publication . Article . 2017

Stress Effects of Chlorate on Longan (Dimocarpus longan Lour.) Trees: Changes in Nitrogen and Carbon Nutrition

Jiemei LU; Ruitao YANG; Huicong WANG; Xuming HUANG;
Open Access English
  • Published: 01 Nov 2017 Journal: Horticultural Plant Journal (issn: 2468-0141, Copyright policy)
  • Publisher: KeAi Communications Co. Ltd.
Abstract
Three-year-old potted longan (Dimocarpus longan Lour. cv. Shixia) trees were treated with potassium chlorate and effects on nitrogen and carbon nutrition were examined. The results showed that potassium chlorate at 10 and 20 g per pot failed to induce flower but suppressed shoot growth and caused leaf chlorosis and drop. The treatment significantly inhibited nitrate reductase but increased nitrogen concentration in the leaves and buds. Concentration of soluble amino acids in the leaves of treated trees increased within 14 days and then declined to the control level, while it increased constantly in buds. In both organs, the amino acid increase was an all-round o...
Subjects
mesheuropmc: food and beverages
free text keywords: potassium chlorate, longan, Plant culture, SB1-1110, carbon nutrition, nitrogen nutrition
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