Pineapple Important One Liner

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Pineapple questions and answers

Pineapple
 Horticulture

Pineapple

  Question Answer
1 Botanical name? Ananas comosus
2 Family ? Bromeliaceae
3 Origin ? Brazil
4 Chromosome number? 2n=50
5 Soil pH? 5.5-7
6 Suitable climate? Warm and humid climate [tropical]
7 Optimum temperature requirement? 22° – 32°C
4 Edible part? Coalesced berries
8 Contain enzyme-Bromelin which helps to reduce? Inflammation and can reduce tumour growth.
9 Average sugar content in pineapple is? 10-12%
10 Any acid content in pineapple is? 0:6-0-8 %
  Introduced in India by Portuguese in? 1548 AD
13 Pineapple is? CAM, Monocarpic, herbaceous perennial plant.
  Planting season? July -September
16  An essential operation of cultivation? Earthing up
17 NAA based compound-Planofix and celemone @10-20 PPM-induce flowering in pineapple but they are less effective. So used? Ethral
18 Fruit which mature in? Winter
19 Multiple Crown disorder found in which type Pineapple? Cayenne group
20 Pineapple does not contain? Starch.
21 Sugar Loaf type Pineapple? Sweetest and Best flavoured fruit 
22 Propagation:-
Slips weight  300-400 gram
Sucker weight  500-750 gram

  Question Answer
23 Best N, fertilizer for pineapple? Aluminium sulphate
24 Sandy loam soils with PH: ……..is ideal for growth? 5.0-6.0
25  Largest producers in the world? Costa Rica, Brazil and Philippines 
26 Pineapple contain high amount of? vitamin C, manganese and dietary fibre.
27 Nutrient quantity per/hec? FYM 30 ton,N-200Kg,P-50Kg, K-50Kg
28 Flowering time? Feb-April
29 Fruiting Time? July-September
30 Major pest? Mealy bug 
31
Major diseases & disorder 
 Root rot, Sun scald, Multiple Crowns, Collar of slips 
32 Harvesting  18-24 month after planting 
33 Yield  25-50 ton/hec. 
34 Storage  20 days when refrigerated at 10-13°C With 85-90%
35 Chilling injury  Below 7°C 
36 Condition where as 53,300 plants/hac is ideal for tropical condition. Spacing is required? 25 x 60 x 90 cm
37 Plant density of 63,400 plants/hac is ideal for subtropical and mild humid spacing is required? 22.5 x 60 x 75 cm

Varieties:-

  1. Kew-Leading commercial variety valued particularly for canning, late variety.
  2. Giant Kew
  3. Charlotte Rothchild
  4. Queen-Grown on hills, early variety, best desert cultivar.
  5. Mauritius– Mid season variety of queen group, mainly grown in Kerala.
  6. Jaldhup & Lakhat: Both under queen group & Jaldhup have characteristic alcoholic flavour.
  1. Cayenne-Triploid variety-cultivated commercially in phillipines.
  2. Carbenzona-Triploid variety
  3. Amritha-hybrid between Kew and Ripley Queen.

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