45 Result(s)
within
R Srinivasan
Life Sciences
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Chapter
Endophytic PGPM-Derived Metabolites and their Role in Arid Ecosystem
Microorganisms colonizing and living in internal tissues of their host plants perform a significant role in enhancing growth of the host plants by providing access to several essential nutrients to plants, pla...
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Article
Effect of adult feeding substrates on survival and reproduction of Therophilus javanus and Phanerotoma syleptae, two parasitoids of Maruca vitrata
The current study was designed to assess the effect of different feeding substrates on survival and reproduction of Therophilus javanus (Bhat & Gupta) (Hymenoptera: Braconidae) and Phanerotoma syleptae Zettel (Hy...
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Article
Assessing lethal doses of the baculovirus MaviMNPV and the effect of its combination with neem oil on the survival of Maruca vitrata (Fabricius) (Lepidoptera: Crambidae) larval stages in laboratory
Cowpea production is limited by predation from several insect pests, including Maruca vitrata (F.) (Lepidoptera: Crambidae) as one of the most destructive. The present study aimed to assess the pesticidal effect ...
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Article
Long-Term Grazing Mediates Soil Organic Carbon Dynamics by Reorienting Enzyme Activities and Elemental Stoichiometry in Semi-arid Tropical Inceptisol
Long-term grazing by small ruminants diminishes grass and plant covers, alters various biophysical situations and nutrient stoichiometry and modifies soil enzyme activity, and is therefore vital for nutrient c...
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Potential Breeding Strategies for Develo** Disease-Resistant Barley: Progress, Challenges, and Applications
There is a pressing call for enhancing world food production by at least 60% by 2050 using the same acreage. Barley (Hordeum vulgare L.), considered to be a risk-avoidance crop, is the fourth-most important grain...
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Article
Editorial
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Resistance Screening Techniques for Major Insect and Mite Pests in Vegetable Crops
Host plant resistance is an important component of the integrated pest management (IPM) strategies. However, it was not fully exploited for managing the most challenging insect and mite pests of vegetable crop...
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Screening for resistance against major lepidopteran and stem weevil pests of amaranth in Tanzania
Insect pests pose major challenges to optimum productivity of amaranth in Africa and Asia. The use of insecticides is the main control strategy, but is expensive and may pose health and environmental concerns,...
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Article
Genome-wide analysis identifies chickpea (Cicer arietinum) heat stress transcription factors (Hsfs) responsive to heat stress at the pod development stage
The heat stress transcription factors (Hsfs) play a prominent role in thermotolerance and eliciting the heat stress response in plants. Identification and expression analysis of Hsfs gene family members in chickp...
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Evaluation of onion (Allium cepa) germplasm entries for resistance to onion thrips, Thrips tabaci (Lindeman) in Tanzania
Onion thrips, Thrips tabaci (Lindeman), is a prominent species infesting onion and tomato in the northern highlands of Tanzania. It causes considerable leaf damage by direct feeding and also transmits the Iris ye...
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Article
Host-delivered RNAi-mediated root-knot nematode resistance in Arabidopsis by targeting splicing factor and integrase genes
Root-knot nematodes (RKNs) are one of the most important biotic factors limiting crop productivity in many crop plants. The major RKN control strategies include development of resistant cultivars, application ...
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Role of Vesicular-Arbuscular Mycorrhizae in Mobilization of Soil Phosphorus
The microorganisms play a vital role in sustaining the crop production through improving the soil properties and plant nutrition. Among the microorganisms VAM (vesicular-arbuscular mycorrhizae) is a beneficial...
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Chapter
Plant Promoters: Characterization and Applications in Transgenic Technology
Plant growth, development and adaptation are regulated by gene expression, in which promoters, the cis-acting elements that initiate transcription, play a pivotal role. This chapter on plant promoter characteriza...
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Article
Spatial Heterogeneity of Soil Metal Cations in the Plains of Humid Subtropical Northeastern India
Analysis and interpolation of soil micronutrients are very important for site-specific management. The objective of this study was to determine the spatial distribution of iron (Fe), manganese (Mn), zinc (Zn) ...
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Article
Functional analysis of a cryptic promoter from Arabidopsis thaliana reveals bidirectionality
Cryptic promoter elements play a significant role in evolution of plant gene expression patterns and are prospective tools for creating gene expression systems in plants. In a previous report, a 452 bp promote...
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Article
A major host plant volatile, 1-octen-3-ol, contributes to mating in the legume pod borer, Maruca vitrata (Fabricius) (Lepidoptera: Crambidae)
Previous studies on the legume pod borer, Maruca vitrata Fabricius (Lepidoptera: Crambidae), a serious pest of cowpea, Vigna unguiculata (L.) Walp. (Fabales: Fabaceae), in sub-Saharan Africa have focused on sex p...
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Article
Functional validation of a drought-responsive AP2/ERF family transcription factor-encoding gene from rice in Arabidopsis
A water-deficit stress (WDS)-responsive transcription factor-encoding gene isolated from drought-tolerant Oryza sativa L. cv. N-22 corresponding to the AP2/ERF family and named AP2/ERF-N22, when overexpressed in
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Article
Pathogenicity and performance of two candidate isolates of Metarhizium anisopliae and Beauveria bassiana (Hypocreales: Clavicipitaceae) in four liquid culture media for the management of the legume pod borer Maruca vitrata (Lepidoptera: Crambidae)
The aim of this study was to identify and develop entomopathogenic fungi as biopesticides for management of Maruca vitrata (Fabricius). Fourteen isolates of Metarhizium anisopliae (Metchnikoff) Sorokin and six of...
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Chapter
Use of Insect Pheromones in Vegetable Pest Management: Successes and Struggles
Insect pheromones can be used to monitor, mass-trap, and/or disrupt the mating process of insect pests. Sex pheromones of major lepidopteran pests such as tomato fruit worm (Helicoverpa armigera) and common armyw...
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MicroRNA-Based Approach to Improve Nitrogen Use Efficiency in Crop Plants
Nitrogen is one of the most important plant nutrients, which is made available for agricultural crops other than legumes. Most of the N added to the soil is lost to the environment, with an average of only 30–...
