Abstract (may include machine translation)
Aims: Excessive boron (B) can pose toxicity to many plant species, and consequently restricts land utilization in B-laden regions. The purpose of this study was to identify “agretti” (Salsola soda) as an alternative B-tolerant food crop.
Methods: Both pot and hydroponic experiments were conducted for measuring biomass, total phenolic content and B absorption of S. soda exposed to varied B treatments. Mineral element accumulation in S. soda growing in pots was also determined.
Results: No typical B toxicity symptoms were observed in pot experiment, and only slight B toxicity symptoms were observed in hydroponically-grown plants at 50, 100 and 200 mg B L−1 treatments. Biomass production was not affected in either experiment. The response of total phenolic content to B exposure varied with growing medium, parts of tissues, B treatments, and exposure times. Boron predominantly accumulated in leaves and increased with increasing B treatments in both experiments. Increased exposure time increased the transport of B from root to shoot. Increasing B treatment generally reduced the accumulation of phosphorus, manganese, selenium and arsenic, but increased the accumulation of B, molybdenum and cadmium in S. soda under specific B treatments, even the accumulation of such elements was still safe for human consumption.
Conclusions: S. soda appears to be a promising alternative crop to grow in B-laden regions such as the western SJV of Central California.
Original language | English |
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Pages (from-to) | 323-334 |
Number of pages | 12 |
Journal | Plant and Soil |
Volume | 445 |
Issue number | 1-2 |
DOIs | |
State | Published - 2019 |
Keywords
- Alternative crops
- Boron
- Mineral elements
- Salsola soda
- Total phenolics