Download Biocontrol of Lepidopteran Pests: Use of Soil Microbes and by K. Sowjanya Sree, Ajit Varma PDF

Posted by

By K. Sowjanya Sree, Ajit Varma

This quantity describes some of the purposes of entomopathogenic soil microorganisms within the administration and keep an eye on of the devastating lepidopteran pest. An creation describes the insecticidal houses of viruses, micro organism, fungi, nematodes and their metabolites, in addition to their functions within the context of crop development. next chapters concentrate on subject matters equivalent to insecticidal proteins; the function of nucleopolyhedroviruses; Bt pollution and their receptors; regulate of lepidopterans utilizing entomopathogenic fungi; administration of cotton defoliators; and sustainable use of entomopathogenic nematodes and their bacterial symbionts. an summary of tradition collections of entomopathogenic microorganisms rounds out the volume.

Show description

Read or Download Biocontrol of Lepidopteran Pests: Use of Soil Microbes and their Metabolites PDF

Best nonfiction_12 books

Process-Oriented Dynamic Capabilities: Framework Development, Empirical Applications and Methodological Support

​This ebook introduces a process-oriented dynamic power framework to review either, carrier innovation and company procedure administration (BPM). effects from functions in different case reviews and surveys are stated. They mirror, e. g. , potential improvement and adulthood versions. in line with those findings, a style to help carrier innovation is brought.

Transactions on Computational Collective Intelligence XVI

Those transactions submit learn in computer-based equipment of computational collective intelligence (CCI) and their purposes in a variety of fields reminiscent of the semantic internet, social networks, and multi-agent structures. TCCI strives to hide new methodological, theoretical and useful facets of CCI understood because the type of intelligence that emerges from the collaboration and pageant of many people (artificial and/or natural).

Computer Arithmetic: Pergamon Programmed Texts

Machine mathematics offers details pertinent to the basic points of a electronic desktop. This e-book discusses how the keep watch over unit makes use of the mathematics unit to provide, lower than instructions, the solutions requested by way of the consumer. equipped into 4 chapters, this booklet starts off with an summary of the binary code and gives a preview of using different mathematics codes outdoor the pc.

Extra resources for Biocontrol of Lepidopteran Pests: Use of Soil Microbes and their Metabolites

Example text

2001) developed a rapid method based on PCR–RFLP analysis for identification and differentiation of HaSNPV and AcMNPV groups by using a set of redundant primers to highly conserved region of polyhedrin gene. Based on REN analysis, Rovesti et al. (2000) reported that the HaNPV isolate was shown to be a mixture of many closely related genotypes but individual genotypes remained unchanged on passage in either H. armigera or M. brassicae. Doyle et al. (1990) noted that when MbMNPVD was passed in Orthosia cruda, there were minor changes in the restriction enzyme profile, which was attributed to the selection of a different variant.

2000). Differences between viruses are usually reflections of intrinsic differences in their viral genomes. At one extreme, viruses may be readily distinguished by the nature of the nucleic acid (RNA or 2 Role of Nucleopolyhedroviruses (NPVs) in the Management of Lepidopteran. . 29 DNA) and its strandedness (single or double stranded), while more closely related viruses may differ only by small regions of distinct base sequences which can be defined only by more sophisticated techniques such as restriction endonuclease (REN) analysis or molecular probes, or sequencing of conserved and unique gene sequences which offers a relatively simple method for the identification and differentiation of baculoviruses (Smith and Summers 1978).

Ignoffo (1966b) estimated that at least 6 Â 109 virus polyhedra were produced per larva in late instars of H. 5 Â 109 polyhedra (Ignoffo 1973). Teakle et al. 18 Â 107 POBs/insect was from younger larvae of H. 6 Â 109 POBs/insect from grown-up larvae, whereas Shieh (1978) recovered 5 Â 109 POBs/larva, indicating that the yield of POBs was directly related to the age of the infected larvae. The host insect, insect diet, insect age and virus dosage, incubation, environment, and preservation of virus infectivity were some of the major factors that optimize the production of HzNPV (Carter 1984).

Download PDF sample

Rated 4.18 of 5 – based on 43 votes