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Cotton Varieties, MARVI




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    MARVI

    Type: Upland. Tetraploid (Gossypium hirsutum). Medium staple.

    Parentage: Qalandari x 9L 34 ICCC (1981).

    Check: NIAB 78

    Breeders: Soomro, A.R., et al.

    Centre: Cotton Research Institute (PCCC), Sakrand.

    MARVI

    Type: Upland. Tetraploid (Gossypium hirsutum). Medium staple.

    Parentage: Qalandari x 9L 34 ICCC (1981).

    Check: NIAB 78

    Breeders: Soomro, A.R., et al.

    Centre: Cotton Research Institute (PCCC), Sakrand.

    Maintainer: CRI, Sakrand.

    Status: Released, 2001 (Sindh). Registered 2003.

    Growth habit: Semi spreading, medium early in maturity (180-220 days), stem-tip-hairiness medium, pigmentation medium. Lodge resistant.

    Height and branching: Medium height (110-130 cm), nodes to first fruiting branch 4-7, monopodia 0-3, sympodia 15-20, short to medium, semi-erect.

    Foliage: Foliage medium, green, medium hairy, and nectaried, leaf length 18.5, width 18.0, stalk 17.5 cm.

    Flower: Flowering medium early and of medium duration. Flower medium, nectaried, creamy, with intermediate calyx, pollen creamy, stamen medium dense, and semi-erect, stigma height medium (15-20 mm) with medium exsertion (4-6 mm).

    Boll: Size medium, 4-5 locked, round, wide at lower mid, beak very short, finely pitted and gossypol normal, opening good. Bolls/plant 20-25, boll weight 3.0 g, length 3.5, width 3.0, peduncle 1.5 cm, bracteole normal.

    Yield kg/ha: Seed cotton 2500.0

    Fiber: GOT 34.5%, Staple length 26.5 mm, Micronaire 3.9, Strength 96.0 tppsi, Uniformity 47.6%.

    Seed: Seed Index 7.5 g, size medium, length 8.0, width 5.0 mm, oil 20.5 %. Seeds fuzzy, grayish white.

    Leaf curl virus (CLCV): Susceptible.

    Variants: Habit varies with space, sowing and stem damage.

    Leading characters: Marvi heat tolerant, medium tall growing variety with medium green, medium dense foliage, flower nectaried and pollen color creamy, boll round with very short beak and medium early in maturity, opening good. Seed fuzzy, grayish white.

     

    Reference : COTTON VARIETIES OF PAKISTAN
    by Dr. Akhlaq Hussain, Muhammad Ibrahim, Munir Ahmed Naz

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