New Insight of Horticultural Crops Growth Regulation

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Biotic and Abiotic Stress".

Deadline for manuscript submissions: closed (25 January 2024) | Viewed by 1990

Special Issue Editors

College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China
Interests: plant physiology; growth and quality regulation; phytohormones; plant nutrient; abiotic stress

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Guest Editor
College of Agriculture, Guizhou University, Guiyang 550025, China
Interests: fruit quality; growth and development of fruit; epigenetic regulation
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Special Issue Information

Dear Colleagues,

The growth, yield, and quality of horticultural crops are influenced by genetic factors and environmental conditions. However, crops are often exposed to various biotic and abiotic stresses, which negatively impact crop yield and quality. Stress factors, such as drought, salinity, extreme temperatures, light intensity, heavy metals, increased acidity, pesticide load, and diseases, cause changes in plants’ development. Preventing crop loss due to these factors minimizes the loss of genetic potential, thereby increasing the crop yield and quality. To achieve this goal, we must first understand the physiological and molecular mechanisms of plants’ resistance to the damaging effects of biotic and abiotic factors. Second, we must help plants find strategies to cope with biotic and abiotic stresses. This Special Issue of Horticulturae welcomes original research and review studies on new insights into the growth regulation of horticultural crops, including, but not limited to, the following subtopics: the effects of exogenous substance on the growth regulation of horticultural crops exposed to biotic and abiotic stresses, the influence on the production of secondary metabolites, the transcriptional and epigenetic regulation of the growth and development of horticultural products, and strategies for improving crop production and quality.

Dr. Linli Hu
Dr. Yongchao Zhu
Guest Editors

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Keywords

  • horticultural crops
  • biotic and abiotic stresses
  • exogenous substance
  • secondary metabolites
  • transcriptional and epigenetic regulation

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Published Papers (1 paper)

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Research

15 pages, 3073 KiB  
Article
The Application of Nitrogen, Phosphorus, and Potassium Regulate the Growth and Morphological Development of Torreya grandis (Taxaceae) Saplings
by Xiaomin Ma, Dongchen Huang, Cheng Huang, Yinhao Tong, Feiyang Yuan, Xiaoxiang Ma, Hua Liu and Songling Fu
Horticulturae 2023, 9(11), 1203; https://doi.org/10.3390/horticulturae9111203 - 5 Nov 2023
Cited by 1 | Viewed by 1286
Abstract
Torreya grandis Fort. ex Lindl. cv. “Merrillii” is an important woody oil crop, and the development of plantations relies on the cultivation of high-quality saplings. For this study, 6-year-old grafted T. grandis saplings, which will soon be planted on the mountain, were selected [...] Read more.
Torreya grandis Fort. ex Lindl. cv. “Merrillii” is an important woody oil crop, and the development of plantations relies on the cultivation of high-quality saplings. For this study, 6-year-old grafted T. grandis saplings, which will soon be planted on the mountain, were selected to investigate the regulatory effects of nitrogen (N), phosphorus (P), and potassium (K) on their growth and morphology. To determine the optimal dosage and ratio of N–P–K fertilizer for sapling cultivation, we employed a three-factor four-level L16 (43) orthogonal experiment design. The experiment included a total of 17 treatments—a control group where no fertilizer was applied and 16 treatments with varying levels of NPK supply. We conducted a one-season experiment under a prescribed fertilizer regime and measured root collar diameters and sapling heights, the root, shoot, leaf biomass, total biomass, and the nutritional status of plant organs (root, shoot, leaf). From these measurements, we calculated the root–shoot ratio (RS) and seedling quality index (QI). The application of N–P–K fertilizer exhibited significant benefits for T. grandis sapling cultivation, promoted their growth and biomass accumulation and altered the nutrient allocation patterns in organs. Ultimately, we determined the ideal N–P–K ratio for T. grandis growth to be 1:0.46:0.75, with a fertilizer application of 1.38 g·sapling−1 of N, 0.64 g·sapling−1 of P (P2O5), and 1.04 g·sapling−1 of K (K2O). Full article
(This article belongs to the Special Issue New Insight of Horticultural Crops Growth Regulation)
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