Effects of different fertilizer formulas on the growth of loquat rootstocks and stem lignification
文献类型： 外文期刊
作者： Xu, Fangjie 1 ; Chu, Changbin 2 ; Xu, Zhihong 3 ;
作者机构： 1.Shanghai Acad Agr Sci, Shanghai Key Lab Protected Hort Technol, Forestry & Pomol Res Inst, 1000 Jinqi Rd, Shanghai 201403, Peoples R China
2.Shanghai Acad Agr Sci, Ecoenvironm Protect Inst, 1000 Jinqi Rd, Shanghai, Peoples R China
3.Zhejiang A&F Univ, Coll Agr & Food Sci, 88 North Huancheng Rd, Lian Dist 311300, Zhejiang, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2020 年 10 卷 1 期
页码：
收录情况： SCI
摘要： Grafting is a common method of variety propagation in loquat breeding, the slow growth of rootstocks is a main factor limiting the expansion of this technique. This study aimed to evaluate the effects of seven different fertilizer formulas on the growth of loquat rootstock seedlings, five water-soluble fertilizer formulas, as well as organic fertilizer and controlled-release fertilizer were evaluated. An unfertilized control (CK) was also performed. Growth indicators including plant height, stem thickening and lignification, leaf area, root development, dry matter accumulation, spatial distribution of nutrient elements, and cross-sectional anatomy of stem were measured. The results showed that the addition of microelements in fertilizer could significantly delay the lignification process of the cambium, which exhibiting the greatest improvement in stem thickening. Phosphorus nutrition could significantly promote the occurrence of fibrous roots, while excessive phosphorus supply might disturb the absorption and utilization of nitrogen of roots, intensify the lignification process of the main stem, and then affect the growth of the aboveground part. The findings of this research could provide a theoretical basis for identifying an optimum fertilization formula and technique for promoting the rapid growth and accelerating the lignification process at different stages of loquat rootstock seedling growth.
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