Table 1. Crop Varieties /Mutant lines of Vegetatively Propagated Crops That Have Been Improved Through Induced Mutation
Breeding in the Philippines.
Crop Parent material Mutant variety/ Lines developed Mutagen dose Mutated character/main attributes
of the variety
Status of mutant
Sweet Potato Kinastanyas Kinastanyas mutant PNRI 1984 5 Gy gamma rays Increase yield
(49% more than the original variety )
Chlorophyll mutant
Distributed to BPI, UPLB,
Tiaong, Quezon and WLAC
Pineapple Queen Queen chlorophyll MutantPNRI 30-40 Gy recurrent irradiation Chlorophyll mutant that look-like ornamental bromeliads.Reduction of thorns Propagation of the chlorophyll
mutant for submission to NSIC
for registration
Banana Lakatan IPB, UPLB 20-25 Gy Putative mutant resistant to bunchy top virus (BTV)Earliness to bear flowers Evaluation for field BTV
resistance & horticul
tural
traits of the banana clones
Chrysanthemum

Chrysanthemum morifolium

(Yellow variety)

PNRI 2001 10 Gy Earliness to bear flowers Further selection and
purification.
Multiplication and evaluation
Dracaena sp.

D. sanderiana

 



D.
godseffiana

Dracaena 'Marea'
PNRI 2002

 


PNRI

20 Gy



20 Gy

Chlorophyll Mutant-robust plant with strips on the leaves



Putative chlorophyll mutant, reduction in leaf size

Registration with NSIC, Dept.
of Agriculture Test- Marketing
& Multiplication of mutant

 

Multiplication & purification
of the mutant

Cordyline terminales PNRI 20 Gy Putative chlorophyll mutant -do-
Freycinetia
Sp.
Freycinetia multiflora PNRI 30 Gy Putative mutant with reduced thorns, short internode and reduced leaf area -do-
Mussaenda

Dona Hilaria

Dona Aurora

IPB, UPLB

-do-

30 Gy Putative mutant with patches of white on the peach petaloids Mutants are being stabilized,
subjected to cytological and
horticultural evaluation
Legend:
NSIC - National Seed Industry Council
BPI - Bureau of Plant Industry
IPB - Institute of Plant Breeding, University of the Philippines at Los Banos
UPLB - University of the Philippines at Los Banos, Laguna, Philippines