cover image: The Tropical Agriculturist. The Agricultural Journal of Ceylon  December  1930

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The Tropical Agriculturist. The Agricultural Journal of Ceylon December 1930

1930

The American Depaigment of Agriculture administers some fifty regulatory statutes controlling the quarantine of animals the inspection of meat the supervision of viruses serums and toxins the preparation of butter the exclusion and control of pests the importation of tea milk and many bther things. [...] INFLUENCE OF CLIMATIC CONDITIsaNS In a few of the reports of th; Sub-Committees attention is drawn to the absence of the fly from the paddy areas during strong winds especially the hot dry wind which blows during the south-west monsoon on the northern and eastern sides Of the Island. [...] Since then it has spread to the majority of the plantain-growing districts in the Island; during the earlier part of the last decade it proved a limiting factor to the growtfi of plantains oil a commercial scale in the Central and Western Prov-inces. [...] The first definite symptom of the disease is the appeaance of the youngest unfolded leaf of irregular dark-green streaks about A inch wide along the secondary veins on the underside of the lower portion of the leaf-blade along the leaf stalk or along the lower portion of the midrib. [...] The fungus enters the vascular system of the root stock and interferes with the water supply of the plants by causing a breakdown of the walls of the conducting vessels.
agriculture environment
Pages
67
Published in
Sri Lanka
SARF Document ID
sarf.120021
Segment Pages Author Actions
Frontmatter
i-ii unknown view
Editorial
339-340 unknown view
Some Notes on the Paddy Fly in Ceylon
341-346 J. C. Hutson view
Some Diseases of Plantains in Ceylon
347-353 unknown view
Tenancy System in the Batticaloa District
354-355 C. Ragunathan view
Live-Stock in Ceylon
356-367 M. Crawford view
A Plea for Pastures and their Improvement
368-374 Emil Livera view
Cotton Cultivation in the Hambantota District
375-384 W. R. C. Paul view
Agricultural Instruction in Rural Schools
385-391 J. C. Drieberg view
Tobacco Cultivation with Special Reference to the Hiriyala Hath Pattu in the North-Western Province
392-400 Henry Mel view
Close of Conference
401-401 unknown view
Animal Disease Return for the Month Ended 30th November 1930
402-402 unknown view
Meteorological Report November 1930
403-403 unknown view

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