[Studies on the distribution and the control decision of white grub population in field of Paeonia lactiflora].
The present paper showed the result of accumulated distribution pattern of the mixed population of white grubs [Holotrichia oblita (Faldermann)] in the field. The x2-test indicated that the numbers of grub were 2.5-8 per squar-meter, which agreed to negative binomial distribution. The accepted and refused lines of sequential sampling were calculated in different occurrence degree.
Chen
S
S
Anhui Agricultural University, Hefei 230036.
Zhang
Y
Y
Cheng
X
X
Wang
J
J
D000818:Animals; D007814:Larva / Q000254:growth & development; D015233:Models, Statistical; D029596:Paeonia / Q000254:growth & development*; D010571:Pest Control / Q000379:methods*; D010946:Plants, Medicinal / Q000254:growth & development*