The first prominent instance of biochemical mimicry based crop associated weed under Indian perspective is a). Saccharum spontaneous in sugarcane b). Phalaris minor in wheat c). Wild rice (Oryza longistaninata) in rice d). Itch grass (Rottboellea cochinchinensis) in upland rice

The first prominent instance of biochemical mimicry based crop associated weed under Indian perspective is a). Saccharum spontaneous in sugarcane b). Phalaris minor in wheat c). Wild rice (Oryza longistaninata) in rice d). Itch grass (Rottboellea cochinchinensis) in upland rice
by

1 Answer

Answer :

b). Phalaris minor in wheat
by

Related questions

Which is the ‘odd one’ based on mimicry a). Wild rice in rice b). Wild sorghum in sorghum c). Wild sugarcane in sugarcane d). Itch grass in upland rice

Description : Which is the ‘odd one’ based on mimicry a). Wild rice in rice b). Wild sorghum in sorghum c). Wild sugarcane in sugarcane d). Itch grass in upland rice

Last Answer : d). Itch grass in upland rice

. Mimicry weed in wheat field a). Phalaris minor (Canary grass) b). Wild oat c). Both a and b d). None of these

Description : . Mimicry weed in wheat field a). Phalaris minor (Canary grass) b). Wild oat c). Both a and b d). None of these

Last Answer : c). Both a and b

Eradication is possible in following weed situations a). Ageratum conyzoides b). Phalaris minor c). Parthenium hysterophorus d). Lantana

Description : Eradication is possible in following weed situations a). Ageratum conyzoides b). Phalaris minor c). Parthenium hysterophorus d). Lantana

Last Answer : d). Lantana

A weed with a balloon structure for effective dissemination a). Physalis minima b). Avena fatua c). Phalaris minor d). Amaranthus viridis

Description : A weed with a balloon structure for effective dissemination a). Physalis minima b). Avena fatua c). Phalaris minor d). Amaranthus viridis

Last Answer : a). Physalis minima

Spudding involving hand weeding/ hoeing added by a sharp edged sickle is most common in a). Wheat b). Sugarcane c). Sesame d). Rice

Description : Spudding involving hand weeding/ hoeing added by a sharp edged sickle is most common in a). Wheat b). Sugarcane c). Sesame d). Rice

Last Answer : d). Rice

. Mimicry weed in rice field is a). Wild rice (Oryza sativa var fatua) b). Echinochloa colona c). Echinochloa crusgalli d). All of these

Description : . Mimicry weed in rice field is a). Wild rice (Oryza sativa var fatua) b). Echinochloa colona c). Echinochloa crusgalli d). All of these

Last Answer : d). All of these

Flooding – a worldwide crop husbandry method of controlling weeds in a). Maize b). Sugarcane c). Buckwheat d). Rice e).None

Description : Flooding – a worldwide crop husbandry method of controlling weeds in a). Maize b). Sugarcane c). Buckwheat d). Rice e).None

Last Answer : d). Rice

Besides providing N Azolla is used for weed control in a). Wheat b). Rice c). Castor d). Linseed

Description : Besides providing N Azolla is used for weed control in a). Wheat b). Rice c). Castor d). Linseed

Last Answer : b). Rice

A farming practice influencing weed floristic diversity a). Fertility manipulation b). Crop rotation c). Intercropping d). All e). None

Description : A farming practice influencing weed floristic diversity a). Fertility manipulation b). Crop rotation c). Intercropping d). All e). None

Last Answer : d). All

A system approach based on whole land use planning a). Weed eradication b). Weed control c). Weed prevention d). None

Description : A system approach based on whole land use planning a). Weed eradication b). Weed control c). Weed prevention d). None

Last Answer : d). None

Successful weed management is based on a). Knowledge on weed biology b). Survey on the nature of weed problem c). Whole farm planning d). Removal of weeds before flowering i. a & b ii. b & d iii. c & d iv. All

Description : Successful weed management is based on a). Knowledge on weed biology b). Survey on the nature of weed problem c). Whole farm planning d). Removal of weeds before flowering i. a & b ii. b & d iii. c & d iv. All

Last Answer : v. All

Phalaris minor has developed resistance to isoproturon in Punjab and Haryana in a). Rice b). Wheat c). Sugarcane d). Cotton

Description : Phalaris minor has developed resistance to isoproturon in Punjab and Haryana in a). Rice b). Wheat c). Sugarcane d). Cotton

Last Answer : b). Wheat

The first rule of weed prevention a). Regular survey to identify new weeds b). Destruction of weeds before they set seed c). Clean seed d). Clean farm equipments and irrigation water

Description : The first rule of weed prevention a). Regular survey to identify new weeds b). Destruction of weeds before they set seed c). Clean seed d). Clean farm equipments and irrigation water

Last Answer : c). Clean seed

Weed control aims to putting down weed infestation a). Already present b). a + future infestations c). b + introduction from the adjacent fields d). Combining the available techniques in the optimum level

Description : Weed control aims to putting down weed infestation a). Already present b). a + future infestations c). b + introduction from the adjacent fields d). Combining the available techniques in the optimum level

Last Answer : a). Already present

A weed poisonous to animals and human beings a). Datura metal b). Ammannia baccifera c). Chenopodium d). Urtica sp

Description : A weed poisonous to animals and human beings a). Datura metal b). Ammannia baccifera c). Chenopodium d). Urtica sp

Last Answer : a). Datura metal

A weed with a funnel shaped corolla a). Medicago denticulata b). Vicia sativa c). Convolvulus arvensis d). Scirpus sp

Description : A weed with a funnel shaped corolla a). Medicago denticulata b). Vicia sativa c). Convolvulus arvensis d). Scirpus sp

Last Answer : c). Convolvulus arvensis

A weed having spines as adaptations that repel grazing a). Solanum nigrum b). Solanum xanthocarpus c). Parthenium d). Ageratum

Description : A weed having spines as adaptations that repel grazing a). Solanum nigrum b). Solanum xanthocarpus c). Parthenium d). Ageratum

Last Answer : b). Solanum xanthocarpus

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

Inter-culture with bullocks in standing water a). Rice b). Sorghum c). Pearlmillet d). all

Description : Inter-culture with bullocks in standing water a). Rice b). Sorghum c). Pearlmillet d). all

Last Answer : a). Rice

A lowland rice sedge a). Cyperus iria b). Cyperus difformis c). Cyperus esculentus d). All

Description : A lowland rice sedge a). Cyperus iria b). Cyperus difformis c). Cyperus esculentus d). All

Last Answer : d). All

A companion crop a). Hairy vetch b). Winter rye c). Cowpea d). All

Description : A companion crop a). Hairy vetch b). Winter rye c). Cowpea d). All

Last Answer : d). All

Man associated with ‘Horse Hoeing Husbandry’ a). Zimdahl Robert L. b). Molish c). Jethro Tull d). Aspinall and Milthorpe

Description : Man associated with ‘Horse Hoeing Husbandry’ a). Zimdahl Robert L. b). Molish c). Jethro Tull d). Aspinall and Milthorpe

Last Answer : c). Jethro Tull

Hans Molish is associated with a). Competition b). Eutrophication c). Allelomediation d). Allelopathy

Description : Hans Molish is associated with a). Competition b). Eutrophication c). Allelomediation d). Allelopathy

Last Answer : d). Allelopathy

The most systematic method for classifying weeds is based on a). Morphology b). Life history c). Habitat d). Phylogenetic

Description : The most systematic method for classifying weeds is based on a). Morphology b). Life history c). Habitat d). Phylogenetic

Last Answer : d). Phylogenetic

A weed not controlled by clodinafop propargyl in wheat a). Poa annua b). Phalaris minor c). Avena ludoviciana d). Lolium temulentum

Description : A weed not controlled by clodinafop propargyl in wheat a). Poa annua b). Phalaris minor c). Avena ludoviciana d). Lolium temulentum

Last Answer : a). Poa annua

. A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum

Description : . A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum

Last Answer : c). Monochoria vginalis

What is the Critical Period of Crop-Weed Competition for Upland rice condition?

Description : What is the Critical Period of Crop-Weed Competition for Upland rice condition?

Last Answer : Ans.Entire period of crop growth

Complete crop failure is caused in which of the following crops a). Vegetables b). Upland rice c). both a and b d). Wheat

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

The herbicidal activity of 2,4-D at the first time was reported by a). Hammer and Tukey (1944) b). Zimmernam and Hitchcock (1942) c). Nutman and Blackman (1945) d). None

Description : The herbicidal activity of 2,4-D at the first time was reported by a). Hammer and Tukey (1944) b). Zimmernam and Hitchcock (1942) c). Nutman and Blackman (1945) d). None

Last Answer : b). Zimmernam and Hitchcock (1942)

The first chemical shown to have herbicidal activity a). 2,4-D b). Bordeux mixture c). Paraquat d). 2,4- DB

Description : The first chemical shown to have herbicidal activity a). 2,4-D b). Bordeux mixture c). Paraquat d). 2,4- DB

Last Answer : b). Bordeux mixture

Post-plant tillage helps in a). Mixing of manures b). Control of weeds c). Soil and water conservation d). None e). All

Description : Post-plant tillage helps in a). Mixing of manures b). Control of weeds c). Soil and water conservation d). None e). All

Last Answer : e). All

Practices using direct radiant energy of the sun a). Soil solarization b). Micro-waves c). Flaming d). All

Description : Practices using direct radiant energy of the sun a). Soil solarization b). Micro-waves c). Flaming d). All

Last Answer : a). Soil solarization

Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle

Description : Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle

Last Answer : b). Zygogramma bicolorata

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

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

Dredging is most effective treatment for controlling a). Parasitic weeds b). Lantana c). Agrestals d). Aquatic weeds

Description : Dredging is most effective treatment for controlling a). Parasitic weeds b). Lantana c). Agrestals d). Aquatic weeds

Last Answer : d). Aquatic weeds

Azolla pinnata is a). a fern b). an algae c). a gymnosperm d). an angiosperm

Description : Azolla pinnata is a). a fern b). an algae c). a gymnosperm d). an angiosperm

Last Answer : a). a fern

Dryland weeds usually have a). deep root b). hairyness c). Mucilaginous stem d). all

Description : Dryland weeds usually have a). deep root b). hairyness c). Mucilaginous stem d). all

Last Answer : d). all

The natural product explored as commercial herbicide a). glufosinate b). dicamba c). cinmethylin d). all

Description : The natural product explored as commercial herbicide a). glufosinate b). dicamba c). cinmethylin d). all

Last Answer : d). all

The ‘condition influences’ directly plant ability in exploring resources a). Soil density b). Soil CO2 c). Soil N d). Soil water

Description : The ‘condition influences’ directly plant ability in exploring resources a). Soil density b). Soil CO2 c). Soil N d). Soil water

Last Answer : a). Soil density

A sedge with rhizomes a). Commelina obliqua b). Cyperus rotundus c). Scirpus sp d). Eleocharis

Description : A sedge with rhizomes a). Commelina obliqua b). Cyperus rotundus c). Scirpus sp d). Eleocharis

Last Answer : b). Cyperus rotundus

The partial root parasite a). Cuscuta b). Loranthus c). Striga d). Orobanche

Description : The partial root parasite a). Cuscuta b). Loranthus c). Striga d). Orobanche

Last Answer : c). Striga

Eichhornia crassips is a representative of a). Free floating b). Rooted floating c). Rooted submerged d). Emergent

Description : Eichhornia crassips is a representative of a). Free floating b). Rooted floating c). Rooted submerged d). Emergent

Last Answer : a). Free floating

Cultivation of water chestnut (Trapa bispinosa) is abandoned in India due to a). Lantana camara b). Eichhornia c). Mikania micrantha d). Acacia mearnssi

Description : Cultivation of water chestnut (Trapa bispinosa) is abandoned in India due to a). Lantana camara b). Eichhornia c). Mikania micrantha d). Acacia mearnssi

Last Answer : b). Eichhornia

Which of the following causes itching and inflammation a). Ammannia baccifera b). Solanum nigrum c). Urtica sp d). Lantana camara

Description : Which of the following causes itching and inflammation a). Ammannia baccifera b). Solanum nigrum c). Urtica sp d). Lantana camara

Last Answer : c). Urtica sp

Simple perennials are reproduced by a). Rhizomes b). Tubers c). Corms d). Seeds

Description : Simple perennials are reproduced by a). Rhizomes b). Tubers c). Corms d). Seeds

Last Answer : d). Seeds

Commelina benghalensis bearing shortlived blue coloured flowers is a a). Monocot b). Dicot c). Spermatophyte d). Pteridophyta

Description : Commelina benghalensis bearing shortlived blue coloured flowers is a a). Monocot b). Dicot c). Spermatophyte d). Pteridophyta

Last Answer : a). Monocot

With which crop has Green Revolution been associated? (1) Rice (2) Wheat (3) Pulses (4) Sugarcane

Description : With which crop has Green Revolution been associated? (1) Rice (2) Wheat (3) Pulses (4) Sugarcane

Last Answer : (2) Wheat Explanation: India is one of the main wheat producing and consuming countries of the world. After the Green Revolution in the 1970's and 1980's the production of wheat has shown a huge ... per cent of the total wheat produced (External website that opens in a new window) in the country.

Egeria - Anacharis, Water Weed

Description : Egeria - Anacharis, Water Weed

Last Answer : DESCRIPTION: E. densa, commonly known as Anacharis and Water Weed, is an aquatic perennial native to the warm and temperate regions of South America. It is now naturalized in Central and North America, ... new plants. Cuttings may also be taken and rooted. VARIETIES: E. densa; E. canadensis.

Alternanthera - Alligator Weed, Parrot Leaf (Alternan'thera)

Description : Alternanthera - Alligator Weed, Parrot Leaf (Alternan'thera)

Last Answer : DESCRIPTION: A. ficoidea is a tender, aquatic perennial and is commonly known as Alligator Weed and Parrot Leaf. This dwarf plant only grows 2 inches high. Its narrowly oval, green leaves have wavy ... A. bettzickiana (green foliage); A. sessilis (bronze foliage); A. variegata (variegated foliage).

Weed Sprayers

Description : Weed Sprayers

Last Answer : One of the main problems farmers everyday are weeds. Together with pests, weeds stifle the growth of crops since they compete with the crops for food and sustenance from the ground. For a ... but their functions remain the same: to keep your crops healthy by killing their erstwhile competition.