See discussions, stats, and author profiles for this publication at: https://www.researchgate.
net/publication/326847501
EFFECT OF PRE-SOWING SEED TREATMENT WITH PLANT GROWTH
REGULATORS ON GERMINATION AND GROWTH OF PAPAYA (CARICA
PAPAYA L.)
Article · August 2018
CITATIONS READS
3 108
4 authors, including:
Prashant Hiraman Nikumbhe
Central Arid Zone Research Institute (CAZRI)
8 PUBLICATIONS 6 CITATIONS
SEE PROFILE
All content following this page was uploaded by Prashant Hiraman Nikumbhe on 07 August 2018.
The user has requested enhancement of the downloaded file.
BIOINFOLET 12 (3 B) : 668 - 674, 2015
EFFECT OF PRE-SOWING SEED TREATMENT WITH PLANT GROWTH REGULATORS ON
GERMINATION AND GROWTH OF PAPAYA (CARICA PAPAYA L.)
D.S. Mali, P.H. Nikumbhe, R. P. Kharde and P.N.Sonavane
Department of Horticulture, Sam Higginbottom Institute of Agriculture Technology and Sciences,
Allahabad. 211007 (U.P.)
ABSTRACT
The varieties, treatments and their interaction were found significant
with survival and plant spread irrespective of the timings. The maximum seed
germination (47.50%) , plant spread (11.60 cm) at 30 days and seedling height
(7.58 cm and 12.60 cm), number of leaves per plant (6.67 cm and 9.78 cm) ,
stem diameter( 0.253 cm and 0.323 cm ) at 20 and 30 days respectively were
recorded due to the treatment with gibberelic acid (@ 500 ppm). Among
interaction seeds of Taiwan variety soaked in gibberelic acid ( @ 500 ppm) gave
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
highest germination percentage, seedling height, number of leaves per plant,
plant spread and stem diameter while minimum were recorded with Honeydew
Members Copy, Not for Commercial Sale
variety soaked in water .
www.IndianJournals.com
Key words: germination, seedling height, leaves per plant, plant spread, and
stem diameter.
Introduction served as control. Pre treated papaya seeds
were sown in polythene bags and irrigated at 8-
Dipping of seeds in nutrients and plant 10 days interval in winter and 4-5 days interval
growth regulators plays an important role in in summer.
germination, growth and survivability of
several plants. Walse (2005) reported that, Result and Discussion
seeds soaked in 400 ppm GA3 for 72 hours
resulted in early and better germination. The results obtained are presented in
Present investigation was undertaken on the Tables 1 – 5. Maximum seed germination (
effect of plant growth regulators ( PGRs ) on 15.21, 32.08 and 47.50 per cent respectively )
growth of papaya (Carica papaya L.) cultivars. was recorded in Taiwan variety of papaya,
. while minimum (12.92, 30.83 and 45.21 per
Material and Methods cent respectively) in Honeydew at 10, 20 and
30 days after sowing respectively. Among
The experiment was conducted at various GA3 treatments, higher germination (
Commercial Fruit Nursery Unit; Department of 56.67 percent ) at 30 days after sowing was
Horticulture, Sam Higginbottom Institute of recorded with the treatment of Gibberelic acid
Agriculture Technology and Sciences, (@ 500 ppm) as compared to 37.22 percent
Allahabad during the year 2010-2011. Twenty- with control.The results are agreement with
four treatment combinations were laid out in those recorded by Sasikala and Srimati
factorial (3 x 8) Randomized block design with (1991).
three replications. The seeds of each variety At 10, 20 and 30 days after
viz; Taiwan, Pusa Nanha and Honeydew of germination, the progressive increase in
papaya were soaked in various concentrations height of the seedling was recorded in Taiwan
of Gibberelic acid ( GA3) for twelve hours. variety, while variety Honeydew showed
Soaking of the seeds in water for six hours minimum plant height at the same time. At 10,
BIOINFOLET 669
20 and 30 days after germination, maximum Thus it can be concluded that the
plant height ( 3.63, 7.58 and 12.60 cm combined effect of seed treatment and variety
respectively ) was recorded in Gibberelic acid ( indicates that the seeds soaked 12 hours in
@ 500 ppm) treated plants, while the minimum GA3 500 ppm of Taiwan variety gave maximum
seedling height was observed in control. When germination percentage, maximum plant
seeds of Taiwan variety of papaya were height, number of leaves per plant, plant
soaked in gibberelic acid (@ 500 ppm) highest spread, stem diameter and survivability.
seedling height was recorded. The results are
in agreement with the findings of Ghosh, and References
Sen (1988)
Maximum number of leaves per Ghosh, S.N. and S.K. Sen (1988). South
seedling were reported in Taiwan variety, while Indian Hort. 36(5):260.
variety honeydew produced minimum number Hore, J.K. and S.K. Sen (1985) Haryana J.
of leaves per seedling at the same time. Hort. Sci. 14(3-4):204.
Similarly, maximum number of leaves were Nimbalkar, S.D. (2002) ”Effect of growth
recorded due to the treatment with Gibberelic regulators on performance of papaya cv
acid (@500 ppm) and minimum when soaked Taiwan-786”. M.Sc. (Agri.) Thesis, Dr.
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
in water. Variety Taiwan and seed soaking in Punjabrao Deshmukh Krishi Vidyapeeth,
gibberelic acid (@ 500 ppm) gave highest Akola.
Members Copy, Not for Commercial Sale
number of leaves per seedling. Similar findings Sasikala and P. Srimati (1991). Indian J.
www.IndianJournals.com
were reported by Nimbalkar, (2002) The Forestry. 14(1):1.
variety Taiwan in combination with Gibberelic Walse, S.R. (2005) ”Effect of GA3 and
acid (@500 ppm) treatment recorded chemicals on seed germination and
maximum stem diameter and plant spread. seedling growth of aonla”. M.Sc. (Agri.)
Hore et al. (1985) also reported that the Thesis, Dr. Punjabrao Deshmukh Krishi
treatment with GA @ 100 ppm increased the Vidyapeeth), Akola.
girth / diameter of plant.
www.IndianJournals.com
Members Copy, Not for Commercial Sale
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
670
www.IndianJournals.com
Members Copy, Not for Commercial Sale
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
671
www.IndianJournals.com
Members Copy, Not for Commercial Sale
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
672
www.IndianJournals.com
Members Copy, Not for Commercial Sale
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
673
www.IndianJournals.com
Members Copy, Not for Commercial Sale
Downloaded From IP - 14.139.59.53 on dated 15-Feb-2017
View publication stats
674
