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Interactive Effect of Method and Time of Grafting on Success, Survival and Growth of Indian Olive

M. Masuda Khatun
Senior Scientific Officer
HRC, BARI, Gazipur 1701

M. Marufa Khatun
Scientific Officer
HRC, BARI, Gazipur 1701

Abstract/ Executive Summary:

The interactive effect of time (February, March, April and May) and method (cleft, splice and veneer) of grafting in Indian olive was conducted at HRC, BARI, Gazipur, during 2012-2013. Cleft grafting done in May showed earlier bud break (13.00 DAG) closely followed by splice in May (14.00 DAG), whereas veneer in April showed delayed bud break (25.00 DAG). Cleft done in May resulted in maximum success (96.67%) at 30 DAG and survivability at 60 and 90 DAG (91.67 and 91.67%, respectively) followed by success and survivability in splice grafting done in May (90.00, 86.67 and 86.67 % at 30, 60 and 90 DAG, respectively). Veneer performed in February exhibited minimum success at 30 DAG (33.33 %) and survivability at 60 and 90DAG (30.00%). Maximum shoot length (26.22 cm), shoot diameter (0.58 cm), leaves/graft (23.53) and shoots/graft (4.53) were recorded from splice done in March, whereas minimum shoot length (14.00 cm), shoot diameter (0.35 cm), leaves/graft (10.00) and shoots/graft (2.00) were obtained from veneer done in February.

Keywords: Interaction effect, Indian Olive, Grafting method, Success, Survivability

Location: HRC, BARI, Gazipur

Start Date: 01-01-2012

End Date: 31-12-2013

Program Area: Crop-Soil-Water Management

Commodity: Indian olive

Objectives:

To find out the interactive effect of method of grafting and time of grafting on success, survival and growth of Indian olive.

To select suitable method and time of grafting in Indian olive

The study the effect of time and method of grafting in Indian olive propagation.

Methodology:

The experiment was conducted at the Fruit Research Farm of HRC, BARI, Joydebpur, Gazipur during 2012-2013 to study the three methods of grafting viz., cleft, splice and veneer on four months of grafting viz., February, March, April and May. Hence, treatment combination were 12. The two factor experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. Thus there were (4×3) 12 treatment combinations. Ten grafts were prepared in each replication. A total number of 360 (12 × 3 × 10) grafts were prepared in the first week of February to May, 2013. The seedlings of local Indian olive were raised in 20´15 cm polybags filled with a mixture of silt and compost in equal proportion. Scion of Indian olive with about 8-10 cm long was used in this experiment. The grafting was done on the same day of scion collection in each month. The grafting operation was done with a sharp knife on the rootstocks of about 10-15 cm above the soil level. Grafting tape was used to tie the grafts. The grafts were covered with polythene bags, which promoted the retention of high humidity within the bag up to the union of grafts and prevented the drying out of the bud wood. The prepared grafts were kept under partial shade in the mist house. The polythene covering was removed after bud break when 4-5 leaves were appeared on the grafts. The grafting tape was removed when the grafts were confirmed. Data in respect of days to bud break, per cent graft success (30 DAG), survivability (60 DAG and 90 DAG)), shoot length, shoot diameter, number of leaves per graft and number of shoots per graft at 90 DAG were recorded and analyzed statistically.

Source of Information: Research Report on Horticultural Crops 2013-14. Horticulture Research Centre, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 25000/-

Total Budget (Tk.) : 25000/-

Achievement/Findings:

The treatment combinations exerted significant influence on days to bud break, per cent success, per cent survivability (at 60 and 90 DAG), shoot length, shoot diameter, number of leaves and shoots per graft. Cleft and splice grafting of Indian olive in the month of May had higher success and survivability.

Knowledge Management: Report/Proceedings