Skip to main content

Table 4 Effect of storage period and temperature on extracts nematicidal activity against M. incognita J2 in vitro

From: Screening the nematicidal potential of indigenous medicinal plant extracts against Meloidogyne incognita under lab. and greenhouse conditions

Aqueous extract Conc. (mg D.Wt./L)a Expected fresh extracts
Mortality % (LDP line)
bMortality (%)
Frozen extracts (− 5 °C) for 1 year Cooled extracts (5 °C) for 14 days Cooled extracts (5 °C) for 60 days
Periwinkle 1000 Approx. 90 92 100 71
2000 > 95 100 100 92
Solidago 1000 Approx. 90 78 95 17
2000 > 99 98 100 33
Check 7 9 5 2
  1. amg D.Wt./L= milligram dry leaves per liter.
  2. b\( \mathsf{Mortality}\%=\frac{\mathsf{Number}\ \mathsf{of}\ \mathsf{dead}\ \mathsf{J}\mathsf{2}\ \mathsf{in}\ \mathsf{a}\ \mathsf{treatment}}{\mathsf{Number}\ \mathsf{of}\ \mathsf{totals}\ \mathsf{tested}\ \mathsf{J}\mathsf{2}\ \mathsf{in}\ \mathsf{the}\ \mathsf{same}\ \mathsf{treatment}} \)