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Parasuraman, P.
- Effect of Foliar Spray of Growth Regulators With Nutrients on Yield Variation in Varagu Under Rainfed Condition
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Authors
K. Ananthi
1,
P. Parasuraman
1
Affiliations
1 Centre of Excellence in Millets, Athiyandal (T.N.), IN
1 Centre of Excellence in Millets, Athiyandal (T.N.), IN
Source
International Journal of Agricultural Sciences, Vol 14, No 2 (2018), Pagination: 344-347Abstract
A study was conducted in the Centre of Excellence in millets, Athiyandal, Tiruvannamalai district during Kharif’ (September, 2015-January, 2016). Scarcity of water is a severe environmental constraint to plant productivity. Millets are small-seeded grasses that are hardy and grow well in dry zones as rain-fed crops, under marginal conditions of soil fertility and moisture. This is important in heavily populated areas. The experiment was conducted by adopting Randomized Block Design with three replications. The morpho and physiological effects were positively correlated with yield components in varagu under rainfed condition. Growth regulator and nutrient spray on the crop growth period had significant influence on the plant height, relative water content, number leaves and yield component of the plant under rainfed condition.Keywords
Growth Regulator, Plant Height, No. of Leaves, RWC (%), Yield, Water Stress.
References
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- Effect of Panchagavya foliar Spray on the Plant Metabolism and Grain Yield of Tenai Under Rainfed Condition
Abstract Views :428 |
PDF Views:0
Authors
K. Ananthi
1,
P. Parasuraman
1
Affiliations
1 Department of Crop Physiology, Centre of Excellence in Millets, Athiyandal, Tiruvannamalai (T.N.), IN
1 Department of Crop Physiology, Centre of Excellence in Millets, Athiyandal, Tiruvannamalai (T.N.), IN
Source
International Journal of Agricultural Sciences, Vol 16, No 2 (2020), Pagination: 260-264Abstract
The crop growth and development are constantly influenced by environmental conditions such as stresses which are the most important yield reducing factors in the world. Millets cultivation is the most important agricultural operation in the country, not only in terms of food security, but also in creating better livelihoods, opportunities for rural population. Water stress and other abiotic stresses can dramatically limit and reduce the plant growth and productivity. In the frame of physiological window, mild drought induces regulation of water loss and uptake in plants allowing maintenance of their leaf relative water content within the limits where the photosynthetic capacity shows no or little changes. But severe drought induces unfavourable changes in plants, leading to inhibition of photosynthesis and growth. The use of bioregulators is the quickest and surest way of boosting crop production under rainfed condition. Panchagavya is an organic product blended from five different cow products, commonly applied to crop plants in organic farming. It is used as foliar spray, soil application and seed treatment. It can act as growth promoter and immunity booster. The organic Panchagavya foliar spray significantly influenced various physiological and biochemical parameters. A field experiment was conducted at Centre of Excellence in Millets, Athiyandal, Tiruvannamalai, during Kharif, 2017 to study the effect of Panchagavya foliar spray for enhancing the productivity of tenai under rainfed situation. In a water shortage conditions, application of enriched FYM +Recommended dose of fertilizer + 3%Panchagavya foliar spray improves plant height, no. of tillers per plant, total dry matter partitioning, SPAD chlorophyll content and highest grain yield (1739.0 kg ha-1) of tenai under rainfed condition.Keywords
Bioregulators, Panchagavya, Plant Height, No. of Productive Tillers, SPAD Chlorophyll, TDMA, Yield.References
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