Horticulture Flashcards
Origin of the word ‘Horticulture’
From Latin Words:
Hortus + cultura
garden + cultivation
As per Agri statistics, area under horticulture production in 2023-24?
28.77 million ha
As per Agri Statistics, Production of Horticulture in 2023-24 is?
352.2 million tonne
reduction fron 355 of previous adv est
As per agri statistics, vegetable production in 2023-24 is?
212 million tonnes
Fruits that can ripen off the plant
Climacteric Fruits
Eg: Banana, peach, mango, papaya
Fruits that are harvested after the ripen on the tree
Non-Climacteric Fruits
Eg: Grapes, Oranges, Cherry
Development of seedless fruits is known as? Hormones used to induce this?
Parthocarpy
Auxin & Gibberellic Acid
How many horiculture zones are there in India?
3
Tropical
Sub-tropical
Temperate
Asexual modes of reproduction in plants?
Apomixis
Parthenocarpy
Fruits with seeds, that are genetically identical to the mother cell
Apomixis
A nursery layout that facilitates interculture?
A nursery layout that is the most common layout?
Rectangular
Square
Hexagonal Nursery Layout accomodates ___% more plants
15%
A nursery layout similar to square, but with 1 additional plant that is short lived in nature. The number of plants per acre is almost doubled in this system
Quincunx
or diagonal system of plant
Giving direction to plant
Training
Altering shape or size of plant
Pruning
A training system where the central part dominates - the plant shows pronounced apical dominance sides don’t grow much.
Give an example
Central Leader System
Eg: Rose, apple
A system where the main stem is allowed to grow up to a certain height, then growth of lateral branches are promoted
Open Centre System
Modified Approach is followed for which plants?
Apple, Pear
Mid-day system
A system where plants are trained on wires/pergolas? Give Examples
Cordon system
Eg: Grapes, passion fruit, small ground
Pruning height for Low Head Pruning?
0.7-0.9 m
Low head = 79 (<1m)
Medium head pruning height?
0.9-1.2m
Medium head = 912 (1m-1.2m)
High head pruning height?
> 1.2m
LH = 79, MH = 912, HH = 12 (>1m)
A form of low pruning to about 2m upto stem
Pollarding
Used in silver oak in tea orchards
Scientific name of Silver Oak
Grevillea robusta
A pruning method where entire branches are removed, from its base, leaving no stubs. It is used when trees are too dense with leaves.
Thinning Out
Cutting of main stem or all or few of the branches, leaving a basal portion
Heading Back
When is Heading back (pruning) done in plants in North India and South India?
North: Jan
South: Aug
Heading back of grapes is done in the month of?
October
A method where the young buds (vegetative or reproductive) are nipped, without giving them a chance to sprout. To make terminal buds give a bigger flower
Disbudding/
Rubbing off
Eg: Rose
System that refers to the removal of the tip of the shoot along with the bud - to stimulate mildly lateral growth. It is mostly practivced in which plants?
Pinching & Topping
Coffee & Cottom
Removing the top or central growing point to encouage side shoots to develop, and create a bushier plant by removing old & spent flowers during the plant’s growing season - encouraging side shoots to develop
Deadheading
When is pruning for apples, peaches and plums done? Which methods are followed for these crops?
Late Winter (Dec-Jan)
Thinning + Heading Back
When is pruning of Mango Done?
- Winter (Sept-Oct)
- After Harvest
When is Heading back and Thinning (pruning) of ber done?
Summer (April-May)
Ber & South indian grape - Summer Pruning
A specialise dpruning technique to rejuvinate a plant that has stopped bearing fruits by grafting on pruned branches? Give Examples?
Top Working
Mango, Cashew, Apple
Fruit where specific gravity ranged from 1.01-1.02 and TSS reaches 11-15 degree Brix (sugar content) upon ripening
Mango
A fruit where pulp-peel ratio reaches 1.2-1.6 and taken 3-3.5 months to ripen post shooting?
Banana
TSS requirement for grape to be harvested?
16-24%
A dull hollow sound is produced when the fruit is tapped and has an aromatic odour upon ripening
Jackfruit
Fruit that is ready to harvest 135-140 days after anthesis
Pomegranate
Half-slip stage is a necessary identification of ripening of which fruit?
Musk Melon
Harvest is decided unpon standard set by ISO for minimum juice content of 25-35% depending upon variety
Citrus
25% - limes, Oranges & grape - 35%
Out of Groundnut, horsegram, soybean, which belongs to the pea family?
All 3
Cashew, Papaya and Red Sanders are native to which country?
Cashew - Brazil
Papaya - Mexico
Red Sanders - India
Origin of Mango?
Indo Burma
Which variety of mango is suitable for highdensity planting (HDP)
Amrapali
HDP = 5m x 5m (400 plants/ha)
A juicy variety of mango with Andhra GI tag?
Banganapalli
Mango with the best export variety that is most susceptible to spongy tissue
Alphonso
Sweet late variety mango of north india?
Chausa
Early variety of mango from north india
Bombay Green