Allelochemicals extract of star fruit (Averrhoa carambola L.) modulates wheat growth through alterations in anatomical architecture

IF 1.8 4区 农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY Crop & Pasture Science Pub Date : 2023-01-31 DOI:10.1071/CP22373
Syed Mohsan Raza Shah, S. Fatima, M. Hameed, Sana Basharat, M. Ahmad, F. Ahmad, A. Asghar, Majid Anwar, Fozia Yasmin, Muhammad Ashraf, Jazab Shafqat
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Abstract

Abstract Context. Allelopathy is recognised as a potential technology to control weeds, and could also be a suitable approach for enhancement of crop yield. Aims. The study was conducted to investigate the allelopathic role of Averrhoa carambola leaf extract on growth, anatomical and physiological features of three wheat lines, namely 3094, 7076 and A2011. Methods. Three dilutions i.e. 0% (control), 15% and 30% of the leaf aqueous extract were applied at 15 day intervals (total five applications) on wheat lines until maturity. Key results. All wheat lines showed differential behaviour to allelochemicals of A. carambola leaf extract. Increased root area was accompanied by a high proportion of storage parenchyma tissues and enlarged vascular bundles in line 3094. Disintegration of root cortical parenchyma and complete transformation of chlorenchyma into sclerenchyma in stem was recorded in all wheat lines, particularly at the highest concentration of leaf extract. Line 7076 showed very different behaviour, as it possessed a proportionally enlarged root cortex, enlarged stem vascular bundles and increased leaf thickness, primarily at the highest concentration of leaf extract. Line A2011 was relatively more sensitive, indicating a significant reduction (P < 0.05) in root and stem area and deformed leaves. Conclusions. A low concentration (15%) of leaf extract promoted growth and development, whereas a higher concentration caused significant reduction in growth and anatomical attributes. Implications. A lower dose of Averrhoa leaf extract promoted growth and development in all wheat lines, and hence can be used as a growth promoter. A higher concentration is important for eradicating unwanted plants.
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星形果实(Averrhoa carambola L.)的等位化学物质提取物通过解剖结构的改变调节小麦生长
抽象上下文。化感作用被认为是一种潜在的杂草控制技术,也是提高作物产量的合适方法。目标。研究了杨桃叶提取物对3094、7076和A2011三个小麦品系生长、解剖和生理特性的化感作用。方法。在小麦品系上每隔15天施用三种稀释液,即0%(对照)、15%和30%的叶水提取物(总共施用五次),直到成熟。关键成果。所有小麦品系对杨桃叶提取物的化感物质表现出不同的行为。根面积的增加伴随着3094品系中高比例的贮藏薄壁组织和增大的维管束。在所有小麦品系中,特别是在叶提取物浓度最高的情况下,都记录到根皮层薄壁组织的分解和茎中的厚壁组织的完全转化。品系7076表现出非常不同的行为,因为它具有成比例增大的根皮层、增大的茎维管束和增加的叶厚度,主要是在最高浓度的叶提取物下。品系A2011相对更敏感,表明根和茎面积以及变形叶片显著减少(P<0.05)。结论。低浓度(15%)的叶提取物促进了生长和发育,而高浓度则导致生长和解剖属性显著降低。含义。较低剂量的Averrhoa叶提取物促进了所有小麦品系的生长和发育,因此可以用作生长促进剂。更高的浓度对根除不需要的植物很重要。
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来源期刊
Crop & Pasture Science
Crop & Pasture Science AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
4.20
自引率
15.80%
发文量
111
审稿时长
3 months
期刊介绍: Crop and Pasture Science (formerly known as Australian Journal of Agricultural Research) is an international journal publishing outcomes of strategic research in crop and pasture sciences and the sustainability of farming systems. The primary focus is broad-scale cereals, grain legumes, oilseeds and pastures. Articles are encouraged that advance understanding in plant-based agricultural systems through the use of well-defined and original aims designed to test a hypothesis, innovative and rigorous experimental design, and strong interpretation. The journal embraces experimental approaches from molecular level to whole systems, and the research must present novel findings and progress the science of agriculture. Crop and Pasture Science is read by agricultural scientists and plant biologists, industry, administrators, policy-makers, and others with an interest in the challenges and opportunities facing world agricultural production. Crop and Pasture Science is published with the endorsement of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) and the Australian Academy of Science.
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