Flowering phase control method for promoting paeonia rockii to flower in winter
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A technology for regulating the flowering period of peony purpura, applied in horticultural methods, botany equipment and methods, horticulture, etc., can solve problems such as high abortion rate, few flower heads, and sparse branches and leaves, so as to save economic investment, improve economic benefits, and plant tall effect
Inactive Publication Date: 2015-06-10
GANSU AGRI UNIV
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In the actual implementation, the applicant found that due to the different physiological characteristics of the plants, the method of promoting flowering of the peony in the Central Plains was used in the method of pr...
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Embodiment 1
[0023] Example 1: With the main goal of flower supply in the Spring Festival, 23 flower-promoting cultivars of peony purpura were taken as the research objects, and the promoting cultivation technology for relieving flower bud dormancy of peony purpura was studied in Lanzhou, Gansu.
[0024] In the present embodiment, the current domestic common purple-spotted peony varieties are selected to illustrate the implementation process of the present invention. Among them, the purple-spotted peonies used are the following varieties: 'Peace White Hydrangea', 'Sincere', 'Damofeng', 'Jiaorong', 'Xiaoxue × Baishao', 'Xiaoxue', 'ideal', 'Xianglu Ziyan' , 'Iron Face Selfless', 'Pink Crown', 'Big Petal White', 'Rich Red', 'Sapphire Blue', 'Pink Hairpin and Jade Scarf', 'Purple Sea and Silver Waves', 'Flying Beacon Smoke', 'Flying Cranes in the Blue Sky' , Caiguan Yincui', 'Fenyusantai', 'Fenlan', 'Snow Lotus', 'Chrysanthemum Fen' and 'Ziguan', the selected 23 varieties have strong branches,...
Embodiment 2
[0036] Embodiment 2: 230 pots (10 pots per variety) of 4-5 year-old grafted seedlings in total 23 varieties (10 pots for each variety) were used as research objects, and the promoting cultivation measures described in group III were used to further verify the flower-promoting technology.
[0037]The time for seedling raising and potting is in October after the flower buds are fully differentiated. A large number of studies conducted by the applicant have shown that the effective accumulated temperature required for flowering of the purple spot peony is about 640°C, so the seedlings should be raised 60-65 days before the target flowering period. Water the field about 20 days before the emergence of seedlings, select robust plants with full buds, and raise the seedlings after all the leaves fall from November 10 to 15 and one week before the soil freezes, and put the soil balls in the pot immediately (pots with an inner diameter of 35 to 50 em ), to ensure that the capillary root...
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Abstract
The invention discloses a flowering phase control method for promoting paeonia rockii to flower in winter. The flowering phase control method comprises the following steps: 1) plant selection: selecting perennial individual seedlings or grafted seedlings during the period from the completion of the spring flowering phase to the flower bud differentiation of the paeonia rockii, and after leaf falling and before soil freezing, lifting the seedlings and potting, and trimming the plant types to keep the effective flower buds; 2) outdoor hardening: potting the paeonia rockii seedlings in the middle of November and watering, placing outdoors at natural low-temperature environment below 0 DEG C for at least 30 days, reaching the lowest effective accumulative temperature of 640 DEG C and the lowest chilling time of 360 h; and 3) after the outdoor hardening, transplanting the seedlings into a warming greenhouse to culture to flower, wherein the greenhouse conditions are controlled as follows: the day temperature is 19-25 DEG C, the night temperature is 10-6 DEG C, the illumination intensity is 18000-20000 lux and the humidity is 50-70%. The flowering phase control method is based on the biological characteristics of the paeonia rockii, the dormancy of the paeonia rockii is released at low temperature and the flower forcing is completed at high temperature, so that the whole culture process is simplified, no hormone treatment is required, the investment is saved, the quality of the potted paeonia rockiiinter in winter is improved and the economic benefit is improved.
Description
technical field [0001] The invention relates to a florescence regulation method for promoting winter flowering of purple spot peony, which belongs to the field of flower cultivation. Background technique [0002] Purple Spotted Peony (Paeonia rockii T.Hong et J.J.Li) is a famous ornamental and medicinal plant unique to my country. cold characteristics. Purple spot peony is a deciduous subshrub of the family Paeoniaceae, with erect stems and a height of 1.5m. The lower part of the stem is a bipinnate compound leaf with a long stalk; the lower first pinna is ovate-oblong, with 2-7 second pinnae, and the bottom two pinnae are broadly ovate. Three-parted or entire, lobes ovate-elliptic or oblong-lanceolate, upper surface glabrous, back sparsely pilose. The flowers are large and beautiful, with solitary branch tops, about 10 petals, white, with large black-purple markings on the ventral base, light yellow filaments, leathery discs, 5-8 carpels, and yellow-white stigmas. The fl...
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