Research on Changes of Leaf Carbohydrates and Nutrients During the Flowering Process of Manglietia aromatica

doi:10.11924/j.issn.1000-6850.casb2023-0043

Abstract

Abstract:

Through the preliminary field survey, it was found that the flowering and fruiting rate of Guangxi Manglietia aromatica was low, and there were differences in flowering and fruiting of M. aromatica in two different regions. In view of the role of carbohydrates and nutrient elements on flowering and fruiting, a study was conducted on M. aromatica. In this research, we analyzed the changes and differences in leaf carbohydrates and nutrient contents during flowering and fruiting in two regions of Guangxi Du’an and Leye, with a view to providing theoretical guidance for its high-quality and efficient cultivation. The results showed that: (1) during the whole study period, the soluble sugar and starch contents of Leye M. aromatica were higher than those of Du’an M. aromatica; with the change of time, the carbohydrate contents of the leaves of M. aromatica in the two regions showed the same trend of change, with the soluble sugar content increasing first and then decreasing, while the starch content continued to increase. (2) The N, P, and K contents of the massive elements in the leaves of the M. aromatica of Du’an and Leye showed N>K>P, and the N and K contents of the M. aromatica of both places showed the same trend from the bud stage to the early stage of fruit formation, and the P and K contents of the M. aromatica of both places showed the same trend from the flowering stage to the young fruit stage; from the flowering stage to the young fruit stage, the Ca contents of the leaves of the balsam lilies of both places showed a decreasing trend and then an increasing trend, while the Mg contents did not change significantly throughout the flowering period. The order of trace elements was Fe>B>Mn>Zn>Cu, and there were differences in the pattern of changes of trace elements in different locations during different developmental periods. (3) The contents of K, Mg, Mn, Cu and Zn in the leaves of Du’an M. aromatica were significantly lower than those of Leye M. aromatica from the bud stage to the flowering stage, while the contents of P, B and Zn were significantly higher than those of Leye M. aromatica at the early stage of fruit formation and the young fruit stage, and the contents of Ca were significantly higher than those of Leye M. aromatica at the bud stage and the early flowering stage.

Key words: Manglietia aromatica, flowering, carbohydrates, nutrients elements

WEI Hongri, YANG Qiancheng, QIN Yonghua, LIU Shinan. Research on Changes of Leaf Carbohydrates and Nutrients During the Flowering Process of Manglietia aromatica[J]. Chinese Agricultural Science Bulletin, 2024, 40(1): 52-59.

Figures/Tables 6

References 37

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时期	地点	Ca/(g/kg)	Mg/(g/kg)	B/(mg/kg)	Fe/(g/kg)	Mn/(mg/kg)	Cu/(mg/kg)	Zn/(mg/kg)
花蕾期	乐业	28.70±0.30b^**	2.37±0.06b^**	42.78±1.57b	0.28±0.01a	33.35±0.32c^**	7.65±0.19bc^**	22.93±0.41a^**
花蕾期	都安	40.37±0.72a	1.92±0.01b	41.64±0.16d	0.29±0.01a	20.44±0.04c	5.66±0.01d	13.03±0.03c
初花期	乐业	28.57±0.60b^**	2.46±0.08b^*	51.18±0.65a	0.15±0.01c^**	46.44±0.86b^**	7.93±0.09b^**	22.46±0.17a^**
初花期	都安	39.72±0.02ab	1.84±0.08b	48.45±1.22b	0.20±0.00b	23.85±0.32b	5.99±0.13c	11.72±0.04c
盛花期	乐业	36.55±0.38a	2.66±0.03a^**	52.34±1.01a ^*	0.17±0.00c	49.78±0.01a^**	7.50±0.26c^**	17.79±0.09c^**
盛花期	都安	38.52±0.99b	1.88±0.03b	45.02±1.13c	0.16±0.01d	26.96±0.05a	5.10±0.14e	12.21±0.04c
果实形成初期	乐业	8.78±0.02d^*	2.77±0.02a^*	22.52±1.42d ^**	0.24±0.01b^*	22.64±0.61e^*	12.43±0.10a^**	22.80±0.12a^**
果实形成初期	都安	10.10±0.21d	2.93±0.03a	61.14±0.20a	0.17±0.01d	20.32±0.10c	7.96±0.13b	26.93±0.41b
幼果期	乐业	17.82±0.42c^*	2.46±0.03b^*	29.97±0.20c^**	0.15±0.01c	27.89±0.12d^**	10.05±0.08b	18.49±0.40b^**
幼果期	都安	21.07±0.69c	2.92±0.14a	47.58±1.72bc	0.18±0.00c	23.76±0.40b	9.74±0.11a	30.06±0.14a

时期	地点	Ca/(g/kg)	Mg/(g/kg)	B/(mg/kg)	Fe/(g/kg)	Mn/(mg/kg)	Cu/(mg/kg)	Zn/(mg/kg)
花蕾期	乐业	28.70±0.30b^**	2.37±0.06b^**	42.78±1.57b	0.28±0.01a	33.35±0.32c^**	7.65±0.19bc^**	22.93±0.41a^**
花蕾期	都安	40.37±0.72a	1.92±0.01b	41.64±0.16d	0.29±0.01a	20.44±0.04c	5.66±0.01d	13.03±0.03c
初花期	乐业	28.57±0.60b^**	2.46±0.08b^*	51.18±0.65a	0.15±0.01c^**	46.44±0.86b^**	7.93±0.09b^**	22.46±0.17a^**
初花期	都安	39.72±0.02ab	1.84±0.08b	48.45±1.22b	0.20±0.00b	23.85±0.32b	5.99±0.13c	11.72±0.04c
盛花期	乐业	36.55±0.38a	2.66±0.03a^**	52.34±1.01a ^*	0.17±0.00c	49.78±0.01a^**	7.50±0.26c^**	17.79±0.09c^**
盛花期	都安	38.52±0.99b	1.88±0.03b	45.02±1.13c	0.16±0.01d	26.96±0.05a	5.10±0.14e	12.21±0.04c
果实形成初期	乐业	8.78±0.02d^*	2.77±0.02a^*	22.52±1.42d ^**	0.24±0.01b^*	22.64±0.61e^*	12.43±0.10a^**	22.80±0.12a^**
果实形成初期	都安	10.10±0.21d	2.93±0.03a	61.14±0.20a	0.17±0.01d	20.32±0.10c	7.96±0.13b	26.93±0.41b
幼果期	乐业	17.82±0.42c^*	2.46±0.03b^*	29.97±0.20c^**	0.15±0.01c	27.89±0.12d^**	10.05±0.08b	18.49±0.40b^**
幼果期	都安	21.07±0.69c	2.92±0.14a	47.58±1.72bc	0.18±0.00c	23.76±0.40b	9.74±0.11a	30.06±0.14a