http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Wheat and ryegrass interaction in response to drought
6:6, 3:9, and 0:12 in 19 1 pots. Controls were well watered
and the prolonged drought of the companion experiment than in
around in control mixtures than ryegrass. Wheat maintained a
companion experiment used rhizotron columns to compare the
competitive with wheat in almost all measures. Ryegrass was
controls. However, the ryegrass in mixtures regrew
culture than the mixtures and greater in the well watered
drought mixtures. There was no alleopathic interaction. A
drought. Above-ground growth of wheat was greater in pure
equally competitive with wheat for root growth in control and
for the 14 wk experiment. Plants exposed to drought were
greater in both the temporary drought of the main experiment
greater in the drought than the well watered treatment.
greater leaf expansion rate and area during drought than
Greenhouse experiments compared the growth of wheat and
growth than wheat in pure cultures. But, the greater seed
interaction 7 wk after transplanting seedlings of wheat and
mixture than the drought mixture. The proportion of ryegrass
produced by 14 wk after planting more above and below-ground
replacement series with wheat:ryegrass ratios of 12:0, 9:3,
ryegrass during continuous well watering and prolonged
ryegrass in pure culture and mixtures in response to
ryegrass. Drought and rewatering enhanced the growth of
size and height allowed wheat to be more competitive above-
temporary and prolonged droughts. The main experiment was a
Thus, the competitiveness of ryegrass relative to wheat was
to wheat as a percent total growth in these mixtures was
vigorously during 4 wk of rewatering and was equally
well watered for 4 wk. Despite a much smaller seed than
well watered for 8 wk, had no water for 2 wk, and then were
wheat and a similar time of emergence, control ryegrass
wheat relative to ryegrass in pure culture compared to
Issued also on microfiche from Lange Micrographics.