Seed Quality as Related to Harvest Time in Three Key Perennial Grasses Native to Puna Tussock Rangelands of Peru

Table 3

Seed viability (average ± 1 SE) of the three perennial grasses studied.

Species	Harvest date
	H1	H2	H3	Average
	%
Fedo	30 ± 9.1^Bb	55 ± 5.0^Aa	60 ± 5.8^Aa	48 ± 5.3^B
Fehu	15 ± 2.9^Ba	23 ± 7.5^Ba	33 ± 6.3^Ba	24 ± 3.8^C
Cavi	55 ± 2.9^Aa	70 ± 4.1^Aa	55 ± 6.5^Aa	60 ± 3.3^A
Average	33 ± 5.8^b	49 ± 6.7^a	49 ± 4.8^a

Fedo, Festuca dolichophylla; Fehu, Festuca humilior; Cavi, Calamagrostis vicunarum harvested at three times after anthesis (H1, 21 days; H2, 28 days; H3, 35 days). Means with different superscripts in the same row (lowercase letters) or in the same column (uppercase letters) are significantly different ().