Ecology of Cenchrus Grass Complex: Environmental Conditions and Population Differences in Western India
Satish Chandra Pandeya, Helmut Lieth
Kluwer Academic, Jan 1, 1993 - Nature - 234 pages
The two excellent fodder grass species of genus Cenchrus - C. ciliaris (Cc) and C. Setigerus (Cs) - are inhabitant of drier sandy areas throughout Africa, the Canary Island, Madagascar and eastwards to India, they mostly occur in western parts, including the Great Indian Desert. Small patches of the two grass species also occur in semi-arid tracts of southern India. In its area of distribution, the two species exhibit high degrees of morphological and physiological distinctions warranting population differences. Extensive surveys and intensive studies established 25 ecotypes of grass Cc and 9 of grass Cs in western India. The population differences lie in morphological, physiological and cytological aspects. Mathematical approach has confirmed the distinction.
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CLIMATE AND WATER RESOURCES
POPULATION DIFFERENCES IN Cenchrus ciliaris AND Cenchrus
CLIMATIC FACTORS IN THE DISTRIBUTION OF Cenchrus ciliaris
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11 ecotypes aboveground Agra Ahmedabad alluvium analysis annual apomictic apomixis Aravalli arid August belowground Bikaner biomass brown Dark cent at depth ciliaris RM clay climate correlation decrease desert dunes ecoclimate ecoclimatic ecotypes edaphic evapotranspiration field capacity germination glumes grass grayish brown grazing land exclosure Gujarat higher highest HUE 10 YR humidity India Jaisalmer Jodhpur July Khirasara Kola Kota layer litter localities monsoon months morphological characters net primary production October old alluvium Pandeya percentage period phytomass plains plant populations potential Pradesh primary production PTC campus rainfall Rajasthan Rajkot recorded region river sand Saurashtra season seeds semi-arid September 1972 setigerus Soil depths soil moisture Soil physical soil water south-west species spikelets standing dead material studies Table temperature three depths tion Uttar Pradesh values variables variations varies Vasad Vijapur water holding capacity water surplus western India wind