Dispersion capacity of Trichogramma pretiosum in propped up tomato

被引：16

作者：

Pratissoli, D

Vianna, UR

Zago, HB

Pastori, PL

机构：

[1] Univ Fed Espirito Santo, Ctr Ciencias Agrarias, Dept Fitotecnia, BR-29500000 Alegre, ES, Brazil

[2] Univ Fed Rural Pernambuco, Dept Agron Fitossanidade, BR-52171900 Recife, PE, Brazil

来源：

PESQUISA AGROPECUARIA BRASILEIRA | 2005年 / 40卷 / 06期

关键词：

Tuta absoluta; parasitoids; insecta; biological control;

D O I：

10.1590/S0100-204X2005000600013

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The dispersion capacity of Trichogramma pretiosum Riley was studied on Anagasta kuehniella (Zeller) eggs, in tomato field in different phenological stages and systems of conduction of the plants. The dispersion of T pretiosum, 24 hours after the liberation, attained 7.37 to 7.94 m. The dispersion area was 120.20 to 138.72 m(2). Parasitism varies from 53.1% to 87.3% and it is significant according to the phenological stage of the crop. The parasitoids liberation for the control of Tuta absoluta (Meyrick) should be done in 75 points per hectare.

引用

页码：613 / 616

页数：4

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