and a negative test for starch in the areas which lack chlorophyll. This is evidence that chlorophyll is required for photosynthesis. A plant can be ‘de-starched’ by leaving it in the dark for ...

The secret ingredient? Potato starch. This common household item, known for thickening soups and sauces, is also a nutrient-rich additive that can help your plants flourish. Also read The ...

Before carrying out any photosynthesis practical it is necessary to destarch the plant by placing it in the dark for at least 48 hours. During this time any starch will be removed or used.