Linxia Paeonia rockii heating grafting method

Abstract

The invention relates to a Linxia Paeonia rockii heating grafting method. The method includes the following steps: (1) selecting the time between the end of the October and the early of the November as the grafting time; (2) selecting a plurality of rectangular leeward sunny lands, deeply turning over the lands, crushing soil particles, selecting the lands as seedling beds, and taking the upper layer of soil having the thickness of 10 cm to be stored for use; (3) flatting the seedling beds, and then laying a plurality of electrical heating wires in parallel; (4) digging planting holes among the electrical heating wires in the seedling beds; (5) selecting stocks; (6) selecting scions; (7) grafting the scions to the stocks in a cleft grafting manner, and planting the stocks with the scions in the planting holes; (8) mixing the stored soil of the step (2) and etridiazole, adding the mixed soil in the seedling beds, compressing the soil layer by layer, watering the seedling beds with 50% carbendazim 800 times dilution thoroughly once, and turning on a power supply to perform heating; (9) performing continuously heating, and then performing management according an open field management mode; and (10) managing the Linxia Paeonia rockii according to the open field management mode after germination of Linxia Paeonia rockii buds in spring of next year, and planting the the Linxia Paeonia rockii seedlings with soil in an open field the middle of August of the second year. The method is simple and is high in survival rate.

Description

technical field [0001] The invention relates to a grafting method, in particular to a heating grafting method of Linxia purple spot peony. Background technique [0002] The purple spot peony is known as the peony of "national beauty and heavenly fragrance", and enjoys a high reputation in the world. The purple-spotted peony belongs to the Northwest peony species group. The purple-spotted peony is named for the obvious purple spot at the base of the petals. The cultivars are mainly concentrated in the vast areas where the ancient Silk Road passes in the Weihe, Taohe and Daxia river basins in Gansu. In Gansu, the cultivation of purple peony can not only be traced back to the Tang Dynasty, but it is currently cultivated in more than 60% of the counties and cities in the whole province. [0003] The Linxia purple spot peony is the most typical representative among them. With its graceful and luxurious shape, rich and gorgeous flower colors, strong and straight growth, and rich ...