Searching for light

Searching for light After germinating, the plant searches its way to the light. There it can start photosynthesis to obtain sugars, energy. To find light the plant stretches its hypocotyl, the part of the stem between the root and the embryogenic leaves, as far as it can. This is enabled by energy that is storedContinue reading “Searching for light”

Natural insecticide

Natural insecticide Plants have an arsenal of weapons to deal with insects. Think, releasing for the insect unpalatable smells, or maybe smells that attract predator insects that eat the plant eating ones. But also think, releasing a, for insects, deadly toxin. This all makes sure that a plant will survive a plague of hungry insects.Continue reading “Natural insecticide”

Light lets plants breathe

Light lets plants breathe Researchers from Singapore discovered how light lets plants breathe. Plants breathe using stomata, these are special cells located on the underside of the leaf. In contrast to normal plant cells, these cells are not connected to each other with a cell wall. This is creating a pore through which air canContinue reading “Light lets plants breathe”

Evening and morning plants

Evening and morning plants Just like people, plants have a biological clock. This helps plants to recognise when it is morning and when the evening starts. The biological clock consists, just like our analogue timepiece, through an ingenious radar work of interconnecting feedback loops. These are self-correcting so that not every passing cloud is signallingContinue reading “Evening and morning plants”