Method for breaking peony bud dormancy

Abstract

The invention relates to a method for breaking peony bud dormancy and belongs to the technical field of plant cultivation. The method comprises the following steps: 1) after putting peony in a pot androots are raised, pouring GA3 into a peony pot; 2) putting the potted peony at the leeward and sunny position after pouring the GA3, and keeping warm for the potted peony when the lowest air temperature is reduced to 2 to 4 DEG C; 3) when the daily minimum air temperature is less than -2 DEG C, immigrating the potted peony into an unheating greenhouse, starting to heat in the middle of December,increasing the room temperature to 10 to 20 DEG C after stem leaves grow, controlling the temperature to 15 to 25 DEG C in the bud growing state and later, heating the greenhouse every day and supplementing light simultaneously. A series of special operation processes of entering a storage to refrigerate, going out of the storage and entering the greenhouse are not needed by utilizing gibberellinsand a natural low-temperature method, the process of breaking the peony bud dormancy is greatly simplified, and the cost is reduced; meanwhile, compared with the traditional refrigeration storage refrigeration method, the method has the advantage of leading the flowering phase of the peony 15 to 20 days in advance.

Description

technical field

[0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a cultivation method suitable for main planting areas of peony, such as Shandong and Henan, and using gibberellin plus natural low temperature to break the dormancy of peony without low-temperature refrigeration. Background technique

[0002] Peony symbolizes wealth and auspiciousness. It has been cultivated as an outdoor ornamental flower for two thousand years and is deeply loved by the people of our country. Peony is a perennial herb that can bloom continuously for many years once cultivated. Its ornamental value is high, and flowers, stems, and buds can all be admired. Its buds are red, lovely, and full of vitality. Peony spends the dormant period with underground roots, and the aboveground part dies, which is convenient for potted flowers to load and unload and long-distance transportation.

[0003] The existing method of breaking the dormancy of the ...