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Table 7 Influence of purified chitinase and commercially available anti-nematicidal agent on plant growth promotion (Vigna radiata) under controlled conditions

From: Statistical optimization of chitinase production by Streptomyces rubiginosus SP24 and efficacy of purified chitinase to control root-knot nematode infection in Vigna radiata under controlled conditions

Plant growth parameters Control Set-1 Set-2 Set-3
Shoot length 9.36b 14.83b 13.2b 12.46b
Root length 6.6c 6.83c 5.13c 6.32c
Total plant height 15.96a 21.66a 18.33a 18.83a
Shoot weight 0.408de 0.444d 0.308de 0.224de
Root weight 0.04f 0.029f 0.011g 0.01f
Total plant fresh weight 0.448d 0.474d 0.319de 0.234de
Shoot weight 0.038f 0.093f 0.028 g 0.018f
Root weight 0.009f 0.018f 0.007 g 0.0053f
Total plant dry weight 0.048f 0.111f 0.035 g 0.023f
Chlorophyll a 0.119f 0.27e 0.3de 0.29de
Chlorophyll b 0.225ef 0.495d 0.482d 0.477d
Carotenoid 0.085f 0.138f 0.132ef 0.137f
  1. Control (2 pots), set-1, 2 and 3 are replicates of three pots, and each set is the mean average of three seedlings/pot. Control—addition of only water (pots 1 and 2)
  2. Set-1 contained only chitinase:organic manure formulation (pots 3, 4 and 5)
  3. Set-2 contained chitinase:organic manure formulation as well as 10 ml of inoculum volume of nematodal suspension added near roots of plant (pots 6, 7, and 8)
  4. Set-3 contained fenamiphos: organic manure formulation as well as 10 ml of inoculum volume of nematode suspension added near the roots of the plant at the beginning of the experiment (pots 9, 10, and 11)
  5. Statistical analysis results showed values with the same letters (a, b, c, d, e, f, g) within the column were not significantly different and values with different letters within the column were significantly different from each other according to Duncan’s test