VITIS: Vol. 63, Art. 2, 11 pp. (2024) | DOI: 10.5073/vitis.2024.63.02

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VITIS: Vol. 63, Art. 2, 11 pp. (2024) | DOI: 10.5073/vitis.2024.63.02 | Yang et al.

Original Article

Xiaojuan Yang^1,2,*, Jingbo Sun³, Buchun Liu^1,2, Yankun Sun^3,*, Xingjie Ji⁴, Qingzu Luan⁵,Yuan Liu^1,2, Tianjie Lei^1,2, Wei Bai^1,2, Di Chen^1,2, Mohamed A.E. AbdelRahman^6,7

Spatial and temporal characteristics of dryness/wetness for grapevine in the Northeast of China between 1981-2020

Affiliations

¹ Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, PR China
² National Engineering Laboratory of Efficient Crop Water Use and Disaster Reduction, Chinese Academy of Agricultural Sciences, Beijing, PR China
³ College of Resources and Environment, Northeast Agricultural University, Harbin, PR China
⁴ Henan Institute of Meteorological Sciences, Zhengzhou, Henan, PR China
⁵ Beijing Municipal Climate Center, Beijing, PR China
⁶ Division of Environmental Studies and Land Use, National Authority for Remote Sensing and Space Sciences (NARSS), Cairo, Egypt
⁷ State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China (the Institute of Agricultural Resources and Regional
Planning, Chinese Academy of Agricultural Sciences, Beijing, China)

Correspondence

*Xiaojuan Yang: yangxiaojuan@caas.cn; *Yankun Sun: 511064380@qq.com

(c) The author(s) 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/deed.en).

Submitted/accepted for publication: May 10, 2023/December 18, 2023.

Table of Contents

Supplementary material

Table: Crop coefficient and growth stages of grapevine.

Month	Time of month^Note	Crop coefficient	Growth stage
May	Late	0.35	Bud burst
	Middle		Shoot growth
	Late		Shoot growth
June	Early	0.52	Flowering
	Early		Berry development
	Middle
July	Early	0.76
	Middle
	Late
August	Early	0.70
	Middle
	Late
September	Early	0.60
	Middle		Maturation
	Late
October	Early	0.45
October	Middle	0.45

^Note “Early” indicates the 1^st day to the 10^th day of a month, “Middle” indicates the 11^th day to the 20^th day of a month, and “Late” indicates the 21^st day to the end of the month.

Fig. S1: Curves of UF and UB for the precipitation (P), water requirement (ETc) and CWSDI for different growing stages of grapevine in the Northeast wine region of China between 1981–2020.

Fig. S2: The variation of percentage of stations suffering from drought (PSSD) and wetness (PSSW) for different growing stages of grapevine in the Northeast wine region of China between 1981–2020.

Fig. S3: Spatial distribution of average precipitation for different growing stages of grapevine in the Northeast wine region of China between 1981–2020 (a) bud burst; (b) shoot growth; (c) flowering; (d) berry development, (e) maturation; (f) full growth.

Fig. S4: Spatial distribution of average ETc for different growing stages of grapevine in the Northeast wine region of China between 1981–2020 (a) bud burst; (b) shoot growth; (c) flowering; (d) berry development, (e) maturation; (f) full growth.

Fig. S5: Spatial distribution of CWSDI for different growing stage of grapevine in the Northeast wine region of China between 1981–2020 (a) bud burst; (b) shoot growth; (c) flowering; (d) berry development, (e) maturation; (f) full growth.

Fig. S6: Spatial distribution of drought frequency for different growing stage of grapevine in the Northeast wine region of China between 1981–2020 (a) bud burst; (b) shoot growth; (c) flowering; (d) berry development, (e) maturation; (f) full growth.

Fig. S7: Spatial distribution of wet frequency for different growing stage of grapevine in the Northeast wine region of China between 1981–2020 (a) bud burst; (b) shoot growth; (c) flowering; (d) berry development, (e) maturation; (f) full growth

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