Flooding's impact on root, shoot, and root-shoot ratio of Vigna and Portulaca.

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Journal name: World Journal of Pharmaceutical Research
Original article title: Effect of flooding on the growth (root length, shoot length and root shoot ratio) of vigna aconitifolia (jacq.) marechal and portulaca oleracea l
The WJPR includes peer-reviewed publications such as scientific research papers, reports, review articles, company news, thesis reports and case studies in areas of Biology, Pharmaceutical industries and Chemical technology while incorporating ancient fields of knowledge such combining Ayurveda with scientific data.
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Original source:

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Author:

Buchade J. Y. and Karadge B. A.


World Journal of Pharmaceutical Research:

(An ISO 9001:2015 Certified International Journal)

Full text available for: Effect of flooding on the growth (root length, shoot length and root shoot ratio) of vigna aconitifolia (jacq.) marechal and portulaca oleracea l

Source type: An International Peer Reviewed Journal for Pharmaceutical and Medical and Scientific Research

Doi: 10.20959/wjpr20183-10899

Copyright (license): WJPR: All rights reserved


Download the PDF file of the original publication


Summary of article contents:

Introduction

The investigation conducted by Buchade et al. (2018) aims to evaluate the effects of waterlogging on the growth and metabolism of two plants, Vigna aconitifolia (moth bean) and Portulaca oleracea (common purslane). With flooding becoming an increasingly common environmental challenge, particularly affecting agricultural productivity, it is crucial to comprehend how different plant species respond to such stressors. The study focuses on the morphological and physiological responses of these two plants when subjected to artificial flooding conditions over a period of 25 days.

Impact of Flooding on Root and Shoot Length

The study revealed differential responses between the two plant species regarding root and shoot growth under waterlogged conditions. Specifically, the root length of Vigna aconitifolia showed an initial increase during the first week of growth under controlled conditions but was adversely affected by flooding, exhibiting no significant growth afterward. Conversely, Portulaca oleracea displayed a gradual increase in root length up to 14 days in normal conditions, after which it began declining under waterlogged circumstances. The shoot length followed a similar pattern, with an increase in controlled conditions for both plants, but a noticeable decrease for Vigna aconitifolia starting from the 14-day mark under flooding, while Portulaca oleracea maintained its shoot length comparatively well.

Changes in Root to Shoot Ratio

Another vital finding from the study pertains to the root to shoot ratio, which serves as an indicator of plant physiological adaptation under stress conditions. The results exhibited a decrease in the root to shoot ratio for both species in response to flooding. Interestingly, while the root to shoot ratio was lower under control conditions for Vigna aconitifolia, it was slightly higher for Portulaca oleracea under flooding conditions. This suggests that Portulaca oleracea might possess specific adaptive traits that help it manage flooding stress more effectively compared to Vigna aconitifolia.

Physiological Mechanisms Underlying Flood Tolerance

The study indicates that flooding results in hypoxia for plant roots, leading to reduced metabolic activities and ATP production, which are critical for root growth and overall plant development. The study references previous research showing that the adverse effects of waterlogging are often more pronounced on roots than on shoots. This tendency could be attributed to anoxic conditions that inhibit root respiration, ultimately leading to stunted growth or even root decay. Both Vigna aconitifolia and Portulaca oleracea demonstrated reduced root length under flooding, highlighting a common physiological challenge these plants face when exposed to excessive water.

Conclusion

In conclusion, the findings of this research underscore the significant impact of waterlogging on the growth parameters of Vigna aconitifolia and Portulaca oleracea. Both species exhibited vulnerable responses to flooding, notably in terms of root and shoot lengths as well as root to shoot ratios. These insights into the physiological mechanisms underlying flood tolerance may be crucial for developing strategies aimed at improving the resilience of crops against such environmental stresses. Further research is necessary to explore the specific genetic and biochemical pathways contributing to the observed variations in tolerance among different plant species.

FAQ section (important questions/answers):

What plants were studied for the effects of flooding?

The study focused on two plants: Vigna aconitifolia (moth bean) and Portulaca oleracea (common purslane), examining their growth under water-logging conditions.

How were the plants subjected to flooding in the experiment?

The plants were grown in plastic pots and artificially flooded with a diluted Hoagland solution. The water level was maintained one cm above the soil.

What parameters were measured to assess plant growth?

Growth was assessed by measuring root length, shoot length, and root to shoot ratio after planting the seeds and applying flooding treatments.

What was the impact of flooding on root growth?

Flooding significantly inhibited root growth in both Vigna aconitifolia and Portulaca oleracea, with root lengths decreasing under water-logged conditions compared to control plants.

How did flooding affect shoot growth in the plants?

Flooding resulted in a slight decrease in shoot length for Vigna aconitifolia, whereas the shoot length of Portulaca oleracea increased under both control and treated plants.

What conclusion was drawn about the plants' sensitivity to flooding?

The study concluded that both Vigna aconitifolia and Portulaca oleracea are sensitive to water logging, as evidenced by significant changes in root length, shoot length, and root to shoot ratio.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for “Flooding's impact on root, shoot, and root-shoot ratio of Vigna and Portulaca.”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.

1) Water:
Water is a vital component in plant growth and development, serving as a solvent for nutrients and aiding in biochemical processes. The study of flooding highlights how excess water can negatively impact root respiration, leading to reduced growth and potential plant death, particularly in sensitive species like Vigna aconitifolia and Portulaca oleracea.

2) Soil:
Soil provides the necessary medium for plants to anchor their roots, absorb nutrients, and store water. It is crucial for maintaining plant health, but waterlogging can create anoxic conditions in soil, severely limiting the ability of roots to respire and ultimately affecting plant growth and survival.

3) Moth:
Moth bean, scientifically known as Vigna aconitifolia, is a drought-resistant crop that exhibits unique adaptations to adverse conditions. Understanding its response to flooding not only aids in crop management but also contributes to knowledge of plant resilience to environmental stresses, making it a focus in agricultural studies.

4) Crop:
Crops are cultivated plants grown for agricultural purposes. Investigating crop responses to environmental stresses like flooding provides vital information for improving agricultural resilience and sustainability, especially as many crops face challenges due to changing weather patterns and extreme events, impacting food security globally.

5) Seedling:
Seedlings are critical stages in plant development, where initial growth and establishment occur. The effects of waterlogging on seedlings can significantly determine their future growth potential and survival, making them essential subjects when studying plant responses to environmental stresses like flooding.

6) Botany:
Botany is the scientific study of plants, encompassing their structure, function, diversity, and effect on ecosystems. Research in botany, like the study of flooding impacts on Vigna aconitifolia and Portulaca oleracea, helps in understanding plant adaptations and contributes to agricultural advancements.

7) Study (Studying):
A study is a systematic investigation into a specific topic or question. The presented study on the effects of flooding on growth parameters of two plant species provides valuable insights into their responses to waterlogging, which can inform agricultural practices and plant breeding strategies.

8) Kolhapur:
Kolhapur is a city in Maharashtra, India, known for its diverse agricultural practices. The research conducted at Shivaji University, Kolhapur, focusing on the effects of waterlogging on local crops, reflects the region's agricultural challenges and contributes to the understanding of plant resilience in this specific context.

9) Species:
Species are groups of organisms that can interbreed and produce fertile offspring. The study examines the responses of two distinct species, Vigna aconitifolia and Portulaca oleracea, to flooding, highlighting their individual adaptations and mechanisms to cope with abiotic stresses in their environments.

10) Activity:
Activity, in a biological context, refers to the metabolic processes within plants. The study observes how waterlogging affects root and shoot activity, which is vital for understanding plant growth under stress, particularly how metabolic slowdown can impact overall plant health and productivity.

11) Science (Scientific):
Sciences encompass diverse fields of study concerned with the natural world. The exploration of plant responses to flooding in this research integrates various scientific disciplines, including botany, ecology, and agronomy, illustrating the interdisciplinary nature of understanding plant resilience to environmental changes.

12) Cotton:
Cotton is a significant agricultural crop with economic implications. While not the main focus of this study, previous research on cotton illustrates how waterlogging negatively affects plant development and yield, emphasizing the relevance of understanding flood impacts across various plant species, including those investigated in this paper.

13) Salt (Salty):
Salt stress impacts plant health and productivity significantly. Understanding how plants like Vigna aconitifolia and Portulaca oleracea respond to various abiotic stresses, including salt and flooding, adds to the knowledge essential for developing improved agricultural practices and resilient varieties in challenging environments.

14) Accumulation (Accumulating, Accumulate):
Accumulation refers to the build-up of substances within a biological system. In the context of flooding, plants may accumulate certain solutes or adapt their physiological processes to manage stress. Studying these accumulations can offer insights into how plants cope with anoxic conditions caused by excess water.

15) Performance:
Performance in plants often refers to growth, yield, and adaptability under various conditions. The performance of Vigna aconitifolia and Portulaca oleracea studied under flooding conditions highlights their differing abilities to thrive despite stress, which is crucial for selecting resilient crop varieties in agriculture.

16) Observation:
Observation is a fundamental aspect of scientific research, providing the data needed to draw conclusions. The observations recorded in this study about root and shoot growth under flooding conditions will help inform agricultural practices and plant breeding initiatives aimed at enhancing flood tolerance.

17) Suffering:
Suffering in plants, often regarding stress, occurs when environmental conditions exceed their coping mechanisms. The study details how both Vigna aconitifolia and Portulaca oleracea suffer from flooding, demonstrating vital adaptations necessary for survival but also showing their limitations under prolonged stress.

18) Relative:
Relative measurements are commonly used in scientific studies to compare effects under different conditions. The relative growth rates of root and shoot under flooding compared to control conditions provide essential insights into how plants adapt or fail to adapt to such stresses in their environment.

19) Solapur:
Solapur is a district in Maharashtra, India, recognized for its agricultural diversity. The significance of research conducted in nearby Solapur, specifically on the flooding effects on local species, underscores the need for region-specific agricultural studies that address unique environmental challenges faced in these areas.

20) Surface:
Surface refers to the top layer of the soil that plays a crucial role in plant growth and water absorption. The study examines how flooding extends over the surface, creating waterlogged conditions that impact root respiration and, consequently, overall plant health and productivity.

21) Nature:
Nature encompasses the inherent qualities and characteristics of organisms and their environment. The study's findings about how Vigna aconitifolia and Portulaca oleracea exhibit both resilience and vulnerability under flooding conditions enrich our understanding of natural plant behaviors in response to environmental stressors.

22) Filling (Filled):
Filled typically describes a state where soil or containers have been adequately charged with substances like water or nutrients. The study mentions soil-filled pots, emphasizing the importance of maintaining soil conditions to study the effects of waterlogging on plant growth accurately.

23) Mangala (Mangal, Mamgala):
Mangal is referenced as a contributor to the research, highlighting collaboration in scientific study. Collaborative efforts among researchers like Mangal enhance the quality of research output, drawing from diverse expertise and backgrounds, which ultimately strengthens the findings related to plant resilience.

24) Banga (Bamga):
Banga is referred to as an author of literature cited in the study. Citing works related to flooding and plant responses emphasizes the importance of integrating established research to build a comprehensive understanding, showcasing how interconnected scientific knowledge informs current studies and practices.

25) Patil:
Patil references a researcher whose thesis contributes to understanding plant responses to environmental stresses, including waterlogging and salinity. Incorporating findings from Patil’s research illustrates the progression of knowledge in the field of plant science and the importance of thorough academic inquiry to support further exploration.

26) Death:
Death represents a critical outcome for plants exposed to severe flooding conditions. The study discusses how root respiration is inhibited under waterlogged circumstances, leading to potential plant death, highlighting the necessity of understanding such dire consequences in agricultural management to prevent losses.

27) Food:
Food signifies the essential nutrient source derived from plants critical for human survival. Understanding how flooding affects crops like Vigna aconitifolia is essential for ensuring food security, emphasizing the interdependence of agricultural practices and climate conditions to maintain adequate food supply amidst changing environments.

28) Mung:
Mung refers to mung bean, often studied in the context of flooding effects. Research on mung shows similar responses to waterlogging, contributing to the broader understanding of how legumes, like Vigna aconitifolia, can be resilient or vulnerable under excessive moisture conditions, enriching agricultural science.

29) Tree:
Tree species are often affected by various environmental stressors, including flooding. Although the current study focuses on herbaceous plants, understanding tree responses to waterlogging enhances the overall knowledge of plant resilience and adaptation strategies across different life forms that contribute to ecosystem health.

30) Rice (Rce):
Rice is a significant staple food crop that is sensitive to flooding. Research on flooding impacts on rice informs agricultural practices essential for managing waterlogged conditions, emphasizing the relevance of similar studies within diverse species, including Vigna aconitifolia and Portulaca oleracea, in understanding broader agricultural challenges.

31) Sho (So):
Shao is cited as an author providing insights into the effects of nitrogen and water stress on wheat. Integrating research findings from authors like Shao helps frame the current study within existing literature on crop responses to water-related stresses, reinforcing the value of collaborative knowledge advancements.

32) Pur:
Poor drainage can exacerbate flooding conditions, negatively impacting plant health. The study highlights how poor soil conditions can lead to waterlogging, affecting root respiration and growth. Understanding these dynamics is crucial for improving agricultural management practices and encouraging optimal plant health in impacted regions.

Other Science Concepts:

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Discover the significance of concepts within the article: ‘Flooding's impact on root, shoot, and root-shoot ratio of Vigna and Portulaca.’. Further sources in the context of Science might help you critically compare this page with similair documents:

Moth bean, Biochemical changes, Root length, Shoot length, Morphological change, Physiological Effect, Global climate change, Anoxic condition, Controlled condition.

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