Browsing by Author "R., Pushpa"

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    Chromium (Cr) phyto-toxicity effect of Horse gram (Dolichos biflorus L.)
    (African Science Publications, 2020-07-09) K., Palanisamy; R., Pushpa; M., Lenin
    In recent years, Heavy Metals (HMs) pollution has become a serious problem all over the world as these (HMs) continue in the soil for longer period due to their non-biodegradability. The chromium (Cr) is one of the nonessential heavy metal that makes highly toxicity in the plants as well as soil. Cr is one such nutrient required for sugar and fat metabolism in humans, whereas the role of Cr in plant growth and its uptake pathway are not yet fully understood. The pot experiments were carried out of the Horse gram (Dolichos biflorus L.) seeds were raised in pots, the pots containing 2.5 kg of soil with adding different levels of Cr (control, 2, 4, 6, 8 and 10 mg/kg soil). Three replicates were maintained for each level. Morphological parameters like root and shoot length, total leaf area and fresh and dry weights and pigment content and biochemical estimation were recorded in 60th DAS of plants. From the results was concluded that the 2 mg kg-1 level of Cr in the soil was beneficial for the growth of Horse gram. The level of Cr in the soil above 2 mg kg-1 proved to be toxic effects. The results indicated that the 2 mg kg-1 Cr level can be increasing the growth of Horse gram.
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    Effects of microbial-fertilizers on the morphological parameters and biochemical content of Cow pea Vigna unguiculata (L.) Walp. – A biotechnological approach
    (African Science Publications, 2021-01-01) R., Pushpa; K., Palanisamy; M., Lenin
    The use of chemical fertilizers and agrochemicals has dangerous effects on both environment and human health. Frequently used chemical fertilizers to increase crop yields and reload soil nutrients have been extinguished by the soil for many years resulting in severe soil microbial communities with serious health and environmental risks. They pollute cultivated land and accumulate in the foodwebs and infect humanity. One of these strategies is based on the use of microbial fertilizers resulting in the field test to solve problems. For this reason in this field experiment was performed with an objective to assess the effects of different microbial fertilizers on preference parameters of cow pea Vigna unguiculata (L.) Walp. The trial was carried out under the following scheme T1 – Control, T2 – Vermicompost (VC), T3 – Rhizobium, T4 – AMF , T5 – Rhizobium + VC , T6 – VC + AMF, T7 – Rhizobium + VC + AMF application. There is an end to the use of single and combination of microbial fertilizers gave the energetic expressed as shoot and root length, number of leaves, total leaf area, fresh and dry weight, as well as the chlorophylls, carotinoid, protein aminoacid and carbohydrates of cow pea seedlings. Increasing among the parameters led to a better positive result of the composition of the microbial fertilizers leading to the efficient action of the morphological and all biochemical mechanisms.