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Low volume sprayer – (power sprayer)
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‘ulv sprayer’ means – (ultra low volume sprayer)
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Ulv sprayers require – (less than 5 litre per hectare)
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Low volume sprayers require – (50 to 200 litres per hectare)
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High volume sprayers require – (more than 500 litres per hectare)
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Pests generally cause approximately – (30–50% crop loss)
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Rachel carson’s famous book ‘silent spring’ was published in – (1962)
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Bengal famine of 1943 was due to a – (fungus)
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“all insecticides are pesticides, but not all pesticides are insecticides” – (true)
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Crop consuming maximum plant protection chemicals in india – (cotton)
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Largest consumed pesticides in india – (insecticides)
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Nearly 80% of plant protection chemicals used in india belong to – (insecticides)
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Anti juvenile hormone insecticide – (precosine)
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Example for chemosterilant – (tepa/metepa)
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Juvenile hormone insecticide – (altosid)
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Insecticide of fungal origin – (spinosad/mycotal/vertalec)
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Insecticide of actinomycetic origin – (avermectin/milbemycin)
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Insecticide prepared from viruses – (virtuss/gypchek/neochek)
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Copper arsenate otherwise known as – (paris green)
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Insecticidal properties of ddt discovered by – (dr. paul muller)
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Insecticidal properties of bhc discovered by – (dupire)
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First modern plant protection success: control of colorado potato beetle using – (paris green, 1867)
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‘vrikshayurveda’ written by – (surpala)
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Copper sulphate used to control smut disease in wheat discovered by – (prevost)
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Sulphur used to control powdery mildew discovered by – (robertson)
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Copper-containing fungicide – (bordeaux mixture/burgundy mixture/cheshunt mixture/cuprous oxide/copper oxy chloride)
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‘thiram’ developed by – (tisdale & williams)
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Example for organo-sulphur fungicide – (maneb/zineb/ferbam)
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First systemic fungicide – (oxathiin)
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‘oxathiin’ developed by – (von-schmeling & marshal kulka)
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Systemic fungicide – (bavistin/ridomil)
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Wetting agent in pesticide formulations – (polyethylene oxide/fatty acid esters)
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Example for emulsifier – (sodium oleate/tri ethanol amine)
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Example for spreaders – (soap/flour)
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Example for stickers – (fish oil/linseed oil)
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Example for deflocculating agent – (gelatin)
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Example for safeners – (zinc sulphate)
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‘metacid’ is the trade name of – (methyl parathion)
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‘sumithion’ is the trade name of – (fenitrothion)
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‘malathion’ is the trade name of – (mercaptathion)
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‘asataf’ is the trade name of – (acephate)
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‘dithane z 78’ is the trade name of – (zineb)
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‘dithane m45’ is the trade name of – (mancozeb)
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‘indofil m45’ is the trade name of – (mancozeb)
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‘tilt’ is the trade name of – (propeconazole)
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‘contaf’ is the trade name of – (hexaconazole)
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‘calixin’ is the trade name of – (tridemorph)
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Has knockdown action – (pyrethrum)
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Neem contains – (azadirachtin)
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Commercial formulation of ‘nereistoxin’ – (padan)
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Insecticidal property of ddt discovered in – (1939)
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Ddt originally discovered in 1874 by – (othnar zeidlar)
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Bhc discovered in 1825 by – (michael faraday)
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‘lindane’ is a purified form of – (bhc)
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Bhc expands to – (benzene hexa chloride)
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Bhc now commonly known as – (‘hch’ – hexa chloro cyclo hexane)
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First organo-phosphorus insecticide – (bladan)
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Bladan discovered in 1937 by – (gerhard schrader)
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Organo-phosphorus insecticides have – (broad-spectrum activity)
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Food poisoning deaths in kerala (1960, sasthamkotta) due to – (parathion in sugar)
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Systemic granular insecticide – (phorate)
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Functions as insecticide & nematicide – (phorate/aldicarb/dimethoate/phenthoate)
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Synthetic pyrethroids developed in – (1973)
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Synthetic pyrethroid – (lambda cyhalothrin/karate)
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In plant protection, ‘gv’ means – (granulosis virus)
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Fungal species with insecticidal properties – (beauveria/metarrhizium/verticillium/hirsutella)
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Protectant fungicide – (zineb/maneb)
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Therapeutant fungicide – (oxathiin/aureofunginsol)
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Eradicant fungicide – (sulphur mix)
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Contact fungicide – (bordeaux mixture/thiram/maneb)
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Systemic fungicide – (benomyl/oxathiin/carbendazim/tridemorph/metalaxyl)
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Fungicide used for seed treatment – (captan/thiram)
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Millardet identified bordeaux mixture properties in – (1882)
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Bordeaux mixture mainly used for – (foliar application)
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Concentration of bordeaux mixture – (1%)
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Bordeaux paste mainly used for – (wound dressing)
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Concentration of bordeaux paste – (10%)
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Cheshunt compound mainly used for – (soil drenching)
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Cheshunt compound contains – (copper sulphate & ammonium carbonate)
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Organic sulphur fungicide – (thiram/ziram/ferbam/zineb/maneb)
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Heterocyclic nitrogenous fungicide – (captafol/captan)
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Organo-phosphorus fungicide – (ediphenphos/kitazin/triodemefon)
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Antifungal antibiotic – (aureofunginsol/streptomycin)
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‘green fungicide’ – (tricyclazol/validamycin/fosetyl-al)
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Mites belong to phylum & class – (arthropoda & arachnida)
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Commonly used acaricide – (sulphur)
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Acaricides kill – (mites)
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Nematicide – (dd mixture/edb/vapam/nemagon)
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Can be used as a molluscicide – (metaldehyde/carbofuran/phorate/copper sulphate/sodium chloride)
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Mollusc species damaging crops in kerala – (giant african snail)
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Most common gastropod pests – (slugs & snails)
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Dust formulations applied using – (dusters)
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Majority of plant diseases in kerala caused by – (fungus)
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Fungus causing many diseases in kerala – (phytophthora)
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Reproductive structures of fungus – (spores)
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Fungal body composed of – (mycelia)
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Downy mildew caused by fungus – (plasmopara)
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In kerala, majority of diseases observed in – (monsoon seasons)
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Colour indicating extremely toxic poisons – (bright red)
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Colour indicating highly toxic poisons – (bright yellow)
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