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缺锌柑桔喷锌前后叶片超微结构对比(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1987年04期
Page:
109-112
Column:
研究简报
publishdate:
1900-01-01

Article Info:/Info

Title:
A CONTRAST BETWEEN THE ULTRASTRUCTURES OF THE ORANGE LEAVES SUFFERING FROM ZN-DEFICIENCY AND THOSE SPRINKLED WITH ZINC FERTILIZER
Article ID:
1000-2006(1987)04-0109-04
Author(s):
Huang Jinsheng (Nanjing Forestry University)Ouyang Tao
Institute of Soil Science, Academia Sinica, Nanjing
Keywords:
Orange Leave Ultrastructure Zinc fertilizer
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1987.04.015
Document Code:
A
Abstract:
Oranges suffering from Zn-deficiency often result in chlo rosis in the intei’-veinal ateas of the leaf, and it can be eliminated by sprinkling zinc fertilizer After studying with an electronic microscope the ultrastructures of the orange leaves Iccking zinc and those sprinkled with zinc fertilizer, we discover. (1) The major characteristics of leaf calls of Zn-deficient plants are that the cytoplasm, the endoplasmic reticulum and the ribosomes are poor, and that there are generally big starch grains in the chloroplasts. (2) After the sprinkling of zinc fertilizer, the structure of leaf cells returns to normal; the [cytoplasm is rich, the amount of chloroplast increases, and a lot of rough endoplasmic rgticulum with various shapes in the cytoplasm can be found. Furthermore, the complented Zinc can promote the photosynthesis of Zn-def icient plants and improve their N-metabolism, so that the yield of the fruit can be increased and the quality improved

References

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Last Update: 1900-01-01