Description : The Bright Red coloured triangle in herbicide shows
Last Answer : Ans.Extremely toxic group (IX) Soil and Water Conservation
Description : Which of the following causes more wastage of herbicide by drift?
Last Answer : Ans.Ultra-low volume sprayer
Description : First commercial Bio-herbicide is
Last Answer : Ans.DEVINE
Description : Which is a contact selective herbicide?
Last Answer : Ans.Propanil
Description : Which herbicide shows Knock down effect?
Last Answer : Ans.Paraquate, Diquate and Glyphosate
Description : Common herbicide used to control weeds in wheat
Last Answer : Ans.2, 4-D
Description : Common herbicide used in rice crop field?
Last Answer : Ans.Anilophos and Butachlor.
Description : Herbicide Resistance can be managed through a). Stop to Use of herbicides with the same mechanism of action b). Use proactive weed control c). Use of post emergence herbicides with at least one mechanism of action d). All of the above
Last Answer : d). All of the above
Description : BIPOLARIS is used to control weed
Last Answer : Ans.Johnson grass
Description : The most dominant aquatic weed Eichhornia crassipes is controlled by
Last Answer : Ans.Neochetina bruchi
Description : First biologically controlled weed is
Last Answer : Ans.Lantana camara
Description : Stale seed bed technique of weed control is a
Last Answer : Ans.Cultural method
Description : The practice of flushing out germinable weed seeds before crop sowing is called
Last Answer : Ans.Stale seed bed
Description : What is the Critical Period of Crop-Weed Competition for sugarcane?
Last Answer : Ans.30-120 DAS
Description : What is the Critical Period of Crop-Weed Competition for Upland rice condition?
Last Answer : Ans.Entire period of crop growth
Description : What is the Critical Period of Crop-Weed Competition for transplanted rice?
Last Answer : Ans.30-45 DAS
Description : Which of the following stages of a crop are more prone to weed competition?
Last Answer : Ans.Germination to seedling
Description : The total stem parasitic weed of Lucerne?
Last Answer : Ans.Cuscuta spp
Description : The total root parasitic weed of Tobacco?
Last Answer : Ans.Orabanchi spp.
Description : Semi stem parasitic weed of Mango?
Last Answer : Ans.Loranthus spp.
Description : Semi root parasitic weed of Sorghum and Sugarcane?
Last Answer : Ans.Striga spp.
Description : Weed that depends for its growth on its host plant?
Last Answer : Ans.Parasitic weed
Description : Undesirable, troublesome weed difficult to control
Last Answer : Ans.Noxious weed
Description : Problematic weed, whose seed once mixed with crop seed is extremely difficult to separate?
Last Answer : Ans.Objectionable weed
Description : Cropped along with wild land weed are known as?
Last Answer : Ans.Facultative weeds
Description : Stem parasitic weed of lucerne is
Last Answer : Ans.Cuscuta reflexa (Doddar)
Description : The objectionable weed of berseem is
Last Answer : Ans.Kasini (Chicorium intybus)
Description : Grassy weed in barley field can be effectively controlled by
Last Answer : Ans.Both Isoproturon and 2,4-D
Description : Objectionable weed of wheat
Last Answer : Ans.Convolvulus arvensis
Description : Most dominated weed species in rice field is
Last Answer : Ans.Echinochloa spp.
Description : Weed caused relatively more loss in rice productivity, when it is
Last Answer : Ans.Direct seeded
Description : A herbicide requiring good spray coverage of all foliage for effective control of a weed population a).Paraquat b). Glyphosate c). Atrazine d). Isoproturon
Last Answer : a).Paraquat
Description : The effective solution to manage weed shifts a). Herbicide combinations b). Herbicide rotations c). Crop rotations d). All
Last Answer : d). All
Description : Herbicide which increase tuber size be sides weed control in potato a). EPTC b). Fluchloralin c). Pendimethalin d). Atrazine
Last Answer : a). EPTC
Description : Largest pre-emergence herbicide for weed control in citrus and pineapple orchards a). Atrazine b). Metham c). Allyl d). All
Last Answer : b). Metham
Description : A very potent herbicide for the control of perennial, broad-leaved weed and brushes a). Atrazine b). 2,4-D c). Picloram d). Amitrole
Last Answer : c). Picloram
Description : Direct contact herbicide application can be achieved by a). Re-circulating sprayer b). Weed wick wiper c). Roller applicator d). All
Description : .____________ is a selective post – emergence herbicide used for weed control in rice a). Bispyribac-sodium b). Butachlor c). Pretilachlor d). Atrazine
Last Answer : a). Bispyribac-sodium
Description : Which herbicide is used in aquatic weed control? a). Acrolein b). Delapon c). Diuron d). Picloram
Last Answer : a). Acrolein
Description : Foundation for phenomenal achievement in modern chemical weed management a). Safeners b). Adjuvants c). Selectivity d). Herbicide combinations e). None
Last Answer : c). Selectivity
Description : The Blast resistance varieties of rice is
Last Answer : Ans.Tulsi, IR64
Description : The Gall midge resistance varieties of rice is
Last Answer : Ans.Phalguna, Surekha, Suraksha
Description : Multiple resistance is the phenomenon in which a weed is resistant to two or more herbicides having a). same mechanisms of action b). different mechanisms of action c). same chemistry d). different chemistry
Last Answer : b). different mechanisms of action
Description : Golden rice is a promising transgenic crop. When released for cultivation, it will help in (a) producing a petrol-like fuel from rice (b) alleviation of vitamin A deficiency (c) pest resistance (d) herbicide tolerance.
Last Answer : (b) alleviation of vitamin A deficiency
Description : The most common mechanism of herbicide resistance is a). Enhanced metabolism b). Altered target site c). Sequestration d). All
Last Answer : b). Altered target site
Description : Besides isoproturon resistance in P. minor, other cases of herbicide resis tance reported in India are a). Poa annua b). Brachiaria ramosa c). Commelina sp d). None of the above
Last Answer : d). None of the above
Description : The full form of LEISA is
Last Answer : Ans.Low External Input Sustainable Agriculture
Description : The crop grown on degraded land for improvement is called
Last Answer : Ans.Conservation crop
Description : Bench Terracing is practiced on
Last Answer : Ans.Steep slopping (16-33%) and undulated land
Description : Contour Bunding is adopted where
Last Answer : Ans.Land slope (6 %) and in areas where average annual rainfall is < 600 mm.