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Indian Journal of Horticulture
Year : 1947, Volume : 5, Issue : 1and2
First page : ( 29) Last page : ( 34)
Print ISSN : 0972-8538. Online ISSN : 0974-0112.

Effect of Smudging on Mango

Sen P. K., Mallik P.C.

Fruit Research Station, Sabour, Bihar.

Summary and Conclusion

Smudging of the mango is practised in certain parts of the Philippines (or inducing flowering. It is not, however, known to be practised in India or in any other mango tract, or even much widely in the Philippines. Experiments were conducted at the Fruit Research Station, Bihar, Sabour with the Langra Mango in order to study the effect of this treatment on the plant under the local conditions. Instead of flowering smudging has stimulated vegetative growth. In addition to normal shoots arising from terminals large number of axillary buds appeared in clusters to form malformed bunchy growths. It is apparent that smudging has a stimulating effect on growth, but the nature of growth, reproductive or vegetative, depends on other factors. One of the previous workers also concludes that smudging can induce flowering only if the shoot is in condition to flower. But none of them mention any effect of stimulating excessive vegetative growth as shown in the present experiments.

Opinion differs as to whether the smudging is due to heat of the smudge or due to smoke. It is not considered to be due to the heat as the average difference of temperature between the treatment and the control was only 2°C. Ethylene gas which is one of the chief constituents of the smudge smoke, produced by burning vegetable matter, are known to have given similar effect on pineapple. It is, therefore, thought that stimulating effect of smudging is due to the smoke. It is intended to continue the study in connection with researches on the physiology of the mango.

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