Ipomoea Batatas profile

Ipomoea Batatas has slender stems that crawl to the ground. Root tubers produce lactic acid without oxygen breath, skin color sends white or redness. Flesh is mostly yellow white, but also has purple, besides offering edible outside.
Ipomoea Batatas, also known as sweet potato in northern China, is an important ingredient. Ipomoea Batatas are sliced, dried and made into dried ground melon, which is a very delicious food.

Ipomoea Batatas picture

Morphological characteristics of Ipomoea Batatas

The subterranean portion of Ipomoea Batatas has rounded, oval, or fusiform tuberous roots, the shape, skin color, and flesh color of the tuberous roots vary from species to soil. Stems are prostrate or ascending, occasionally twining, much branched, cylindrical or ribbed, green or purple, sparsely pilose or glabrous, nodes prone to adventiate roots. Blade shape, color is often different varieties varies, sometimes in the same plant with different leaf shape, margin entire or 3-5 (7), lobes ovate, triangular ovate or wide linear lanceolate, base of leaf blade or close to the heart, apex acuminate, on both sides puberulous or nearly glabrous, leaf color with thick green, yellow, green, purple, green, etc. The color of the parietal lobe is one of the characteristics of the variety. Petiole is unequal, sparsely pilose or glabrous. Cymes are axillary, slightly stout, glabrous or sometimes sparsely pilose. Bracts are small, lanceolate, apical or abruptly apical, caducous. Sepals are oblong or elliptic, unequal, apex abruptly awn-apical, glabrous or sparsely ciliate. Stamens and styles are inlaid, filaments basally hairy. Ovary is 2-4-loculed, hairy or sometimes glabrous.

Ipomoea Batatas growth habit

Ipomoea Batatas likes light and temperature and is a shade intolerant crop. Low temperature is harmful to its growth. When the temperature drops to 15℃, it stops growing. Below 9 ° C, Ipomoea Batatas will gradually rot due to cold damage. In the range of 18~32℃, the higher the temperature, the faster the Ipomoea Batatas growth rate, more than 35℃ is adverse to growth. The optimum temperature for root formation and expansion is 20~30℃, and the optimum temperature is 22~24℃.

The yield of both aboveground and subterranean parts is high, the stems and leaves are luxuriant, the root system is developed, the growth is rapid, and the transpiration is strong. Ipomoea Batatas requires more water. The relative water content of the soil should be maintained at 60-70 {bf} in the early and late growth stage, and the middle growth stage is the peak growth stage of stem and leaf and the Ipomoea Batatas block expansion stage, and the relative water content of the soil should be maintained at 70~80 {bf}.Strong adaptability to soil, good acid and alkaline resistance, can adapt to the range of soil pH4.2~8.3.

Ipomoea Batatas regional distribution

[Distribution in China] Ipomoea Batatas are distributed in Beijing, Linyi, Shandong, Henan, Tianjin, Hebei, The Three Northeastern Provinces, Inner Mongolia, Yunnan, Sichuan, Hubei, Gansu, Anhui, Fujian and other places in China.

[World distribution] Ipomoea Batatas are distributed in South America and the Greater and lesser Antilles, and in tropical and subtropical regions of the world (mainly south of latitude 40° N).

Propagation method of Ipomoea Batatas

Because Ipomoea Batatas are cross-pollinated, self-pollination is often fruitless, so they sometimes see no fruit at all. So Ipomoea Batatas roots are used to grow strong seedlings and then planted.

In order to improve the survival rate and early growth of seedlings, the first batch of seedlings should be selected from the seedling bed. The first batch of seedlings had strong stems, vigorous leaves and developed roots. Bile should be fully refined seedlings, generally seedlings before planting in the bed after 3 ~ 5d of sun, so that the leaves of seedlings dark green, thick leaves, such as seedlings nipped out of a section, the section of white which is out. The transplanting seedlings have high survival rate, fast growth and high yield. Do not choose unrefined seedlings, with black root potato seedlings, burning sprout potato seedlings.

The main value of Ipomoea Batatas

1, nutritional value: Ipomoea Batatas root contains 60 {bf} {bf} - 80 water, 10 30 {bf} {bf} - starch, sugar and about 5 {bf} a small amount of protein, fat, cellulose, hemicellulose, pectin, ash content, etc., if the fresh sweet potato into 0.5 Kg to 2.5 Kg of grain, its nutrient composition in addition to the fat, protein, carbohydrate content is higher than rice, flour, high content of essential amino acids, especially grain cereal is lack of lysine content is higher in sweet potato. In addition, Ipomoea Batatas is rich in vitamins (carotene, vitamins A, B, C, E), and its starch is easily absorbed by the body.

2. Medicinal value: Ipomoea Batatas contains unique bioflavonoids, which can facilitate defecation and effectively inhibit the occurrence of breast cancer and colon cancer. It can improve the function of digestive organs, nourish liver and kidney, and also effectively treat hepatitis and jaundice.