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|標題:||Annual Changes in Leaf Nutrient Contents of Mango 'Chiin Hwang'
|關鍵字:||芒果;Nutrient Contents;金煌;葉片;無機養分;Leaf;Mango;'Chiin Hwang'||Project:||興大園藝, Volume 23, Issue 1, Page(s) 53-61.
Horticulture NCHU, Volume 23, Issue 1, Page(s) 53-61.
The objective of this experiment was to investigate the annual change in mineral nutrients of mango 'Chin-Hwang' in Chi-Yi area, Chia-Yi county, Taiwan. Results showed that nitrogen concentration of mango leaf was high during fruit development, but decreased significantly after harvesting and while the young shoots started to grow (approximately after September 2) and followed by maintaining a low but stable content. Calcium concentration, in general, had a tendency to increase gradually while K content of the leaf decreased after blooming. However, K concentration increased as fruit developing process continued and diminished to the lowest point at the final stage of fruit development, and on the rise as new shoot began to grow. Magnesium concentration was high at the beginning of the fruit development and drpopped at a later stage and accumulated to a relatively high level with new shoot growth. Unlike other macroelements, P concentration gradually decreased in the leaf during the early stage of fruit develpoment, however it began to increase from the midstage of fruit development. Mn concentration diminished while Zn concentration maintained at a rather constant level throughout the experiment only slightly enhanced as new shoot appeared. Fe concentration of the leaf was high during the early fruit developing period and gradually lowered to a stable condition at mid stage and remained unchanged.
According to the experimental data, the best sampling stage for leaf analysis is from anthesis to full blooming when mineral nutrients accumulated to a certain level abd remained constant.
|Appears in Collections:||園藝學系|
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