What happened to the unicorn melon with black seeds?

Authentic Kirin watermelon is seedless watermelon with no black seeds. Only a few unicorn watermelons have few white seeds.

Black-seeded unicorn melon may be Xin Jing melon. The appearance of Xin Jing melon is very similar to that of Kirin watermelon, and vendors often pass Xin Jing melon off as Kirin watermelon.

There are many cultivated varieties in China, with different exocarp, pulp and seed shapes, among which Xinjiang, Lanzhou, Gansu, Dezhou, Shandong and Dongtai, Jiangsu are the most famous. Its original species may come from Africa, widely cultivated in tropical to temperate regions of the world, and then introduced to China.

Growth habit

Watermelon likes warm and dry climate and is not cold-resistant. The optimum temperature for growth and development is 24-30 degrees, the optimum temperature for root growth and development is 30-32 degrees, and the lowest temperature for root hair generation is 14 degrees. Watermelon needs a large temperature difference between day and night during its growth and development. Watermelon is drought-tolerant and moisture-intolerant. Too many rainy days and too high humidity are easy to get sick.

Watermelon likes light, has a long growth period and needs a lot of nutrition. With the growth of watermelon, the fertilizer requirement increases gradually, and reaches the maximum when the fruit grows vigorously. Watermelon has strong adaptability, and sandy soil with loose soil, deep soil layer and good drainage is the best. Like weak acidity, PH5-7.