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The invention claimed is:
1. A desiccant for a potato, sunflower, soybean, rape or sorghum plant, which comprises as an active ingredient, a compound of formula (I): ##STR00071## wherein X is CH; Z is halogen; A is oxygen, sulfur, or NH; R.sup.1 is hydroxyl, C.sub.1-C.sub.7 alkoxy, C.sub.3-C.sub.7 alkenyloxy, C.sub.3-C.sub.7 alkynyloxy, C.sub.5-C.sub.7 cycloalkoxy, {(C.sub.1-C.sub.7 alkoxy)carbonyl} C.sub.1-C.sub.3 alkoxy, (C.sub.1-C.sub.7 alkylamino)oxy, {di(C.sub.1-C.sub.7 alkyl)amino}oxy, (C.sub.3-C.sub.7 alkylideneamino)oxy, C.sub.1-C.sub.7 alkylamino, di(C.sub.1-C.sub.7 alkyl)amino, C.sub.3-C.sub.7 alkenylamino, C.sub.3-C.sub.7 alkynylamino, C.sub.5-C.sub.7 cycloalkylamino, {(C.sub.1-C.sub.7 alkoxy)carbonyl} C.sub.1-C.sub.3 alkylamino, or (C.sub.1-C.sub.7 alkoxy)amino; R.sup.2 is hydrogen or methyl; and R.sup.3 is hydrogen, halogen, C.sub.1-C.sub.3 alkyl, or C.sub.1-C.sub.3 alkoxy.
2. The desiccant for a potato plant, which comprises as the active ingredient, the compound of formula (I) according to claim 1.
3. The desiccant for a sunflower plant, which comprises the active ingredient, the compound of formula (I) according to claim 1.
4. A method for desiccating a potato, sunflower, soybean, rape or sorghum plant, which comprises applying the compound of formula (I) according to claim 1 to the plant prior to harvest.
5. The method for desiccating a potato plant, which comprises applying the compound of formula (I) according to claim 1 to a aboveground part of the plants prior to harvest.
6. The method for desiccating a sunflower plant, which comprises applying the compound of formula (I) according to claim 1 to a aboveground part of the sunflower plant prior to harvest.
7. A method for harvesting a crop selected from a group of potato, sunflower, soybean, rape and sorghum, which comprises a step of applying the compound of formula (I) according to claim 1 to the crop plant.
8. The method for harvesting a potato, which comprises a step of applying the compound of formula (I) according to claim 1 to the potato plant.
9. The method for harvesting a sunflower, which comprises a step of applying the compound of formula (I) according to claim 1 to the sunflower plant.
10. The desiccant for a soybean plant, which comprises as the active ingredient, the compound of formula (I) according to claim 1.
11. The desiccant for a rape plant, which comprises the active ingredient, the compound of formula (I) according to claim 1.
12. The desiccant for a sorghum plant, which comprises the active ingredient, the compound of formula (I) according to claim 1.
13. The method for desiccating a soybean plant, which comprises applying the compound of formula (I) according to claim 1 to the plant prior to harvest.
14. The method for desiccating a rape plant, which comprises applying the compound of formula (I) according to claim 1 to the plant prior to harvest.
15. The method for desiccating a sorghum plant, which comprises applying the compound of formula (I) according to claim 1 to the plant prior to harvest.
16. The method according to any one of claims 4 to 6 or 13 to 15, wherein the compound of formula (I) is applied in an amount of 1 to 500 g per 1 ha.
17. The method for harvesting a soybean, which comprises a step of applying the compound of formula (I) according to claim 1 to the soybean plant.
18. The method for harvesting a rape, which comprises a step of applying the compound of formula (I) according to claim 1 to the rape plant.
19. The method for harvesting a sorghum, which comprises a step of applying the compound of formula (I) according to claim 1 to the sorghum plant.
20. The method according to any one of claims 7 to 9 or 17-19, wherein the compound of formula (I) is applied in an amount of 1 to 500 g per 1 ha. |
