Description : Commercial flower crops are sometimes watered to cause leaching. This means: a. Watering to spread fertilizer nutrients more evenly throughout the plant root system b. Watering to remove excess soluble salts from ... only to wet the top 1/3 of the growing medium d. Watering by subsurface methods
Last Answer : Watering to remove excess soluble salts from the growing medium
Description : Antagonistic effect of Fe on Zn availability in sweet orange causes: a. Leaf drop b. Fruit drop c. Reduce fruit weigh d. Zn deficiency
Last Answer : Zn deficiency
Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov
Last Answer : All of the abov
Description : Auxins have effective role in : a. Delay in flower opening b. Cell division c. Reduction of pre harvest fruit drop d. All of the above
Last Answer : Reduction of pre harvest fruit drop
Description : High temperature in chillies causes a. Flower drop b. Fruit drop c. Both of the above d. None of these
Last Answer : Both of the above
Description : Which of the following shrubs is used as fruit beauty? a. Cassia glauca b. Nerium odorum c. Citrus mitis d. Hibiscus rosa sinensis
Last Answer : Citrus miti
Description : Yellow wasp is a major pest of: a. Grape fruit b. Peach fruit c. Citrus fruit d. Mango fruit
Last Answer : Grape fruit
Description : Soft nose is a disorder of: a. Date fruit b. Citrus fruit c. Mango fruit d. Apple fruit
Last Answer : Mango fruit
Description : King of temperate fruit is: a. Mango b. Citrus c. Banana d. Appl
Last Answer : Appl
Description : The non-climacteric fruit is a. Banana b. Mango c. Apple d. Citrus
Last Answer : Citrus
Description : Button in citrus fruit is: a. Calyx at base b. Calyx at apex c. a & b d. All of above
Last Answer : Calyx at base
Description : Alternate bearing is a problem of following fruit crops a. Mango b. Apple c. Citrus d. All of above
Last Answer : All of above
Description : Citrus fruit is botanically: a. Hesperidium berry b. Pome fruit c. Climacteric fruit d. None
Last Answer : Thalamus
Description : Peduncle is a main axis of the a. leaf b. Flower c. Inflorescence d. Bud
Last Answer : Inflorescence
Description : Special leaf which bears a flower or cluster of flowers in its axils is called a. Bracts b. Compound leaf c. Simple leaf d. Non of these
Last Answer : Bracts
Description : In some plants the buds contain both leaves and flowers and known as a. Leaf buds b. Flower buds c. Scaly buds d. Mixed buds
Last Answer : Mixed buds
Description : Petiole is a main part of a. Flower b. Leaf c. Inflorescence d. Twig
Last Answer : Leaf
Description : Kolshi disease of citrus cause due to — pest a. Leaf miner b. White fly & Black fly c. Citrus psylla d. Fruit sucking moth
Last Answer : b. White fly & Black fly
Description : In Kinnow mandarin, fruit drop in month of June is upto: a. 70% b. 75% c. 80% d. 85%
Last Answer : 75%
Description : In pineapple sweet orange, fruit drop in month of June is upto: a. 66% b. 76% c. 86% d. 96%
Last Answer : 96%
Description : In sweet orange pre-harvest fruit drop is a. Seldom experienced b. Never experienced c. common experienced d. Problems of the area
Last Answer : Problems of the area
Description : Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above
Last Answer : All of the above
Description : Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo
Last Answer : Fruit
Description : Word pomum means: a. Fruit b. Vegetable c. Flower d. None of these
Description : Postharvest fumigation of citrus used to be done with: a. Thiobendazole (TBZ) b. Ethylene Dibromide (EDB) c. Above both d. None of above
Last Answer : Ethylene Dibromide (EDB)
Description : Citrus seeds can be stored with Charcoal at following temperature in dry conditions. a. 0-3°C b. 3-10°C c. 10-15°C d. Above 15°C
Last Answer : 3-10°C
Description : Which of the following plants are used for the extraction of scent? a. Rose b. Murva c. Citrus d. All of above
Description : Following species of citrus can be propagated through layering. a. Sweet orange b. Sweet lime c. Kaghzi lime d. None of above
Last Answer : Kaghzi lime
Description : Following species of citrus can be propagated through cutting. a. Sweet orange b. Sweet lime c. Kaghzi lime d. Non of above
Last Answer : Sweet lime
Description : Hodgson divided genus citrus into: a. 16 species b. 26 species c. 36 species d. More than 36 species
Last Answer : 36 species
Description : Rate of ethylene production in citrus is comparatively_______ than in mango. a. Higher b. Lower c. Equal d. Unknown
Last Answer : Lower
Description : Citrus reticulat Blanco is the botanical name for a. Sour lime b. Mandarin c. Both of a and b d. None of these
Last Answer : Mandarin
Description : In citrus, 2n chromosome number is a. 18 b. 22 c. 33 d. 20
Last Answer : 18
Description : In citrus 80-90% of the active roots are present in the soil to a depth of: a. 25 cm b. 50 cm c. 75 cm d. 100 cm
Last Answer : 25 cm
Description : The commercial yield of citrus orchards in tropical and subtropical are commonly: a. Equal b. 50% less in tropical than subtropical regions c. 50% more in tropical than subtropical regions d. All wrong
Last Answer : 50% less in tropical than subtropical regions
Description : The coldest region for citrus growing is a. U.S.A. b. New Zealand c. Australia d. Pakistan
Last Answer : New Zealand
Description : Berry splitting in citrus and strawberry is due to a. High temperature b. Low moisture c. High sunlight d. High air pressure
Last Answer : High temperature
Description : Recommended matrix height in citrus is a. 4 inches b. 6 inches c. 9 inches d. 12 inches
Last Answer : 9 inches
Description : Citrus can tolerate a salinity level a. pH 9.0 b. pH 8.5 c. pH 7.5 d. pH 4.5
Last Answer : pH 8.5
Description : Common rootstock for citrus in Punjab a. Rough lemon b. Sour orange c. Sweet orange d. Sweet lime
Last Answer : Rough lemon
Description : Citrus belongs to sub family: a. Citrea b. Clausnea c. Aurantioideae d. Citrae
Last Answer : Aurantioideae
Description : Chromose number of citrus is: a. 8 b. 9 c. 10 d. 11
Last Answer : 9
Description : Citrus is a special type of a. Berry b. Pome c. Drupe d. None of these
Last Answer : Berry
Description : Term viticulture is used for: a. Grape cultivation b. Citrus cultivation c. Mango cultivation d. None of these
Last Answer : Grape cultivation
Description : Term vine yard is used for: a. Grape plantation b. Citrus plantation c. Mango plantation d. None of these
Last Answer : Grape plantation
Description : Lower temperature than normal convert male flowers into perfect flowers in ________: a. Date palm b. Mango c. Papaya d. Citrus
Last Answer : Papaya
Description : At fruit bud differentiation in mango, C/N ratio is _______: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : Major cause of mango fruit drop is ___ A) Lack of pollination B) Low stigmatic receptivity C) Defective perfect flower D) All of the above
Last Answer : D) All of the above
Description : Yellow leaf of citrus is due to def of ? a Mo b Zn c Mn d N
Last Answer : a Mo