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Studies on Grafting in Mango

M.N. Islam
Horticulture Research Center, BARI, Joydebpur, Gazipur.

A.K. Azad
Horticulture Research Center, BARI, Joydebpur, Gazipur.

D. Khanam
Horticulture Research Center, BARI, Joydebpur, Gazipur.

A. Ahmed
Horticulture Research Center, BARI, Joydebpur, Gazipur.

Abstract/ Executive Summary:

Effect of age of rootstock on the success of veneer grafting in mango and Performance of different methods of grafting were studied during 1990-91 at the Bangladesh Agricultural research Institute, Joydebpur. The success of veneer grafting on both 2-month old (70%) and 14-month old rootstock (86%) was reasonable. However, growth of successful crafts on two-month-old rootstock was better. The success in cleft (95%), modified cleft (75), veneer (80) and whip (90) methods on one-year old rootstocks was also satisfactory and statistically similar to each other. However, further studies of cleft methods of grafting on two-month old rootstock are suggested.

Keywords: Mango, Grafting, Performance

Location: Bangladesh Agricultural Research Institute, Joydebpur.

Start Date: 01-08-1990

End Date: 30-06-1991

Program Area: Variety and Species

Commodity: Mango

Objectives:

1.To determine the effect of age of rootstock on success of veneer grafting

2. To determine comparative performance of different methods of grafting in mango.

Methodology:

The studies were conducted at the Bangladesh Agricultural Research Institute, Joydebpur during August 1990 to June 1991, In the first experiment, 2-month old and 14- month old seedlings were used as rootstocks. Scions taken from cv. Beera were grafted by veneer method, All precautionary measures were taken for the success of the grafts. The experiment was laid out in RCBD. Treatments were replicated three times and there were 30 grafts per u: .ir plot. Data .n respect of days to bud break or in other word success of the grafts, and growth as measured by number of flushes and leaves 10 months after grafting were recorded, A visual rating of growth such as poor, average, good, very good and excellent was also made. Treatment means were compared by T -test. In the second experiment, scions were collected from cv. Samarbehest and grafted on one-year- old rootstock in veneer, cleft, modified cleft and whip methods following procedure as described by Sadhu (1986). The experiment was laid out in RCBD and the treatments were replicated three times. There were 30 grafts per unit plot. Data in respect of days to bud break and growth i.e. length of shoot and number of leaves were recorded three months after grafting. The data were analyzed statistically and treatment means were separated by DMRT.

Source of Information: Bangladesh Horticulture, Vol-22(1&2): Pag-133-135, 1994

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Mean girths of 2 month-old and 14 month-old rootstock were 0.52 and 0.81 cm. respectively. Data in respect of success of grafts, shoot length, base girth, number of flushes and leaves, growth index in 1-5 scale and age of rootstocks at planting of the successful grafts are presented. Growth of the successful grafts on 2-month-old rootstocks was better and the shoot length was significantly longer compared to those on 14-month-old rootstocks. Success in different methods of grafting, and days to bud-break, shoot length and leaf number of successful grafts three month after grafting are shown. There was no significant difference in success among different methods of grafting. However, days to bud-break was significantly higher in cleft methods compared to that in other methods were similar to each other. It might be due to better cambial contact between rootstock and scion in all the methods except the cleft. However, shoot length and leaf number of successful grafts were similar in all the methods of grafting.Considering the time spent in nursery, if one year-old rootstock are used, and consequent price escalation and relative ease in performing grafts in different methods, cleft method of grafting on two-month old rootstocks is recommended.

Knowledge Management: Journal