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Effects of Germanium on Growth and Development and  Photosynthetic Characteristics of Garlic(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年09
Page:
34-37
Research Field:
Publishing date:

Info

Title:
Effects of Germanium on Growth and Development and  Photosynthetic Characteristics of Garlic
Author(s):
SUI Jing1; ZHENG Wei1; LI Wei2; HAO Shuqin1
(1.Laiwu Vocational and Technical College,Laiwu,Shandong 271100;2.Administration Bureau of Gardens in Laiwu,Laiwu,Shandong 271100)
Keywords:
germanium; garlic; photosynthesis; growth; chlorophyll
PACS:
-
DOI:
10.11937/bfyy.201709007
Abstract:
The cultivar ‘Jinsuan 2’ garlic seedlings in pots were used as materials and were sprayed by germanium solution at the concentration of 0.30,0.60,0.90 g?L-1.Effects of germanium on growth and development and photosynthetic characteristics of garlic were studied,with spraying distilled water as control.The results showed that the plant height,pseudostem diameter,leaf area and root activity of garlic increased with the increasing of germanium concentrations when the germanium concentrations were in the range of 0.30-0.60 g?L-1.When the concentration increased to 0.90 g?L-1,they were significantly decreased.These growth index reached the highest level at 0.60 g?L-1 treatment,which was increased by 1.6%，5.3%，2.0% and 20.0% relative to control group.At the same time,the chlorophyll and carotenoid contents,net photosynthetic rate,transpiration rate and stomatal conductance in garlic leaves were also improved with the increase of germanium concentrations ranging from 0.30 g?L-1to 0.60 g?L-1 and then decreased when the concentration continued increasing.These indexes all reached the highest levels at 0.60 g?L-1.The net photosynthetic rate,transpiration rate and stomatal conductance was increased by 40%，38% and 36% relative to control group.The results indicated that the 0.60 g?L-1 germanium was the best concentration for the garlic growth and photosynthesis.

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Last Update: 2017-05-12