Plant Disease (Plant Pathology) Agriculture Exam
Plant Disease (Plant Pathology)
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Read Crops Disease & Pathogen – Open
| Question | Answer |
| Vector of leaf curl disease in Cotton? | White flies |
| The vector of sterility mosaic of pigeonpea? | Mite (Aceria cajani) |
| Vector for bud necrosis of groundnut is? | Thrips |
| The vector of Tungro disease? | Green leaf hopper |
| Yellow vein mosaic of okra is transmitted through? | White flies |
| Leaf curl disease of tobacco is caused by virus and it is transmitted by? | White flies |
| Leaf curl of tomato is spread by? | White flies |
| Potato virus diseases are spread by? | Aphids |
| Most destructive disease of sugarcane is? | Red rot of sugarcane |
| Most serious disease of rose? | Die back |
| Most dangerous disease of Potato? | Late blight |
| The most serious smut among the smuts affecting sorghum is? | Grain Smut |
| The serious disease of papaya? | Damping off |
| Leaf spot of groundnut is also known as? | Tikka disease |
| Early leaf spot of groundnut is caused by? | Cercospora arachidicola |
| Late leaf spot of groundnut is caused by? | Cercospora parsonata |
| Mango malformation is common in? | North-West India |
| Disease which was discovered in Haryana? | Karnal bunt |
| Downy mildew of grape vine is controlled by? | Bordeaux mixture |
| The pathogen associated with the discovery of Bordeaux mixture is? | Plasmosphora viticola |
| Root knot disease of tobacco is effective controlled by? | Carbofuran |
| Loose smut of wheat can be controlled by seed treatment with? | Vitavax |
| Rice blast is effectively controlled by spraying of? | Edifenphos |
| Khaira disease of rice is controlled by spraying? | Zinc sulphate (5 kg)+ lime (2.5 kg/ha) in 10 days nursery |
Plant Disease (Plant Pathology)
| Question | Answer |
| Which pathogen caused heavy losses to wine industry in France due to its epidemics in 1875? | Plasmopara viticola |
| The disease responsible for the great Bengal famine in 1942-43? AgriExam.Com | Brown spot of rice |
| A disease caused by mercury(Hg) poisoning of water at Japan in 1953? | Minamata |
| In 1892 first showed that tobacco mosaic disease is caused by a filterable agent? | Iwanowski |
| Late blight of potato was introduced in India for first-time in? | Nilgiri–hills |
| The late blight disease destroy the potato crop of Ireland in | 1845 |
| Which potato disease causes Irish famine (1845)? | Late blight |
Plant Disease (Plant Pathology)
| Question | Answer |
| Bacterial rot of wheat ears is also known as? | Spike blight /Tundu/ Yellow slime disease |
| The tundu disease of wheat is usually associated with nematode known as? | Anguina tririci |
| Grain Smut of sorghum is also known as? | Covered /Kernel/ Shoot smut |
| A cabbage disease which is known to be more severe in acidic soils is? | Black rot |
| The most destructive phase of the bacterial blight of rice is known as? | Kresek |
| Poor man’s disease of rice? AgriExam.Com | Bacterial leaf blight (Xanthomonas oryzae) |
| Dead heart and white ear disease is related to? | Rice |
| Killer disease of rice are? | Bacterial Leaf Blight (BLB) and Tungro virus |
| Leaf curl and mosaic of papaya is caused by? | Virus |
| Black heart of potato is caused by? | Poor ventilation in storage (lock of oxygen) |
| Phyllody disease in plants is caused by? | Mycoplasma |
| The main symptom of Tungro disease of rice? | Yellowing of leaves |
| Little leaf of citrus is caused by? | MLO,s |
| Grassy shoot disease of Sugarcane is caused by? | Mycoplasma |
|
kresek in rice is caused by? |
Xanthomonas oryzae |
Plant Disease (Plant Pathology)
| Question | Answer |
| The wilt of cotton is? | Seed and Soil borne |
| Grain and Head smuts are? | Seed borne disease |
| Wilt disease is a? | Soil borne disease |
| Bacterial blight disease is? | Internally seed borne |
| The air borne disease of rice? | Rice Blast (Pyricularia oryzae) |
| The brown spot of rice is? | Externally seed borne disease |
| The soil borne disease of rice? | Sheath blight of rice (Rhizoctonia oryzae) |
| The tuber borne disease of potato? | Black scurf (Rhizoctonia solani) |
| Loose smut of wheat is a? | Internally seed borne disease |
| The soil, air and seed borne disease of wheat? | Kernal bunt (Neovossia indica) |
| Question | Answer |
| Mottle leaf of citrus is due to deficiency of? | Zinc |
| Pahala blighted s.cane is caused due to deficiency of? | Mn |
| heart rot of sugar beat is caused by Deficiency of? | Boron |
| Top sickness of tobacco is caused by Deficiency of? | Boron |
| Khaira disease of rice is caused by deficiency of? | Zinc |
| Akiochi disease of rice is due to toxicity of? | Sulphur |
Deficiency of Nutrient
Causes Diseases/Symptoms
| N |
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| P |
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| K |
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| Ca |
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| Mg |
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| S |
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| Fe |
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| Mn |
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| Cu |
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| Mo |
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| Zn |
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| Bo |
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| Deficiency | Disease |
| Vitavax & hot treatment is used for? | Loose smut |
| Solar heat treatment is used to control? | Loose smut of wheat |
| Sooty or charcoal like powdery mass usually appearing on floral organs particularly the ovary is? | Smut |
| Ear showing honey dew symptoms is characteristic feature of? | Grain smut of bajra |
| Smut disease infects the plant at? | Tillering stage |
| Control of tundu disease is done by hot water treatment at ________ °C for _____ hours.? | 50°C for 2 hours |
| Downy mildew disease can be effectively managed by spraying of? | Metalaxyl |
| The pith of the red rot affected can emits? | Rotten fish like smell |
| The main objective of field inspection is to examine? | Disease incidence, Isolation distance and Off-types |
| Commonly used method for transfer of disease resistance from one variety to another variety? | Back cross method |
| Kresek symptom found in? | Bacterial blight |
| A method for improving specific traits i.e. plant height, disease resistancy? | Pedigree method |
| Complex disease in association with nematode? | Yellow ear rot |
| Late planting of chickpea is done to protect the seedlings from?? | Wilt disease |
| Molya disease resistant variety of barley is? | RD 2052 |
| Kresek symptom is found in? | Bacterial blight |
| The disease resistance is governed by? | Several genes |
| Which rust was earliest appeared in India on wheat? | Brown/Orange/Leaf rust |
| Which stage of the wheat rust fungus is considered as the perfect stage ? | Telial stage |
| The foul smell of kernel bunt infected field is due to? | Trimethyl-amine |
| Alternate host of black stem rust of wheat in India is? | Berberries sp. |
| Deficiency | Disease |
| Vitamin A deficiency causes? | Night blindness |
| Deficiency of vitamin B1 causes? | Beriberi |
| Deficiency of vitamin B2 causes? | cracking |
| Vitamin B3 deficiency causes? | Whiteness of hairs |
| Deficiency of vitamin B5 causes? | Pellagra |
| Deficiency of vitamin B7 causes? | Paralysis |
| Disease caused due to deficiency of vitamin B12? | Pernicious anaemia |
| Vitamin C deficiency causes? | Scurvy |
| Vitamin D deficiency causes? | Rickets |
| Disease caused due to deficiency of vitamin E? | Sterility |
| Disease caused due to deficiency of vitamin K? | Coagulation of blood |
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Pellegra is caused by the deficiency of vitamin B3 (Niacin)
Very useful one-liners. Thank You.. sir