A ceremonial weed
a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas)
c). Nelumbo nucifera (Lotus flower)
d). All of these

1 Answer

Answer :

d). All of these

Related questions

Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis

Last Answer : c). Both a and b

Description : . A ceremonial weed a). Cynodon dactylon b). Datura stramonium c). Tagetus sp d). All of these

Last Answer : d). All of these

Description : The weed propagated through rhizomes/ root stock a). Agropyron repens b). Cynodon dactylon c). Typha angustata d). All of these

Last Answer : d). All of these

Description : A troublesome weed of water body a). Water lilly b). Lotus (Nelumbo sp) c). Water hyacinth d). All the above

Last Answer : d). All the above

Description : aquatic plant used by companies for assessing bioactivity a).Pistia stratiotes 12 b). Liverworts c). Nelumbo nucifera d). Lemma

Last Answer : d). Lemma

Description : A noxious weed of South India a). Cynodon b). Cyperus c). Wild brinjal d). All

Last Answer : d). All

Description : The weed less responsive to nitrogen a). Cyperus b). Cynodon c). Both a and b d). None of these

Last Answer : c). Both a and b

Description : Growing and care of Nelumbo Nucifera

Last Answer : Need Answer

Description : Flooding is an effective strategy to control a). Avena ludoviciana b). Sorghum halepense c). Cynodon dactylon d). All e). None

Last Answer : a). Avena ludoviciana

Description : . Digging reduces population of a). Cynodon sp b). Amaranthus sp c). Convolvulus sp d). None of these

Last Answer : a). Cynodon sp

Description : A weed with a trailing stem a).Convolvulus arvensis b). Digitaria sanguinalis c). Cuscuta sp d). Cynodon sp

Last Answer : a).Convolvulus arvensis

Description : If Echinochloa falls in frequency class ā€˜Eā€™, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random

Last Answer : c). Homogenous

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 : If the count of Echinochloa in weedy check is 70 and that in a treatment 25/m2, weed control efficiency will be a). 54.3% b). 64.3% c). 73.4% d). 79.6%

Last Answer : b). 64.3%

Description : If the yield from weed free is 3500 kg and that from weedy 1500 kg/ha, weed index would be a). 57.1% b). 133.3% c). 45.0% d). 25.6%

Last Answer : a). 57.1%

Description : To manage grassy weed flora in barley which of the herbicides is to be applied a). Pendimethalin b). Isoproturon c). a and b d). Metsulfuron

Last Answer : c). a and b

Description : To manage mixed weed flora in barley which of the herbicides is to be applied a).2,4-D b). Isoproturon c). a and b as tank mix d). None of these

Last Answer : c). a and b as tank mix

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 : 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 weed accumulate over 550 ppm of Zn in its dry matter a). Digitaria b). Setaria lutescens c). Portulaca d). Chenopodium

Last Answer : b). Setaria lutescens

Description : A natural pre-emergence weed control in turf grass a). Corn gluten meal b). Bialaphos c). Sulcotrione d). Cinmethylin

Last Answer : a). Corn gluten meal

Description : With poor weed management, a field could shift to a). Predominant weed species b). Species not effectively controlled c). Species not responded to control meas ures d). All the above

Last Answer : d). All the above

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

Last Answer : 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 : 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 : Effective rate (kg/ha) of 2,4-D for weed control a). 0.2-0.5 b). 0.5-1.0 c). 2 d). 5

Last Answer : b). 0.5-1.0

Description : Direct contact herbicide application can be achieved by a). Re-circulating sprayer b). Weed wick wiper c). Roller applicator d). All

Last Answer : d). All

Description : . Klamath weed (Hypericum perforatum) is controlled by an insect a). Chrysolina hyperici (Beetle) b). Chrysolina gamellata (Beetle) c). Agrilus hyperici (Root borer) d). All of these

Last Answer : d). All of these

Description : Important quality of bioagents a). Attack only host plant b). Free from predators/parasites and quick adoption to new environment c). Able to kill reproductive parts of weed d). All of these

Last Answer : d). All of these

Description : Biological weed control is not successful because a). Not possible to eradicate weed b). Bioagents are weed specific c). Controlled only introduced weeds d). All of these

Last Answer : d). All of these

Description : An eradication method of weed control a). Killing underground parts of weeds by tillage b). Using soil sterilants c). Repeated foliar application on perennial weeds d). All of these

Last Answer : d). All of these

Description : Cultural practice reducing weed population a). Arresting flowering b). Deep ploughing c). Puddling d). All of these

Last Answer : d). All of these

Description : Weed eradication is rare but practiced in a). Lantana b). Saccharum sp c). Striga sp d). All of these

Last Answer : d). All of these

Description : A simple perennial weed a). Ipomoea carnea b). Lantana camara c). Both a and b d). None of these

Last Answer : c). Both a and b

Description : A multi-season annual weed a). Echinochloa colona b). Eclipta alba c). Phyllanthus nirurii d). All of these

Last Answer : d). All of these

Description : Kharif annual weed a). Ammannia bacifera b). Cyperus difformis c). Ludwigia parviflora d). All of these

Last Answer : d). All of these

Description : The weed having more dormancy a). Dactyloctenium sp b). Lathyrus sp c). Field bind weed d). All of these

Last Answer : d). All of these

Description : . Acidophile weed a). Digitaria sanguinalis b). Borreria sp c). Both a and b d). None of these

Last Answer : c). Both a and b

Description : . A basophile weed a). Alkali grass (Puccinallia sp) b). Quack grass c). Amaranth sp d). Both a and b

Last Answer : d). Both a and b

Description : Growth of the weed is reduced due to root exudates of maize a). Chenopodium album b). Amaranthus retroflexus c). Both a and b d). None of these

Last Answer : c). Both a and b

Description : . Submerged weed a). Hydrilla verticillata b). Nagar sp c). Utricularia stellaris d). All of these

Last Answer : d). All of these

Description : . Common weed in pasture land a). Tephrosia procumbens b). Boerhaavia diffusa c). Both a and b d). None of these

Last Answer : c). Both a and b

Description : Most dominant factor influencing weed composition in a field is a). Soil moisture b). Soil type c). Soil texture d). Soil temperature

Last Answer : a). Soil moisture

Description : A recent noxious weed of Tamil Nadu a). Wild brinjal b). Striga c). Lantana d). Cuscutta

Last Answer : a). Wild brinjal