Lehto, T.H.. 1990 Effects of mycorrhiza and drought on photosynthesis and water relations of Sitka spruce. Agriculture, Ecosystems and Environment, 28 (1-4). 299-303. 10.1016/0167-8809(90)90055-I
Containerised, mycorrhizal (Paxillus involutus) and nonmycorrhizal Sitka spruce (Picea stitchensis) seedlings were grown to comparable size and nutrient contents. The effects of drought were assessed by (1) following the decline of total shoot water potentials in relation to soil moisture content, and (2) measuring net photosynthesis, leaf conductances and plant water potentials after droughting seedlings. Most parameters measured did not show a mycorrhizal effect, whether plants were subjected to drought or not.
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