Al-Ajlouni Malik G, Othman Yahia A, Abu-Shanab Nour S, Alzyoud Lujain F
Department of Horticulture and Crop Science, University of Jordan, Amman 11942, Jordan.
Plants (Basel). 2024 Aug 17;13(16):2293. doi: 10.3390/plants13162293.
Roses are increasingly being grown in soilless systems to increase productivity and reduce the challenges associated with soil-based cultivation. This study investigates the effects of using cocopeat and volcanic tuff substrates, the particle size of tuff, and substrate depth on the growth and flower quality of roses ( L. cv. top secret) grown under greenhouse conditions. The treatments were cocopeat, tuff, cocopeat-tuff mixture, and tuff of particle size of 2 to 4 mm, 0 to 4 mm, and 0 to 8 mm at depths of 20 cm and 40 cm. The results showed that cocopeat had the highest water-holding capacity and photosynthetic rate. Tuff substrates had higher chlorophyll content throughout the growing season. Although flower numbers per plant in cocopeat and tuff from 0 to 8 mm at a depth of 20 cm were statistically similar, tuff from 0 to 8 mm had longer flowering stems and larger post-harvest flower diameters than cocopeat. An increase in the tuff depth from 20 to 40 cm decreased the flower number and main stem diameter. In conclusion, while cocopeat promotes rapid initial growth, volcanic tuff substrates, particularly tuff from 0 to 8 mm at a depth of 20 cm, provide long-term benefits for flower quality and plant health.
为了提高产量并减少与土壤栽培相关的挑战，玫瑰越来越多地在无土系统中种植。本研究调查了使用椰糠和火山凝灰岩基质、凝灰岩的粒径以及基质深度对温室条件下种植的玫瑰（L. cv. top secret）生长和花朵品质的影响。处理包括椰糠、凝灰岩、椰糠 - 凝灰岩混合物，以及粒径为2至4毫米、0至4毫米和0至8毫米的凝灰岩，深度分别为20厘米和40厘米。结果表明，椰糠具有最高的持水量和光合速率。在整个生长季节，凝灰岩基质的叶绿素含量较高。虽然在20厘米深度下，椰糠和0至8毫米的凝灰岩中每株植物的花朵数量在统计学上相似，但0至8毫米的凝灰岩的花茎更长，收获后的花朵直径比椰糠更大。将凝灰岩深度从20厘米增加到40厘米会减少花朵数量和主茎直径。总之，虽然椰糠促进了初期的快速生长，但火山凝灰岩基质，特别是20厘米深度下0至8毫米的凝灰岩，对花朵品质和植物健康具有长期益处。
