There is a potato grower/researcher in Zimbabwe that is discussing one of his plans for research is to show that stems that turn green do not produce tubers.
That makes some sense, and it will be interesting to see the results and documentation. If so, it means making sure the stem is buried before turning green is necessary, and that might be the most helpful piece of information to have when growing in bags. Looking back in the photos above, the tubers really have only formed on the stems when the stems are still brown.
Unless the stem color can change from green back to brown when buried under the soil?
|