Sex attractant for fruit tree pest Grapholitha molesta Busck
A technology for pear small heart-eating insects and fruit trees, which is applied in the directions of attracting pests, devices for catching or killing insects, biocides, etc., to achieve the effects of strong selectivity, simple and easy use, and labor cost saving.
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Embodiment 1
[0021] (cis 8)-dodecene-1-acetate, (trans 8)-dodecene-1-acetate, (cis 8)-dodecen-1-ol, (trans 8 , trans 10)-dodecadien-1-ol, the weight composition ratio of dodecyl-1-ol and tetradecyl-1-ol is mixed according to 20:8:10:35:15:5, and n-hexyl Alkanes dubbed sex pheromone solution. Wherein, the weight composition ratio of pheromone component to n-hexane is 1:50. Then, the natural rubber reversing plug is soaked in the sex pheromone solution overnight, and then dried to obtain the lure of the small pear borer (ie, the six-component lure). In a mixed orchard of 5 acres of peaches and pears, five sets of boat traps (each with a lure) were randomly placed, and the number of males of the small pear borer worm was observed and recorded every day at 8 o'clock in the morning. Statistics are in Table 1.
[0022] Table 1 The amount of moths attracted by three kinds of sexual lures to Pear borer*
[0023]
[0024]
[0025] *Test location: An orchard in Changzhou City, Jiangsu Prov...
Embodiment 2
[0028] Other conditions are the same as in Example 1, the pheromone active ingredient is changed to (cis 8)-dodecene-1-acetate, (trans 8)-dodecene-1-acetate, (cis 8) -dodecen-1-ol and dodecen-1-ol, the weight composition ratio of the four components is 70:8:22:4, namely to obtain the four-component lure of pear borer as control 1. Statistics are in Table 1.
Embodiment 3
[0030] Other conditions are the same as in Example 1, the pheromone active ingredient is changed into (cis 8)-dodecene-1-acetate and (trans 8)-dodecene-1-acetate, the two components The weight composition ratio is 90:10, that is, the two-component lure of pear borer is obtained, which is used as control 2. Statistics are in Table 1.
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