Description : An additive that makes pesticide formulation mix with water is called: a). safener b). A mixer c). an adjuvant d). a pellet
Last Answer : c). an adjuvant
Description : An additive that makes herbicide formulation mix with water is called a). fertilizer b). an adjuvant c). a pellet d). a mixer
Last Answer : b). an adjuvant
Description : An ingredient added to a formulation for enhancing the action of toxicant is called a). Adsorbent b). Adjuvant c). Antidote d). Active ingredient
Last Answer : b). Adjuvant
Description : Active toxic material present in the formulation is a). Acid equivalent b). Phytochemical c). Active ingredient d). Surfactant
Last Answer : c). Active ingredient
Description : A post-emergence herbicide in Soy bean a). Pendimethalin 1.2 kg/ha b). Quazalofop – ethyl 60 g/ha c). Fluchloralin 0.9 kg/ha d). Thiobencarb 1.50 kg/ha
Last Answer : b). Quazalofop – ethyl 60 g/ha
Description : A broad-leaf herbicide in wheat a). Carfentrazone – ethyl 20 g/ha b). Metsulfuron – methyl 4 g/ha c). 2,4-D 500 g/ha d). All
Last Answer : d). All
Description : Which of the herbicide (ai) requiring higher amount for a unit area to be sprayed a). Bispyribac-sodium b). Butachlor c). Cyhalofop-butyl d). Pyrazosulfuron-ethyl
Last Answer : b). Butachlor
Description : Herbicides which avoids photodecomposition by being rapidly absorbed a.)Dinitroanilines b).Pinoxaden c).Sethoxydim d).quizalofop-p-ethyl
Last Answer : c).Sethoxydim
Description : Herbicide Antidotes a). protect crop plants b). harm crop plants c). Protect weeds d). Harm weeds
Last Answer : a). protect crop plants
Description : Besides NA and R 25788, other safeners to counteract the effect of carbamate herbi cide is a). CGA 43089 b). CGA 92194 c). Mon 4606 d). All of these
Last Answer : d). All of these
Description : .First mycoherbicide developed by Ab bott Laboratories, USA was a).Biosedge b). Devine c). Collego d). Biomal
Last Answer : b). Devine
Description : What is the Formula for ethyl ester?
Last Answer : what is the formula of the ester formed from a reaction ofsodium hydroxide and ethanol
Description : Benefits of creatine ethyl ester?
Last Answer : The chemical creatine ethyl ester is marketed as a great way to increase muscle mass. Sadly though there has been no proven side effects, or even clinical proof that this will work.
Description : The ethyl derivative of acetoacetic ester on basic-hydrolysis gives (a) Acetic acid (b) Acetic acid and propionic acid (c) Propionic acid (d) Acetic acid and n-butyric acid
Last Answer : Acetic acid
Description : If weed population is 70/m2 and the crop 140/ m2, weed intensity would be a). 33.3% b). 66.6% c). 50% d). 73.4%
Last Answer : a). 33.3%
Description : Which of the herbicides can be used in gram crop? a). Pendimethalin b). Metolachlor c). Fluchloralin d). All
Description : A curvilinear relationship between weed density and crop yield was reported by a). Zimdahl 1980 b). Roberts and Bonds (1975) c). Cousens et al (1985) d). None of these
Last Answer : b). Roberts and Bonds (1975)
Description : The sigmoidal relationship between weed density and crop yield was proposed by a).Zimdahl 1980 b). Roberts and Bonds (1975) c). Cousens et al (1985) d). None of these
Last Answer : a).Zimdahl 1980
Description : . A non-competitive crop requiring weed free period of three or more months a). Maize b). Rice c). Soybean d). Onion
Last Answer : d). Onion
Description : A period in the ontogeny of crop at which maximum crop weed competition occurs is called a). Economic threshold b). Gain threshold c). Competitive threshold d). None
Last Answer : d). None
Description : The effective solution to manage weed shifts a). Herbicide combinations b). Herbicide rotations c). Crop rotations d). All
Description : The competitive crop requiring weed free period of about 3-4 weeks a). Soybean b). Carrot c). Garlic d). Onion
Last Answer : a). Soybean
Description : . A shortest time span in the life cycle of a crop when weeding results in highest eco nomic returns a). Economic threshold b). Critical period c). Competitive threshold d). None of these
Last Answer : b). Critical period
Description : Trap crop for Cuscuta sp a). Small grains b). Chickpea c). Mustard d). All
Description : Propanil has to be applied to rice crop at a). One leaf stage b). 2-3 leaf stage c). 4 leaf stage d). None of these
Last Answer : b). 2-3 leaf stage
Description : Persistence herbicides pose hazard in soil when a). High persistence herbicides are used b). Crop failure necessitate re-planting c). Susceptible crop follows a short crop d). All
Description : Trap crop for Orobanche a). Linseed b). Sunhemp c). Chillies d). All of these
Description : . Trap crop for striga is a). Sunflower b). Cotton c). Cowpea d). All of these
Description : November sown berseem crop induces the weed a). Chenopodium sp b). Anagallis sp c). Vicia sp d). All of these
Description : Complete crop failure is caused in which of the following crops a). Vegetables b). Upland rice c). both a and b d). Wheat
Last Answer : c). both a and b
Description : The official peer-reviewed Journal of the EWRS (European Weed Research Society) is a). Journal of Crop and Weed b). Weed Research c). Weed Science
Last Answer : b). Weed Research
Description : .Which crop is an indicator plant for the bio assay of Triazines and Aliphatics? a). Sugarbeet b). Sorghum c). Cotton d). Mustard
Last Answer : a). Sugarbeet
Description : Which crop exhibit direct allelopathy? a). Sorghum b). Maize c). Lentil d). Alfalfa
Last Answer : a). Sorghum
Description : . A crop has residual allelopathy on wheat a). Rice b). Lentil c). Maize d). Sorghum
Last Answer : b). Lentil
Description : .Phenolic acid as root exudates of which crop has detrimental effects on wild mustard? a). Wheat b). Oats c). Chickpea d). a & b
Last Answer : d). a & b
Description : Continuous cropping of which legume crop cause auto allelopathy? a). Chickpea b). Alfa-alfa c). Cowpea d). Pigeonpea
Last Answer : b). Alfa-alfa
Description : Root exudates of which crop has allelo pathic effect on Chenopodium album? a). Wheat b). Oat c). Pea d). All
Description : Glufosinate (pat) resistant trait for maize crop first sale in which year ? a).2000 b).1992 c).1995 d).1997
Last Answer : d).1997
Description : Glyphosate (Cp4 epsps) resistant trait for sugarbeet crop first sale in which year ? a).1998 b).1986 c).2007 d).2003
Last Answer : c).2007
Description : Gluphosate + Glufosinate (Double Stack) is resistant trait of which crop a).Canola b). Sugarbeet c). Soybean d).Maize
Last Answer : d).Maize
Description : Glufosinate (Bar) is resistant trait of which crop a).Soybean b).Sugarbeet c).Maize d).Cotton
Last Answer : d).Cotton
Description : Among the herbicide resistant crops, which crop was the most dominant transgenic crops in 2010 a).Soybean b). Cotton c). Maize d).Sugarbeet
Last Answer : a).Soybean
Description : Bromoxynil (Bxn) is resistant trait of which crop a).Soybean b).Sugarbeet c).Maize d).Cotton
Description : A herbicide applied to the soil before planting a crop is called a a). pre-emergence b). Post-emergence c). Pre-plant d). None
Last Answer : c). Pre-plant
Description : Critical period of crop weed competition in sugarcane is a). 30-40 days b). 30-120 days c). 10-40 days d). 15-30 days
Last Answer : b). 30-120 days
Description : The period at which maximum crop weed competition occurs is a). Critical period b). Dormancy c). Flaming d).Threshold
Last Answer : a). Critical period
Description : One to two flushes of weeds are destroyed before planting of crop is called a). Stale seed bed b). Blind hoeing c). Weeding d). Summer ploughing
Last Answer : a). Stale seed bed
Description : Factors affecting weed-crop interference are a). Period of weed growth b). Soil and climate influence c). Plant species effects d). All
Description : Wheat and bajra have critical period of crop-weed competition a).10-20 days b).15-30 days c). 30-45 days d). 20-40 days
Last Answer : c). 30-45 days
Description : A practice where one or two flushes of weeds are destroyed before seeding a crop a). Cheeling b). Stale seed bed c). Searing d). None
Last Answer : b). Stale seed bed