insecticide
🐛 Classification of insecticides 🐞
✅ A. Classification based on mode of entry
✨Stomach poison - Insecticide applied on leaves and other plant part when in greeted all on the digestive system of the insect and bring about kill. THB hope of poisoning is limited mainly to the chewing insect.
✨ Contact poison - When insect in contact with poison are usefull in the control of sucking pest.
✨ Fumigant - Toxicant is gaseous state, penetrate through tracheal System and kill pest.
✅ B.Classification based on mode of action
✨ a. Physical poison
Toxicant which brings about kill of insect by exerting physical effect called as physical poison e.g. heavy oil, tar oil etc cause the death of insect due to asphyxiation i.e. by exclusion of
air.
✨ b. Protoplasmic poison
A toxicant responsible for precipitation of protein.
Especially destruction of cellular protoplast of mid gut epitheiium
e.g. heavy metals, such as Cu, Hg, fatty acids.
✅ A. Classification based on mode of entry
✨Stomach poison - Insecticide applied on leaves and other plant part when in greeted all on the digestive system of the insect and bring about kill. THB hope of poisoning is limited mainly to the chewing insect.
✨ Contact poison - When insect in contact with poison are usefull in the control of sucking pest.
✨ Fumigant - Toxicant is gaseous state, penetrate through tracheal System and kill pest.
✅ B.Classification based on mode of action
✨ a. Physical poison
Toxicant which brings about kill of insect by exerting physical effect called as physical poison e.g. heavy oil, tar oil etc cause the death of insect due to asphyxiation i.e. by exclusion of
air.
✨ b. Protoplasmic poison
A toxicant responsible for precipitation of protein.
Especially destruction of cellular protoplast of mid gut epitheiium
e.g. heavy metals, such as Cu, Hg, fatty acids.
AGRICULTURAL ENTOMOLOGY
IMPORTANT POINTS:
Lady bird beetle is a: Predator
A parasitic species grows parasitically on other parasitic species and this phenomenon is: Hyper parasitism
Many species that interferes with human activities, property or health or is objectionable is called: Pest
A particular plant condition or environment that makes a plant resistant to pests under other circumstances is known as: Induced resistance
Amsacta moorei is the scientific name of : Red hairy caterpillar
An insecticide used as seed treatment for sucking pest is: Imidacloprid
An insecticide having both fumigant and penetrative action: DDVP (Dichlorvos)
Anamorphosis is found in the insect order: Protura
Antennae is absent in: Protura
Aphids in mustard can be controlled by the use of:Imidacloprid
Sucking pests (aphids, jassid, whiteflies and mealy bug) are effectively controlled by:
Systemic insecticide
Bacillus thuringiensis was first isolated from diseased larvae of : Silk worm
Mode of action of (B) Bacillhus thuringiensis is: Stomach poison
Bacills thuringiensis is available in market as: Dipel, Delfn & Thuricide
Bacillus thuringiensis is discovered by: S. Ishiwata
Bagging of fruit is recommended for the control of : Anar butterfly & fruit sucking moth
A chemical gives adaptive advantage to the receiver but not to the emitter is: Kairomone
An allelochemical beneficial to emitter only is: Allomone
Biological control of rice borer is: Trichogramma japonicum
Body and wings covered by overlapping scales found in order: Lepidoptera
Bromadiolone (0.005%) is an effective: Rodenticide
Central plant protection training institute is located at: Hyderabad
Certain secretions attract the opposite sex of the same species termed as: Pheromone
Cervix is located between: Head & prothorax
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✨ ENTOMOLOGY IMPORTANT POINTS ✨
✅1 Major pest of Ground nut? White grub
✅2 NPV is mostly used to control? Insects Lepidopteran
✅3 Lady bird beetle is a? Predator
✅4 International Organization for Biological Control? Zuriec, Switerzerland
✅5 International Institute of Biological Control located in? West Indies, 1927
✅6 Specific pest of wheat nursery is? Ghujhia weevil
✅7 Vector of rice ‘Tungro’ is?Green Leaf Hopper
✅8 The toxin produced by Bacillus thuringiensis interferes with the insects? Digestive system
✅9 Nosema disease of honey bees is caused by a protozoa? Nosemail Spi.
✅10 The most effective moulting hormone in insects is?Ecdysone
✅11 The most suitable fumigant for quarantine purpose is? Methyle bromide
✅12 Tree banding is useful for control of? Mango mealy bug
✅13 An insecticide used as seed treatment for sucking pestis? Imidacloprid
✅14 The chief excretory organ in insectis? Malpighian tubules
✅15Antennae is absent in? Protura
✅16 Phorate 10 G is a insecticide? Granular
✅17 Trichomes present on leaves are associated with? Antixenosis
✅18 Name the family of red ants? Formicidae
✅19 First part of antennae is? Scape
✅20 Termites lives in? Social colony
✅21 Fumigants are? Respiratory poison
✅22 The caste of honey bee which is useful in collecting honey is? Worker
✅23 Scientific name of rock bee is? Apis dorsata
✅24 Chemically chitin is? Polysaccharide
✅25 Zinc phosphide is used against which non-insect pests? Rat
✅26 Light trap is used to attract the? Nocturnal pest
✅27 Diamond back moth is a pest of? Crucifers
✅28The male reproductive organ of the insect is present on? 9th segment
✅29 A good trap crop for Spodoptera litura is?
Castor
✅30 Father of host plant resistance is? R.H. Painter
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