Study on the Peony’s Flowering Regulation Response to B₉
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《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年10期

Page:

56-60

Research Field:

Publishing date:

Info

Title:

Study on the Peony’s Flowering Regulation Response to B₉

Author(s):

LIU Na¹; QIN An-chen¹; CHEN Xue¹; HAN Ya-fei¹; MA Jun-yan²

1.College of Landscape Architecture and Tourism，Agricultural University of Hebei,Baoding,Hebei 071000；

2.The People’s Government of Xibaipo Town of Pingshan County of Shijiazhuang City in Hebei Province，Shijiazhuang，Hebei 050400

Keywords:

peony; B₉; florescence control; response

PACS:

S 685.11

DOI:

-

Abstract:

With different concentrations of B₉ and varieties of peony as experimental materials,using the method of open air spraying,a research on condition of response to spraying B₉ at different stage,spraying different concentration of B₉ and mix of B₉ and PP₃₃₃?on delaying Peony’s florescence and physiological property through experiment of peony florescence control in Xibaipo were carried out,in order to provide reference to delaying florescence and increasing ornamental rate.The results showed that in the open air，peony florescence could be extended when B₉ in different concentration，B₉ in small concentration and B₉，PP₃₃₃ with concentration was sprayed，the effect of florescence control by B₉ was closely related to peony varieties，the reagent concentration，the terrain，topography and climate in that very year of experimental fields.Florescence could not be extended when 10 000 mg/L B₉ was sprayed in different stages to ‘Luoyanghong’，which had distinctive effect on floral initial rate and the flower diameter,it could short the spend floral life，but it could evidently increased floral initial rate when 10 000 mg/L B₉ was sprayed starting from small-windbell stage，the flower diameter could be evidently increased when 10 000 mg/L B₉ was sprayed starting from big-windbell stage.Flowerscence could not be extended when 10 000 mg/L B₉ was sprayed in different stages to ‘Lanzikui’,flowers could not open in seting up stage，it could evidently increase the flower diameter.Total florescence could be extended 1~2.7 days and the end of the florescence could be extended 0.4~0.6 days when B₉ in different concentration was sprayed to ‘Daojin’,it could evidently increased floral initial rate and extend spend life,but reduce the flower diameter，which had the best effect to extend total florescence and the end of the florescence with 10 000 mg/L B₉.Total florescence could be extended 0.2~1.2 days，the initial florescence could be extended 0.7~1.3 days and the end of the florescence could be extended 1.3~2.3 days when B₉ in different concentration was sprayed to ‘Luoyanghong’ daily starting from seting up stage，it could evidently extend spend life and increase the flower diameter，which had the best effect to extend florescence with 100 mg/L B₉.The initial florescence could be extended 2.0 days when B₉ and PP₃₃₃ with concentration ratio of 480∶320 and 280∶420 was sprayed，it could evidently lower floral initial rate and reduce the flower diameter，the total florescence could be extended 3.7 days when B₉ and PP₃₃₃ with concentration ratio of 280∶420 was sprayed，which had the best effect to extend florescence.

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