Skip to main content
. 2022 Mar 8;12:3753. doi: 10.1038/s41598-022-07760-w

Table 1.

Infestation of Mythimna separata (mean numbers of larvae & pupae) on wheat crop and their correlations with incorporated/retained residue in different tillage-cum-crop establishment and residues management practices of Indo-Gangetic Plains at 65 days after sowing (larvae) and after harvesting of crop (pupae) during recent different years.

Scenarios* Number of larvae (m−2) Number of pupae (m−2)
2018–2019 2019–2020 2020–2021 2018–2019 2019–2020 2020–2021
Sc1 (FP) 0.20 ± 0.02a 0.80 ± 0.58a 1.60 ± 0.81a 0.00 ± 0.00a 0.20 ± 0.20a 0.40 ± 0.24a
Sc2 (FP) 0.60 ± 0.40a 0.60 ± 0.60a 2.00 ± 0.95a 0.20 ± 0.20a 0.40 ± 0.24a 0.60 ± 0.24a
Sc3 (pCA) 1.40 ± 0.51ab 4.20 ± 1.24ab 7.60 ± 1.43b 0.40 ± 0.24a 1.00 ± 0.32ab 1.60 ± 0.40ab
Sc4 (pCA) 3.20 ± 1.16b 6.60 ± 1.50b 9.60 ± 1.88b 1.00 ± 0.45a 1.60 ± 0.24b 2.00 ± 0.45b
Sc5 (pCA) 1.60 ± 0.81ab 5.00 ± 1.38b 6.80 ± 1.88b 0.40 ± 0.24a 1.00 ± 0.32ab 1.40 ± 0.51ab
Sc6 (CA) 2.20 ± 0.66ab 4.00 ± 1.30ab 7.40 ± 1.08b 0.40 ± 0.24a 0.80 ± 0.37ab 1.60 ± 0.24ab
Sc7 (CA) 3.40 ± 0.93b 8.00 ± 1.48b 10.40 ± 1.53b 1.20 ± 0.49a 1.80 ± 0.37b 2.40 ± 0.24b
Number of larvae/pupae (m2) regressed on residue incorporated/retained (r)
Larvae (m2) Pupae (m2)
Y = 0.23x + 2.66 (R2 = 0.82*) Y = 0.06X + 0.59 (R2 = 0.89**)

Mean values followed by standard error and different superscript small letters within a column are significantly different; * and ** indicate significant at P<0.05 and <0.001, respectively.