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9 results

  1. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 140, PPOST8

    Bio-intensive integrated management of budworm, Helicoverpa armigera in FCV tobacco

    SITARAMAIAH S.; GUNNESWARA RAO S.; RAMAPRASAD G.; SREEDHAR U.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Tobacco budworm, Helicoverpa armigera , is one of the limiting factors in successful production of Flue Cured Virginia (FCV) tobacco in Andhra Pradesh, India. It infests the crop during the grand growth period and inflicts severe damage to the bud...
  2. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 142, PPOST01

    Performance of new varieties of FCV tobacco in Northern light soils of Andhra Pradesh and Karnataka light soils

    NAGARAJAN K.; SUBRAMANYA K.N.; SWAMY A.V.S.R.; PRASANNASIMHA RAO G.S.B.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Among the different zones where FCV tobacco is grown in India, Northern light soils of Andhra Pradesh, where the crop is grown in light sandy soils under irrigation and Karnataka light soils, where the crop is grown under monsoon conditions, are...
  3. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 84, APOST11

    Alternative covers for plant production in outdoor float beds

    NAGARAJAN K.; PRASSAD RAO J.A.V.; PRASANNASIMLA RAO G.S.B.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Techniques for the successful production of tobacco transplants by direct seeding in outdoor float beds have been developed at the University of Tennessee. Germination rates of 90-94 % and plant usability rates of 78-90% have been obtained over a...
  4. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 135, APOST9, ISSN.0525-6240

    Genetic variability in particulate matter index in some tobacco genotypes available in india

    KAMESWARA RAO B.V.; SEETHA RAMACHARY T.; RAMANA RAO V.V.; PRASANNA SIMHARAO G.S.B.; CHARI M.S.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Particulate Matter Index (PMI), as estimated on John Payne tar predictor, offers a simple, quicker and reliable relative evaluation of predicted tar yields from cigarettes made from different tobacco genotypes. One of the promising approaches for...
  5. Bull. Spec. CORESTA Congress, Jerez de la Frontera, 1992, p. 170, PPOST8, ISSN.0525-6240

    Screening germplasm resistance of tobacco to Phytophthora parasitica f. nicotianae causing black shank disease

    REDDY T.S.N.; NAGARAJAN K.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Black shank (Phytophthora parasitica f. nicotianae) is a serious fungal disease in most of the tobacco growing tracts in India. The predominant race of the fungus in Andhra Pradesh is race O. In order to identify resistant/tolerant donors to this...