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Study on the Growth Rhythm of the Long-day Onion in Heilongjiang Province(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年03
Page:
20-22
Research Field:
Publishing date:

Info

Title:
Study on the Growth Rhythm of the Long-day Onion in Heilongjiang Province
Author(s):
ZHANG Zheng; CHANG Chun-ling; LI Yong-jie; WANG Yong
（Key Laboratory of Biology and Genetic Improvement of Horticultural Crops Northeast Region，Ministry of Agriculture，School of Horticulture，Northeast Agricultural University,Harbin，Heilongjiang 150030）
Keywords:
long-day onion; leaf length; bulb; fresh weight; growth rhythm
PACS:
-
DOI:
10.11937/bfyy.201503006
Abstract:
With long-day onion main varieties in Heilongjiang of‘Changrihuang’，‘Masa’and‘Hongyun’as materials，the growth rhythm of them were studied，to provided the basis for scientifically fertilizer management.The results showed that，3 onion varieties in the growth season，the growth of leaf length and sheaths appeared hurry first then slow trend；shoot fresh weigh showed a rapid growth trend after June 20th；horizontal and vertical diameter showed two enlargement periods；but underground fresh weight changed little for the first enlargement preriod (June 15th to June 30th)，while the weight of onion bulbs increased rapidly for the second enlargement.Fertilizer and water management could be carried out in accordance with the corresponding period of several key production.

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Memo

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Last Update: 2015-02-28