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| | <table> | | <table> |
| − | <tr><th colspan="3">Nematicide</th><th>Kinds of the nematodes it kills</th><th>Disadvantages</th></tr>
| |
| | | | |
| − | <tr><td rowspan="4">Fumigant</td><td rowspan="3">halohydrocarbon</td><td>Halohydrocarbon nemafene</td><td rowspan="3">Kill the nematodes in the soil and other small pests</td><td rowspan="4">High toxicity | + | <tr> |
| − | Do harm to the soil, the environment even the health. | + | <th colspan="3">Nematicide</th> |
| − | The using period is limited. It is probably do harm to the crops. Preventive nematicides. | + | <th>Kinds of the nematodes it kills</th> |
| − | The operation is very complex.</td></tr> | + | <th>Disadvantages</th> |
| | + | </tr> |
| | + | |
| | + | <tr> |
| | + | <td rowspan="4">Fumigant</td> |
| | + | <td rowspan="3">halohydrocarbon</td> |
| | + | <td>Halohydrocarbon nemafene</td> |
| | + | <td rowspan="3">Kill the nematodes in the soil and other small pests</td> |
| | + | <td rowspan="4">High toxicity Do harm to the soil, the environment even the health. The using period is limited. It is probably do harm to the crops. Preventive nematicides. The operation is very complex.</td> |
| | + | </tr> |
| | | | |
| | <tr><td>Ethylene dibromide</td></tr> | | <tr><td>Ethylene dibromide</td></tr> |
| | + | |
| | <tr><td>Dibromochloropropane</td></tr> | | <tr><td>Dibromochloropropane</td></tr> |
| − | <tr><td>Isomethylthiocyanate releasing agent</td><td>Isomethylthiocyanate releasing agent</td><td rowspan="6">Use as biocide, kill the nematodes, the grass and so on </td></tr>
| |
| | | | |
| − | <tr><td rowspan="6">non–fumigant</td><td rowspan="6">organophosphorus</td><td>Dichlofenthion</td><td rowspan="6">Apelenchoides fragariae and most of the nematodes</td><td rowspan="6">Have toxicity | + | <tr> |
| − | The underground water will be polluted.</td></tr> | + | <td>Isomethylthiocyanate releasing agent</td> |
| | + | <td>Isomethylthiocyanate releasing agent</td> |
| | + | <td rowspan="6">Use as biocide, kill the nematodes, the grass and so on </td> |
| | + | </tr> |
| | + | |
| | + | <tr> |
| | + | <td rowspan="6">non–fumigant</td> |
| | + | <td rowspan="6">organophosphorus</td> |
| | + | <td>Dichlofenthion</td> |
| | + | <td rowspan="6">Apelenchoides fragariae and most of the nematodes</td> |
| | + | <td rowspan="6">Have toxicity The underground water will be polluted.</td> |
| | + | </tr> |
| | | | |
| | <tr><td>Ethoprophos</td></tr> | | <tr><td>Ethoprophos</td></tr> |
| | + | |
| | <tr><td>Isofenphos-methyl</td></tr> | | <tr><td>Isofenphos-methyl</td></tr> |
| | + | |
| | <tr><td>Isazofos</td></tr> | | <tr><td>Isazofos</td></tr> |
| | + | |
| | <tr><td>oxamyl</td></tr> | | <tr><td>oxamyl</td></tr> |
| | + | |
| | <tr><td>fenamiphos</td></tr> | | <tr><td>fenamiphos</td></tr> |
| | | | |
| − | <tr><td rowspan="2" colspan="2">the pesticide of the biological source</td><td>Abamectin</td><td>Meloidogyne; Pratylenchus; Radopholus; Tylenchulus; Heterodera glycines</td><td rolspan="2">Very expensive</td></tr> | + | <tr> |
| | + | <td rowspan="2" colspan="2">the pesticide of the biological source</td> |
| | + | <td>Abamectin</td> |
| | + | <td>Meloidogyne; Pratylenchus; Radopholus; Tylenchulus; Heterodera glycines</td> |
| | + | <td rolspan="2">Very expensive</td> |
| | + | </tr> |
| | + | |
| | + | <tr> |
| | + | <td>biological agent DiT</td> |
| | + | <td>Meloidogyne; Heterodera; Pratyleachus spp.; Trichodorus spp.; Belonolaimus spp.</td> |
| | + | </tr> |
| | | | |
| − | <tr><td>biological agent DiT</td><td>Meloidogyne; Heterodera; Pratyleachus spp.; Trichodorus spp.; Belonolaimus spp.</td></tr>
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| | </table> | | </table> |
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| | </html> | | </html> |