The results showed that basal diameter growth and height growth of the four - year - old Caribbean pine infested by lobbolly mealybug were reduced by 18.27% and 36.37% respectively in the second year.

 
  • 研究结果表明:粉蚧入侵的第2年;4年生加勒比松地面直径和树高年生长量分别损失18.;27%25和36
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