Skip to main content
INTRODUCTION OF ORCHID 
Orchids are monocotyledonous, perennial herbs belonging to orchidaceae family
Orchids are accepted to world’s most exotic & fascinating flowers
Valued for their long spikes which display a variety of colours & long vase life
 Ranks first in global trade of tropical cut flowers & 13th in total cut flower trade in  international market

  ORIGIN & DISTRIBUTION
Ø  
Ø    Orchidaceae- 800 genera & 25,000 sp. 

around the world.

Ø    India is home to about 1,300 sp. (about 

800 sp. in NEH region).
Three major orchid growing regions 
in the world-
Ø
          i).  Tropical American Zone :  SE Brazil, NW 
\Bolivia, Western    Venezuela, Central America- Cattleya & Oncidium.
         
          ii). Tropical Africa Home to 

Angraecoides.
         
         iii). Indo- Myanmarese & Southern Asiatic

 region : The Himalayas, Myanmar, Thailand, 

Malaysia, Indonesia - Cymbidium,

Dendrobium, Vanda, Paphiopedilum

phalaenopsis.

         INDIA – Kerala, Western ghats, Kashmir
, North eastern hills


Importance & economic value of Orchids
Orchids as cut flower: At present orchids cut

 flower trade is a multi million dollar business.
Phytochemicals from orchids: Several 


alkaloids are extracted from many orchids species.

                 - Dendrobine- Dendrobium Sp.
                 - Shihunine- Dendrobium nobile.
                 - MalaxineMalaxis congesta
Orchids as spice, flavoring agent & food:

      - Flavoring agent- Vanilla planifolia.
      - Roots, tubers, rhizomes- food in Asia, Africa

 

Comments

Popular posts from this blog

🍀HOME GARDEN🍀 Author:- G.keerthana

HOME GARDENING  Article by :- G.keerthana . Growing your own vegetables can be fun as well as rewarding. All you need to get started is - some decent soil and few plants and this way you provide fresh healthy vegetables.         My own home garden  A good home gardening plan may include selecting the right location, determining the size of the garden, deciding upon the types and varieties of vegetables to plant.  It must be noted that there are many vegetables that can be grown in pots. How to begin with Home Gardening: Site selection. Size of the garden. Deciding on what to grow. Location of vegetables in the garden. Time for plantation. Gardening images of my own garden: Uses of Home gardening:- Improve your health. Consuming more fresh fruits and vegetables is one of the most important things you can do to stay healthy. Save money on groceries. Get outdoor exercise. Gardening is a natural stress reliever. May lower the stress...
Plant protection Pests Mango hopper (Tenemanchu purugu) ( Idioscopus clypealis , Idioscopus nitidulus   Amritodus atkinsoni   )             Damage is caused by sucking sap from tender leaves and inflorescence. Ovipositional punctures also cause damage to tender leaves and inflorescence. Severely infested leaves become curled and inflorescence gets dried. Affected parts are covered with honeydew and sooty mould. Control One spray with carbaryl @ 3 gms/litre of water in November before panicle  formation   ensuring  that tree trunks are also thoroughly drenched during the spray. During full length stage of panicle but before full bloom full bloom stage spraying with endosulfan @ 2 ml /litre of water or Dimethoate @ 2 ml /litre of water or imida cloprid @ 0.3 ml/ litre of water if incidence of hoppers is high (more than 5-10 per panicle).After fruit set at pea size stage spraying with imida c...

POMEGRANATE INSECT PESTS AND DISEASES author:- swaroopa.v

pomegranate insect pests Article by:- swaroopa.v Anar butterfly/ Pomegranate fruit borer:- scientific name:- Virachola isocrates , Deudorix isocrates Family:-Lycaenidae order:-Lepidoptera Damage symptoms:- 👉Caterpillar bores into young fruits. 👉Feeds on internal contents (pulp and seeds). 👉Fruit rotting and dropping may occur. Fruit sucking Moth:- Scientific Name:- Othreis fullonica , Othreis materna Family:-Noctuidae Order:-Lepidoptera Damage symptoms:- 👉A circular pinhole like spot appears at the feeding site. 👉Later on, the area around the damaged portion turns yellowish-brown. 👉 The punctured fruits are easily infected with bacteria and fungi. As a result, the fruit rot and falls prematurely.  Diseases:- 1.Bacterial leaf and  fruit spot :- Disease symptoms:- 👉 appearance of one to several small water soaked,dark coloured irregular spots on leaves resulting in premature defoliation under severe cases. 👉 The pathogen also infects stem and br...