5 c	115.3 a	99.7 b	110.3 a	103.7 b
94.9	100.5 f	92.9 c	106.8 cd	99.1 b	108.3 a	102.5 b
107.2	103.8 ef	91.2 c	108.3 bc	97.5 b	107.5 a	102.4 b
117.7	100.5 f	92.2 c	101.3 d	99.2 b	105.5 a	103.0 b

Means followed by the same letter in each column are not significantly different at the 0.05 level of significance. Weights based on 300 seed count.