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 |
|
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.
|
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.
|
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).
|
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.
|
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=IQoJb3JpZ2luX2VjECsaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAK26p7IChWU5QFH4rkoPTq8KF87Brn8Tq2KoYZ5IRTytAiAp41atFhQ6hiKs%2FP7M1tm1pm5OhuIJuSHriDCPfiuRFiqZBAjE%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMko%2BdLGyXshsYmk69Ku0D%2BF6c%2BU6iYr0jmMd3fh7mFKFyzw2kSmDMFyyS3R2IUglHCtuJYvzvOZIQCAbFa0Nkvum7O73kKGaPHf8UpW7%2F74tyMBXNkcSQmsI92SjKPesy4TUtwgZnUQqmqpFNxHjgPL0sPk%2BTHb6LmKlhxklsAp28%2FEAcngJEcG7mvPs0%2Bzu%2BmwV8Z8Vchxi4mncp%2Bo4VZrHhisp%2BzYn3W2cvFPzdhwyFbyHkpfQYthtY1SW2ZzMQhYZ8c68WFKHO%2B6GgZsyhZFp0oRc4V0N6kTtLf19QJHWZ%2BtSFqlxqRxUA7rSqveT7JaOgMQhk09VGIiqQ7XOBMS%2FiIG38v6m%2F6XKoKLjc2e%2B%2FYtzsfGxBWNW4pRnWxzvrmAgI%2BCsW2PLA9zVjDaY2VjgTssb11RQ%2B5LUCK9jA7Fu0UNsXdDwVJDbG0rDeDnYtaysQVJ82CU%2BbEkJpRUsUL3SiG4jZcbToQP7y1gpo30IIt64tDD2qECwSgn1ToLry7h%2BP63%2FrTXcKz1DRz%2FxKbMs4c5fmGm7nwYsfupEenGV6cqR8RXyBU2diSu7bJU14fkocyOiHrul86OhhLICA6PL9nxGKOxLoFo0az92xf6dhYNbbVdASFcaTmSwCCNsADy1STI0PvDwKinSHts%2F3qPfLn8Tk8yz91Do5PDDH0bezBjqmAeiIi4hvWhs90uAYHstMo%2FHbbx7tlEqStB%2FahZwOvC3st2x0986nMujK3iN4w2FkCA36%2FhfjwsOiW6%2FnRUlLPdcCbkj83ZLV5lNXxRDegX6XryH9oMawCYOggXZChYTB4DMmxOwZwO6cSxwdfcR5jC5ceBdxdR3swoKSh8YOkmHoLG0gg2aIGiJR%2B5qwfespoyz2fqP66jkHIu6epxfk%2F8dVvx9Dwwk%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU5JOBSSGU%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T191900Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=a9040c1ebcfcfc27e0b5658281b310eb05ebb12b0281fc0c36e35b16f3b625a9) |
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=IQoJb3JpZ2luX2VjECsaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAK26p7IChWU5QFH4rkoPTq8KF87Brn8Tq2KoYZ5IRTytAiAp41atFhQ6hiKs%2FP7M1tm1pm5OhuIJuSHriDCPfiuRFiqZBAjE%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMko%2BdLGyXshsYmk69Ku0D%2BF6c%2BU6iYr0jmMd3fh7mFKFyzw2kSmDMFyyS3R2IUglHCtuJYvzvOZIQCAbFa0Nkvum7O73kKGaPHf8UpW7%2F74tyMBXNkcSQmsI92SjKPesy4TUtwgZnUQqmqpFNxHjgPL0sPk%2BTHb6LmKlhxklsAp28%2FEAcngJEcG7mvPs0%2Bzu%2BmwV8Z8Vchxi4mncp%2Bo4VZrHhisp%2BzYn3W2cvFPzdhwyFbyHkpfQYthtY1SW2ZzMQhYZ8c68WFKHO%2B6GgZsyhZFp0oRc4V0N6kTtLf19QJHWZ%2BtSFqlxqRxUA7rSqveT7JaOgMQhk09VGIiqQ7XOBMS%2FiIG38v6m%2F6XKoKLjc2e%2B%2FYtzsfGxBWNW4pRnWxzvrmAgI%2BCsW2PLA9zVjDaY2VjgTssb11RQ%2B5LUCK9jA7Fu0UNsXdDwVJDbG0rDeDnYtaysQVJ82CU%2BbEkJpRUsUL3SiG4jZcbToQP7y1gpo30IIt64tDD2qECwSgn1ToLry7h%2BP63%2FrTXcKz1DRz%2FxKbMs4c5fmGm7nwYsfupEenGV6cqR8RXyBU2diSu7bJU14fkocyOiHrul86OhhLICA6PL9nxGKOxLoFo0az92xf6dhYNbbVdASFcaTmSwCCNsADy1STI0PvDwKinSHts%2F3qPfLn8Tk8yz91Do5PDDH0bezBjqmAeiIi4hvWhs90uAYHstMo%2FHbbx7tlEqStB%2FahZwOvC3st2x0986nMujK3iN4w2FkCA36%2FhfjwsOiW6%2FnRUlLPdcCbkj83ZLV5lNXxRDegX6XryH9oMawCYOggXZChYTB4DMmxOwZwO6cSxwdfcR5jC5ceBdxdR3swoKSh8YOkmHoLG0gg2aIGiJR%2B5qwfespoyz2fqP66jkHIu6epxfk%2F8dVvx9Dwwk%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU5JOBSSGU%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T191900Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=0c53ea732988bf06cc38e968b0b05bd109b2f1c352fdbc4b5142728999edf6b7) |
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=IQoJb3JpZ2luX2VjECsaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAK26p7IChWU5QFH4rkoPTq8KF87Brn8Tq2KoYZ5IRTytAiAp41atFhQ6hiKs%2FP7M1tm1pm5OhuIJuSHriDCPfiuRFiqZBAjE%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMko%2BdLGyXshsYmk69Ku0D%2BF6c%2BU6iYr0jmMd3fh7mFKFyzw2kSmDMFyyS3R2IUglHCtuJYvzvOZIQCAbFa0Nkvum7O73kKGaPHf8UpW7%2F74tyMBXNkcSQmsI92SjKPesy4TUtwgZnUQqmqpFNxHjgPL0sPk%2BTHb6LmKlhxklsAp28%2FEAcngJEcG7mvPs0%2Bzu%2BmwV8Z8Vchxi4mncp%2Bo4VZrHhisp%2BzYn3W2cvFPzdhwyFbyHkpfQYthtY1SW2ZzMQhYZ8c68WFKHO%2B6GgZsyhZFp0oRc4V0N6kTtLf19QJHWZ%2BtSFqlxqRxUA7rSqveT7JaOgMQhk09VGIiqQ7XOBMS%2FiIG38v6m%2F6XKoKLjc2e%2B%2FYtzsfGxBWNW4pRnWxzvrmAgI%2BCsW2PLA9zVjDaY2VjgTssb11RQ%2B5LUCK9jA7Fu0UNsXdDwVJDbG0rDeDnYtaysQVJ82CU%2BbEkJpRUsUL3SiG4jZcbToQP7y1gpo30IIt64tDD2qECwSgn1ToLry7h%2BP63%2FrTXcKz1DRz%2FxKbMs4c5fmGm7nwYsfupEenGV6cqR8RXyBU2diSu7bJU14fkocyOiHrul86OhhLICA6PL9nxGKOxLoFo0az92xf6dhYNbbVdASFcaTmSwCCNsADy1STI0PvDwKinSHts%2F3qPfLn8Tk8yz91Do5PDDH0bezBjqmAeiIi4hvWhs90uAYHstMo%2FHbbx7tlEqStB%2FahZwOvC3st2x0986nMujK3iN4w2FkCA36%2FhfjwsOiW6%2FnRUlLPdcCbkj83ZLV5lNXxRDegX6XryH9oMawCYOggXZChYTB4DMmxOwZwO6cSxwdfcR5jC5ceBdxdR3swoKSh8YOkmHoLG0gg2aIGiJR%2B5qwfespoyz2fqP66jkHIu6epxfk%2F8dVvx9Dwwk%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU5JOBSSGU%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T191900Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=d7a3fce01e6b0b1ad40892714a1ae1cffcce2169bfe12637f15535d6877e102b) |
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=IQoJb3JpZ2luX2VjECsaDmFwLW5vcnRoZWFzdC0xIkcwRQIhAK26p7IChWU5QFH4rkoPTq8KF87Brn8Tq2KoYZ5IRTytAiAp41atFhQ6hiKs%2FP7M1tm1pm5OhuIJuSHriDCPfiuRFiqZBAjE%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAIaDDUzMjMzMTA3MjA0MSIMko%2BdLGyXshsYmk69Ku0D%2BF6c%2BU6iYr0jmMd3fh7mFKFyzw2kSmDMFyyS3R2IUglHCtuJYvzvOZIQCAbFa0Nkvum7O73kKGaPHf8UpW7%2F74tyMBXNkcSQmsI92SjKPesy4TUtwgZnUQqmqpFNxHjgPL0sPk%2BTHb6LmKlhxklsAp28%2FEAcngJEcG7mvPs0%2Bzu%2BmwV8Z8Vchxi4mncp%2Bo4VZrHhisp%2BzYn3W2cvFPzdhwyFbyHkpfQYthtY1SW2ZzMQhYZ8c68WFKHO%2B6GgZsyhZFp0oRc4V0N6kTtLf19QJHWZ%2BtSFqlxqRxUA7rSqveT7JaOgMQhk09VGIiqQ7XOBMS%2FiIG38v6m%2F6XKoKLjc2e%2B%2FYtzsfGxBWNW4pRnWxzvrmAgI%2BCsW2PLA9zVjDaY2VjgTssb11RQ%2B5LUCK9jA7Fu0UNsXdDwVJDbG0rDeDnYtaysQVJ82CU%2BbEkJpRUsUL3SiG4jZcbToQP7y1gpo30IIt64tDD2qECwSgn1ToLry7h%2BP63%2FrTXcKz1DRz%2FxKbMs4c5fmGm7nwYsfupEenGV6cqR8RXyBU2diSu7bJU14fkocyOiHrul86OhhLICA6PL9nxGKOxLoFo0az92xf6dhYNbbVdASFcaTmSwCCNsADy1STI0PvDwKinSHts%2F3qPfLn8Tk8yz91Do5PDDH0bezBjqmAeiIi4hvWhs90uAYHstMo%2FHbbx7tlEqStB%2FahZwOvC3st2x0986nMujK3iN4w2FkCA36%2FhfjwsOiW6%2FnRUlLPdcCbkj83ZLV5lNXxRDegX6XryH9oMawCYOggXZChYTB4DMmxOwZwO6cSxwdfcR5jC5ceBdxdR3swoKSh8YOkmHoLG0gg2aIGiJR%2B5qwfespoyz2fqP66jkHIu6epxfk%2F8dVvx9Dwwk%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAXX4LHRIU5JOBSSGU%2F20240615%2Fap-northeast-1%2Fs3%2Faws4_request&X-Amz-Date=20240615T191900Z&X-Amz-SignedHeaders=host&X-Amz-Expires=1800&X-Amz-Signature=a722c8d0bd908514979d9561691337779b457900cb009e0015882745fe9aa903) |
カテゴリ |
病害虫
くり
しそ
ばれいしょ
防除
薬剤
|