タイトル |
ジャガイモそうか病及び疫病の発生に及ぼす雲仙普賢岳降灰の影響 |
担当機関 |
長崎総農林試 |
研究期間 |
1994~1995 |
研究担当者 |
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発行年度 |
1995 |
要約 |
ジャガイモそうか病の発生は火山灰の混和により増加するが、クロルピクリン剤による防除が可能である.マンゼブ・メタラキシル水和剤の疫病に対する防除効果は降灰条件下でも認められるが、無降灰と比較するとやや劣る.
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背景・ねらい |
雲仙普賢岳の噴火に伴って生じた火山灰が農業生産に及ぼす影響は極めて大きく、早急な対策が求められている.普賢岳の位置する島原半島はジャガイモの一大産地であるため、ジャガイモそうか病及び疫病の発生並びに薬剤の防除効果に及ぼす降灰の影響を明らかにし、対策技術を確立する.
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成果の内容・特徴 |
- 堆積した火山灰を圃場に混和すると、土壌pHが上昇し、そうか病の発生が増加する(図1).
- クロピクリン剤の30リットル/10a土壌潅注処理によるそうか病の防除効果は、火山灰を混和した圃場においても認められる(図2).
- 0~120g/㎡/2週の降灰処理は、疫病の進展を助長しない(図3).
- 疫病に対するマンゼブ・メタラキシル水和剤500倍液の散布効果は、降灰により茎葉に火山灰が付着した場合でも認められるが、降灰量の増加に伴い防除効果は低下する(図4).
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成果の活用面・留意点 |
- 降灰条件下でも従来の薬剤防除効果は認められることから、一般圃場と同様の防除対策が大切である.
- 火山灰の性質は火山の種類や噴火時期によって異なるので、本成果を他の火山灰堆積地域に直接適用することはできない.本試験は平成3~5年に島原市で採集した火山灰を使用した.
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図表1 |
![223887-1.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/223887-1.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEK3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDmFwLW5vcnRoZWFzdC0xIkgwRgIhAO9wV%2Bfn1GL0SZrjneHuooBgEXNpQwQhrPV%2FvL5LGk1%2BAiEApa6DvlR7JbrfQPmUgqIbJfO5ssqBe9Edo9cIYUarfeAqkAQIVhACGgw1MzIzMzEwNzIwNDEiDDatiwCdssurL9aihCrtA6BEIU6cJMWWBvS7UgcOGEwXfF%2FFa4iZgiZJ7sr2tOLB1%2Bu9QGnoGbzw5Kkj0BRuBYJP%2BdkVqJx6IYxHFQv4DxYsqxF%2Fd6J5Ks9mLZCA0OwyasahW%2BcaY4Ue1RbLIY1dWrZhkPjMHAxf7VJzh4EilfjhMNTihYGigoAqhje%2FpCD6D%2BpqriRGxo54IjQyEf4D1Ltfd1x5ZRxWHe9bLQhJzsd7FCpE4z86mpoeOzSoCRLqX0B910Hgx%2FN1tAuJXcDgA3JaRdW5tv8jLiKnlf%2F8RqZtSPtGZPngYjW2WRqo9yu3Te1B8mgnajdIYCt2c79yW7EaJvE1SC9oD1CWoHZfRO2PRwgUFdHy9nsxJihBH7Xirv9Z2nJ34i8zPSzkP%2BfYrx3sTnQ%2FdBE1Gl78hhWPikFF4Aov62%2BqRU1Fd6kIiUmcyXZEwocWLVEkn2cnB5tNIh%2FKPoJzkbJsHrfqgaDU9i19aUOy1Akxuuf3habP4DTLkOt4XUxGb4ES94B6kblZmhpT%2FhZQsUaBsAXoE6RHb3%2BYe%2FQdjfglnlSjFRD064KU81pe0aPOFX6YX%2BiZjEcVaYZELzZJCeVJOa8967p1Levk3Gpwi%2F9iEZQ9SzON388KGAEIPGg4Frv5MdaHxN4neue1KB5kvcOW9qMHEzYw3pTUswY6pQGf%2BcxpNbXtVwFsWdRzjqJyJasqmziVw4%2FCznAqkYHpdUeQDwY4Tc%2B9ppBpLmJ43Kj1JN6vCdvAChlP10%2BmZmn21gNbVK%2B%2BjH44ZTi%2B2x2kgt7MaosvVFheGWXybFXVy9t0TLm7%2Fsp45zzBBoBWfFy%2B3OzoF8iyrQI5F%2FCndvMUMXfe1ANhPO8KX5LN%2Fj%2FItSuO8VZE9rqGoHlI6wGKdr4DPYIj0mM%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU4QPYORVC%2F20240621%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240621T051746Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=3eb7129be9ffdb355d6138ca7d03a07c8bd4f1ce262ce41ef61878a463139c9e) |
図表2 |
![223887-2.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/223887-2.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEK3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDmFwLW5vcnRoZWFzdC0xIkgwRgIhAO9wV%2Bfn1GL0SZrjneHuooBgEXNpQwQhrPV%2FvL5LGk1%2BAiEApa6DvlR7JbrfQPmUgqIbJfO5ssqBe9Edo9cIYUarfeAqkAQIVhACGgw1MzIzMzEwNzIwNDEiDDatiwCdssurL9aihCrtA6BEIU6cJMWWBvS7UgcOGEwXfF%2FFa4iZgiZJ7sr2tOLB1%2Bu9QGnoGbzw5Kkj0BRuBYJP%2BdkVqJx6IYxHFQv4DxYsqxF%2Fd6J5Ks9mLZCA0OwyasahW%2BcaY4Ue1RbLIY1dWrZhkPjMHAxf7VJzh4EilfjhMNTihYGigoAqhje%2FpCD6D%2BpqriRGxo54IjQyEf4D1Ltfd1x5ZRxWHe9bLQhJzsd7FCpE4z86mpoeOzSoCRLqX0B910Hgx%2FN1tAuJXcDgA3JaRdW5tv8jLiKnlf%2F8RqZtSPtGZPngYjW2WRqo9yu3Te1B8mgnajdIYCt2c79yW7EaJvE1SC9oD1CWoHZfRO2PRwgUFdHy9nsxJihBH7Xirv9Z2nJ34i8zPSzkP%2BfYrx3sTnQ%2FdBE1Gl78hhWPikFF4Aov62%2BqRU1Fd6kIiUmcyXZEwocWLVEkn2cnB5tNIh%2FKPoJzkbJsHrfqgaDU9i19aUOy1Akxuuf3habP4DTLkOt4XUxGb4ES94B6kblZmhpT%2FhZQsUaBsAXoE6RHb3%2BYe%2FQdjfglnlSjFRD064KU81pe0aPOFX6YX%2BiZjEcVaYZELzZJCeVJOa8967p1Levk3Gpwi%2F9iEZQ9SzON388KGAEIPGg4Frv5MdaHxN4neue1KB5kvcOW9qMHEzYw3pTUswY6pQGf%2BcxpNbXtVwFsWdRzjqJyJasqmziVw4%2FCznAqkYHpdUeQDwY4Tc%2B9ppBpLmJ43Kj1JN6vCdvAChlP10%2BmZmn21gNbVK%2B%2BjH44ZTi%2B2x2kgt7MaosvVFheGWXybFXVy9t0TLm7%2Fsp45zzBBoBWfFy%2B3OzoF8iyrQI5F%2FCndvMUMXfe1ANhPO8KX5LN%2Fj%2FItSuO8VZE9rqGoHlI6wGKdr4DPYIj0mM%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU4QPYORVC%2F20240621%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240621T051746Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=0d85024b6b40b140e68a43a4938a30ce03c86ded6c626a12331ba11ec0797937) |
図表3 |
![223887-3.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/223887-3.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEK3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDmFwLW5vcnRoZWFzdC0xIkgwRgIhAO9wV%2Bfn1GL0SZrjneHuooBgEXNpQwQhrPV%2FvL5LGk1%2BAiEApa6DvlR7JbrfQPmUgqIbJfO5ssqBe9Edo9cIYUarfeAqkAQIVhACGgw1MzIzMzEwNzIwNDEiDDatiwCdssurL9aihCrtA6BEIU6cJMWWBvS7UgcOGEwXfF%2FFa4iZgiZJ7sr2tOLB1%2Bu9QGnoGbzw5Kkj0BRuBYJP%2BdkVqJx6IYxHFQv4DxYsqxF%2Fd6J5Ks9mLZCA0OwyasahW%2BcaY4Ue1RbLIY1dWrZhkPjMHAxf7VJzh4EilfjhMNTihYGigoAqhje%2FpCD6D%2BpqriRGxo54IjQyEf4D1Ltfd1x5ZRxWHe9bLQhJzsd7FCpE4z86mpoeOzSoCRLqX0B910Hgx%2FN1tAuJXcDgA3JaRdW5tv8jLiKnlf%2F8RqZtSPtGZPngYjW2WRqo9yu3Te1B8mgnajdIYCt2c79yW7EaJvE1SC9oD1CWoHZfRO2PRwgUFdHy9nsxJihBH7Xirv9Z2nJ34i8zPSzkP%2BfYrx3sTnQ%2FdBE1Gl78hhWPikFF4Aov62%2BqRU1Fd6kIiUmcyXZEwocWLVEkn2cnB5tNIh%2FKPoJzkbJsHrfqgaDU9i19aUOy1Akxuuf3habP4DTLkOt4XUxGb4ES94B6kblZmhpT%2FhZQsUaBsAXoE6RHb3%2BYe%2FQdjfglnlSjFRD064KU81pe0aPOFX6YX%2BiZjEcVaYZELzZJCeVJOa8967p1Levk3Gpwi%2F9iEZQ9SzON388KGAEIPGg4Frv5MdaHxN4neue1KB5kvcOW9qMHEzYw3pTUswY6pQGf%2BcxpNbXtVwFsWdRzjqJyJasqmziVw4%2FCznAqkYHpdUeQDwY4Tc%2B9ppBpLmJ43Kj1JN6vCdvAChlP10%2BmZmn21gNbVK%2B%2BjH44ZTi%2B2x2kgt7MaosvVFheGWXybFXVy9t0TLm7%2Fsp45zzBBoBWfFy%2B3OzoF8iyrQI5F%2FCndvMUMXfe1ANhPO8KX5LN%2Fj%2FItSuO8VZE9rqGoHlI6wGKdr4DPYIj0mM%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU4QPYORVC%2F20240621%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240621T051746Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=26edf99d374f94f89ca5d0ebf4a73c27556946572375572f4bdfa6da8b5febac) |
図表4 |
![223887-4.gif](https://s3-agre-content.s3.ap-northeast-1.amazonaws.com/assets/images/seika_chart/223887-4.gif?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEK3%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDmFwLW5vcnRoZWFzdC0xIkgwRgIhAO9wV%2Bfn1GL0SZrjneHuooBgEXNpQwQhrPV%2FvL5LGk1%2BAiEApa6DvlR7JbrfQPmUgqIbJfO5ssqBe9Edo9cIYUarfeAqkAQIVhACGgw1MzIzMzEwNzIwNDEiDDatiwCdssurL9aihCrtA6BEIU6cJMWWBvS7UgcOGEwXfF%2FFa4iZgiZJ7sr2tOLB1%2Bu9QGnoGbzw5Kkj0BRuBYJP%2BdkVqJx6IYxHFQv4DxYsqxF%2Fd6J5Ks9mLZCA0OwyasahW%2BcaY4Ue1RbLIY1dWrZhkPjMHAxf7VJzh4EilfjhMNTihYGigoAqhje%2FpCD6D%2BpqriRGxo54IjQyEf4D1Ltfd1x5ZRxWHe9bLQhJzsd7FCpE4z86mpoeOzSoCRLqX0B910Hgx%2FN1tAuJXcDgA3JaRdW5tv8jLiKnlf%2F8RqZtSPtGZPngYjW2WRqo9yu3Te1B8mgnajdIYCt2c79yW7EaJvE1SC9oD1CWoHZfRO2PRwgUFdHy9nsxJihBH7Xirv9Z2nJ34i8zPSzkP%2BfYrx3sTnQ%2FdBE1Gl78hhWPikFF4Aov62%2BqRU1Fd6kIiUmcyXZEwocWLVEkn2cnB5tNIh%2FKPoJzkbJsHrfqgaDU9i19aUOy1Akxuuf3habP4DTLkOt4XUxGb4ES94B6kblZmhpT%2FhZQsUaBsAXoE6RHb3%2BYe%2FQdjfglnlSjFRD064KU81pe0aPOFX6YX%2BiZjEcVaYZELzZJCeVJOa8967p1Levk3Gpwi%2F9iEZQ9SzON388KGAEIPGg4Frv5MdaHxN4neue1KB5kvcOW9qMHEzYw3pTUswY6pQGf%2BcxpNbXtVwFsWdRzjqJyJasqmziVw4%2FCznAqkYHpdUeQDwY4Tc%2B9ppBpLmJ43Kj1JN6vCdvAChlP10%2BmZmn21gNbVK%2B%2BjH44ZTi%2B2x2kgt7MaosvVFheGWXybFXVy9t0TLm7%2Fsp45zzBBoBWfFy%2B3OzoF8iyrQI5F%2FCndvMUMXfe1ANhPO8KX5LN%2Fj%2FItSuO8VZE9rqGoHlI6wGKdr4DPYIj0mM%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU4QPYORVC%2F20240621%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240621T051746Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=33adc8df2242b04b2a3956eb3d906400e5a0a9a970948658870e3798d8575cb6) |
カテゴリ |
病害虫
くり
しそ
ばれいしょ
防除
薬剤
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