1Hubei Academy of Forestry, Wuhan, Hubei, 430 075, China
2Baokang County Center of Walnut Technology, Xiangyang, Hubei, 441 600, China
3Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, Hubei, 430 070, China
Hubei Academy of Forestry, Wuhan, Hubei, 430 075, China
*Corresponding author: 498674563@qq.com
Online published on 16 November, 2019.
The experiment was conducted to find out the effect of fruit thinning in walnut (Juglans regia L.) ` final nut number, nut weight, kernel rate, nuts mineral nutrients concentration and mineral nutrients concentration within leaves during growing season of 2014 and 2015 at Baoking in Hubai, China. The fruit thinning affected nut uniformity more than final nut number, weight and kernel rate. Fruit thinning showed non-significant effect on macro nutrient (N, P and K) concentrations within kernel, but had significant effect on micronutrient (Fe, Zn and B) concentration. With more fruits been retained, N, K, Fe, B and Zn concentrations within leaves increased significantly during the fruit developing. Thus, fruit thinning management for early-bearing commercial orchard could obtain more commercially valuable nuts and reduce mineral nutrients consuming.
Concentrations, Fruit thinning, Leaf mineral nutrient, Nut characteristics
