Details of Fruit crops according to Horticultural and botanical classification
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Horticultural and botanical
Classification
Why we do classification:
It helps:
To identify and naming of crop
To study the close relationship between
species
To know their crossing and hybrid behavior
To know their compatibility and inter grafting
ability
To know their adaptability to soil and climate
Classification on the basis of
Rate of respiration
Consumption
Fruit type
Growth habit and physiological characteristics
Life span
Flowering Habits
Temperature
Uses and Cultural requirements
Classification based on rate of respiration
Climacteric fruit:
Sharp rise in respiration after harvesting e.g.
Mango, Banana, Sapota, Guava, Papaya, Apple,
Peach etc.
Non-climacteric fruit:
Steady respiration at the time of harvesting e.g.
Grape, Pineapple, Pomegranate, Strawberry,
Litchi, Jamun, Ber, Cashew etc.
Plant parts used for consumption
Apple: fleshy thalamus
Pineapple: fleshy thalamus
Guava: thalamus and pericarp
Cashew nut: mesocarp and endocarp
Coconut : endosperm
Custard apple : fleshy pericarp
Fig: fleshy receptacle
Grape: pericarp and placentae
Mango: mesocarp
Papaya : mesocarp
Pomegranate: aril
Small or Soft fruit:
Born on low growing plants like shrubs and vines e.g.
Grapes, Falsa, Strawberry
Nuts:
Edible seeds e.g. Almond, Walnut, Pecans etc.
Fleshy fruit:
soft flesh opposite to seed e.g. Mango
Pome:
Edible part thalamus e.g. Apple, Pear, Quince.
Fruit Classification based on fruit type
Berries:
Develop from ovary walls e.g. Grapes, Banana, Citrus,
Tomato.
Stone/drupe fruit:
Fruits have stony endocarp e.g. Peach, Plum, Apricot,
Mango, Cherry.
Hesperidium: leathery and granular pericarp, locules of
the fruits contain juicy sacs developed from placental
hair of endocarp e.g. Citrus
Capsule: Aonla, Carambola etc.
Psorosis: developed from spike, small fruits fuse by their
succulent calyx e.g. Pineapple, Jackfruit, Mulberry etc.
Syconus: fruits developed from a hollow, fleshy and enlarged
receptacle which encloses numerous male and female e.g. Fig.
Etario of berries: Custard apple
Growth habit & physiological characteristics
Succulents:
Plants with tender and watery stem & leaves eg. foliage
plants
Herbacious:
Self supporting succulent
Tender stem either drooping or self supporting eg. most of
vegetables
Woody:
self supporting woody plants eg. trees and shrubs
Evergreen
Plants with persistent leaves
Tropical in origin
E.g. Citrus, Mango, Date, Guava, Litchi, Coconut, Olive,
Ber, Banana, Pineapple, Fig and Papaya etc.
Deciduous
Plant shedding their leaves in winter
E.g. Apple, Pear, Peach, Plum, Apricot, Almond, Cherry,
Strawberry, Grapes, Walnut, Pistachio, Pomegranate and
Falsa
Life span
Annuals
Complete life cycle in one growing season.
Many vegetables and seasonal flowers.
Biennials
Complete life cycle in two growing seasons.
Ist season- Vegetative growth with short internodes and rosettes
IInd season- bolting (flowering stalk with long internodes
bearing flowers and fruits)
Root vegetables (Carrot, beet, radish)
Leafy vegetables (Lettuce and cabbage)
Onion.
Climate is critical factor in determination of the life cycle
Acc. to availability of male/female parts on the plant
Monoecious:
Male and female parts on the same flower/plant.
e.g., Mango, Citrus, Cucurbits and Walnuts.
Dioecious:
only one sex present on one plant.
e.g., Date and Papaya, Spinach, Asparagus, Beet
Polygamous:
having all male, female and hermaphrodite flowers on the same
plant
Watermelon, Fig, Mango
Temperature relations
Acc. to growing season (Fruits)
Temperate:
Mostly deciduous.
Required chilling to flower
e.g. Apple, Pear, Plum and Peaches.
Sub tropical:
Can’t tolerate frost
e.g. Citrus, Guava and Grapes.
Tropical:
More sensitive to low temp.
e.g. Banana, Papaya and Mango.
Vegetable classification based on uses & cultural
requirements
Root crops
with underground edible part e.g. Carrot,
Radish, Turnip, Beet, Potato.
Leafy vegetables
Lettuce, Cabbage, Celery, Spinach
Vine crops
Most of cucurbits
Ornamental plant classification based on uses &
cultural requirements
Flowering plants
Annuals,
perennials and
bulbs with underground storage organs.
Landscape plants
Foliage plants, ground covers, lawn grasses, hedges,
trees and shrubs
Indoor plants with persistent evergreen foliage
True fruit
When ovary of the flowers grows into the fruit,
it forms true fruit.
False fruit/ pseudo fruit
When other floral parts such as thalamus,
receptacle or calyx form a part of fruit.
Simple fruit
Developed from one single ovary containing one or more
carpels and may not include additional accessory structure
Aggregate fruits
From one flower that produces many tiny fruits clustered
together (etaerios), strawberry, raspberries
Etaerio of achenes: strawberry
Etaerio of berries: custard apple
Etaerio of drupes: raspberry
Multiple fruits
Developed from many separate but closely
clustered flowers e.g. Pineapple, Fig, Mulberry
Sorosis : developed from female catkin
E.g pineapple, mulberry
Syconus: developed from hypanthodium type of
inflorescence. fig
Catkin type inflorescence- Mulberry
Hypanthodium type of inflorescence: Fig
Simple fruits
Fleshy fruit
Its pericarp and accessory parts develop into
succulent tissues
One or more layers become soft during
ripening
Its pericarp is fleshy at maturity
Berries:
Pericarp is fleshy and differentiated into
epicarp, mesocarp and endocarp
Single seeded or many seeded
Seeds become free from placenta and lie freely
in the pulpy endocarp.
Eg. Grapes, guava,tomato.
Modified berries:
Stone/drupe:
Pericarp is divided into distinct layer epicarp (thick),
mesocarp (pulpy) and endocarp (hard and woody
containing single seed).
Plum, peach, mango, jamun
Pome:
False fruit developed from ovary along with adjacent
flower fleshy thalamus
Apple, pear, loquat
Hesperidium
Leathery and granular pericarp, locules of the fruit
contain juicy sacs developed from placental hair of
endocarp
Oranges
Nut:
Pericarp become thick and hard
Litchi
Capsule:
Developed from two or more united carpels and fruit are
many seeded.
E.g. Aonla, carambola
Balusta :
Whole fruit is covered by a hard rind made up of exocarp
and part of mesocarp. The endocarp is papery and covers
the individual group of seeds.
Watermelon
Pepo:
Rind or exocarp does not separate from mesocarp. Seeds
do not separate from placentae. Eg. Cucumber, pumpkin.
Rind may or may not be edible.
Amphisarca:
Multilocular and many seeded superior berries in which
outer part of pericarp or epicarp is woody, mesocarp is
fibrous while endocarp and placental form the edible
pulp, e.g. bael, woodapple.
Indehiscent fruits: single seeded doesn’t split or
open at maturity to shed their seeds.
Dehiscent/capsular: pericarp splits open at
maturity and the seeds are released. Many seeded
dehiscent.
Schizocarpic: it is developed from having two or
more united carpels which splits into indehiscent
one seeded part is called mericarp.
Monocotyledonous: Coconut, Arecanut, Pineapple,
Banana, Date palm etc.
Dicotyledonous: Mango, Karonda, Aonla, Guava,
Jamun, Ber, Pomegranate etc.