Pest Control

Order of the National Green Tribunal regarding the deplorable condition of a water tank, Golconda Fort, Hyderabad, Telangana, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item Titled "Neglected Katora Houz in Hyderabad’s Golconda Fort Cries for attention appearing in ‘The Siasat Daily’ dated 25 May 2025". The application was registered suo-motu based on the news item titled “Neglected Katora Houz in Hyderabad’s …

Science, regulation, and precedent for genetically modified insects

Questions have been raised about the transparency and scientific quality of regulatory processes applied in the first open field releases of genetically modified (GM) insects, and there is concern that inappropriate precedents have been set, particularly through generic risk assessments covering multiple species and technologies. The GM insects tested in …

Climate effects and feedback structure determining weed population dynamics in a long-term experiment

Pest control is one of the areas in which population dynamic theory has been successfully applied to solve practical problems. However, the links between population dynamic theory and model construction have been less emphasized in the management and control of weed populations. Most management models of weed population dynamics have …

Can tropical insects stand the heat? A case study with the Brown Planthopper Nilaparvata lugens

The brown planthopper Nilaparvata lugens (Stål) is the most serious pest of rice across the world, especially in tropical climates. N. lugens nymphs and adults were exposed to high temperatures to determine their critical thermal maximum (CTmax), heat coma temperature (HCT) and upper lethal temperature (ULT). Thermal tolerance values differed …

Economic impact of insecticide resistance management (IRM) strategies in cotton in Muktsar District (Punjab)

To disseminate Insecticide Resistance Management (IRM) strategies, 10 villages were adopted in Muktsar district of Punjab during 2008 and 2009. Two villages were kept as check (Non-IRM) for comparing the impact of IRM strategies on the major insect pests and natural enemies in Bt cotton arthropod fauna.

Rationalizing bitter gourd pest management - A phytochemical based approach against fruit fly

Effect of the leaf extracts of Alstonia scholaris and Calotropis procera on infestation and damage of the fruit fly in bitter gourd was studied.

Potential accumulative effect of the herbicide Glyphosate on Glyphosate-tolerant maize rhizobacterial communities over a three-year cultivation period

Glyphosate is a herbicide that is liable to be used in the extensive cultivation of glyphosate-tolerant cultivars. The potential accumulation of the relative effect of glyphosate on the rhizobacterial communities of glyphosate-tolerant maize has been monitored over a period of three years. Original Source

ICAR proposes 100 more Krishi Vigyan Kendras for larger districts in 12th Plan

With an aim to bring about the second green revolution through adoption of effective scientific agricultural methods, the Indian Council of Agricultural Research (ICAR) under Agriculture Ministry has proposed 100 more Krishi Vigyan Kendras (KVK) across the country in the 12th Plan. In a proposal sent to the apex planning …

Estimating gene flow between refuges and crops: A case study of the biological control of Eriosoma lanigerum by Aphelinus mali in apple orchards

Parasitoid disturbance populations in agroecosystems can be maintained through the provision of habitat refuges with host resources. However, specialized herbivores that feed on different host plants have been shown to form host-specialized races. Parasitoids may subsequently specialize on these herbivore host races and therefore prefer parasitizing insects from the refuge, …

Brazil cooks up transgenic bean

Approval draws criticism over transparency and safety tests.

Animal welfare board issues advisory on glue traps for rodents

The Animal Welfare Board of India (AWBI), a statutory body of the central government, has issued an advisory to chief secretaries of all state governments and the Indian Pest Control Association to prohibit the use, sale and manufacture of glue traps to catch rodents, as they are harmful to the …

Bt resistance in Helicoverpa species: Indian policy needs urgent revision

GM crops are being cultivated for the last 15 years in many countries and culminating in the last year, GM crops were planted in more than 1 billion hectares (b ha) by nearly 15 million farmers. In India, about 6.3 million farmers cultivated Bt cotton last year (http://www.isaaa.org) in more …

Identification of a novel aminopeptidase P-like gene (OnAPP) possibly involved in Bt toxicity and resistance in a major corn pest (Ostrinia nubilalis)

Studies to understand the Bacillus thuringiensis (Bt) resistance mechanism in European corn borer (ECB, Ostrinia nubilalis) suggest that resistance may be due to changes in the midgut-specific Bt toxin receptor. In this study, we identified 10 aminopeptidase-like genes, which have previously been identified as putative Bt toxin receptors in other …

Giant snail invasion

The courtyard of Retnamma’s house resembles a battlefield. There are dead giant snails strewn around, slime oozing from their brown conch-shaped shells. “These are the ones I killed last night with salt,” says the 60-year-old resident of Konni village in the foothills of the Western Ghats in Kerala. “I was …

The GM question

Are hybrids always a precursor to a genetically modified (GM) version of the crop? In the case of maize, both the champions of GM and the opposition believe GM maize is round the corner. Currently, four multinationals are conducting field trials of GM maize in India. Monsanto India Ltd is …

Cotton leaf curl virus resistance transgenics with antisense coat protein gene (AV1)

Cotton leaf curl virus disease is one of the major threats for cotton production and has emerged as a serious disease of cotton in North India. Cotton leaf curl disease (CLCuD) is caused by a geminivirus, transmitted by whitefly (Bemisia tabaci) vector. Genetic engineering of cotton transgenics resistant to CLCuD …

Genomics of biological control – whole genome sequencing of two mycoparasitic Trichoderma spp.

The filamentous ascomycetous fungi Trichoderma spp. are agriculturally and industrially important, being the major source of many commercial enzymes and as biofungicides. More than 60% of all registered biofungicides used for plant disease control are Trichoderma-based. Mycoparasitism, wherein one fungus directly kills and obtain nutrients from other fungi is considered …

Pesticide application and its adverse impact on health: Evidences from Kerala

Indian agriculture has been under stress quite for long time. Decline in public investment, poor extension net work, lack of marketing facilities, erratic input supply and others have all collectively contributed for decline or stagnant in Indian agriculture. Increasing use of synthetic inputs and non-judicial use of natural resources including …

Cotton saga unravels

Cotton has been the biggest success story in Indian agriculture since the Green Revolution. In a country struggling with stagnant yields in most crops, cotton has been the one bright spot. Production has soared from 13.6 million bales (each bale is 170 kg) in 2002-03 to 31.2 million bales in …

Cotton saga unravels

Flat yields for five years and rising insecticide use are jeopardising the success of Bt cotton technology.

Technology needs stewardship

Why have yields stagnated? Yield stagnation at an average of 520 kg fibre per hectare over the past five years could be because of several factors, including bad weather and poor agronomic management. But over 800 Bt cotton hybrids developed by private seed companies have been approved for commercial cultivation …

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