Introduction of Huangxin sweet potato varieties: characteristics and high-yield cultivation points of Qinshu 9 sweet potato, Xiangtian 1

There are many kinds of sweet potatoes, such as purple heart sweet potato, yellow heart sweet potato, white heart sweet potato and so on. Do you know what kinds of common yellow heart sweet potatoes are?

Qinshu 9

Variety source: this variety is a new edible sweet potato variety with super high yield, high quality and high efficiency, which was discovered by Agricultural Science Research Institute of Baoji City, Shaanxi Province in 2007.

Characteristics: Qinshu 9 sweet potato plant type creeping, leaves, petioles green, stem green-brown, potato long strip, light red skin, light yellow meat, single plant tuber 3 rain 5, comprehensive nutrition, extremely resistant to storage. Determined by Jiangsu Xuzhou Sweet Potato Research Center, the dry rate was 32.62%, the dry starch content was 64.49%, the protein content was 6.96%, the glucose content was 3.28%, and the sucrose content was as high as 11.47%.

Yield performance: the average yield of fresh potato is about 3000kg per mu, and high-yield cultivation can break through 5000kg.

Key points of high-yield cultivation:

⑴ chose virus-free sweet potato seedlings to plant.

⑵ application sweet potato formula special fertilizer, it is recommended to use Tianji sweet potato special formula fertilizer at 9:11:22, early topdressing seedling fertilizer, re-application of "edge fertilizer", depending on the growth of stems and leaves in the later stage, we should apply "crack fertilizer" or extra-root topdressing as appropriate.

⑶ is suitable for early implantation and reasonable close implantation. 3000 spring potatoes and 3500 summer potatoes per mu

⑷ has wide adaptability, drought, waterlogging and fertilizer tolerance, labor-saving management and few adventitious roots in stem nodes. There is no need to turn the seedlings, pay attention to the control of insect pests.

⑸ harvested in good time.

Market prospect: this variety is of excellent quality, sweet and full-bodied, excellent taste, best-selling market and reliable benefit!

Xiangtian No. 1: 5000-6000 jin per mu, medium vine type, yellow-green leaves, light red potato skin, orange red potato meat, sweet taste, suitable for fresh food, roasted potatoes, processed preserved potatoes.