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Bougainvillea
1. DIVISION OF FLORICULTURE & LANDSCAPING
ICAR-INDIAN AGRICULTURAL RESEARCH INSTITUTE, NEW DELHI
BABITA SINGH
SCIENTIST
Use of Bougainvillea in Landscape Gardening
2. Flowering plants
Family –Nyctaginaceae
Species-14
Horticulturally important-B. glabra,B.spectabilis,B.peruviana
B.buttiana
Native -South America.
Introduced in India in 1860 as B. spectabilis
(RHSI, Calcutta)
Growth habit and modified leaves called bracts
Most favorite garden plant
Urban and peri-urban landscaping
3. Although, Bougainvillea has originated in South America, but
approximately 50% of the present day cultivars were evolved and
produced in India.
The Division of Floriculture and Landscaping of IARI is a pioneering
centre of Bougainvillea besides, NBRI, Lucknow; IIHR, Bangalore;
CAZRI, Jodhpur; BARC, Mumbai.
Division of Floriculture and Landscaping IARI, New Delhi has been
recognized as the International Registration Authority for Bougainvilleas
by Royal Horticultural Society, U.K, since, 1966.
The division is one of the major repository centre and more than 100
cultivars of bougainvilleas are conserved here with different colour,
thorny, thornless, variegated, bicoloured, multibracted etc.
The varieties evolved at IARI include Dr. R.R. Pal, Stanza, Summer
Time, Sonnet, Spring Festival and Vishakha.
Three new cultivars of bougainvillea Dr. P.V. Sane, Leah Nagpal and
Geoffrey Nagpal have been registered in this year at IARI repository.
10. It can be used in group planting in the garden
Cv.-Tomato Red, Chitra, Cherry blossom, Arjuna,
Gopal, Flame, Begum Sikander, Mahara variegated
etc.
14. Trained in specially constructed frames of desired
shapes for making topiary.
Cv-New Red, Lady Richard, Happiness, Perfection,
Cherry blossom,Parthasarthy,Purple Star etc.
15. They form compact, thorny, beautiful hedge
Cv.- Dr. R.R. Pal, Mary Palmer,
Shubhra, Thimma, Partha, Parthsarthy etc.
17. As a standard provide real spectrum to the
garden.
Restricted the apical growth and making an
umbrella.
Cv-Mahatma Gandhi, Sensation
Rose Queen, Spring Festival
Refulgens, Jayalakshmi
Speciosa, Summer Time etc.
19. Grow very well in all kind of containers
For interior decoration as a pot plant
Beautify verandah, rooms, window
boxes, terraces.
Cv. Chitra, Jaya Lakshmi,
Summer Time, Formosa, Happiness,
Vishakha,Lady Richard,Zakiriana
Stanza,Tomatao Red etc.
21. Trained in the form of cascade by training the potted
plant on a frame made of bamboo sticks.
For cascade drooping habbit cv are suitable .
It has so much flexibility of shoots.
Cv. Thimma, Golden Glow, Shubhra ,Begum Sikander
Dog star, Palekar, Isabel Green Smith,Zakiriana etc.
23. Vigorous cultivars are trained to cover.
Cv. Los Banos Beauty, Golden Glory, Shweta,
Yellow Queen, Cherry Blossom, Walker, Rose
ville’s delight, Singapore Red, Mahara, Partha,
Shubhra etc.
25. Cv. For Trees
Glory, Purple Star, Dr.R.R.Pal, Meera, Gopal, Pink
Beauty, Spring Festival,Radha etc.
Cv. For Slopes
Blondie, Shubra, Glabra, Cherry blossom, Enid
Lancsater, Lilac Perfection. etc.
28. For ornamental novelty.
Suitable for balconies and verandahs.
Giving uniform ball type effect.
Cv-Glabra variegated,Dr.H.B.Singh, Paleker,Dr.R.R.Pal
Jawahar Lal Nehru, Sanderiana etc.
29. Varietal Wealth at IARI
White
Shubhra, Mary Palmer, Shweta, Snow Queen, Jennifer
Fernie ,Pearl etc.
Yellow
Golden Glory, Golden Glow, Lady Mary Baring, Yellow
Queen, Enid Lancaster etc.
Orange
Lousie Wathen, Camarillio Fiesta, Flame, Scarlet
Queen, Srinivasa, Archana, Zakiriana, Roseville’s
Delight etc.
Purple
Asia, Gopal, Jayalakshmi, Mr. H. C. Buck, Sonnet,
Spring Festival, Gillian Greensmith, Manohar chandra,
Sweet Heart etc.
30. Pink
Los Banos Beauty, Lady Hudson of Ceylon, Pink Beauty, Sensation, Enid
Lancaster, Dog star, Mahatama Gandhi, Cascade, Lady Mountbatten,
Poultoni Special, Princess Margaret Rose etc.
Bicoloured
Begum Sikander, Chitra,Mary Plamer Special, Wazid Ali Shah,
Fantasy,Cheery Blossom etc.
Thorn less
Pink Beauty, Lady Hudson, Perfusion, Liliac Queen, Dr.H.B.Singh, Jawahar
Lal Nehru, Torch Glory etc.
Few Thorns
Cheery blossom, Dr,B.P.Pal, Zakiriana, Gangaswamy, Refulgens, Bhbaha
etc.
Vigrours Thorns
Chitra, Partha, Singapore Red, Stanza, Mahatama gandhi, Parthsarthy, LMB,
Gopal, Vishakha etc.
31. Site –sunny sites with good drainage
Soil- Sandy loam
Climate-Tropical and subtropical
Planting- most suitable time July to
September
Irrigation-Less watering
Prunning- May or August
Insect pest- Teremites(Cholpyriphos-0.05%)
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44. Pollution tolerant
Draught resistant
Useful in industrial region
Absorbs harmful gases CO, CO2, SO2, NO2,SPM,RSPM
and oxides of nitrogen
Leaves help in dust trapping
Cv. - Dr H B Singh, Dr R.R. Pal, Chitra, Shubhra etc.
45. Nutraceutical pigments
Bracts are rich source of betalain pigments
(betacyanin)
Natural colorant in food industries.
Sugar balancer
B.Spectabilis-source of pinitol
Used to treat metabolic diseases (insulin-resistant
diabetes)