The below mentioned article provides notes on colchicine. In 1937 O.G. Eigsti first succeeded in inducing tetraploidy in cells of onion root tips by the chemical colchicine. This is an alkaloid obtained from the seed and corm of liliaceous plant Colchicum autumnale. In high concentrations the drug is highly toxic to cells. If used in concentrations as low as 0.01% [...]
The upcoming discussion will update you about the differences between Tuber and Bulb. Difference # Tuber: 1. A plant bears a number of tubers. 2. A tuber represents swollen end of a stolon. 3. The stem is enlarged. 4. A tuber is devoid of roots. 5. Food is stored in the stem. 6. The surface bears a number of eyes, [...]
The upcoming discussion will update you about the differences between Tap Root Systems and Adventitious Root Systems. Difference # Tap Root Systems: 1. It arises from the radicle of the embryo. 2. Primary root is persistent. 3. It is always underground. 4. There is a single main root. 5. It can be deep feeder or surface feeder. 6. Main root [...]