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Plants interactions between Suaeda salsa individuals are mediated by salinity stress

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Zhang H., Li J.-N., Wang G.-X., Dai X.-F., Qiu M.-Q., Zheng K.-F.

Acta Physiologiae Plantarum

2008

tom 30

nr 1

To test how plants interactions change with environmental stress, neighbors removal experiments in Suaeda salsa communities of beach were conducted in Hangzhou bay Zhejiang Province, China. Results showed that there is a significant shift from positive interaction in high salinity stress to negative interaction in low salinity stress. Removal experiments also clarified the role of phenotype response in linking plants interactions and environmental stress. Under low salinity stress, biomass, stem length, root length, leaf area, and photosynthesis rate, water-use efficiency of neighbors removal plants were higher than those of control plants, while leaf water content of neighbors removal plants were lower than those of control plants. Under high salinity stress, biomass, stem length, root length, leaf area, and photosynthesis rate, leaf water content of neighbors removal plants were lower than those of control plants, while water-use efficiency of neighbors removal plants were higher than those of control plants. It can be concluded that S. salsa interactions were mediated by salinity stress through morphological and physiological plasticity.

Ograniczanie wyników

1 Acta Physiologiae Plantarum

1 Dai X.-F.

1 Li J.-N.

1 Qiu M.-Q.

1 Wang G.-X.

1 Zhang H.

1 Zheng K.-F.

1 2008

Wyniki wyszukiwania

Plants interactions between Suaeda salsa individuals are mediated by salinity stress