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Table 2 Effect of pyriproxyfen and glycine on technological parameters (cocoon indexes and filament characters)

From: Biological and physiological effects of pyriproxyfen insecticide and amino acid glycine on silkworm, Bombyx mori L

Treatment conca Cocoon characters Silk filament characters
Cocoon weight (g) Cocoon shell weight (g) Cocoon silk ratio (%) Silk filament length (m) Silk filament weight (g) Silk filament size (dn)
Pyriproxyfen at 2nd day 1 1.192 0.372 25.732 1091.75 0.292 2.99
10 1.192 0.291 24.381 1294.08 0.331 2.92
100 1.222 0.285 23.305 1220.75 0.300 2.79
Mean 1.0202 0.316 24.473 1202.19 0.308 2.91
Pyriproxyfen + Glycine 1% at 5th day 1 1.674 0.46 27.473 1523.889 0.33 2.50
10 1.720 0.497 28.897 1403.889 0.497 3.28
100 1.469 0.388 26.393 1700.111 0.377 2.52
Mean 1.621 0.448 27.588 1542.62 0.382 2.77
Pyriproxyfen at 8nd day 1 1.443 0.291 24.381 1291.83 0.304 2.64
10 1.409 0.291 24.381 1421.33 0.315 2.53
100 1.441 0.405 28.048 1478.44 0.358 2.54
Mean 1.431 0.329 25.603 1397.20 0.325 2.58
Glycine 1% 1 1.640 0.460 28.057 1466.44 0.391 2.76
Control 0.956 0.245 22.639 1226.25 0.316 2.710
L.S.D 0.05 Conc. 0.164 0.068 2.244 270.286 NS NS
P ≥ 0.05 0.0000*** 0.0000*** 0.0000*** 0.0079** 0.4086 0.6888
L.S.D 0.05 treatment 0.091 0.041 1.183 135.21 Ns NS
P ≥ 0.05 0.0000*** 0.0000*** 0.0000*** 0.0000*** 0.1197 0.7307
  1. NS, *, **, *** denote not significant and significant differences at 0.05, 0.01, and 0.001levels of probability, respectively
  2. aThe tested concentrations of pyriproxyfen (μg/larva) and the glycine concentration tested is 1%