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Effects of Different Cultivation Measures on Flower Bud Germination and Growth of Oncidium Gower Ramsey(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年07期
Page:
69-73
Research Field:
Publishing date:

Info

Title:
Effects of Different Cultivation Measures on Flower Bud Germination and Growth of Oncidium Gower Ramsey
Author(s):
LIU Yan; SUN Chao; QI Xiang; WANG Ji-hong
Guizhou Institute of Biology，Guiyang，Guizhou 550009
Keywords:
Oncidium Gower Ramsey; cultivation measures; flower bud; germination; growth
PACS:
S 682.31
DOI:
-
Abstract:
The three years old tissue culture seedlings of Oncidium Gower Ramsey were used as experiment materials which treated with different illumination，different supplementary illumination time，water control，low temperature delaying in night，different fertilizations and different hormones，the effects of different cultivation measures on the flower bud germination and growth of Oncidium under greenhouse in Guiyang were studied under natural temperature condition in greenhouse.The results showed that it were in favor of the flower bud germination and growth by treated with overshadowing 50%~70% of sunlight，nevertheless，the stronger sunlight made against，but it can accelerate the flower bud germination.It significantly reduced the flower bud germination rate and growth by treated with different supplementary illumination time，water control and low temperature delaying in night.The flower bud germination and growth were promoted when high level nitrogenous and potassic fertilizers were used，but it restrained the flower bud germination and growth in treatment with K3BO3 and KCl；the flower bud germination and growth showed differently treated with different hormones，when treated with gibberellin，it was favorable for flower bud germination and growth，however，when treated with cycocel，the flower bud germination and growth were restrained.

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Last Update: 2014-08-24