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This article is a list of diseases of cotton (Gossypium spp.). Bacterial. Bacterial diseases; Bacterial blight of cotton: Xanthomonas citri subsp. malvacearum:
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Approximately 4,600 hectare of this species have been destroyed in Sri Lanka since this first epidemic in 1987. [13] Therefore, this pathogen reduces the yield of natural rubber latex in Asian and African countries especially and is thus a major threat to millions of rubber farmers.
Topographic map of Sri Lanka. Sri Lanka, an island in South Asia shaped as a teardrop or a pear/mango, [167] lies on the Indian Plate, a major tectonic plate that was formerly part of the Indo-Australian Plate. [168] It is in the Indian Ocean southwest of the Bay of Bengal, between latitudes 5° and 10° N, and longitudes 79° and 82° E. [169]
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Dysdercus cingulatus is a species of true bug in the family Pyrrhocoridae, commonly known as the red cotton stainer. [1] It is a serious pest of cotton crops, the adults and older nymphs feeding on the emerging bolls and the cotton seeds as they mature, transmitting cotton-staining fungi as they do so.
Sri Lanka is a tropical island situated close to the southern tip of India. The invertebrate fauna is as large as it is common to other regions of the world. There are about 2 million species of arthropods found in the world, and still it is counting. So many new species are discover up to this time also.
The following is a list of ecoregions in Sri Lanka. Due to High rainfall and even sunlight throughout the year, Sri Lanka exhibits a great variety in ecoregions in all living habitats. Together with Western Ghats, Sri Lanka forms Western Ghats and Sri Lanka hotspot. It is considered one of the eight super-hotspots. [1]