Phosphorus Efficiency of Pigeonpea
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An experiment was conducted with six pigeonpea genotypes namely Paras, ICPL-88039, H2000-37, H2000-47, H2001-4,and H2001-37, at different levels of phosphorus i.e. 15%, 30%, 60% and 100% in pot culture house. Various parameters like fresh and dry weight of root and shoot, leaf area, photosynthetic rate, total chlorophyll content, total phosphorus content of root and shoot, total nitrogen content of root and shoot, fresh weight of nodules, leghaemoglobin content, acetylene reduction activity, yield and its attributing characters were analysed at three sampling stages i.e. 45, 75 & 110 days afte...
An experiment was conducted with six pigeonpea genotypes namely Paras, ICPL-88039, H2000-37, H2000-47, H2001-4,and H2001-37, at different levels of phosphorus i.e. 15%, 30%, 60% and 100% in pot culture house. Various parameters like fresh and dry weight of root and shoot, leaf area, photosynthetic rate, total chlorophyll content, total phosphorus content of root and shoot, total nitrogen content of root and shoot, fresh weight of nodules, leghaemoglobin content, acetylene reduction activity, yield and its attributing characters were analysed at three sampling stages i.e. 45, 75 & 110 days after sowing. Another experiment was conducted in laboratory with four pigeonpea genotypes i.e. H2001-37, Paras, H2000-37 and ICPL-88039 with same treatments of phosphorus. However, the parameters studied were root length, number of root hairs, root-shoot ratio and alkaline phosphatase activity only 10 days after sowing
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