What is abiotic stress tolerance?

February 17, 2021 2 min read

What is abiotic stress tolerance?

In a previous blog post we covered the different types of plant stressors and how they’re categorised.

To summarise:

The two main groups are abiotic stressors and biotic stressors. In this blog we’re focusing on abiotic stress, which refers to factors that are non-living. These could be:

  • Too much water
  • Not enough water
  • Too much sunlight
  • Not enough sunlight

Plants suffer if their environmental needs are not met. We can think about this in terms of humans. We all need the right nutrients, the right amount of water and exercise to stay alive. If that balance is not right, then we can become unwell. The same is true for plants.

The tolerance levels of environmental imbalances depend on the thresholds a plant has. Once the threshold is crossed, then it may experience irreversible damage. We see evidence of this every year in autumn. Leaves turning orange and dropping is a coping mechanism as a tree acclimatises to the change in environmental conditions. The loss of leaves reduces the energy a plant needs to protect itself, meaning it can conserve resources. It has compensated for the abiotic stress so that the plant can then survive the winter. 

Our biostimulants help these natural defence mechanisms.  They make your plants more resilient by increasing their threshold for irreversible damage and therefore improving tolerance to these abiotic stress events. To relate this back to humans again:

If there was a situation which inflicted stress on human bodies, you would expect those individuals who are more athletic to fare better compared to those who are not at such a healthy baseline.

The Magic Molecule Co. products support your plants, boosting them to be ‘more athletic’ and tolerant, and therefore better able to recover from inevitable environmental stressors. Why wouldn’t you want your plants to be the best they can be?

To view our full product range, click here

Magic Molecules Product Range


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