Response of sweet basil to different irrigation rates and some micronutrients

Sahar Awadallah, M. Mohamed, K. Refaie
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引用次数: 2

Abstract

Water deficiency is the greatest problem facing the world nowadays. So, reducing the plant water requirements is a very strategic aim. This investigation aims to examine the effect of irrigation rates and various doses of micronutrients on vegetative growth, oil yield, and the composition of sweet basil (Ocimum basilicum L.). A field experiment was conducted in a new sandy reclaimed land for two seasons. Different irrigation rates [60, 80, and 100% from gross irrigation requirements (IRg)] were examined. The farm irrigation rate was used as an irrigation control. Also, different rates of either Iron (Fe) or Manganese (Mn) (100, 200, and 300 ppm) in addition to farm fertilization as control were investigated in combination with irrigation rates. The response of plants to irrigation and micronutrients were recorded as growth and oil yield parameters. Results proved that plants irrigated with 100% of IRg and 300ppm of either Fe or Mn were superior compared with untreated plants (regular farm irrigation rate and fertilization). The vegetative growth characteristics were improved as a result of 100% of IRg and 300ppm of either Fe or Mn compared with the control. Also, volatile oil yield and components were enhanced at the same treatments. While the highest percentage of volatile oil was obtained at 60% of IRg in combination with 300ppm of either Fe or Mn. The results reflect the Fe and Mn roles in the activation of the enzymes, which may help plants to overcome the deficiency of water in the newly
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甜罗勒对不同灌水量及微量元素的响应
缺水是当今世界面临的最大问题。因此,降低工厂用水需求是一个非常具有战略意义的目标。本研究旨在研究灌溉速率和不同剂量的微量营养素对甜罗勒(Ocimum basilicum L.)营养生长、油产量和成分的影响。检查了不同的灌溉率[60%、80%和100%的总灌溉需求(IRg)]。农场灌溉率被用作灌溉控制。此外,除了农场施肥作为对照外,还结合灌溉率研究了不同的铁(Fe)或锰(Mn)施用率(100、200和300ppm)。植物对灌溉和微量营养素的反应被记录为生长和产油参数。结果证明,用100%的IRg和300ppm的Fe或Mn灌溉的植物比未处理的植物(常规农场灌溉率和施肥)要好。与对照相比,100%的IRg和300ppm的Fe或Mn改善了营养生长特性。同时,在相同的处理条件下,挥发油的产量和组分都有所提高。而60%的IRg与300ppm的Fe或Mn组合可获得最高百分比的挥发油。结果反映了Fe和Mn在酶激活中的作用,这可能有助于植物克服新品种中的水分不足
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发文量
60
审稿时长
16 weeks
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