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Chaudhary Charan Singh Haryana Agricultural University, Hisar

Chaudhary Charan Singh Haryana Agricultural University popularly known as HAU, is one of Asia's biggest agricultural universities, located at Hisar in the Indian state of Haryana. It is named after India's seventh Prime Minister, Chaudhary Charan Singh. It is a leader in agricultural research in India and contributed significantly to Green Revolution and White Revolution in India in the 1960s and 70s. It has a very large campus and has several research centres throughout the state. It won the Indian Council of Agricultural Research's Award for the Best Institute in 1997. HAU was initially a campus of Punjab Agricultural University, Ludhiana. After the formation of Haryana in 1966, it became an autonomous institution on February 2, 1970 through a Presidential Ordinance, later ratified as Haryana and Punjab Agricultural Universities Act, 1970, passed by the Lok Sabha on March 29, 1970. A. L. Fletcher, the first Vice-Chancellor of the university, was instrumental in its initial growth.

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Author: Khanduri, Shruti × End date: 2014 × Type: Thesis ×
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    ThesisItemOpen Access
    Studies On Physiological And Biochemical Aspects Of Seed Priming In Onion (Allium Cepa L.)
    (Chaudhary Charan Singh Haryana Agricultural University, Department Of Seed Science And technology : Hisar, 2010) Khanduri, Shruti; Kharb, R. P. S.
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    ThesisItemOpen Access
    Studies On Physiological And Biochemical Aspects Of Seed Priming In Onion (Allium Cepa L.)
    (Chaudhary Charan Singh Haryana Agricultural University; Hisar, 2010) Khanduri, Shruti; Kharb, R P S
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    ThesisItemOpen Access
    Studies on physiological and biochemical aspects of seed priming in onion (Allium cepa L.)
    (CCSHAU, 2010) Khanduri, Shruti; Kharb, R.P.S.
    The present investigation was carried out at the department of Seed Science and Technology, CCS Haryana Agricultural University, Hisar. The seed material comprised of two lots (L1 and L2) of each of two onion varieties (Hisar-2 and Hisar Onion-3). The seed of each variety lot combination was treated with eight priming treatments (T1 to T8) and control (T0) was kept for comparison. The treated seed after shade drying was stored in polythene bags (700 guage) for one year under ambient storage conditions. The observations were recorded quarterly on various physiological and biochemical parameters. The relative storability was assessed by ‘AA’ and EC tests. The results revealed that among various priming treatments, the treatments T2 (GA3, 50 ppm), T3 (GA3, 100 ppm) and T7 (Azotobacter) were found most effective and enhanced the germination (upto 21.33%) and total seedling emergence (upto 27.00%) substantially over control in marginal seed lots of both the varieties. However, the treatment T5 (0.5% KNO3) reduced the germination and seedling emergence potential considerably over control. Hence, this treatments can not be suggested for priming the onion seed. Among the biochemical parameters the activities of catalasee and dehydrogenase enzyme substantially increased over control after priming. These enzymes played a crucial role in metabolic process for enhancement of germination and seedling emergence potential. Significant association of all the parameters studied except peroxidase enzyme with total seedling emergence showed that these parameters can be used as predictors of seedling establishment after priming. The priming treatments can be categorized in to three groups i.e. Group I (fully effective), Group II (partially effective) Group III (non effective). A decreasing trend in germination and vigour level was observed in all the treatment at different stages of storage. Among priming treatments T2 & T3 (seeds treated with gibberellin, GA3) were also found most effective for enhancing the storability of different seed lots as these treatments maintained the highest germination successfully (above 60%) after accelerated ageing and recorded EC values below 0.4 S/cm till the end of the storage. There was a very little change in protein macromolecules was noticed, however, no change was observed in banding pattern of different isozymes (CAT, POD, SOD) even after twelve months of storage. The priming technology was found effective and beneficial for enhancing the quality of onion seed.