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Effect of Growth Regulators on Hermaphroditic Flower Development on Male Asparagus Plants(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年11
Page:
24-26
Research Field:
Publishing date:

Info

Title:
Effect of Growth Regulators on Hermaphroditic Flower Development on Male Asparagus Plants
Author(s):
LIU Meng; WANG Shanshan; NIE Lanchun; LI Junping
(College of Horticulture，Agricultural University of Hebei，Baoding，Hebei 071001)
Keywords:
asparagus; plant growth regulators; hermaphroditic flowers
PACS:
-
DOI:
10.11937/bfyy.201611006
Abstract:
Male plants of 3-year-old Asparagus officinalis L.were used as materials，treated with different concentration of PBO，PP333 and GA3 at spear stage and flower bud stage to study the effects on hermaphroditic flower development on male asparagus plants.The results showed that，PBO and PP333 decreased male flower size and stamen but promoted ovary development.GA3 increased the male flower size and promoted pistil development.All male flowers of GA3 treatment not only had developed ovaries but also styles.These effects of 3 regulators all showed larger when treated at spear stage than that treated at flower bud stage.Pistil of male flower treated with 300 mg?L-1 GA3 at spear stage was well-developed with 1.6 mm length ovary and 1.54 mm length style with stigma.These male flowers were morphological bisexual flowers with full-developed pistils and stamens.

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Last Update: 2016-07-14