Tropical Plant Research
An International Journal by Society for Tropical Plant Research
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2017, VOLUME 4 ISSUE 3Pages: 449-455
Interaction of a fly ash and root-knot nematode pathogens on Pumpkin (Cucurbita moschata Duch. ex Lam.)
Gufran Ahmad, Abrar Ahmad Khan and Safiuddin Ansari*
*Department of Botany, Aligarh Muslim University, Aligarh-202002, Uttar Pradesh, India
Abstract:
In the present investigation it was tried to find out the interactive effect of various level of fly ash (abiotic) and root-knot nematode, Meloidogyne incognita (biotic) on plant growth, yield and some biochemical contents in pumpkin (Cucurbita moschata). The experiments were conducted in pots with different level of fly ash and soil mixture in the green house at Department of Botany, Aligarh Muslim University, Aligarh, India. Seeds of pumpkin (F1 hybrid-Nutan) were grown in pots filled with different level of fly ash (5, 10, 20, 30, 40 and 50%). At four leaves stage, seedlings were inoculated with 2000 larvae (J2 stage) of M. incognita. Plants grown in soil (uninoculated and inoculated stes) serve as control for comparing with different level of fly ashamended soil. Plant growth and yield parameters were increased significantly in 10 to 30% fly ash amended soils. However, at higher level of fly ash (40% and 50%), plant growth and yield were reduced significantly. The suppression in plant growth and yield were maximum at 50% fly ash level. Similarly the chlorophyll, carotenoids, carbohydrate and proline contents were also increased at 10–30% levels, then increased in 40 and 50% of fly ash level compared to control (uninoculated set). All the parameters; growth, yield, chlorophyll, carotenoids, carbohydrate and proline content of plants were better for all the fly ash level as compared to nematode inoculated sets.
In the present investigation it was tried to find out the interactive effect of various level of fly ash (abiotic) and root-knot nematode, Meloidogyne incognita (biotic) on plant growth, yield and some biochemical contents in pumpkin (Cucurbita moschata). The experiments were conducted in pots with different level of fly ash and soil mixture in the green house at Department of Botany, Aligarh Muslim University, Aligarh, India. Seeds of pumpkin (F1 hybrid-Nutan) were grown in pots filled with different level of fly ash (5, 10, 20, 30, 40 and 50%). At four leaves stage, seedlings were inoculated with 2000 larvae (J2 stage) of M. incognita. Plants grown in soil (uninoculated and inoculated stes) serve as control for comparing with different level of fly ashamended soil. Plant growth and yield parameters were increased significantly in 10 to 30% fly ash amended soils. However, at higher level of fly ash (40% and 50%), plant growth and yield were reduced significantly. The suppression in plant growth and yield were maximum at 50% fly ash level. Similarly the chlorophyll, carotenoids, carbohydrate and proline contents were also increased at 10–30% levels, then increased in 40 and 50% of fly ash level compared to control (uninoculated set). All the parameters; growth, yield, chlorophyll, carotenoids, carbohydrate and proline content of plants were better for all the fly ash level as compared to nematode inoculated sets.
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