马铃薯的结构是什么，如何种植？
1.Sow the seeds and cut them into a bud. If you are too small, you can leave two. Put one at each point.
2.During germination, buds begin to germinate and germinate from tubers.
3.The seedling stage is 20-25 days from seedling emergence to buds.
4.During the tuber formation period, the tuber growth was divided into 3 stages. The 20-25 day from bud to flower is called early stage of stem formation. It is the second stage from the flowering to the end. The third stage is starch accumulation period, which is the end stage of tuber formation.
5.A dormant period when the tuber is formed into a dormant period. At this time, even if potatoes are placed in a suitable environment, they can not germinate. This is called physiological dormancy.
Expanding information:
Potato ( scientific name: Solanum tubosum L. ) is a perennial herb of solanaceae, with edible tubers. it is the fourth most important food crop in the world, after wheat, rice and corn. Potatoes are also called eggs, potatoes, potato, etc. tubers of solanaceae plants. With wheat, rice, corn and sorghum, it has become the world's five largest crops.
Potato originated in the Andean region of south America. the history of artificial cultivation can be traced back to the southern region of Peru from 8000 BC to 5000 BC.
参考资料:百度百科 马铃薯
