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Technical highlights - Department of Primary Industries ...

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.<br />

Pod production (pods per plant)<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

peach in light<br />

peach in shade<br />

yellow in light<br />

yellow in shade<br />

standard error<br />

J F M A M J J A S O N D<br />

Month<br />

Figure 3.1 Pod production <strong>of</strong> the peach-flowering and yellow-flowering biotypes <strong>of</strong> Captain<br />

Cook tree as affected by months and light conditions<br />

Pod production (pods per plant)<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

0<br />

peach in light<br />

peach in shade<br />

yellow in light<br />

yellow in shade<br />

standard error<br />

1 2 4 8<br />

Plant density (plants per pot)<br />

Figure 3.2 Pod production <strong>of</strong> the peach-flowering and yellow-flowering biotypes <strong>of</strong> Captain<br />

Cook tree as affected by plant densities and light conditions<br />

Podding plants (%)<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

0<br />

0.5 1.0 1.5 2.0 2.5 3.0 3.5<br />

Years after germination<br />

light<br />

shade<br />

standard error<br />

Figure 3.3 Percentage <strong>of</strong> peach-flowering plants producing pods under light and shaded<br />

conditions at Mingela<br />

Experiment 3<br />

Approximately 3.3 years after<br />

germination, 81% <strong>of</strong> peach-flowering<br />

plants exposed to full sunlight conditions<br />

were alive. In contrast, 45% <strong>of</strong> plants<br />

growing under full shade had died.<br />

Those remaining alive were on average<br />

1.3 m and 0.4 m in height when grown<br />

under sunlight and shaded conditions,<br />

respectively. Furthermore, 44% <strong>of</strong><br />

the original plants exposed to full<br />

sunlight have started producing pods,<br />

compared with no plants in shaded areas<br />

(Figure 3.3). The experiment is ongoing.<br />

Part 1 Integrated weed management 9

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