Study on the change of starch content in different parts of mango flower bud regulation period

doi:10.14088/j.cnki.issn0439-8114.2021.15.016

Abstract

Abstract: Mangifera indica L. from Yunlong village, Yuanjiang was used to study the changes of starch content in buds, phloem and leaves during flower bud differentiation by spraying urea, potassium dihydrogen phosphate and multiple microfertilizer on the crown after fruit bearing branches at short flowering stage. The results showed that the starch content in buds was the highest after the application of potassium dihydrogen phosphate, and reached the maximum value （15.47 mg/g） on March 7, which was 1.94, 1.60 and 1.00 mg/g higher than that of urea, multi-microfertilizer and control, respectively. The content of starch in phloem was the highest after the application of urea, and reached the maximum value （15.65 mg/g） on March 7, which was 0.68, 2.83 and 5.96 mg/g higher than that of urea, multivariate microfertilizer and the control, respectively. The content of starch in leaves was the highest in the control group and reached the maximum value （14.47 mg/g） on March 7, which was 2.18, 2.93 and 1.73 mg/g higher than that of potassium dihydrogen phosphate, urea and multi-microfertilizer, respectively.

Key words: Mangifera indica L., flower bud regulation stage, starch content

CLC Number:

S667.7

LU Chen, ZHOU Ling, PENG Lei. Study on the change of starch content in different parts of mango flower bud regulation period[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(15): 82-84.

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