Traditional Culture Encyclopedia - Weather inquiry - When will ten thousand rape flowers bloom in Xinghua?

When will ten thousand rape flowers bloom in Xinghua?

Thousands of rape flowers in Xinghua are in full bloom in the middle and late March every year, and it is expected to enter the full flowering period around March 23.

Every spring, thousands of scenic spots are surrounded by water, and the "crib fields" are full of golden rape flowers. The rape blossoms everywhere attracted many tourists. "Thousands of rivers and clear waters, but no piles of yellow flowers in the fields" is a true portrayal of cauliflower in Xinghua's heaped fields.

Rape flower belongs to the genus Panicum, which is clustered with green stems, yellow flowers and leaves distributed at the base. Moreover, the flowers of rape flowers are arranged in a cross shape, mostly open at the top of the stem, distributed in spikes, with oval petals, small flowers and light fragrance.

Rape flower is a straight-rooted crop with developed rhizome, which can penetrate deep into the soil, grow more fine roots and spread around. Moreover, rape flower has strong cold resistance, can overwinter in the open field, and has more pollen when flowering, so it is one of the common nectar plants.

Factors affecting flowering of rape flowers

Temperature is the most significant factor affecting rape flowering. When the temperature is low, the flowering progress is slow and the flowering period is long. At high temperature, the flowering period is fast and short. It was observed that the suitable temperature for flowering was 14℃- 18℃, and the number of flowers decreased significantly when the temperature was lower than 10℃. Generally, it does not bloom below 5℃. Short-term low temperature will not have a serious impact on flowering and young pods, but if the low temperature lasts for a long time, there will be no fruit.

The flowering time of rape flowers is 7- 12 every morning, and the flowering time is the most after 10. In sunny, cloudy and cloudy weather, the average number of flowers reached 53. 10- 1 1 is 60%, and after about 24 hours, the unfolded petals gradually shrink and fall off.