| 摘要 |
<p>A stem/leaf desiccant for crop plants which comprises as an active ingredient, a compound of formula (I):
<Chemistry id="chema01" num="0001"><Image id="ia01" he="43" wi="88" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" /></Chemistry>
wherein X represents CH; Z represents halogen; A represents oxygen, sulfur, or NH; R<Sup>1</Sup> represents hydroxyl, C<Sub>1</Sub>-C<Sub>7</Sub> alkoxy, C<Sub>3</Sub>-C<Sub>7</Sub> alkenyloxy, C<Sub>3</Sub>-C<Sub>7</Sub> alkynyloxy, C<Sub>6</Sub>-C<Sub>7</Sub> cycloalkoxy, {(C<Sub>1</Sub>-C<Sub>7</Sub> alkoxy)carbonyl} C<Sub>1</Sub>-C<Sub>3</Sub> alkoxy, (C<Sub>1</Sub>-C<Sub>7</Sub> alkylamino)oxy, {di(C<Sub>1</Sub>-C<Sub>7</Sub> alkyl)aminoloxy, (C<Sub>3</Sub>-C<Sub>7</Sub> alkylideneamino)oxy, C<Sub>1</Sub>-C<Sub>7</Sub> alkylamino, di(C<Sub>1</Sub>-C<Sub>7</Sub> alkyl)amino, C<Sub>3</Sub>-C<Sub>7</Sub> alkenylamino, C<Sub>3</Sub>-C<Sub>7</Sub> alkynylamino, C<Sub>5</Sub>-C<Sub>7</Sub> cycloalkylamino, {(C<Sub>1</Sub>-C<Sub>7</Sub> alkoxykarbonyl} C<Sub>1</Sub>-C<Sub>3</Sub> alkylamino, or (C<Sub>1</Sub>-C<Sub>7</Sub> alkoxy)amino; R<Sup>2</Sup> is hydrogen or methyl; and R<Sup>3</Sup> is hydrogen, halogen, C<Sub>1</Sub>-C<Sub>3</Sub> alkyl, or C<Sub>1</Sub>-C<Sub>3</Sub> alkoxy;
a method for desiccating a crop plant and a method for harvesting a crop by using the stem/leaf desiccant.</p> |
