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Heat bears down on California grapes
date:Aug 26, 2021
eyre able to reflect the light instead of absorbing it.

The heat is slowing down the maturity of grapes. Typically in hot temperatures, the plant will retrieve sugars and store more carbohydrates to deal with the heat stress, says Markarian. So sugar development in the fruit is slower. He also adds that the leafy canopy has a tendency as well to defoliate if its stressed too much by the heat, and that defoliation in turn can cause sunburn on certain varieties.

This means growers are turning to

12/22 20:34