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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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2012 - 20162
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Subject: Entomology × Author: Jakhar, Pritish × Start date: 2010 ×
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    ThesisItemOpen Access
    Population dynamics and management of major insect pests of chickpea, Cicer arietinum L.
    (CCSHAU, 2016) Jakhar, Pritish; Yogesh Kumar
    The present study was conducted at Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana (India). Normal sown crop, was recorded with less larval/nymphal population of Helicoverpa armigera (126.75 l/mrl), Spodoptera exigua (5.78 l/mrl), Autographa nigrisigna (19.59 l/mrl) and Aphis craccivora (7.40 nymphs/plant) while, 154.70 l/mrl, 5.94 l/mrl, 27.05 l/mrl and 8.15 nymphs/plant, respectively in late sown crop of chickpea. Significantly lower pod damage (52.98%) and higher yield (863.90 kg/ha) was recorded in normal while 68.55% and 505.41 kg/ha, respectively in late sown crop. Significantly positive correlation of maximum and minimum temperature was observed with larval population of H. armigera, S. exigua and A. nigrisigna while, significantly negative with morning and evening relative humidity. The significantly positive correlation was recorded between per cent parasitization and morning relative humidity. Coragen 18.5 SC was found most effective in first and second spray during 2013-14 and 2014-15, against larval/nymphal population of H. armigera, S. exigua, A. nigrisigna and A. craccivora population and it was followed by novaluron 10 EC whereas, quinalphos 25 EC was least effective followed by NSKE 5%. Maximum incremental benefit cost ratio was recorded in deltamethrin 2.8 EC (23.75) and it was followed by thiodicarb 75 WP (12.86) and novaluron 10 EC (12.66) while minimum was recorded in spinosad 45 SC (2.63). The plot treated with coragen 18.5 SC was recorded with minimum pod damage (19.20%) and maximum yield (1294.31 kg/ha) and it was statistically on par with deltamethrin 2.8 EC (23.10% and 1225.69 kg/ha, respectively) and novaluron 10 EC (21.29% and 1255.56 kg/ha, respectively) while quinalphos 25 EC with maximum pod damage (38.21%) and minimum yield (668.75 kg/ha). Maximum per cent of avoidable loss was recorded in HK-1 (76.0%) and followed by HK-2 (72.7 %) while, minimum was in HC-3 (64.7%). In screening of chickpea genotypes, GNG 1581 was recorded with minimum larval/nymphal population of H. armigera (17.99 l/mrl), S. exigua (0.60 l/mrl), A. nigrisigna (1.69 l/mrl) and A. craccivora (1.46 nymphs/plant) and it was statistically on par with H 07-121 genotype. Genotype HK-2 was recorded with maximum larval/nymphal population of H. armigera (28.50 l/mrl), S. exigua (1.65 l/mrl), A. nigrisigna (4.09 l/mrl) and A. craccivora (3.30 nymphs/plant) and it was statistically on par with C-235 and HC-1. Genotypes GNG 1581 and HK-2 were recorded with minimum (33.26%) and maximum (83.30%) pod damage, respectively. H 03-56 had maximum yield (371.67 kg/ha) while, ICCL 86111 had minimum yield (102.50 kg/ha). Relatively resistant genotypes were GNG 1581 and GNG 1488 with minimum PSR (3) whereas HK-2 was susceptible with maximum PSR (7) among the selected genotypes. Significant positive correlation of number pods/plant and number of primary branches was observed with H. armigera, S. exigua, A. nigrisigna and A. craccivora, while, significantly negative with leaf trichomes and plant height. Malic acid had significantly negative correlation with H. armigera, S. exigua, A. nigrisigna and A. craccivora population.
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    ThesisItemOpen Access
    Studies on insect pollinators on seed crop of radish (Raphanus sativus L.)
    (CCSHAU, 2012) Jakhar, Pritish; Yogesh Kumar
    The present study was conducted at Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana (India). A total of 18 insect species visited radish flowers out of which viz. out of which 10 belonged to hymenoptera, 5 to Lepidoptera, and 3 to Dipteran. Among these, Apis mellifera L., A. dorsataF.,A. florea F., A. ceranaF. and syrphid fly were found to be the most frequent pollinators. The abundance of A. mellifera(6.8 bees/m 2 /5 minutes) was highest followed by A. florea (5.1 bees/m 2 /5 minutes), syrphid fly (4.8 flies/m 2 /5 minutes), A. dorsata(3.5 bees/m 2 /5 minutes) and A. cerana(1.4 bees/m 2 /5 minutes). Irrespective of species, the population was maximum (6.5 bees/m 2 /5 minutes) at 1100-1300 h of the day. Foragers of A. mellifera, A. dorsata, A. florea, A. cerana and syrphid fly commenced their activity at 0825, 0800,0835, 0850, and 0840 respectively and ceased their activity at 1810, 1830, 1750, 1730, and 1745, respectively. A. melliferaspent maximum time (8.42 seconds) per flower. However, A. cerana spent least time (7.4 seconds/flower) but visited maximum (10.33) flowers per minute. Based on pollination index, A. melliferawas the most efficient pollinator of R. sativus with pollination index of 2261000 followed by A. dorsatawith pollination index 1570625, A. florea with 459000, A. cerana with 295750 and syrphid fly with 270000 under agro-ecological conditions of Hisar (Haryana). Effect of different modes of pollination on yield and seed quality parameters of radish showed that number of siliqua/plant, siliqua length (cm), number of seeds/siliqua, seedling length (cm), seed vigour-I, seed vigour-II, test weight (g), dry seedling weight (g) and germination (%) was significantly higher under open-pollination (5.2, 1076.1, 6.8, 35.8, 3462.7, 11.5, 11.6, 0.118 and 96.7, respectively) as compared to under without insect pollination (3.4, 430.5 3.3, 14.4, 1378.1, 5.9, 7.2, 0.091 and 65.3, respectively).