Horticultural College and Research Institute

Fruit, India

Horticultural College and Research Institute

Fruit, India
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Theurl M.C.,Institute of Organic Agriculture FiBL | Theurl M.C.,Klagenfurt University | Hortenhuber S.J.,Institute of Organic Agriculture FiBL | Hortenhuber S.J.,University of Natural Resources and Life Sciences, Vienna | And 3 more authors.
Journal of Cleaner Production | Year: 2017

The adaption of historic European cultivation techniques for unheated winter vegetable production has gained momentum during the last years in Austria. Studies that evaluate ecological and socio-economic sustainability-factors of these production techniques are scarce. In this study, we analyze the greenhouse gas emissions along vegetable supply chains based on a life cycle approach and investigate factors of the socio-economic system towards future market diffusion of these new-old technologies based on the Sustainability Assessment of Food and Agriculture Systems (SAFA) guidelines of the Food and Agriculture Organization (FAO). Data of the supply-chains of lettuce, spinach, scallions and red radish was collected from field trials in different climatic regions in Austria and compared to existing commercial systems in Austria and Italy. The results show, that unheated winter vegetable production is feasible. Greenhouse gas emissions of unheated vegetables are lower with 0.06–0.12 kg CO2 equivalent versus 0.61–0.64 kg CO2 equivalent per kg fresh product crops from heated systems. Due to small packaging units unheated vegetables show maxima of 0.58 kg CO2 equivalent per kg product. Heated products were outreached by two times when individual shopping trips to the farm were taken into account. Keeping salad frost-free was not found to contribute to a reduction of greenhouse gas emissions compared to conventional systems. The analysis reveals that a diffusion of unheated winter harvest systems depend primarily on 11 interdepending socio-economic factors. An innovative subsidy system and the creation of a positive image of winter harvest from unheated vegetables production together with an increased utilization rate of polytunnel areas and the consultancy for producers and processors are the most influential factors towards a sustainable market diffusion of winter harvest produce. © 2017 The Authors


Chandramouli B.,Horticultural College and Research Institute | Shrihari D.,U S WEST | Dorajee Rao A.V.D.,Horticultural College and Research Institute | Paratpara Rao M.,Horticultural College and Research Institute
Plant Archives | Year: 2016

Thirty okra genotypes (includes two checks) were evaluated for yield and yield attributing traits. In the present study, wide variability was recorded for fruit yield per plant (g), fruit yield per plot (kg) and YVMV infestation (%) indicating the existence of more variability for these traits among the genotypes under study as they have high PCV and high GCV. High heritability coupled with high genetic advance as per cent of mean indicates the operation of additive gene action as in case of number of primary branches per plant, nodes on main stem, intermodal length, leaf area, number of fruits per plant, fruit girth, fruit yield per plant, fruit yield per plot and YVMV infestation (%). Hence, direct selection based on these traits in genetically diverse material could be effective for desired improvement. Moderate genetic advance as per cent of mean with high or moderate heritability indicates the action of both additive and non-additive genes as in case of petiole length, fruit length and fruit weight. Hence, direct selection has limited scope for further improvement of these traits.


Mini M.L.,Agricultural College and Research Institute | Sankaranarayanan R.,Horticultural College and Research Institute
Journal of Chemical and Pharmaceutical Research | Year: 2013

Saraca indica auct, non Linn commonly called as "Ashoka" is a vulnerable species, becoming rarer in its natural habitat. Callus culture was initiated from leaf, stem and flower bud explants of Saraca indica using Murashige and Skoog (1962) basal medium containing 3% sucrose and 0.8% agar supplemented with different concentrations (2, 3, 4 and 5 mgL-1) of 2,4-Dichlorophenoxy acetic acid (2,4-D). Leaf and stem explants produced 100 percent callusing in all the concentrations tried, whereas poor callusing response was observed with flower bud explant. Leaf explant was chosen for a detailed callus induction study with different concentrations and combinations of auxins 2,4-D and naphthalene acetic acid (NAA). Among the different treatments, leaf explant showed optimum callusing in cultures supplemented with 3 mgL-1 of 2,4-D alone. Treatments with NAA alone showed very poor callusing response. When combinations of 2,4-D (3 to 5 mgL-1) and NAA (3 to 5 mgL-1) were used, root formation was induced along with callusing. The fresh calli produced in all the treatments were white and hard which turned brown after two weeks.


Johnson I.,Tamil Nadu Agricultural University | Ramjegathesh R.,Coconut Research Station | Sheela J.,Horticultural College and Research Institute | Shoba N.,Coconut Research Station | Maheshwarappa H.P.,Project Co ordinator AICRP on Palms
Acta Phytopathologica et Entomologica Hungarica | Year: 2017

The leaf blight disease caused by Lasiodiplodia theobromae is an important foliar disease in coconut that results in a yield reduction of 10-24 per cent in Tamil Nadu, India. In the present study, five Trichoderma viride isolates, Pseudomonas fluorescens and Bacillus subtilis strains were isolated from the coconut rhizosphere and tested against L. theobromae. P. fluorescens Pf1, B. subtilis (Km1) and T. viride (TNAU) isolates were found highly effective against the leaf blight pathogen under in vitro conditions and hence, all the three antagonists were combined together to develop microbial consortia and tested against leaf blight disease under field conditions. Soil application of microbial consortia formulated using talc as a carrier material at 150 g (50 g each) and 300 g (100 g each) doses at different intervals (quarterly, half-yearly and annually) was eval - uated for three years from 2011 to 2013. Among the treatments, the fungicide carbendazim was found to be the most effective against coconut leaf blight. Among the treatments with bioagents, soil application of microbial consortia @ 300 g+5 kg of farm yard manure at quarterly interval/palm/year was the best treatment which was followed by the treatment with TNAU Bacillus subtilis (Bs1) mixture in two locations. Confirmatory results were obtained in similar experiments carried out at two different locations during 2013-2014, too. © 2017 Akadémiai Kiadó, Budapest.


Thirugnanavel A.,ICAR Research Complex for NEH Region | Balamohan T.N.,Horticultural College and Research Institute | Karunakaran G.,Central Horticultural Experimental Station | Manoranjitham S.K.,TNAU
Indian Journal of Agricultural Sciences | Year: 2015

The field experiment was conducted during 2008 - 2010 to study the effect of papaya ringspot virus - type P on growth, yield, and quality of papaya (Carica papaya L.) varieties under PRSV infected conditions at Tamil Nadu Agricultural University, Coimbatore. Significant variation was observed for disease score, DAS-ELISA, tree growth, fruit parameters, yield, and quality characters among the varieties evaluated. The results revealed that all the papaya varieties tested were ELISA positive and PRSV adversely affected the growth, yield and quality of papaya varieties. Among the cultivars evaluated, CP 50 performed better even under PRSV infected conditions and recorded the lowest disease score (1.9), ELISA value (0.198), highest plant height (255.60 cm), stem girth (41.76 cm), number of leaves (41.78), maximum yield (29.26 fruits/plant), dry papain production (8.3 g dry papain/fruit) and tyrosine unit (139.2).


Govindan K.,Horticultural College and Research Institute | Nelson S.J.,Agricultural College and Research Institute | David P.M.M.,Agricultural College and Research Institute
Journal of Biopesticides | Year: 2010

Piper nigrum L. seed is well known for its insecticidal properties against storage pests. P. nigrum dust formulation (Pn10D) was prepared by mixing pulverized seed powder of P. nigrum (10%) and fly ash (90%). Pn10D was tested against pulse beetle Callosobruchus maculatus (F.) Pn10D at 4.00 percent caused cent percent mortality of C. maculatus after 72 hr after the treatment. Pn10D 4.00 percent was most effective in reducing the oviposition. Egg hatchability of C. maculatus ranged between 57.12 (Pn10D 2.00 %) and 73.73% (Pn10D1.00 %). Only 7.00 beetles emerged from the seeds treated with Pn10D 4.00 per cent. Seed weight loss was 0.35 percent in Pn10D 4.00 and 3.50 percent. Germination ranged between 57.33 (Pn10D 0.50 %) and 93.33 percent (Pn10D 4.00 %). © JBiopest.


Suchindra R.,Horticultural College and Research Institute | Sankaranarayanan R.,Horticultural College and Research Institute | Nainar P.,Horticultural College and Research Institute
Plant Archives | Year: 2012

An e×periment was conducted to evaluate the tomato hybrids under four growing environments for quality characters. The results showed that the hybrid Athyla grown under open condition (T4) recorded ma×imum total soluble solids (4.120 bri×), ascorbic acid (37.24 mg/100 g) and acidity (0.90%) during season II. However, the lycopene content (47.32 mg/100 g) was at the highest in the fruit of hybrid Valiente raised under shade net house (T 3) during season I.


Suchindra R.,Horticultural College and Research Institute | Sankaranarayanan R.,Horticultural College and Research Institute | Nainar P.,Horticultural College and Research Institute
Plant Archives | Year: 2012

An e×periment was under taken to study the influence of four growing environments viz., screen house, glass house, shade net house and open condition on various yield characters and to find out a suitable environment for two tomato hybrids viz., Athyla and Valiente. The results showed that among the four growing environments shade net house performed good for the hybrid Valiente recorded ma×imum plant height (2.04 m), number of fruits per cluster (4.28), higher fruit setting rate (83.08 per cent), ma×imum yield per plant (2.03 kg) and single fruit weight (87.50 g) during season I.


Priyanka N.,Horticultural College and Research Institute | Dorajeerao A.V.D.,Horticultural College and Research Institute | Sudhavani V.,Horticultural College and Research Institute
Plant Archives | Year: 2015

The present study was conducted during the year 2014-15 at HCRI, Venkataramannagudem. The juices used in the study were those obtained from mango, grapes and pineapple blended in different proportions with jamun juice. These juice blends were utilized for the preparation of RTS and were evaluated for their quality throughout the acceptable period of storage. Colour, TSS, acidity, pH, reducing sugars, non-reducing sugars total sugars and overall acceptability were observed throughout the storage period. The optical density of the beverages, acidity, reducing sugars and total sugars increased continuously during storage period, while pH, non-reducing sugars decreased during the storage period. The decrease in organoleptic acceptability was due to the change in the composition of these parameters. The RTS prepared from 75% of jamun juice blended with 25% grape juice had highest overall acceptability among all the combinations. However, all these RTS beverages were acceptable up to 90 days of storage period.


Priyanka N.,Horticultural College and Research Institute | Dorajeerao A.V.D.,Horticultural College and Research Institute | Sudhavani V.,Horticultural College and Research Institute | Umakrishna K.,Horticultural College and Research Institute
Plant Archives | Year: 2015

A post harvest study was conducted at Horticultural College and Research Institute, Venkataramannagudem in order to find out best proportion of jamun based blends with mango, grapes and pineapple to preserve in the form of squash beverages. The blended squash beverages of jamun with mango, pineapple and grapes were analysed for phsico-chemical composition and sensory quality at monthly interval for four months of storage. The density, TSS, total sugars and acidity were found to have increased during the storage. The pH, anthocyanin, ascorbic acid content and the organoleptic scores for taste and flavour were decreased sturdily and significantly. Among all the treatments the highest overall acceptability was achieved by the squash prepared from 75% jamun juice blended with 25% grape juice with having 1.186 g cm-3 of density, 4.35 of pH, 46.37 °B of TSS, 37.62% of total sugars, 0.92% of acidity and 17.58 mg/100 ml of ascorbic acid content. The various physicochemical and sensory parameters obtained during the course of investigation and the data obtained along with relevant discussion are presented in the full text of this paper.

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