Soil Mineral Status, Plant Ionome and Agro-Morphological Traits of Schkuhria Pinnata (L.), An Antimalarial Herb: Implications for Cultivation

Catherine Nuwagira, G. Kagoro, J. Adriko, Julius Tumusiime, A. Weisheit, E. A. Olet, C. Tolo
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Abstract

Background: Schkuhria pinnata L., is an antimalarial plant that is highly threatened by the destructive harvesting methods and its collection largely relies on wild sources, that are also exposed to over-exploitation and habitat destruction. Aim of the study: The study aimed at figuring out where S. pinnata grows best and what its growth requirements are; in order to promote the informed cultivation practices and soil selection as a viable alternative to wild harvesting. The agronomical soil nutrient status of S. pinnata, and how it relates to the agro-morphological traits and plant ionome, clues on fertiliser formulations for soils where S. pinnata does not shrive were reported. Methods: A randomised complete block design was employed in agronomical experimental plots in different agro-ecological zones that host Bushenyi, Ntungamo and Kasese districts. Standard procedures for soil and plant analysis were used to analyse soil physicochemical and plant ionome parameters while agro-morphological traits were physically evaluated. Results: Results demonstrated that soil physicochemical characteristics differed significantly across the study sites (p ≤.05). S. pinnata significantly performed better in slightly acidic to neutral soils (pH between 5.87-7.25) in Kasese than in other sites. S. pinnata harvested from Kasese had the largest total leaf area (mean = 31.43 ± 2.41cm2) and the highest plant biomass (mean = 7.65 ± 0.64 g). Conclusion: The study concluded that S. pinnata grew best in slightly acidic to neutral, sandy loam, non-saline soils of Kasese in Western Medium-High Farmland
抗疟中药山腰草的土壤矿质状况、植物离子和农业形态特征:对栽培的启示
背景:石竹是一种抗疟植物,受到破坏性采伐方法的高度威胁,其采集主要依赖于野生来源,也面临过度开发和栖息地破坏。研究目的:本研究的目的是为了弄清楚凤仙花在哪里生长最好,它的生长需求是什么;为了促进知情的栽培做法和土壤选择,作为野生采收的可行替代方案。本文报道了凤仙花的农学土壤养分状况及其与农业形态性状和植物离子组的关系,以及凤仙花不枯萎土壤施肥的线索。方法:采用随机完全区设计,在Bushenyi、Ntungamo和Kasese地区不同农业生态区的农艺试验田进行试验。采用土壤和植物分析标准程序分析土壤理化和植物离子参数,并对农业形态性状进行物理评价。结果:各研究点土壤理化特征差异显著(p≤0.05)。在Kasese的微酸性至中性土壤(pH值在5.87 ~ 7.25之间)中,桄榔子的生长性能显著优于其他试验点。结论:在西部中高农田卡塞塞的微酸性至中性、沙质壤土、非盐碱土中,卡塞塞收获的羽石竹总叶面积最大(平均为31.43±2.41cm2),生物量最高(平均为7.65±0.64 g)
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