Factors Affecting Postdispersal Weed Seed Predation in Barely Fields

Table 1

Mean percentage of seed predation ± SE at different interactions of density and background density.

	Treatment		Weed species
Density (seeds dish^−1)	Background	S. arvensis	A. ludoviciana	R. rugosum	H. spontaneum
50	With	49 ± 7 c	43 ± 8 c	29 ± 5 c	27 ± 5 a
	Without	37 ± 5 d	33 ± 7 d	22 ± 6 e	19 ± 5 c
100	With	64 ± 10 b	54 ± 11 b	38 ± 7 b	28 ± 5 a
	Without	36 ± 6 d	32 ± 7 d	22 ± 5 e	21 ± 4 b
150	With	82 ± 11 a	76 ± 10 a	51 ± 7 a	28 ± 5 a
	Without	35 ± 5 d	32 ± 7 d	23 ± 5 d	22 ± 5 b

^*Data with same word in the same column were not significantly different.