Doktorarbeit / Dissertation, 2010
53 Seiten, Note: 94.30
This research paper explores the antinemic activity of Plant Growth Promoting Rhizobacteria (PGPR), specifically Pseudomonas fluorescens, against root knot nematode, Meloidogyne incognita, which infests tomato plants (Lycopersicon esculentum). The study investigates the potential of PGPR as a biological control agent to mitigate the damage caused by these nematodes and enhance tomato yield.
Tomato This section introduces tomatoes, outlining their origin, botanical classification, and global production. The text highlights the importance of tomatoes as a food source and discusses various tomato varieties and their uses. The chapter also touches on the nutritional value of tomatoes, emphasizing their rich lycopene content and their importance in processed food products.
Plant Parasitic Nematodes This section delves into the general characteristics and impact of plant parasitic nematodes, emphasizing their role as a significant biotic stress factor in crop production. The text provides an overview of nematode biology and their impact on various crops. It also highlights the economic losses associated with nematode infestations, particularly in tomato production.
The keywords that define this research include: Plant Growth Promoting Rhizobacteria (PGPR), Pseudomonas fluorescens, root knot nematodes, Meloidogyne incognita, tomato, Lycopersicon esculentum, antinemic activity, biological control, crop yield, yield enhancement, and nematode infestation.
Root knot nematodes (Meloidogyne incognita) are major pests that cause estimated worldwide crop losses of over 11% in vegetables, significantly reducing tomato yields.
As a Plant Growth Promoting Rhizobacteria (PGPR), Pseudomonas fluorescens exhibits antinemic activity, acting as an eco-friendly biological control agent against nematodes.
They are environmentally friendly, economically feasible, and prevent nematodes from developing resistance or new biotypes, which is crucial for sustainable agriculture.
Tomatoes are rich in lycopene (an antioxidant good for the heart), vitamins A and C, calcium, and potassium.
Annual global losses are estimated at 78 billion dollars, with significant impacts in regions like Tamil Nadu and the United States.
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