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 : 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 : Which of the following stages of a crop are more prone to weed competition?
Last Answer : Ans.Germination to seedling
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 : 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 : Semi root parasitic weed of Sorghum and Sugarcane?
Last Answer : Ans.Striga spp.
Description : The most critical stage of sugarcane for irrigation is
Last Answer : Ans.Formative stage (60-130 days after planting)
Description : Adsali sugarcane crop planted during the months
Last Answer : Ans.July–August
Description : Growing of two or more crops simultaneously in alternate rows or otherwise in the same area, where there is significant amount of inter crop competition is called as
Last Answer : Ans.Intercropping
Description : The practice of flushing out germinable weed seeds before crop sowing is called
Last Answer : Ans.Stale seed bed
Description : Problematic weed, whose seed once mixed with crop seed is extremely difficult to separate?
Last Answer : Ans.Objectionable weed
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 length of growing period, suitable for growing only a single dry land crop
Last Answer : Ans.14 weeks
Description : The quantity of water needed for normal crop growth and yield in a period of time to a place and may be supplied by precipitation or by irrigation or by both.
Last Answer : Ans.Water requirement of a crop
Description : 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
Last Answer : b). Phalaris minor in wheat
Description : Water requirement of sugarcane
Last Answer : Ans.150-250 cm
Description : The method, suitable for crops i.e. Sorghum, cotton, maize, tobacco, potato, sugarcane etc is
Last Answer : Ans.Furrow method
Description : The most dangers disease of sugarcane is
Last Answer : Ans.Red rot disease 21. Berseem
Description : Sugar yield from sugarcane is
Last Answer : Ans.6-10%from juice
Description : Sugarcane is considered as mature, when Brix reading is between
Last Answer : Ans.18-20%
Description : The most common symptoms to judge the maturity of sugarcane are
Last Answer : Ans.Cane become brittle, produces metallic sound and breaks easily at nodes.
Description : Nutrient, responsible for translocation of sugar in sugarcane
Last Answer : Ans.Potassium (K)
Description : A method of plant analysis for assessing nutrient requirement in sugarcane is
Last Answer : Ans.Crop Logging
Description : Most commonly used herbicides in sugarcane are
Last Answer : Ans.Simazine, Atrazine and Alachlor
Description : Earthing up in sugarcane is done at
Last Answer : Ans.4 month after planting
Description : Varieties of sugarcane termed as “Wonder cane”
Last Answer : Ans.COC-671 and CO-419
Description : Which bacterium is used for nitrogen fixation in sugarcane field?
Last Answer : Ans.Acetobactor diazotrophicus
Description : The chemicals used for sett treatment of sugarcane
Last Answer : Ans.Agallal and Areton
Description : Flat bed method of sugarcane planting is most common in
Last Answer : Ans.North India
Description : Planting material used for sugarcane planting is
Last Answer : Ans.Upper 1/3 to half part of cane
Description : The permanent type root of sugarcane is
Last Answer : Ans.Shoot roots
Description : Inflorescence of sugarcane is called as
Last Answer : Ans.Arrow
Description : Optimum temperature for sugarcane growth
Last Answer : Ans.21-27°C
Description : Sugarcane Breeding Institute (SBI) is situated at
Last Answer : Ans.Coimbatore, Tamil Nadu
Description : Indian Institute of Sugarcane Research (IISR) is situated at
Last Answer : Ans.Lucknow, Uttar Pradesh
Description : Leading state of India in sugarcane production is
Last Answer : Ans.U.P. (45%of total Prodtn.)
Description : In which crop crown root initiation is critical growth stage for irrigation? a. Maize b. Rice c. Sugarcane d. Wheat
Last Answer : d. Wheat
Description : Such crops have different growth habits and zero competition to each other.
Last Answer : Ans.Parallel cropping
Description : Growing of two or more crops simultaneously and intermingled without row arrangements, wherethere is significant amount of intercrop competition is called as
Last Answer : Ans.Mixed cropping
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 : Which of the following weed having herbicide resistance?
Last Answer : Ans.Avena fatua
Description : Stale seed bed technique of weed control is a
Last Answer : Ans.Cultural method
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 : Weed that depends for its growth on its host plant?
Last Answer : Ans.Parasitic weed