Figure 1.
Comparison of monthly (A) and annual (B) rainfall in Urümqi, China, for 2001–2005, 2008, and 2009 (data from Xinjiang Agricultural Weather Station located near the experimental garden study plots); (C) Number of seedlings of Diptychocarpus strictus emerged (mean ±1 s.e.) each week in watered and non-watered plots in the experimental garden during autumn 2008 and spring 2009.
AW, autumn-germinating plants watered; SW, spring-germinating plants watered; ANW, autumn-germinating plants not-watered; SNW, spring-germinating plants not-watered. In (A) and (C), only standard errors ≥0.39% and ≥2.31% are shown, respectively.
Figure 2.
Experimental design of study on Diptychocarpus strictus.
Table 1.
Summary of a two-way ANOVA showing the effects of different germination season/watering regime treatments (T) (i.e. AW, SW and SNW) and seed morph (S) on phenology, survival, morphology and number and mass of siliques and of seeds from Diptychocarpus strictus offspring.
Table 2.
Effect of germination season/watering regime on phenology, survival, morphology and silique and seed production of plants in Diptychocarpus strictus (mean ±1 s.e.).
Figure 3.
Effect of germination season/watering regime on dry mass accumulation (A) and allocation (B) (mean ±1 s.e) in Diptychocarpus strictus.
AW, autumn-germinating plants watered; SW, spring-germinating plants watered; SNW, spring-germinating plants not-watered. Bars with different letters for total dry mass (A) or for portions of bars for dry mass allocation (B) indicate significant difference in multiple range comparison (Tukey's HSD, P = 0.05).
Figure 4.
Effects of germination season/watering regime on number ratios and mass ratios of siliques and of seeds per individual (mean ±1 s.e.) in Diptychocarpus strictus.
AW, autumn-germinating plants watered; SW, spring-germinating plants watered; SNW, spring-germinating plants not-watered. Bars with different letters within each of the four ratio categories are significantly different in multiple range comparison (Tukey's HSD, P = 0.05).