Description : . A weed selective under irrigated conditions a). Commelina benghalensis b). Trianthema sp c). Brachiaria ramosa d). All of these
Last Answer : d). All of these
Description : an ephemerals a). Phyllanthus niruri b). Phyllanthus fraternus c). Both a and b d). Commelina benghalensis
Last Answer : c). Both a and b
Description : Commelina benghalensis bearing shortlived blue coloured flowers is a a). Monocot b). Dicot c). Spermatophyte d). Pteridophyta
Last Answer : a). Monocot
Description : Which of the following is an example of a weed of rabi season that infest wheat crop? (a) Chenopodium (b) Motha (c) Jangali jowar (d) None of the above
Last Answer : (a) Chenopodium
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
Description : Root exudates of which crop has allelo pathic effect on Chenopodium album? a). Wheat b). Oat c). Pea d). All
Last Answer : d). All
Description : Consumptive use of Chenopodium album is a). 200 mm b). 550 mm c). 750 mm d). 1000 mm
Last Answer : b). 550 mm
Description : Which of the following is a monocot weed but broad-leaved plant? a). Eichhornia crasipus b). Commelina banghalensis c). Cynnotis axillaris d). All of these
Description : The weed producing smallest seed a). Cuscuta sp b). Xanthium sp c). Amaranthus sp d). Commelina sp
Last Answer : a). Cuscuta sp
Description : A weed escape/resist pre-emergence atrazine application in maize under mid hill conditions of Himachal Pradesh a). Ageratum conuzoides b). Commelina banghalensis c). Brachiaria ramosa d). All of the above
Last Answer : d). All of the above
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 : November sown berseem crop induces the weed a). Chenopodium sp b). Anagallis sp c). Vicia sp d). All of these
Description : Which of the weed accumulates more phosphrous content of over 3%. a). Digitaria b). Amaranthus c). Chenopodium d). Portuluca
Last Answer : a). Digitaria
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
Description : why did my duranta erecta flowers turn into seeds?
Last Answer : Need Answer
Description : Which one yields oil from seeds and orange dye from petals? (a) Helioanthus annus (b) Calendulla officinalis (c) Carthamus tinctorius (d) Tagetus erecta
Last Answer : Ans. ((c))
Description : The smallest flowering plant is (a) Amorphophallus (b) Azadaachta indica (c) Erecta indica (d) Wolffia arrhiza
Last Answer : Ans:(d)
Description : The weed that causes Asthma is— (A) Hirankhuri (B) Bathua (C) Parthenium (D) Krishna Neel
Last Answer : (C) Parthenium
Description : Which one of the following is used in organic farming to prevent weed Germination & growth? A. Cow pea B. chick pea C. linseed D. Mulching
Last Answer : D. Mulching
Description : Total Stem Parasite Weed of onion is? A. Orabanche cernua B. Striga lutea C. Cuscuta chinensis D. None
Last Answer : C. Cuscuta chinensis
Description : Which of the following family does the weed Grass belongs to? A. Poaceae B. Cyperaceae C. Crotalaria verrucose D. Indigofera viscose
Last Answer : A. Poaceae
Description : Weed problems is more severe in a wet land rice b Deep water rice c Rainfed rice d Semi wet rice.
Last Answer : d Semi wet rice.
Description : The most important weed against which eradication measures would be taken on war footings is (a) Eichhornia (b) Dactylis (c) Parthenium (d) Ageratum
Last Answer : (c) Parthenium
Description : To reduce the crop-weed com-petition, at what stage are the herbicides used? (a) At germination (b) At tillering (c) At ear emergence (d) After first irrigation
Last Answer : (d) After first irrigation
Description : Rotary tillers art used for: a Shallow cultivation and weed control b Deep cultivation and weed control c Both (a) & (b) d None of these
Last Answer : a Shallow cultivation and weed control
Description : Even in absence of pollinating agents seed-setting is assured in (a) Commelina (b) Zostera (c) Salvia (d) fig.
Last Answer : (a) Commelina
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 : A sedge with rhizomes a). Commelina obliqua b). Cyperus rotundus c). Scirpus sp d). Eleocharis
Last Answer : b). Cyperus rotundus
Description : Generally during summer and khurq’ seasons annual plants produce bloom in how many days ? (a) 60 — 70 days (b) 70 —— 80 days (c) 70 — 75 days (d) 50 – 60 days
Last Answer : (c) 70 — 75 days
Description : What is the average annual production of European variety of honeybee colony ? (a) 14 kg (b) 16 kg (c) 10 kg (d) 8 kg
Last Answer : (c) 10 kg
Description : Has anyone tried "The Tea of Life" CHENOPODIUM AMBROSIOIDES otherwise called Semi-Contra, American Wormseed, & Mexican Tea?
Last Answer : According to the USDA it’s an invasive weed common to all 48 lower states, so I’d say if it’s expensive, it’s a scam.
Description : Having higher phosphorus conten a). Amaranthus b). Setaria c). Chenopodium d). Digitaria
Last Answer : d). Digitaria
Description : A potassium lover a). Chenopodium b). Digitaria c). Amaranthus d). Setaria
Last Answer : a). Chenopodium
Description : A nitrophyll a). Amaranthus b). Setaria lutescens c). Digitaria d). Chenopodium
Last Answer : a). Amaranthus
Description : Established at Hisar in 1968, who was the founder President/Secretary of ISWS a). Amaranthus sp b). Chenopodium c). Circium sp d). All of these
Description : Chenopodium - Fat-Hen, Good-King-Henry, Goosefoot, Lamb's Quarters, Mercury, Quinoa, Wild Spinach (Chenopo'dium)
Last Answer : DESCRIPTION: These hardy annuals or perennials may be grown for decoration and some kinds are vegetables. They come from various parts of the world such as Europe and China and are naturalized in America. Ornamental - ... Henry, Goosefoot, etc. . .); C. album (Lamb's Quarters); C. quinoa (Quinoa).
Description : LIFE CYCLE OF ANNUAL WEED
Last Answer : I have searched and Florida & other warmer states are very different from up in NE PA...........so I found a great site for your situation on the web http://edis.ifas.ufl.edu/ep141
Description : A multi-season annual weed a). Echinochloa colona b). Eclipta alba c). Phyllanthus nirurii d). All of these
Description : Kharif annual weed a). Ammannia bacifera b). Cyperus difformis c). Ludwigia parviflora d). All of these
Description : In North India, some times rains take place in winter, which is due to—(A) Western depression (B) Monsoon depression (C) Eastern depression (D) S–W depression
Last Answer : (A) Western depression
Description : In North States (Punjab, Haryana & Western U.P.) of India, Winter rains occur from which monsoon ? (A) North – Eastern Monsoon (B) South – Western Monsoon (C) From both (A) & (B) (D) None of these
Last Answer : (A) North – Eastern Monsoon
Description : The pulse crop extensively grown as winter crop a] Bengalgram b] Redgram c] Greengram d] Blackgram
Last Answer : c] Greengram
Description : During which season would the Aquaculturist be most likely to aerate (add oxygen to) a pond? [a] Summer [b] Fall [c] Spring [d] Winter [e] Autumn
Last Answer : [c] Spring
Description : battery must be turned over to a charging station in winter if discharged by a) 50% b) 40% c) 30% d) 25%
Last Answer : d) 25%
Description : Summer milk has been estimated to contain 1.6 times as much vitamin __ as winter milk. a) Ab) B c) C d) D
Last Answer : a) A
Description : Which of the following statements is true? a. Annual can survive in the sever winter without protection. b. Annuals usually bloom only once each season. c. Annuals are only planted in spring. d. Annuals are only used for foliage beauty.
Last Answer : Annuals usually bloom only once each season
Description : ick up the correct statement from the following: (A) Seasonal cycle of traffic volume during April and November, is usually near the annual average (B) Mid-winter seasonal cycle of traffic is least (C) Mid-summer seasonal cycle of traffic is highest (D) All the above
Last Answer : Answer: Option D