There are many sweet potato varieties. How to choose high quality sweet potato varieties?

Sweet potatoes have always been loved by everyone, especially the roasted sweet potatoes on the street in winter look very attractive and taste even more beautiful. However, the cultivation of sweet potatoes still need to choose the right varieties, but I do not know the type of sweet potato varieties asked by the subject. Here, let's introduce the scientific development of agriculture.

At present, there are many common types of sweet potatoes in the market, which can be divided into purple sweet potato, red sweet potato, white sweet potato and yellow sweet potato according to their color.

According to the type of use, it can be divided into: edible sweet potato, high starch sweet potato, preserved fruit sweet potato, feed sweet potato and so on. First, let's take a look at edible sweet potatoes. The varieties in which sweet potatoes are currently well received in the market are: Yanshu 25, Shangshu 19, Xushu 18, Yushu 13, Pushu 23, and Yanzi Potato No. 1 are all good sweet potato varieties.

In particular, sweet potato 25 is more recognized in the market in recent years, which tastes sweet and soft waxy, which is very suitable for roasted sweet potato. However, the price is slightly higher, sweet potatoes have more moisture and are not resistant to storage. On the other hand, Xushu 18 belongs to the elder of sweet potato varieties, and it is grown in many places.

In addition, let's talk about the sweet potato varieties with relatively high starch content, which are specially used to produce starch. Most of the sweet potato starch and sweet potato noodles we eat are extracted from these potato varieties. At present, the varieties with good market response are Sushu 11, Yushu 7, Shangshu 9, Yusu 8 and other varieties, which have high starch content and good yield.

The above two types should be said to be the more commonly used types of sweet potatoes. In addition to these, there are also sweet potatoes for feed. This kind of sweet potatoes generally requires a high yield, as well as medicinal sweet potatoes, which are mainly used to extract medicinal ingredients from sweet potatoes to treat diseases.

Here again how to select high-quality sweet potato varieties.

First of all, we must go to the regular seller where to buy, to buy has been approved sweet potato varieties, such sweet potato varieties are at least guaranteed in quality. Do not buy those sweet potato varieties with exaggerated publicity, such as the word "potato king", this kind of sweet potato variety is best not to buy.

The second is to select sweet potato varieties according to the local planting environment. Not all sweet potato varieties are suitable for the local planting environment. In addition, sweet potatoes like sandy loam, if the local soil conditions do not meet the growth habits of sweet potatoes, no matter how good sweet potato varieties are useless. In addition, the varieties of sweet potatoes should be reasonably selected according to the different ways of use and the ripening time of local sweet potatoes.

The third is to introduce varieties from reliable departments, and the introduction area is preferably disease-free. In addition, when selecting seeds, do not blindly pursue the size of potato chunks, which not only affect the taste, but also are not welcomed by the market in the sales process.

Finally, the resistance of sweet potato should be considered. in addition to the outstanding taste, the resistance of a good sweet potato variety must also be good, including disease resistance, waterlogging resistance, drought resistance and soil adaptability.

Here is science to promote agriculture, welcome to add attention, with you to grow knowledge.

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