Crop Pests

Order of the National Green Tribunal regarding dumping of waste in open near an educational instituion, Konnagar, Hooghly, West Bengal, 13/11/2024

Order of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Srikanta Samanta Vs State of West Bengal dated 13/11/2024. The matter related to a dumping ground located near the southern boundary wall of the Nabagram Hiralal Pau College, Konnagar, Hooghly which is posing a serious environmental …

Deadly concoctions

unable to identify the culprit (S litura) that appears only at night, ap farmers resorted to all kinds of pesticides in quantities that astound even the pesticide dealers, who reaped a rich harvest with sales spiralling through the roof. Little did the farmers realise that the pest had developed complete …

The debt trap

Cotton crop in general is highly susceptible to a number of pests and diseases. The farmer's problem is further aggravated by the intensive cultivation of the crop with large amounts of fertilisers and indiscriminate plant protection measures. "This leads to increased cost of production, less returns and development of pesticides …

White gold rush

cotton is referred to as Tella Bangarum , or white gold, in ap . India has the largest area under cotton cultivation in the world, about 75 million ha, but is fifth in production, which stands at 13,500,000 bales per annum. "The average cotton productivity of the world (552 kg,ha) …

Cold chillies

It is not just cotton. Most other crops have also failed in Telangana. The standing chilli crop in Warangal district has been affected by fruit rot, while the early flowering of the rabi paddy crop has been causing confusion among scientists. Fruit rot has affected about 7,000 hectares of the …

False, misguided steps

the reasons for the unprecedented pest attack and pesticide resistance in ap are not hard to find. Pests have a deep association with the host plants. Crop rotation interrupts this relationship. This is not followed in ap any more, the same crops being grown season after season, year after year. …

Lacking commitment

Various committees appointed by the Union and state governments have visited pest-affected areas in Andhra Pradesh in the past to assess the damage to the crops. However, precious little has resulted from them. In 1988, a team headed by P D Ojha, the then deputy governor of the Reserve Bank …

Making of a nightmare

pakistan is under siege. Hordes of tiny pests that have developed a penchant for defying the commonly used pesticides are swamping the nation, ticking away like a time bomb in the soft underbelly of the country's economic system. These hordes have been generated

PESTERING ISSUE

Jute plants in Bangladesh are under seige. About 2,025 ha of jute plants have been attacked by pests in six thanas (local administrative units) of Jamalpur district. Pests locally known as :da poka, doga kata, senga poko and a kind of brown grass-hopper have laid waste crops on vast areas. …

Return of fungal wheat

THE agriculture ministry will look into the reported presence of the Karnal bunt infection in one of the consignments of Indian wheat to Turkey. The Turkish agriculture ministry had rejected the wheat saying that its inspectors had detected Karnal bunt fungus in it. The ministry made it clear that Turkey …

It is never too late

More than 20 years have passed since the Vietnam war ended, but agent orange continues to live on. Agent orange is a highly poisonous herbicide, used as a defoliant for crops and forest cover. Although it was used by the Americans for just two years - to defoliate the jungles …

To kill a mocking pest

A DELICATE plant, producing yellow flowers -Calceolaria andina is proving to be the nemesis for a notoriously high-resistant variety of tobacco whitefly, Bemisia tabaci. Two chemicals from the plant, which grows high on the Andean slopes, has been found to be fatal for the B- biotype species of the pest. …

GRENADA

The fight to control the hibiscus mealy bug which has attacked sugarcane, coffee and cocoa crops in many Latin' Carribean countries, seems to he a losing one. Reportedly, the pest has spread to other areas causing more havoc. Methods to contain the spread has i@Lcliided the use of the Chinese …

Facing rough weather

A STUDY conducted by British researchers concluded that with rising mercury levels, temperate farmlands face a potential threat in the form of insecticide-resistant aphids (insects of the Homopteran order, which live on plant juices). The aphid population had till date been kept under check due to winter frost, but when …

Fume out

Scientists from the British Natural Resources Institute and the Kenyan Agricultural Research Institute working at Kenya's Rift valley suggest that volcanic carbon dioxide, instead of methyl bromide, could be used to exterminate granary pests (New Scientist, Vol 148, No 2004). Experiments have been conducted on more than 2,000 tonnes of …

Altered to kill

TRADITIONAL crop enemies should make themselves scarce. Out to get them are genetically engineered bugs from the laboratory of Marjorie A Hoy, a University of Florida entomologist. Hoy recently became the first scientist to ask the us department of agriculture for permission to release the genetically altered mite into a …

Moneymakers

FENCING OUT FELINES: Stray cats in Japan are in for a rude shock when they walk into private gardens unsuspectingly. Japanese biochemists have come up with environment friendly chemicals that emit odours disliked by cats. A single can of Sunstar Inc's Noraneko Shinnyu Kinshi ('Entry banned for stray cats) spray …

Pushing out pests

S Jayaraj of the Indian Council of Agricultural Research's division at the M S Swaminathan Research Foundation, Madras, has developed an eco-friendly, cost-effective and energy-saving method for managing cotton pests. The package is a blend of cultural, mechanical and biological methods and will cost between Rs 3,000 and Rs 5,000 …

Sweet death

THE notorious Indian sweet tooth is on a survation diet: red rot, an infectious fungal disease that has devastated the sugarcane crop in western Uttar Pradesh, has left the nation dreadfully short on sugar - at a time when it should be pouring into the domestic market to feed the …

How the rot sets in

The first documented report on red rot (Colletotrichum falcaturn) dates back to 1901. However, some researchers daim that it was prevalent in the Indian subcontinent centuries ago and was referred to in Buddhist literature as Lai 6alan. Even if the fungus had existed before the British introduced "exotic" varieties, it …

Putting the lid on methyl bromide

Methyl bromide, which is used to fight plant diseases, is known to destroy the ozone layer. Now, Kamlesh Miglani of the directorate of plant protection's plant quarantine and fumigation section, has found a way of preventing the chemical from escaping into the atmosphere during its use in the fumigation of …

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