Phytonematodes growth effect studies on leafy vegetable crops

| Posted in: Science

Journal name: World Journal of Pharmaceutical Research
Original article title: Phytonematodes growth effect studies on leafy vegetable crops
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:

Datrika Swapna, Geeta Rajalingam and P. Nagaraja Rao


World Journal of Pharmaceutical Research:

(An ISO 9001:2015 Certified International Journal)

Full text available for: Phytonematodes growth effect studies on leafy vegetable crops

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

Doi: 10.20959/wjpr20182-10805


Download the PDF file of the original publication


Summary of article contents:

Introduction

Phytonematodes are significant pests in agriculture, adversely affecting the production of various crops. This research focuses on identifying specific nematode populations in the soils of leafy vegetable crops, such as Spinach and Mentha, from the regions of Godhumakunta and Peerjadiguda villages in Telangana. The study evaluates the nematode diversity, soil physico-chemical properties, and the microbial population associated with these crops. Understanding the relationship between these elements is essential for effective agricultural management and crop yield improvements.

Identification of Nematode Populations in Leafy Vegetables

The research identified several pyhtonematodes present in the soil of selected leafy vegetables. Among these, Radopholus and Criconemella were specific to Spinach soil, while Rotylenchulus was identified in Mentha. The population density of nematodes increased over 30 days compared to control samples without leafy vegetables. Notably, Spinach exhibited a lower nematode population density relative to Mentha, indicating variability in susceptibility among different crops. This illustrates the need for targeted pest management based on crop type.

Soil Physico-Chemical Analysis

The study conducted a thorough analysis of the soil's physico-chemical properties, measuring factors such as pH, electrical conductivity, and nutrient content. The pH level varied modestly among the crops, recorded at 7.5 in Spinach and 7.8 in Mentha. Overall, Spinach soil showed the highest diversity of microorganisms, while the temperatures remained consistent at 25°C for both crop soils. This analysis indicates that soil health and chemical properties are crucial for managing nematode populations and potentially improving crop yields.

Microbial Diversity and Its Connection to Phytonematodes

The research also documented the diversity of microorganisms in the soils of the selected crops. Several beneficial bacteria, including Micrococcus roseus, Bacillus cereus, Pseudomonas fluorescens, and fungi such as Aspergillus niger, were present across different soil types. The diversity of these microorganisms suggests a complex ecosystem that can affect the health of the crops. Notably, the presence of specific microorganisms correlated with the identified phytonematodes, emphasizing the role of microbial interactions in soil health and nematode management.

Conclusion

This study highlights the importance of understanding phytonematode dynamics, soil properties, and microbial diversity in agricultural practices. Identifying the specific nematodes and associated microorganisms in leafy crops provides valuable insights into pest management strategies. As spinach and mentha showcased varying levels of nematode populations and microbial diversity, tailored intervention approaches can enhance the sustainability and productivity of vegetable farming. Continued research in this area is vital for developing effective crop protection strategies that align with modern agricultural practices.

FAQ section (important questions/answers):

What types of nematodes were identified in the study?

The study identified several nematodes, including Radopholus, Criconemella, and Rotylenchulus, specific to different leafy vegetable crops like Spinach and Mentha.

How does soil pH vary among different leafy vegetables?

In the study, soil pH was measured at 7.5 for Spinach, 7.7 for Coriander, 7.6 for Amaranthus, and 7.8 for Mentha, indicating slight variations across the crops.

What microorganisms were found in Spinach grown soil?

Microorganisms in Spinach soil included Micrococcus roseus, Bacillus cereus, Cellulomonas terrae, and Pseudomonas fluorescens, among others, contributing to microbial diversity.

How did the nematode populations change over time?

Nematode population density increased from the first day to the 30th day in all leafy vegetable crops, showing higher numbers compared to control soil.

What were the physical parameters measured in the soil study?

The physical parameters included soil color, texture, and salinity. Most soils were found to be blackish brown with a clay loam texture.

What were the implications of nematode infestations on crops?

Nematode infestations can severely damage roots, leading to reduced growth, lower nutrient absorption, and ultimately decreased crop yield and quality.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for “Phytonematodes growth effect studies on leafy vegetable crops”. 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) Soil:
Soil is a fundamental component of the earth's ecosystem, providing essential nutrients and a habitat for various organisms, including phytonematodes. In agricultural practices, soil analysis helps in understanding its composition, pH, and biological activity, which in turn affects crop yield and health. This study emphasizes the significance of soil in relation to nematode populations and microorganism diversity in vegetable crops.

2) Water:
Water is crucial for agricultural productivity, serving as a solvent and medium for nutrient transport in plants. Its interaction with soil influences the availability of nutrients and moisture. The study discusses soil-water ratios during analysis, affecting the understanding of nutrient absorption and the overall growth condition of leafy vegetables.

3) Table:
Tables in the study present organized data crucial for interpreting research findings. They illustrate physical and chemical properties of soils, microbial diversity, and nematode populations across various leafy vegetable crops. Tables facilitate comparison, revealing significant correlations between microbial species and phytonematodes, thus enhancing our understanding of agricultural soil health.

4) Crop:
Crops refer to cultivated plants that are grown for food, fiber, or other purposes. The study focuses on leafy vegetables like spinach and mentha, examining how nematodes and microorganisms impact their growth. Knowledge of crop interactions with soil health and pests is vital for improving agricultural yields and developing pest management strategies.

5) Village:
Villages are local communities where agricultural practices are often predominant. The study focuses on soil samples from specific villages, which helps to contextualize research findings within local farming practices. Understanding village-specific conditions contributes to recognizing how local soil and ecological factors affect crop health and pest populations.

6) Measurement:
Measurements encompass all numeric evaluations made during the study, fromsoil pH and electrical conductivity to microbial counts. They are fundamental in analyzing how environmental variables affect the soil's biological activity. Accurate measurements are critical to derive reliable conclusions for effective agricultural practices and pest management.

7) Heating:
Heating processes in soil analysis are significant for assessing organic matter content and nutrient availability. The study incorporates heating methods to extract and analyze soil properties. Understanding how heating influences soil characteristics contributes to better soil management practices, ultimately affecting crop health and yield.

8) Species:
Species denotes distinct groups of organisms with shared characteristics. The study identifies various nematode and microbial species, unraveling their interactions within the soil ecosystem. Recognizing the diversity of species helps in understanding the ecological balance, pest dynamics, and the overall health of agricultural systems.

9) Medium:
In the context of the study, medium refers to the substance in which microorganisms grow. Selecting appropriate growth media is vital to isolate and quantify different microbial species. Understanding how medium impacts microbial diversity provides insights into managing soil health for better crop production.

10) Glass:
Glass laboratory equipment, such as beakers and jars, is often used for soil and water analysis. The durability and chemical inertness of glass make it ideal for experiments. In this study, glassware is employed during various procedures to ensure accurate measurements and maintain sample integrity throughout the testing.

11) Agriculture:
Agriculture is the science and practice of cultivating soil, growing crops, and raising animals for food and other products. The study's relevance to agriculture is significant as it explores soil health, nematode interactions, and microbial diversity, all of which are essential for sustainable food production systems.

12) Quality:
Quality pertains to the characteristics of crops and soil that affect agricultural productivity and sustainability. This study assesses the quality of soil by examining its physicochemical properties and biodiversity, which directly impact crop growth and food safety. Improved quality leads to better yields and healthier produce.

13) Manure:
Manure, composed of animal waste, is often used as an organic fertilizer to improve soil fertility. The study acknowledges the role of manure and its nutrients in influencing microbial diversity and nematode populations. Proper management of manure contributes to sustainable farming practices while enhancing soil health.

14) Field:
Field refers to the agricultural land where crops are grown and studied for nematode populations and microorganism interactions. Research conducted in fields offers practical insights into soil conditions and crop performance, leading to better pest management strategies and improved agricultural outcomes.

15) Zoology:
Zoology is the branch of biology that studies animals, including parasites like phytonematodes. In this study, a background in zoology aids in understanding nematode behavior and interactions within soils. Insights from zoology enhance understanding of agricultural pests, highlighting the importance of integrating biological knowledge in farming.

16) Mandal:
Mandal is an administrative division in India used for organizing local governance. The study references specific mandals to contextualize findings regionally. Understanding local agricultural practices and soil conditions within mandals facilitates the development of tailored pest management strategies and farming practices suited to specific geographic areas.

17) Study (Studying):
Study refers to the scientific investigation conducted to explore the relationship between soil conditions, microbial diversity, and nematode populations in leafy vegetables. The findings from the study contribute to the broader understanding of agricultural ecosystems, informing sustainable practices that enhance soil health and crop yields.

18) Food:
Food encompasses the nutritional components derived from crops and livestock. The study emphasizes the importance of healthy crops for food production and security. By understanding how soil and nematode interactions affect crop quality, better strategies can be developed to ensure food availability and safety for consumers.

19) Salt (Salty):
Salt can impact soil chemistry and nutrient availability, influencing plant growth. In this study, salinity is one of the parameters measured as it can affect the health of crops and microbial diversity. Understanding the role of salt in soil conditions is essential for effective crop management practices.

20) Food supply:
Food supply refers to the total availability of food resources within a region. The study connects the health of crops and soil to food supply, highlighting the economic impact of phytonematodes on agriculture. Effective management of soil health and pests is crucial for ensuring a stable food supply.

21) Discussion:
Discussion involves the interpretation and implications of research findings. In the study, this section emphasizes the significance of results on nematode and microbial populations in relation to agricultural practices. Engaging in discussions on findings fosters deeper insights into soil management and sustainable practices for crop production.

22) Activity:
Activity pertains to biological processes occurring in soil, particularly involving microorganisms and nematodes. The study analyzes the activity levels of these organisms to assess soil health. Understanding the biological activity is crucial to inform agricultural practices that enhance microbial communities and overall plant health.

23) Disease:
Disease refers to the detrimental effects on crops caused by pests and pathogens. The study examines the relationship between nematode populations and crop health, focusing on how soil conditions can exacerbate disease spread. Effective management of diseases is essential for maintaining crop quality and agricultural sustainability.

24) Mineral:
Mineral denotes specific inorganic substances found in soil necessary for plant growth. The study looks at mineral availability as a key factor influencing soil health. Understanding the role of different minerals can guide farmers in enhancing soil productivity and crop yield through appropriate fertilization strategies.

25) Account:
Account emphasizes documenting and analyzing research findings in a structured manner. In this study, it is crucial for systematically presenting data on soil properties, nematode populations, and microbial diversity. Accurate accounts ensure clarity in understanding the implications of research results for agricultural practices.

26) Surface:
Surface refers to the top layer of soil, which is critical for root development and nutrient uptake in plants. The study examines surface soil properties that affect nematode populations and microbial diversity, emphasizing the importance of surface health in overall crop growth and sustainability.

27) Nature:
Nature relates to the natural environment and interactions among living organisms. This study emphasizes the natural relationships between soil, nematodes, and microbial communities. Understanding nature's balance helps in managing agricultural systems sustainably, promoting ecological health while ensuring effective crop production.

28) Indian:
Indian refers to contexts related to India, including agricultural practices, soil types, and crop varieties specific to the region. The study acknowledges Indian agricultural dynamics, focusing on local crops and nematode interactions, contributing to a better understanding of regional challenges in sustainable farming.

29) Filling (Filled):
Filled refers to the process of preparing soil samples for analysis. It indicates how soil is collected, contained, and processed for laboratory testing. Proper filling procedures ensure accuracy in soil measurements, which are crucial for assessing soil health and managing agricultural practices effectively.

30) India:
India is significant in the context of this study as it is the geographical focus of the research. The country's diverse agricultural landscape presents unique conditions for crops and nematodes, necessitating tailored agricultural practices. Insights drawn from this study contribute to improving food security and farming sustainability in India.

31) King:
King may represent authority and governance, particularly in an agricultural setting; however, like 'Kings,' it may also lack significant relevance directly connected to the study's findings. Understanding agricultural governance can aid in shaping effective policy measures but requires contextual clarification.

32) Prey:
Prey, in an ecological context, refers to organisms that are eaten by predators or parasites. The study explores how phytonematodes can be viewed as prey for various biological controls, illustrating the interconnectedness of soil ecosystems and the implications for agricultural pest management.

33) Line:
Line may indicate processes or pathways in agricultural studies, such as lines of research in nematode management. However, without or within the study’s context, it may refer to structure or flow within discussions, emphasizing clear communication of findings and conclusions.

34) Pur:
Poor describes suboptimal conditions in the context of soil health or agricultural productivity. The study aims to address the challenges posed by poor soil conditions due to nematode infestations and microbial imbalance, highlighting the need for improved management strategies to enhance agricultural outputs.

Other Science Concepts:

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Discover the significance of concepts within the article: ‘Phytonematodes growth effect studies on leafy vegetable crops’. Further sources in the context of Science might help you critically compare this page with similair documents:

Electrical conductivity, Soil analysis, Economic losses, Physical parameter, Microbial analysis, Microbial diversity.

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