Effects of seeding rate and date and phosphorus application on growth and yield of narbon vetch ( Vicia narbonensis )

Cogent Food & Agriculture

et al. 2015

Fenugreek (Trigonella foenum-graecum L.) is an antidiabetic plant. Its bioactive compound, trigonelline, is known to counter diabetes through insulin secretion, modulation of β cell regeneration and quick activity of glucose metabolism related enzymes. A pot experiment was conducted in the natural conditions of net house of the Department of Botany, Aligarh Muslim University, Aligarh (UP), India, to evaluate the effect of four concentrations of GA 3 (0, 10 −7 M, 10 −6 M and 10 −5 M), alone and in combination with phosphorus (40 kg P ha −1 ), on growth, biochemical and yield attributes of fenugreek. Compared to control, the combination of GA 3 and phosphorus (P40 + 10 −6 M GA3) significantly increased the activities of nitrate reductase (30.8%) and carbonic anhydrase (30.7%) enzymes; it also enhanced the seed yield (140.6%) and the content of total chlorophyll (28.5%) and carotenoids (26%). There was also significant increase (19.51%) in the content of seed trigonelline.

Section: Discussionmentioning

confidence: 99%

Cumulative effect of gibberellic acid and phosphorus on crop productivity, biochemical activities and trigonelline production in Trigonella foenum-graecum L.

Dar

Uddin

Cogent Food & Agriculture

et al. 2015

“…The enhanced values of yield attributes with phosphorus fertilization is not surprising as phosphorus is important for root development, energy translocation and other metabolic processes of plants (Marschner 2002). The optimum supply of phosphorus in the early stage of plant growth is expected to cause rapid cell division and cell elongation in the meristematic regions, leading to the full development of seeds and increased seed yield (Spencer and Chan 1991;Turk et al 2003).…”

Section: Discussionmentioning

confidence: 99%

Phosphorus ameliorates crop productivity, photosynthesis, nitrate reductase activity and nutrient accumulation in coffee senna (Senna occidentalisL.) under phosphorus-deficient soil

Naeem

Journal of Plant Interactions

2009

Coffee senna (Senna occidentalis L.) plants were subjected to five phosphorus levels: 0, 25, 50, 75 and 100 mg P per kg soil (P 0 , P 1 , P 2 , P 3 and P 4 , respectively). A pot culture experiment was conducted in a net house, AMU, Aligarh, India, under phosphorus-deficient soil. The present data indicates that soil-applied phosphorus significantly ameliorates most of the attributes studied. Out of five phosphorus levels, 75 mg P per kg soil (P 3 ) proved best and enhanced fresh and dry weights, total chlorophyll and carotenoid content, nitrate reductase activity and leaf-NPK and Ca content, analyzed at 120, 270 and 300 days after sowing (DAS). The number of pods, seed-yield per plant and seed-protein content (330 DAS) were significantly enhanced by the P 3 level, except the number of seeds per pod, 100-seed weight and total anthraquinone glycosides content, respectively. Transpiration rate, stomatal conductance and net photosynthetic rate were also enhanced by this treatment.

“…In fact, the enhanced values of yield attributes with phosphorus fertilization is not surprising as phosphorus is important for root development, energy translocation and other metabolic processes of plants (Marschner 2002). Furthermore, the optimum supply of phosphorus in the early stage of plant growth is expected to cause rapid cell division and cell elongation in the meristematic regions, leading to full development of seeds and increased seed-yield (Spencer and Chan 1991;Turk et al 2003).…”

Section: Discussionmentioning

confidence: 99%

Promotive effects of phosphorus on crop productivity, enzyme activities, anthraquinone and sennoside content inCassia toraL. – a medicinal herb

Naeem

Masroor

Journal of Plant Interactions

et al. 2009

The plants of Cassia tora L. were grown in pots containing soil, supplied with five levels of phosphorus: 0 (Control), 0.1, 0.2, 0.3 and 0.4 g P per kg soil. The fresh and dry weights, number of leaves and leaf-area per plant were recorded. The leaves were analyzed for inorganic elements, such as nitrogen, phosphorus, potassium and calcium. Physiological and biochemical attributes including chlorophyll and carotenoid content, nitrate reductase activity, carbonic anhydrase activity, net photosynthetic rate, stomatal conductance and transpiration rate were determined. Yield attributes including number of pods, number of seeds per pod, 100-seed weight, and seed-yield per plant were recorded. In addition, protein, total anthraquinone glycosides (in seeds) and total sennoside content (in pods) were also estimated. The results showed that phosphorus at the level of 0.3 g per kg soil proved optimum and significantly enhanced most of the attributes studied.