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  • 1
    Online-Ressource
    Online-Ressource
    Defence Scientific Information and Documentation Centre ; 2020
    In:  Defence Life Science Journal Vol. 5, No. 3 ( 2020-07-22), p. 192-197
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 5, No. 3 ( 2020-07-22), p. 192-197
    Kurzfassung: Traditionally cauliflower is not grown during winter months in the trans-Himalayan Ladakh region due to sub-zero degree celsius at night. Accordingly, the feasibility of growing cauliflower, a temperature-sensitive crop, was studied during winter months in a passive solar greenhouse in the high altitude (elevation 3340 m) trans-Himalayan Ladakh region. Studies were conducted during 2017-2020 with three commercial varieties. Curd was formed in all the varieties despite the temperature extremes (0.0±1.6 to 39.5±0.9 ºC) in the greenhouse. Harvesting was done in the month of February. The mean marketable curd weight ranged from 258±113 to 743±62 g depending on variety and year, which suggested that cauliflower can be successfully grown during winter months in the trans-Himalaya. However, the marketable curd weight was significantly lower as compared to the yield potential of the varieties. High temperature inside the greenhouse resulted in the occurrence of fuzziness, and it ranged from 0-35% of the harvested curd depending on the year and variety. Fuzziness was not observed in cv Shentha while 10.4-35% of cv Amazing exhibited fuzziness.
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2020
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Online-Ressource
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    Defence Scientific Information and Documentation Centre ; 2019
    In:  Defence Life Science Journal Vol. 4, No. 2 ( 2019-04-11), p. 103-116
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 4, No. 2 ( 2019-04-11), p. 103-116
    Kurzfassung: The trans-Himalayan Ladakh region remains cut-off for over six months in a year due to heavy snowfall. Availability of locally grown fresh vegetables is restricted to summer months and therefore, there are seasonal differences in dietary intake of food. Passive solar greenhouse has played a significant role not only in production of leafy vegetables in sub-zero temperature during winter months but also helped in extending the growing season in Ladakh. It is now a common practice to raise vegetable nurseries in spring and grow leafy vegetables during winter months in the greenhouse. Each year an average of 733 greenhouses covering 44313.4 m2 area are being established in Leh district. Passive solar greenhouse structures such as Ladakhi greenhouse, trench, polytrench, polyench, polycarbonate, FRP and polynet have been designed and tested in the inhospitable environment of trans–Himalaya. The greenhouse is used mainly during winter, and majority of farmers (91.7 %) do not use the structures in summer. Insect-pest, irrigation in winter and frequent replacement of cladding materials are the major problems being faced by the farmers in the region. There is a need to improvise the greenhouse design to make it economically viable and technologically feasible to grow a variety of crops, especially during winter months.
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2019
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
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    Defence Scientific Information and Documentation Centre ; 2020
    In:  Defence Life Science Journal Vol. 5, No. 4 ( 2020-10-15), p. 292-298
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 5, No. 4 ( 2020-10-15), p. 292-298
    Kurzfassung: Greenhouse experiments were conducted in three seasons (2017-18, 2018-19, 2019-20) to study the feasibility to grow cabbage, a temperature sensitive crop, during freezing winter months at high altitude (elevation 3340 m) trans-Himalayan Ladakh region. Three varieties viz. Golden Acre, Videshi and Megaton were studied under an improvised passive solar greenhouse. Head was formed in all the varieties despite the temperature extremes (0.0±1.6 to 39.5±0.9 ºC) inside the greenhouse. The mean marketable head weight ranged from 428.6±72.1 g to 831.2±193.0 g, depending on the variety. The mean head weight of Golden Acre was 831 g, which is 15-fold higher as compared to that of the crop grown under traditional greenhouse in Ladakh. However, the marketable head weight was lower as compared to the yield potential of the varieties. It took 133-163 days for Golden Acre to reach maturity for harvest as compared to the expected 60-65 days. Dramatic declines in intercellular CO2 concentration, photosynthesis rate and water-use efficiency were observed at 2:00 PM, which indicated that the plants were severely affected by high temperatures inside the greenhouse. High temperature inside the greenhouse resulted in bolting, head-splitting and loose head forming, and it ranged from 8-36% of the crop depending on the year and variety. The study suggested that cabbage can be successfully grown under improvised passive solar greenhouse during severe winter months in the trans-Himalayan Ladakh.
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2020
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
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    Springer Science and Business Media LLC ; 2023
    In:  Proceedings of the National Academy of Sciences, India Section B: Biological Sciences
    In: Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, Springer Science and Business Media LLC
    Materialart: Online-Ressource
    ISSN: 0369-8211 , 2250-1746
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2023
    ZDB Id: 2707745-7
    SSG: 11
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Online-Ressource
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    Defence Scientific Information and Documentation Centre ; 2020
    In:  Defence Life Science Journal Vol. 5, No. 1 ( 2020-02-19), p. 18-24
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 5, No. 1 ( 2020-02-19), p. 18-24
    Kurzfassung: Consumer concern about poor taste of fresh apricots is increasing and knowledge about the more suitable production requirement is essential. Genetic component influencing apricots quality is well known. However, there is limited information on environmental effect on fruit quality. This study aims to evaluate influence of altitude on phenological and fruit quality characters of apricot genotypes. Fruits from 162 genotype were collected from nine locations from 3006-3346 m asl in trans-Himalaya. The altitude had a marked influence on date of flowering, fruit weight, moisture and TSS content. For every 100 m increase in altitude, flowering and fruit ripening delayed by 3.3 and 7.1 day, respectively. Inverse relationship between altitude and fruit weight (R2=0.310) was observed. For every 100 m increase in altitude the fruit weight decrease by 0.5 g. Fruit moisture content decreased significantly with increase in elevation (R2=0.585). Decrease in moisture content was 1.9% for every 100 m increase in elevation. Altitude showed linear relationship with fruit TSS content (R2=0.726). For every 100 m increase in altitude, the fruit TSS increased by 1.2ºBrix. Knowledge from the present study on the impact of altitude on fruit quality characters provides a useful guide for selecting orchard location towards improving fruit quality
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2020
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
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    Springer Science and Business Media LLC ; 2021
    In:  Physiology and Molecular Biology of Plants Vol. 27, No. 7 ( 2021-07), p. 1539-1546
    In: Physiology and Molecular Biology of Plants, Springer Science and Business Media LLC, Vol. 27, No. 7 ( 2021-07), p. 1539-1546
    Materialart: Online-Ressource
    ISSN: 0971-5894 , 0974-0430
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2021
    ZDB Id: 2487126-6
    SSG: 12
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Online-Ressource
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    Defence Scientific Information and Documentation Centre ; 2017
    In:  Defence Life Science Journal Vol. 3, No. 1 ( 2017-12-15), p. 85-
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 3, No. 1 ( 2017-12-15), p. 85-
    Kurzfassung: 〈 p 〉 The high altitude trans-Himalayan Ladakh region remains cut-off for over six months in a year due to heavy snowfall. Long harsh winters reduce the cropping season to just four to five months in a year. Single-cropping is dominant and agriculture production is entirely based on irrigation. The average land holding is small and emphasis has been on minimal use of off-farm inputs. Meeting the fresh vegetable requirement of the burgeoning local population, defence forces and the incoming tourists in this remote mountainous area is a formidable challenge.Very few vegetable types were traditionally grown in Ladakh. Significant progress has been made since 1960s in promoting vegetable cultivation in the region. The vegetable production scenario and consumption choices have undergone drastic changes, compared to what was available some decades back. Agro-techniques and vegetable production calendar in Ladakh differs from lowland parts of the country. Vegetable farms are smaller with an average 0.2 acre. The area of vegetable production constitutes 5.5 per cent of the total 10,319 hectares of agricultural land in Leh district. The widely grown vegetables were potato (75.6 per cent), peas (10.7 per cent), onion (3.4 per cent), cabbage (3.3 per cent), carrot (2.0 per cent) and cauliflower (1.8 per cent). Preference for potato, onion, cabbage and carrot was largely contributed to the desired long term storage capacity for consumption during the landlocked winter months. Supply to the army and tourism industry is the major factor for rapid transformation of vegetable production in the region. Critical areas that need focused attention include technology for vegetable production in winter months, post harvest management, seed production, organic certification, area expansion, harnessing niches and building stronger linkages between growers and consumers. 〈 /p 〉
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2017
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Online-Ressource
    Online-Ressource
    Springer Science and Business Media LLC ; 2019
    In:  Horticulture, Environment, and Biotechnology Vol. 60, No. 4 ( 2019-8), p. 603-610
    In: Horticulture, Environment, and Biotechnology, Springer Science and Business Media LLC, Vol. 60, No. 4 ( 2019-8), p. 603-610
    Materialart: Online-Ressource
    ISSN: 2211-3452 , 2211-3460
    Sprache: Englisch
    Verlag: Springer Science and Business Media LLC
    Publikationsdatum: 2019
    ZDB Id: 2642577-4
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Online-Ressource
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    Defence Scientific Information and Documentation Centre ; 2018
    In:  Defence Life Science Journal Vol. 3, No. 2 ( 2018-03-23), p. 96-
    In: Defence Life Science Journal, Defence Scientific Information and Documentation Centre, Vol. 3, No. 2 ( 2018-03-23), p. 96-
    Kurzfassung: 〈 p 〉 Feasibility of growing muskmelon (Cucumis melo L.), a warm season crop, was studied under a low-input cultivation system in open field condition in high altitude (elevation 3344 m) trans-Himalayan Ladakh region. The marketable yield of five cultivars in different treatments varied from 5.4±0.4 t.ha-1 to 18.8±1.7 t.ha-1 and 4.0±0.2 t.ha-1 to 15.8±1.0 t.ha-1 in 2014 and 2015, respectively. Treatment of black polyethylene mulch (BPM) increased marketable yield by 25 per cent to 155 per cent depending on year and cultivar. The marketable yield of the best performing cultivar (Pusa Madhuras) under BPM was 17.3 t.ha-1, which suggested that muskmelon can successfully be grown in open field condition in trans-Himalaya. The fruit become ready for harvest in mid-August. Number of fruit per plant ranged from 2.3 to 6.3, and TSS ranged from 8.9 to 14.1 °Brix depending on cultivar. Temperature 10 cm beneath the BPM was 2.9±0.4 ºC higher than in bare soil. BPM reduced 74 per cent weed and save 77 per cent time in manual weeding. 〈 /p 〉
    Materialart: Online-Ressource
    ISSN: 2456-0537 , 2456-379X
    Sprache: Unbekannt
    Verlag: Defence Scientific Information and Documentation Centre
    Publikationsdatum: 2018
    Standort Signatur Einschränkungen Verfügbarkeit
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