Chemical mines Lots of our crops miss defence mechanisms against insects. A defence that is precent in their wild relatives. And to be honest, for a long time a good insect defence mechanism was not a top priority for crops. As pesticides had taken over this job. But now farmers put pesticides aside, it isContinue reading “Chemical mines”
Category Archives: Science
Pattern
Pattern The stomata in the leaf of a plant are more or less equally distributed. They are forming a pattern. But not at the moment of germination, then there are no stomata. Afterwards they are formed supper quickly. Researchers from America now discovered that already during embryo development this stomata pattern is being formed. TheContinue reading “Pattern”
All at once by the clock
All at once by the clock What we see as the flower of a sunflower consist actually out of hundreds of tiny flowers. These develop one by one, from the outside in, forming a spiral. Till the moment of opening, that they do in groups, ring by ring, the outside ring first. But how theContinue reading “All at once by the clock”
Langere wortels
Langere wortels Om beter tegen droogte te kunnen is het handig om bij dieper gelegen water te kunnen. Langere wortels die dieper de aarde penetreren helpen hierbij. Het is een van de eigenschappen waarop veredelaars selecteren voor de ontwikkeling van tarwe dat droogte kan weerstaan. Een groot struikelblok hierbij is dat er weinig bekend isContinue reading “Langere wortels”
Plant en Zo 