Effect of Rootstocks on Mineral Nutrient Uptake in Lemon ‘Yunning No.1’

doi:10.11924/j.issn.1000-6850.casb2024-0410

Abstract

Abstract:

In order to select ‘Yunning No.1’ rootstock for efficient nutrient utilization, this study measured the content of nine mineral elements in lemon leaves and fruits of different rootstock combinations at the first physiological fruit drop, the second physiological fruit drop, the fruit expansion and fruit ripening stages, respectively. Fruit quality was measured after fruit ripening to compare the differences in mineral nutrient uptake and fruit quality of lemons on different rootstocks. The results showed that with ‘Yunning No.1’ as scion, the N and Zn contents of leaves of both rootstocks C35 and trifoliate orange, and the N, P, Mg, Mn, Zn and Cu contents of fruits were the highest in the physiological fruiting stage. And then the contents gradually decreased as the fruits enlarged and matured. In terms of fruit quality indexes, the longitudinal diameter and titratable acid content of trifoliate orange rootstocks were significantly higher than those of C35 rootstocks, and there was no significant difference in other indexes. Combining the characteristics of efficient nutrient uptake and utilization and fruit quality, trifoliate orange could be considered to use as the rootstock of ‘Yunning No.1’, to achieve efficient nutrient uptake of mineral elements.

Key words: lemon, rootstock, scion, mineral element, nutrient uptake, fruit quality, ‘Yunning No.1’, trifoliate orang

DONG Jianmei, HU Jiang, LI Jing, LIU Hongming, FU Xiaomeng, LAI Xinpu, DU Yuxia. Effect of Rootstocks on Mineral Nutrient Uptake in Lemon ‘Yunning No.1’[J]. Chinese Agricultural Science Bulletin, 2025, 41(7): 47-54.

Figures/Tables 6

References 29

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砧木	单果重/g	纵径/mm	横径/mm	果形指数	果皮厚度/mm	可溶性固形物含量/%	可滴定酸含量/%
YN/C35	159.08±21.27a	79.91±3.90a	64.61±3.54b	1.24±0.03a	4.59±0.65a	7.86±0.22a	7.04±0.64b
YN/枳	160.53±19.53a	80.76±3.83a	66.24±3.49a	1.22±0.03a	4.39±1.09a	7.73±0.69a	7.60±0.35a

砧木	单果重/g	纵径/mm	横径/mm	果形指数	果皮厚度/mm	可溶性固形物含量/%	可滴定酸含量/%
YN/C35	159.08±21.27a	79.91±3.90a	64.61±3.54b	1.24±0.03a	4.59±0.65a	7.86±0.22a	7.04±0.64b
YN/枳	160.53±19.53a	80.76±3.83a	66.24±3.49a	1.22±0.03a	4.39±1.09a	7.73±0.69a	7.60±0.35a

		叶片
		N	P	K	Ca	Mg	Fe	Mn	Cu	Zn
果实	N	0.618^**	0.110	0.430^*	-0.467^*	0.380	-0.477^*	0.619^**	0.817^**	0.608^**
	P	0.395	0.296	0.455^*	-0.189	0.449^*	-0.485^*	-0.220	0.168	0.142
	K	0.061	-0.145	-0.443^*	-0.307	-0.222	-0.375	0.267	0.086	0.060
	Ca	0.243	0.299	0.186	-0.210	0.992^**	-0.291	0.202	0.207	0.594^**
	Mg	0.610^**	0.255	0.564^**	-0.468^*	0.734^**	-0.347	0.290	0.553^**	0.472^*
	Fe	0.335	0.244	0.214	-0.266	0.873^**	-0.072	0.137	0.018	0.420^*
	Mn	0.766^**	0.167	0.534^**	-0.509^*	0.668^**	-0.353	0.518^**	0.623^**	0.611^**
	Cu	0.537^**	0.307	0.591^**	-0.186	0.708^**	-0.368	0.149	0.477*	0.431*
	Zn	0.573^**	0.226	0.584^**	-0.372	0.583^**	-0.404	0.025	0.386	0.304

		叶片
		N	P	K	Ca	Mg	Fe	Mn	Cu	Zn
果实	N	0.618^**	0.110	0.430^*	-0.467^*	0.380	-0.477^*	0.619^**	0.817^**	0.608^**
	P	0.395	0.296	0.455^*	-0.189	0.449^*	-0.485^*	-0.220	0.168	0.142
	K	0.061	-0.145	-0.443^*	-0.307	-0.222	-0.375	0.267	0.086	0.060
	Ca	0.243	0.299	0.186	-0.210	0.992^**	-0.291	0.202	0.207	0.594^**
	Mg	0.610^**	0.255	0.564^**	-0.468^*	0.734^**	-0.347	0.290	0.553^**	0.472^*
	Fe	0.335	0.244	0.214	-0.266	0.873^**	-0.072	0.137	0.018	0.420^*
	Mn	0.766^**	0.167	0.534^**	-0.509^*	0.668^**	-0.353	0.518^**	0.623^**	0.611^**
	Cu	0.537^**	0.307	0.591^**	-0.186	0.708^**	-0.368	0.149	0.477*	0.431*
	Zn	0.573^**	0.226	0.584^**	-0.372	0.583^**	-0.404	0.025	0.386	0.304