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Table 2 Conversion factors between plant-specific leaf deposition and standardised measurements of pollen deposition

From: Accumulation and variability of maize pollen deposition on leaves of European Lepidoptera host plants and relation to release rates and deposition determined by standardised technical sampling

Conversion factors Standardised technical methods
Specific leaf deposition Integrated deposition PMO {3404 n/cm2} Standardised deposition PMF {359 n/cm2}
Maize (Zea mays)
 Mean (50 % quantile) \(\bar{D}_{\text{ZM}}\) (50 %)
{478 n/cm2}
0.14 1.33
 90 % quantile DZM (90 %)
{5780 n/cm2}
1.70 16.1
 95 % quantile DZM (95 %)
{11,716 n/cm2}
3.44 32.6
Nettle (Urtica dioica)
 Mean (50 % quantile) \(\bar{D}_{\text{UD}}\) (50 %)
{244 n/cm2}
0.07 0.68
 90 % quantile DUD (90 %)
{2067 n/cm2}
0.61 5.76
 95 % quantile DUD (95 %)
{3791 n/cm2}
1.11 10.5
  1. Specific leaf deposition was estimated by censored maximum likelihood with data obtained from parallel measurements in field B over the flowering period