cover image: The Tropical Agriculturist. The Agricultural Journal of Ceylon  March  1938

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The Tropical Agriculturist. The Agricultural Journal of Ceylon March 1938

1938

The disease has been present in the Island for a long time ; before the country became conscious of the danger it had established itself very securely not only in the citrus trees that"126 grow in a state of semi-cultivation in village gardens but also in the many species of citrus and other members of the Rutaceae family present in great abundance in the jungles throughout the Island ; the popul [...] The susceptibility of the former is important since there has been a marked extension in the cultivation of grapefruit in recent years ; and the susceptibility of the latter is important in that isolated lime trees are present in a large proportion of the village gardens throughout the Island most of them being attacked to a greater or lesser extent by the disease. [...] Turning to the other end of the scale the mandarin orange the sweet orange and the lemon are resistant to the disease. [...] To summarize the control of citrus canker in young orchards consists of the planting of windbreaks the regular picking and burning of diseased leaves and the regular spraying of the - of young developing foliage. [...] The general indications of the geology of the area the depth lateritic nature and poor organic and mineral nutrient content of the soil strongly suggest that the soil is a typical wind-borne Pleistocene red earth from the hills to which the geologist Wayland refers in his paper on the stone Ages of Ceylon (4).
agriculture environment
Pages
65
Published in
Sri Lanka
SARF Document ID
sarf.120021
Segment Pages Author Actions
Frontmatter
i-i unknown view
Pests and Diseases of Plants
125-126 unknown view
Citrus Canker and its Control
127-135 unknown view
Studies on Ceylon Soils
136-141 unknown view
Preparation of Land Transplanting and After-Cultivation of Cigarette Tobacco
142-145 A.B. Attygalle view
Co-Operative Egg-Marketing In South India
146-148 unknown view
Soil Survey Work in Ceylon
149-152 unknown view
Agricultural Education At Peradeniya
153-157 C.N.E.J Mel view
Soil Erosion
158-161 W.C. Smith view
The Cultivation of Pyrethrum in Japan
162-172 unknown view
Science and Practice of Agriculture in India
173-179 unknown view
Minutes of the Forty-first Meeting of the Rubber Research Board (Ceylon)
180-182 unknown view
Review
183-185 unknown view
Animal Disease Return for the Month Ended February 1938
186-186 unknown view
Meteorological Report February 1938
187-187 unknown view

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