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