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Biological control of clover cyst nematode Heterodera trifolii : a thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Plant Science (Plant Pathology) at Massey University, Palmerston North, New Zealand

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Figure

Figure 2- 1 Soil sampling process
Figure 2-3 The extraction of H. trifolii cysts and their observation
Figure 2-6 (a) Soil temperature eC, 10 cm soil depth) from the Meteorological records at AgResearch Palmerston North and mean soil moisture levels (% dry weight), (b) Mean wet root weights (g) / 1 00 ml soil in fortnightly samples from a permanent white cl
Figure 2-7 Rainfall (mm) from the Meteorological records at AgResearch
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