Influence of Climatic Factors on Yield and Nutrition of Zhaotong Apples

doi:10.11923/j.issn.2095-4050.cjas2024-0116

Abstract

Abstract:

In this study, data on yield and quality of Zhaotong apples were obtained from China National Knowledge Internet (CNKI) full text database and Web of Science database (WOS), a linear model was established by fitting a regression model using least squares estimation in order to study the effects of climatic factors on yield and quality of Zhaotong apples. The coefficient of determination of annual rainfall was low for yield and soluble solids content, and was high for titratable acid and water contents. Mean annual temperature had lower coefficients of determination for single fruit weight, titratable acid content and fruit shape index, and had higher coefficients of determination for yield and soluble sugar content. In the Zhaotong apple growing area, the increase of annual rainfall and mean temperature decreased apple quality, while the increase of mean annual maximum temperature increased apple yield, and the increase of mean annual minimum temperature increased single fruit weight. Taking into account the current climatic factors and future trends, it is recommended to plant varieties tolerant to high temperatures and to irrigate 2-3 times from autumn to spring. In breeding and production management, it is recommended to focus on the selection of varieties with extended cold periods and late flowering and working out production programs.

Key words: climate factors, Zhaotong apple, yield, rainfall, temperature

WU Dan, TANG Lina, WANG Jing, MENG Yuanyan, ZHANG Xiaolong, LIU Li, WU Dong, HUANG Guoyan, ZHANG Xiuying, CAI Rongjing, XU Liuxing. Influence of Climatic Factors on Yield and Nutrition of Zhaotong Apples[J]. Journal of Agriculture, 2025, 15(9): 84-91.

Figures/Tables 9

References 28

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时间	农艺管理
1月	施底肥
4月	施肥（包括叶面肥）、喷施农药、灌溉
5月	喷施农药
6月	除草、喷施农药
7月	施肥（包括叶面肥）、喷施农药
8月	除草、喷施农药
9月	喷施农药
10月	施肥
11月	灌溉

时间	农艺管理
1月	施底肥
4月	施肥（包括叶面肥）、喷施农药、灌溉
5月	喷施农药
6月	除草、喷施农药
7月	施肥（包括叶面肥）、喷施农药
8月	除草、喷施农药
9月	喷施农药
10月	施肥
11月	灌溉

项目	降雨量		年平均气温
项目	线性拟合方程	R²	线性拟合方程	R²
Yi	y = 0.0003x+39.956	0.00004	y = 4.4776x-16.349	0.6465
SFW	y = 0.1213x +131	0.3789	y = 2.3821x+191.27	0.0066
SSo	y = 0.0013 x+13.536	0.0609	y = -0.6305 x+22.5	0.4002
TA	y = -0.0004 x+ 0.5706	0.6915	y = 0.021 x+0.0091	0.0424
VC	y = -0.0828 x+79.348	0.4400	y = 11.251 x-127.74	0.1979
SSu	y = 0.0204 x-0.4653	0.1563	y = -8.7521 x+128.56	0.7200
SR	y = 0.041 x+9.8483	0.3781	y = -30.674 x+431.82	0.5253
Mo	y = -0.012 x +91.53	0.8906	y = 1.0543 x+69.694	0.3568
Ha	y = -0.0032 x+11.011	0.3004	y = 0.8446 x-2.0987	0.5657
FSI	y = 0.0305 x-19.388	0.4397	y = -0.0831 x+4.843	0.0001

项目	降雨量		年平均气温
项目	线性拟合方程	R²	线性拟合方程	R²
Yi	y = 0.0003x+39.956	0.00004	y = 4.4776x-16.349	0.6465
SFW	y = 0.1213x +131	0.3789	y = 2.3821x+191.27	0.0066
SSo	y = 0.0013 x+13.536	0.0609	y = -0.6305 x+22.5	0.4002
TA	y = -0.0004 x+ 0.5706	0.6915	y = 0.021 x+0.0091	0.0424
VC	y = -0.0828 x+79.348	0.4400	y = 11.251 x-127.74	0.1979
SSu	y = 0.0204 x-0.4653	0.1563	y = -8.7521 x+128.56	0.7200
SR	y = 0.041 x+9.8483	0.3781	y = -30.674 x+431.82	0.5253
Mo	y = -0.012 x +91.53	0.8906	y = 1.0543 x+69.694	0.3568
Ha	y = -0.0032 x+11.011	0.3004	y = 0.8446 x-2.0987	0.5657
FSI	y = 0.0305 x-19.388	0.4397	y = -0.0831 x+4.843	0.0001

	AR	LCAR	AMCR	AMCPD	YAAT	AMT	AMMT	AEMAT	AELT	AARH	AMRH	ASH	AAWS
Yi	0.006	-0.338	0.745	0.365	0.804	0.903*	0.339	0.788	0.023	-0.482	-0.177	0.277	-0.001
SFW	0.616	0.424	0.502	0.116	0.081	0.298	0.834*	0.029	0.450	-0.301	-0.524	0.514	-0.310
SSo	0.248	-0.075	0.000	-0.488	-0.633*	-0.605*	-0.302	-0.412	-0.176	-0.463	-0.251	0.027	0.034
TA	-0.833*	0.121	-0.511	0.166	0.218	0.508	0.645	0.145	0.670	0.579	0.128	-0.041	-0.161
VC	-0.663	-0.227	-0.086	-0.574	0.445	0.107	0.066	0.236	0.266	0.651	0.126	0.579	0.551
SSu	0.395	0.164	-0.552	-0.563	-0.848*	-0.535	0.105	-0.129	0.112	0.153	-0.168	-0.097	-0.304
SR	0.615	0.973	0.973	0.947	-0.725	-0.725	-0.842	-0.869	0.297	-0.972	-0.460	-0.395	-0.460
Mo	-0.944	-0.234	-0.232	0.607	0.597	0.930	0.605	-0.425	0.692	0.134	-0.348	0.596	-0.089
Ha	-0.548	0.083	0.041	0.485	0.752**	0.659*	0.207	0.560	0.380	0.497	0.049	0.158	0.247
FSI	0.663	0.355	0.230	0.397	-0.011	0.212	0.829*	-0.253	-0.676	-0.052	-0.523	0.111	-0.605