植物科学最前線 5:120 （2014）㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆ⏕ែ࠿ࡽぢࡓ⳦ᚑᒓᰤ㣴ᛶࡢ㐍໬ᶫᮏ 㟹ᖏᗈ␆⏘኱Ꮫ␆⏘⏕࿨⛉Ꮫ◊✲㒊㛛
ࠛ080-8555 ᖏᗈᕷ✄⏣⏫す 2 ⥺ 11 ␒ᆅYasushi Hashimoto
Mycoheterotrophic germination of Pyrola asarifolia dust seeds
Key words: dust seed, forest floor, host specificity, partial mycoheterotrophy, Pyroleae
Department of Life Science and Agriculture, Obihiro University of Agriculture and Veterinary Medicine,
Inada-cho, Obihiro, Hokkaido 080-8555, Japan㸯㸬ࡣࡌࡵ࡟ ⳦ᚑᒓᰤ㣴᳜≀ࡣ㸪᳜≀࡜ࡋ࡚ࡢᰤ㣴ᦤྲྀࡢᇶ┙࡛࠶ࡿගྜᡂ⬟ຊࢆ㸪ࡍ࡭࡚࣭ࡶࡋࡃࡣ㒊ศⓗ࡟ᤞ࡚࡚㸪௚ࡢ⏕≀㸪ࡇࡇ࡛ࡣ࢝ࣅࡸࡁࡢࡇ࡜࿧ࡤࢀࡿ⳦㢮࡟౫Ꮡࡋ࡚⏕ࡁࡿ࡜࠸࠺㸪ࡎ࠸ࡪࢇᛮ࠸ษࡗࡓᛶ㉁ࢆ⋓ᚓࡋࡓ᳜≀㐩࡛࠶ࡿࠋᙼࡽࡣࡑࡢ㐍໬ࡢ㐣⛬࡛㸪」ᩘࡢ᳜≀ࡢ⣔⤫࡛」ᩘᅇฟ⌧ࡋ࡚࠸ࡿࡇ࡜ࡀ▱ࡽࢀ࡚࠸ࡿࠋࡇࡢ⳦ᚑᒓᰤ㣴᳜≀ࡣ㸪᳜≀ࡢᰤ㣴ࡢᦤྲྀᶵ⬟ࡸඹ⏕⣔ࡢ㐍໬㐣⛬ࢆゎ᫂ࡍࡿୖ࡛㸪ࡲࡓ㸪᳃ᯘ⏕ែ⣔࡛ࡢ⏕≀㛫┦஫స⏝ࡢ㔜せᛶࢆ⪃࠼ࡿୖ࡛㸪㠀ᖖ࡟⯆࿡῝࠸Ꮡᅾ࡜ࡋ࡚ὀ┠ࡉࢀ࡚࠸ࡿ㸦Whitfield 2007㸪Selosse & Roy 2009㸧ࠋࡇࡢ⳦ᚑᒓᰤ㣴᳜≀ࡢ࠺ࡕ㸪ගྜᡂ⬟ຊࢆ࠶ࡿ⛬ᗘಖᣢࡋࡓࡲࡲ㸪⳦࡬ࡢᚑᒓᰤ㣴ᛶࢆ♧ࡍ᳜≀ࡶ▱ࡽࢀ㸪㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀㸦ΰྜᰤ㣴᳜≀㸧࡜࿧ࡤࢀ࡚࠸ࡿࠋࡇࡢࡼ࠺࡞୰㛫ⓗ࡞ᛶ㉁ࢆᣢࡘ᳜≀ࡢᏑᅾࡣ㸪ᬯ࠸᳃ᯘᯘᗋ⎔ቃୗ࡛᳜≀ࡀ⳦࡬ࡢ౫Ꮡᛶࢆ⋓ᚓࡋ࡚࠸ࡃ㐍໬ࡢ㐣⛬ࡢ㸪๓㐺ᛂẁ㝵࡟ᙜࡓࡿ࡜⪃࠼ࡽࢀࡿ㸦Roy et al. 2013㸧ࠋ ࡲࡓ୍⯡࡟㸪⳦ࡶࡋࡃࡣ௚ࡢ᳜≀࡬ࡢᐤ⏕ᛶࢆ♧ࡍ᳜≀ࡣ㸪ඹ㏻ࡋࡓ≉ᚩⓗ࡞ᙧ㉁ࢆ᭷ࡋ࡚࠸ࡿࡇ࡜
ࡀ▱ࡽࢀࡿࠋࡑࡢ᭱ࡶ≉ᚩⓗ࡞ࡢࡀࠕDust seedࠖ㸦ᇕ✀Ꮚ㸧࡜࿧ࡤࢀࡿᚤ⣽✀Ꮚࡢᙧᡂ࡛࠶ࡿ㸦Eriksson &Kainulainen 2011㸧ࠋࢶࢶࢪ⛉࡟ᒓࡍࡿࢠࣥࣜࣙ࢘ࢯ࢘ࡸࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫ࡀసࡿ✀Ꮚࡶ㸪ᮏ✏࡛୺࡟⤂௓ࡍࡿ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡀྵࡲࢀࡿ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡶ㸪ࡉࡽ࡟㸪ࢶࢶࢪ⛉࡜ࡣศ㢮Ꮫⓗ㢮⦕ᛶࡀ㐲࠸ࣛࣥ⛉᳜≀ࡶ㸪እぢୖ㦫ࡃ࡯࡝㢮ఝࡋࡓ✀Ꮚࢆసࡿ㸦ᅗ 1㸧ࠋࡇࢀࡣ㸪ᚑᒓᰤ㣴ᛶࢆᣢࡗࡓ᳜≀࡟࠾ࡅࡿ཰ᩡ㐍໬࡜⪃࠼ࡽࢀ࡚࠸ࡿࠋ ගྜᡂ⬟ຊࢆṧࡋࡓࡲࡲ⳦࡬ࡢ౫Ꮡᛶࡶ࠶ࢃࡏᣢࡘ㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀ࡢ㸪ᚤ⣽✀ᏊⓎⱆ᫬ࡢඹ⏕ᅗ ྠ୍ࡢ᳃ᯘ࠿ࡽ᥇ྲྀࡋࡓᚤ⣽✀Ꮚࡢ౛ࠋᕥୖ࣭ࢩࣕࢡࢪࣙ࢘ࢯ࢘ྑୖ࣭ࢡࣔ࢟ࣜࢯ࢘㸦ࣛࣥ⛉㸧ᕥୗ࣭࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ྑୗ࣭ࢥ࢖ࢳࣖࢡࢯ࢘ࠋࢫࢣ࣮ࣝࡣ PP⳦࡜ࡢ㛵ࢃࡾྜ࠸ࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜ࡣ㸪⳦ᚑᒓᰤ㣴ᛶࡢ㐍໬ࡀ࡝ࡢࡼ࠺࡞㐣⛬ࢆ࡬࡚㉳ࡇࡗ࡚ࡁࡓࡢ࠿ࢆ᥎ ࡍࡿ୍ຓ࡟࡞ࡿ࡜⪃࠼ࡽࢀࡿ㸦Bidartondo
Y. Hashimoto - 1

植物科学最前線 5:121 （2014）& Read 2008㸪Selosse & Roy 2009㸧ࠋࡑࡇ࡛ᮏ✏࡛ࡣ㸪ࡇࡢ㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀࡜⪃࠼ࡽࢀࡿࢶࢶࢪ⛉ࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࢆྲྀࡾୖࡆ㸪ࡑࡢ✀ᏊⓎⱆࡢ㝿࡟ぢࡽࢀࡿඹ⏕⳦࡜ࡢ⯆࿡῝࠸㛵ಀᛶࢆ⤂௓ࡍࡿࠋ㸰㸬࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ ⳦ᚑᒓᰤ㣴᳜≀ࡢ௦⾲ⓗ࡞Ꮡᅾ࡜ࡋ࡚㸪ࣛࣥ⛉᳜≀࡟ᒓࡍࡿከࡃࡢ✀ࡀ▱ࡽࢀ࡚࠸ࡿࡀ㸪ࢶࢶࢪ⛉ࢩࣕࢡࢪࣙ࢘ࢯ࢘ள⛉㸦Monotropoideae㸧࡟ᒓࡍࡿࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡸࢠࣥࣜࣙ࢘ࢯ࢘ࡶ㸪ࡼࡃ▱ࡽࢀࡓ⳦ᚑᒓᰤ㣴᳜≀࡛࠶ࡿ㸦ᅗ2㸧ࠋ᳃ᯘࡢᯘᗋ࡟⏕⫱ࡋ㸪ࠕ⭉ⴥᅵࡢୖ࡟⏕࠼ࡿ⭉⏕᳜≀ࠖ࡞࡝࡜ᅗ㚷➼࡟グ㍕ࡉࢀ࡚ࡁࡓࡓ
ࡵ㸪ⴠⴥⴠᯞ࡞࡝ࡢศゎ≀࠿ࡽⅣỈ໬≀ࢆᚓ࡚⏕άࡋ࡚࠸ࡿ࢖࣓࣮ᅗ ࢩࣕࢡࢪࣙ࢘ࢯ࢘

ࢪࢆᣢࡓࢀ࡚࠸ࡓࡀ㸪㏆ᖺࡢDNAゎᯒࢆ⏝࠸ࡓ◊✲࡟ࡼࡗ࡚㸪ᙼࡽࡢ᰿࡟ᐃ╔ࡋ࡚࠸ࡿ⳦㸦⳦᰿⳦㸧ࡢ✀ྠᐃࡀ࡞ࡉࢀࡓࠋࡑࡢ⤖ᯝ㸪ࡇࢀࡽࡢ᳜≀ࡀ࿘ᅖࡢඃ༨ᶞᮌ✀ࡢ᰿࡟┦฼ඹ⏕ࡋ࡚࠸ࡿࠕእ⏕⳦᰿⳦ࠖ࡜⳦᰿ࢆᙧᡂࡋ࡚࠾ࡾ㸪ࡇࡢ⳦᰿⳦ࢆ⤒⏤ࡋ࡚ᶞᮌࡢගྜᡂ⏘≀ࢆᚓ࡚࠸ࡿࡇ࡜㸪ࡲࡓ㸪ࡑࡢᐤ⏕ᑐ㇟࡜࡞ࡗ࡚࠸ࡿ⳦ࡢ✀ࡀ㸪≉␗ⓗ࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗ࡚࠸ࡿ
㸦Smith & Read 2008㸧ࠋ᭷ࡾయ࡟ゝ࠼ࡤ㸪ⴥ⥳⣲ࢆᣢࡓ࡞࠸⤯ᑐⓗ⳦ᚑᒓᰤ㣴ᛶࡢࢩࣕࢡࢪࣙ࢘ࢯ࢘㢮ࡣ㸪⮬ࡽࡢ⏕㛗࡜✀Ꮚ⏕⏘࡟ᚲせ࡞≀㉁ࡢࡍ࡭࡚ࢆ㸪᰿࡟ᐃ╔ࡋ࡚࠸ࡿዲࡳࡢࡁࡢࡇࡢ⳦⣒ᅗ ᕥ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ྑୖࢥࣂࣀ࢖ࢳࣖࢡࢯ࢘ྑୗࢥ࢖ࢳࣖࢡࢯ࢘ࢆ㣗࡭࡚ࡲ࠿࡞ࡗ࡚࠾ࡾ㸪㛫᥋ⓗ࡟࿘ᅖࡢᶞᮌ࡟ᐤ⏕ࡋ࡚⏕ࡁ࡚࠸ࡿࡇ࡜࡟࡞ࡿࠋ ࡇࢀࡽ⤯ᑐⓗ⳦ᚑᒓᰤ㣴ᛶࡢࢩࣕࢡࢪࣙ࢘ࢯ࢘㢮࡟㏆⦕࡞᳜≀࡜ࡋ࡚㸪ྠࡌࢶࢶࢪ⛉ࡢࢩࣕࢡࢪࣙ࢘ࢯ࢘ள⛉࡟ᒓࡍࡿ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡀ▱ࡽࢀ࡚࠸ࡿ㸦ᅗ3, 4ᕥ㸧ࠋᙼࡽࡣከᖺ⏕ࡢᖖ⥳ⲡᮏ᳜≀࡛㸪ୡ⏺ⓗ࡟30✀⛬ᗘࡀ▱ࡽࢀ࡚࠾ࡾ㸪໭༙⌫ࡢ ᖏ࠿ࡽᴟᆅ࡟࠿ࡅ࡚ศᕸࡋ㸪ᇶᮏⓗ࡟᳃ᯘෆࡸᯘ⦕࡟⏕⫱ࡍࡿࠋࡑࡢ࠺ࡕ㸪ᮏ✏࡛୺࡟⤂௓ࡍࡿ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣ㸪ᯘᗋ࡛ẚ㍑ⓗ኱ࡁ࡞ࢥࣟࢽ࣮ࢆ
సࡗ࡚⩌⏕ࡍࡿ᳜≀࡛࠶ࡿ㸦ᅗ3㸧ࠋ᭱ึ࡟➹⪅ࡀࡇࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘࡟⯆࿡ࢆᣢࡗࡓࡢࡣ㸪ࡲࡔಟኈㄢ⛬ࡢᏛ⏕ࡢ㡭㸪ㄪᰝࡢྜ㛫࡟㸦᫬࡟ㄪᰝࡑࡗࡕࡢࡅ࡛㸧㸪㊃࿡ࡢࡁࡢࡇ⊁ࡾࢆࡋ࡚࠸ࡓ㝿࡛࠶ࡿࠋ⤒㦂ⓗ࡟ᙼࡽࡢࢥࣟࢽ࣮ࡢ୰࡛ࡣ㸪ࡁࡢࡇࡀ࠶ࡲࡾ⏕࠼࡚࠸࡞࠸ࡼ࠺࡟ឤࡌ࡚␲ၥ࡟ᛮࡗ࡚࠸ࡓࡢࡔࡀ㸪ᙜ᫬ࡣ⳦᰿ࡢ◊✲ࡣึࡵ࡚࠾ࡽࡎ㸪ࡇࡢ␲ၥ࡟㛵ࢃࡿ◊✲ࢆฟ᮶ࡿ࡜ࡣᛮࡗ࡚࠸࡞࠿ࡗࡓࠋࡲࡓ㸪ࡑࡢᙜ᫬ࡣࡇࢀࡽ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢ⳦᰿ࡸᰤ㣴ᛶ࡟ࡘ࠸࡚ࡢ◊✲ࡣ㸪࡯࡜ࢇ࡝࡞ࡉࢀ࡚࠸
࡞࠿ࡗࡓࠋࡋ࠿ࡋ㏆ᖺ㸪࡟ࢃ࠿࡟ὀ┠ࡀ㞟ࡲࡾጞࡵ㸪࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢぶಶయࡀసࡿ⳦᰿ࡀ㸪ࢩࣕࢡࢪࣙ࢘ࢯ࢘㢮࡜ྠᵝ࡟㸪࿘ᅖࡢᶞᮌ࡜ඹ⏕ࡋ࡚࠸ࡿእ⏕⳦᰿⳦࡟ࡼࡿࡶࡢ࡛࠶ࡿࡇ࡜㸪ࡲࡓ㸪ࢩ
Y. Hashimoto - 2

植物科学最前線 5:122 （2014）ࣕࢡࢪࣙ࢘ࢯ࢘㢮࡜ࡣ␗࡞ࡾ㸪ࡑࡢእ⏕⳦᰿⳦ࡢ✀ࡀ࠶ࡲࡾ≉␗ⓗ࡛ࡣ࡞࠸ࡇ࡜ࡀ᫂ࡽ࠿࡟࡞
ࡗ࡚ࡁࡓ㸦Tedersoo et al. 2007㸪
Zimmer et al. 2007㸪Hynson &Bruns 2009㸪Hashimoto et al. 2012㸧ࠋࡉࡽ࡟㸪ᙼࡽࡢⴥࡢᏳᐃྠ఩య
13C್࠿ࡽ⪃࠼ࡿ࡜㸪࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡣ᮲௳࡟ࡼࡗ࡚㸪࠶ࡿ⛬ᗘࡢⅣỈ໬≀ࢆ⳦᰿࠿ࡽᚓ࡚࠸ࡿ㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀࡛࠶ࡿྍ⬟ᛶࡀ㧗࠸࡜⪃࠼ࡽࢀ࡚࠸ᅗ ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢࢥࣟࢽ࣮㸦ᕥ㸧࡜⳦᰿㸦ྑୖ㸧࡜⳦᰿ࡢᶓ᩿㠃㸦ྑୗ⾲⓶⣽⬊ෆ࡟⳦⣒ࡀ㐍ධࡋ࡚࠸ࡿ㸧ࡿ㸦Tedersoo et al. 2007㸪Zimmer etal. 2007㸪Hynson & Bruns 2009㸧ࠋࡍ࡞ࢃࡕ㸪ᙼࡽࡣᚲせ࡜ࡍࡿᰤ㣴ศࡢ୍㒊ࢆ㸪᰿ࡢඹ⏕⳦ࢆ㣗࡭࡚ࡲ࠿࡞ࡗ࡚࠾ࡾ㸪㛫᥋ⓗ࡟ᶞᮌ࡟ᐤ⏕ࡋ࡚࠸ࡿࡇ࡜࡟࡞ࡿࠋࡓࡔࡋ㸪ࡇࢀࡀ࡝ࡢ⛬ᗘ࡞ࡢ࠿ࡣ᫂ࡽ࠿࡛ࡣ࡞࠸ࠋ ⴭ⪅ࡀ⌧ᅾ୺࡞ㄪᰝᆅ࡜ࡋ࡚࠸ࡿ໭ᾏ㐨ࡢᖏᗈᕷ࿘㎶࡛ࡣ㸪࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢ࠺ࡕ㸪ࡇࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡀ᭱ࡶ┠❧ࡘᏑᅾ࡛࠶ࡿࠋ࡯࠿࡟ࡶࢥࣂࣀ࢖ࢳࣖࢡࢯ࢘㸪ࢪࣥࣚ࢘࢖ࢳࣖࢡࢯ࢘㸪ࢥ࢖ࢳࣖࢡࢯ࢘࡞࡝ࡀᬑ㏻࡟ぢࡽࢀࡿ㸦ᅗ3㸪4㸪7㸧ࠋࡇࢀࡽࡢ✀ࡣ㸪ᒣ㛫㒊ࡢᶞ㱋ࡢ㧗࠸᳃ᯘ࡛ぢ࠿ࡅࡿࡇ࡜ࡶ࠶ࡿࡀ㸪࣐࢝ࣛࢶࡸࢺࢻ࣐ࢶ࡞࡝ࡢேᕤᯘࡸ㸪ࢩࣛ࢝ࣥࣂ࡞࡝ࡢ஧ḟᯘࡢᯘᗋ࡛㸪ࡑࡇࡀࢧࢧ࡟᏶඲࡟そࢃࢀ࡚࠸࡞࠸㝿ࡢඃ༨✀࡜ࡋ࡚ぢ࠿ࡅࡿࡇ࡜ࡀከ࠸ࠋᙼࡽࡣ㸪ᬯ࠸ᯘᗋࡢ⎔ቃ࡟㐺ᛂࡋ࡚࠾ࡾ㸪ᆅୗⱼࢆ౑ࡗ࡚⏕⫱ሙᡤࢆᗈࡆ㸪᮲௳ࡀྜ࠺࡜㦫ࡃ࡯࡝኱ࡁ࡞ࢥࣟࢽ࣮ࢆᙧᡂࡋ࡚㸪ึኟ࡟ࡣぢ஦࡞ⰼࢆဏ࠿ࡏ࡚࠸ࡿ㸦ᅗ7ྑ㸧ࠋࡕ࡞ࡳ࡟㸪ࡇࢀࡽ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡀඹ⏕⳦࡜ᙧᡂࡍࡿ⳦᰿ࡣ㸪௚ࡢከࡃࡢⲡᮏ᳜≀ࡀసࡿࢱ࢖ࣉࡢ⳦᰿㸦࢔࣮ࣂࢫ࣮࢟ࣗࣛ⳦᰿㸧࡜ࡣ␗࡞ࡗࡓᙧ≧ࡢ⳦᰿࡛࠶ࡿ㸦Massicotte et al. 2008㸧ࠋࡑࡢ୰࡛ࡶ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣẚ㍑ⓗࡋࡗ࠿ࡾࡋࡓ⳦㠧ࢆᣢࡘ⳦᰿ࢆᙧᡂࡍࡿࡇ࡜ࡀከ࠸㸦ᅗ4ྑୖୗ㸧ࠋ㸱㸬ᚤ⣽✀Ꮚ ⳦ᚑᒓᰤ㣴᳜≀ࡢࡘࡃࡿᚤ⣽✀Ꮚࡣ㸪ᩘ༑ಶࡢ⣽⬊࠿ࡽ࡞ࡿᑠࡉ࡞⬇࡜✀⓶ࡢࡳ࡛ᵓᡂࡉࢀ㸪Ⓨⱆࡢ㝿ࡢᰤ㣴※࡜࡞ࡿᏊⴥ࠶ࡿ࠸ࡣ⬇ஙࢆᣢࡗ࡚࠸࡞࠸ࡇ࡜ࡀ≉ᚩ࡜࡞ࡿ㸦ᅗ 1㸧ࠋࡑࡢࡓࡵ㸪ᑡ࡞ࡃ࡜ࡶⓎⱆࡢึᮇࡣ㸪እ㒊࠿ࡽᰤ㣴※ࢆ☜ಖࡋ࡞ࡅࢀࡤ㸪ࡑࡢⓎⱆ⏕㛗ࡢ㐣⛬ࢆ࠺ࡲࡃ㐍ࡵࡿࡇ࡜ࡀྔࢃ࡞࠸ࠋࡑࡋ࡚㸪ぶಶయࡀ⥳ࡢⴥࢆᣢࡕ⮬ࡽගྜᡂࢆ⾜ࡗ࡚࠸ࡿ᳜≀✀࡛࠶ࡗࡓ࡜ࡋ࡚ࡶ㸪ᚤ⣽✀Ꮚࢆసࡿ᳜≀ࡣ㸪Ⓨⱆ࠿ࡽⴥࢆ᏶ᡂࡍࡿࡲ࡛ࡢᗂಶయࡢ㛫ࡣ㸪⤯ᑐⓗ࡞⳦ᚑᒓᰤ㣴᳜≀࡜ࡋ࡚⏕άࡋ࡚࠸ࡿࡇ࡜࡟࡞ࡿࠋ ࡇࡢᚤ⣽✀Ꮚࡣ㸪ᰤ㣴※ࢆእ㒊࡟㢗ࡗ࡚࠸ࡿࡇ࡜࠿ࡽ㸪ಶࠎࡢ✀ᏊࡢⓎⱆᡂຌ⋡ࡀప࠸࡜ண᝿ࡉࢀࡿࠋࡋ࠿ࡋぢ᪉ࢆኚ࠼ࡿ࡜㸪ᑗ᮶࡟ࢃࡓࡗ࡚ᰤ㣴ࢆ౫Ꮡࡍࡿᐤ⏕ᑐ㇟ࢆ㸪ึᮇࡢ⏕㛗㛤ጞ᫬Ⅼ࡛㸪☜ᐇ࡟☜ಖࡋ࡚࠸ࡿ࡜ࡶ⪃࠼ࡽࢀࡿࠋࡉࡽ࡟㸪ᚤ⣽✀Ꮚࡢ⏕⏘ࡣ㸪㸯⢏࠶ࡓࡾࡢࢥࢫࢺࡀ᭱ᑠ㝈࡟ᢚ࠼ࡽࢀࡿࡇ࡜࠿ࡽ㸪ྠࡌࢥࢫࢺ࡛኱㔞ࡢ✀Ꮚࡢ⏕⏘ࡀྍ⬟࡜࡞ࡾ㸪ᩘ༓࠿ࡽ୓༢఩ࡢ✀Ꮚࡀぶ᳜≀㸯ಶY. Hashimoto - 3

植物科学最前線 5:123 （2014）య࠿ࡽ⏕⏘ࡉࢀࡿࠋࡇࢀࡽࡢᚤ⣽✀Ꮚࡀぶ࠿ࡽᨺฟࡉࢀࡓᚋࡣ㸪ࡑࡢ㍍ࡉࢆ⏕࠿ࡋ࡚㸪㢼ࡸỈࡢὶࢀ࡟஌ࡗ࡚ᗈࡃศᩓࡍࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࠋࡲࡓ㸪ࡇࢀࡽࡢ✀Ꮚࡣ㸪ᅵተ୰࡛ࢩ࣮ࢻࣂࣥࢡ࡜ࡋ࡚ẚ㍑ⓗ㛗ᮇ࡟Ⓨⱆࡢᶵ఍ࢆᚅࡘࡇ࡜ࡀྍ⬟࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋࡑࡢࡓࡵ㸪᳜≀✀࡜ࡋ࡚ࡢ༑ศ࡞Ⓨⱆᡂຌ࡜㸪ศᕸᣑ኱ࡢྍ⬟ᛶࡀᢸಖࡉࢀ࡚࠸ࡿ࡜ぢࡽࢀࡿ㸦Bruns & Read 2000㸧ࠋࡇࡢⓎⱆࡢᡂຌࡣࡑࡢᰤ㣴※ࡢ☜ಖࡢᡂྰ࡟࠿࠿ࡗ࡚࠸ࡿ࡜⪃࠼ࡽࢀ㸪⳦ᚑᒓᰤ㣴᳜≀࡛࠶ࢀࡤ㐺ษ࡞ඹ⏕⳦ࡢ☜ಖࢆព࿡ࡍࡿࠋ㸲㸬ᚤ⣽✀ᏊࡢⓎⱆ᫬ࡢඹ⏕⳦ ᚤ⣽✀Ꮚࡀぶ࠿ࡽᨺࡓࢀ࡚᭱⤊ⓗ࡟ⴠࡕࡿ᳃ᯘࡸࡑࡢ࿘㎶ࡢᅵተ୰࡟ࡣ㸪ᩘከࡃࡢከᵝ࡞⳦㢮ࡀ⏕ᜥࡋ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋࡇࢀࡽ⳦ᚑᒓᰤ㣴᳜≀ࡢ✀ᏊࡢⓎⱆ࡛ࡣ㸪ࡑࡢ᳜≀✀ࡈ࡜࡟ࡇࡢከᵝ࡞⳦ࡢ୰࠿ࡽ㸪࠶ࡿ≉ᐃࡢ⳦ࢆ✀࣭ᒓ࣭⛉࡞࡝ࡢ࡛ࣞ࣋ࣝ㑅ࢇ࡛ඹ⏕⳦࡜ࡋ࡚࠸ࡿ࡜⪃࠼ࡽࢀ࡚࠸ࡿ㸦Smith& Read 2008㸧ࠋࡍ࡞ࢃࡕ㸪ࡑࡢ✀Ꮚࡀⴠࡕࡿሙᡤ࡟┦ᛶࡢⰋ࠸⳦ࡀᏑᅾࡍࡿࡇ࡜ࡀ㸪Ⓨⱆ࠿ࡽᐃ╔ᡂຌࡢᚲ㡲᮲௳࡟࡞ࡿࠋ ᚤ⣽✀ᏊⓎⱆࡢ㝿ࡢඹ⏕⳦ࢆ᫂ࡽ࠿࡟ࡍࡿࡓࡵࡢⓎⱆᐇ㦂ࡣ㸪୺࡟ࣛࣥ⛉᳜≀ࡸࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫ࡢ✀Ꮚࢆᑐ㇟࡟⾜ࢃࢀ࡚࠾ࡾ㸪≉࡟ࣛࣥ⛉᳜≀࡟㛵ࡋ࡚ࡣ㸪᳜≀⑓ཎ⳦࡜ࡋ࡚▱ࡽࢀࡿ୙᏶඲⳦㢮ࡢࣜࢰࢡࢺࢽ࢔ᒓ⳦ࡀ㸪Ⓨⱆࡢ㝿ࡢඹ⏕⳦࡜ࡋ࡚ẚ㍑ⓗ᪩ࡃ࠿ࡽ▱ࡽࢀ࡚࠸ࡿࠋ
ࡋ࠿ࡋ㏆ᖺ࡛ࡣ㸪ࡑࡢࣜࢰࢡࢺࢽ࢔ᒓ⳦ࡀ」ᩘࡢ⣔⤫࡟ࡲࡓࡀࡗࡓ㞟ྜయ࡛࠶ࡿࡇ࡜ࡸ㸪ࣜࢰࢡࢺࢽ࢔ᒓ⳦࡟ࡣྵࡲࢀ
࡞࠸⳦ࡶࣛࣥࡢඹ⏕⳦࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡜࡞ࡾ㸪ࡉࡽ࡟㸪Ⓨⱆ᫬ࡢඹ⏕⳦ࡶከᵝ࡛࠶ࡿࡇ࡜ࡀุ᫂
ࡋ࡚ࡁ࡚࠸ࡿ㸦Smith & Read 2008, Yukawa et al. 2009㸧ࠋࡲࡓࣛࣥࡢሙྜ㸪Ⓨⱆࡢ㝿ࡢඹ⏕⳦ࡣ㸪ぶಶయ࠿ࡽ᳨ฟࡉࢀࡿ⳦࡜୍⮴ࡋ࡚࠸ࡿࡇ࡜ࡀከ࠸ࡼ࠺࡛࠶ࡿ㸦኱࿴࣭㇂ட 2009㸧ࠋࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫࡛ࡶ㸪Ⓨⱆ࠿ࡽぶಶయࡢ⳦᰿ࡲ࡛㸪ྠࡌ✀㢮ࡢ⳦ࡀࡘ࠸࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿ㸦Bruns & Read 2000㸪
Leake et al. 2004㸪Yamada et al. 2008㸧ࠋ ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢ✀ᏊⓎⱆ࡟㛵ࡍࡿ◊✲ࡣ㸪༙ୡ⣖๓ࡢྂ඾ⓗ࡞◊✲ࡢ౛ࡀ࠶ࡿࡔࡅ࡛㸪ࡈࡃ᭱㏆ࡲ࡛࡯࡜ࢇ࡝ሗ࿌ࡀ࡞ࡉࢀ࡚࠸࡞࠿ࡗࡓࠋࡇࢀࡣ㸪◊✲ࡀ⾜ࢃࢀ࡚࠸࡞࠿ࡗࡓヂ࡛ࡣ࡞ࡃ㸪ࡑࡢⓎⱆࢆぢ࠸ࡔࡍࡇ࡜ࡀ㸪࡞࠿࡞࠿ฟ᮶࡞࠿ࡗࡓࡇ࡜ࡀཎᅉ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿ㸦Smith & Read 2008㸪
Hynson et al. 2009㸧ࠋࡑࡋ࡚ࡇࡢⓎⱆࡢᕼᑡᛶࡀ㸪࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢ⏕ែ࡟㸪࡝ࡢࡼ࠺࡟㛵ࢃࡗ࡚࠸ࡿࡢ࠿⯆࿡ࡀᣢࡓࢀ࡚ࡁࡓࠋ≉࡟㸪ࡇࢀࡽ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡣ㸪⤯ᑐⓗ࡞⳦ᚑᒓᰤ㣴ᛶࡢࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫࡜㠀ᖖ࡟㏆⦕࡛࠶ࡿࡓࡵ㸪ࡇࢀࡽࡢ᳜≀ࡀࡑࡢ㐍໬ࡢ㐣⛬࡛࡝ࡢࡼ࠺࡟⳦ᚑᒓᰤ㣴ᛶࢆ⋓ᚓࡋ࡚ࡁࡓࡢ࠿ࢆ⪃࠼ࡿୖ࡛㸪ᚲせ࡞᝟ሗ࡛࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋࡉࡽ࡟㸪๓㏙ࡢࡼ࠺࡟࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢぶಶయࡀసࡿ⳦᰿ࡣ㸪እ⏕⳦᰿⳦࡟ࡼࡿࡶࡢ࡛㸪ࡑࡢ⳦࡟≉␗ᛶࡀ࡞࠸࡜ࡢሗ࿌ࡀ࡞ࡉࢀ࡚࠸ࡿࠋࡑࡢࡓࡵ㸪ࡇࢀࡽ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢⓎⱆࡣ㸪ࣛࣥ⛉ࡸࢩࣕࢡࢪࣙ࢘ࢯ࢘㢮࡞࡝࡜ྠࡌࡼ࠺࡟㸪࠶ࡿ⛬ᗘ≉␗ⓗ࡞⳦ࡀඹ⏕⳦࡜࡞ࡗ࡚࠸ࡿࡢ࠿㸪ࡶࡋࡃࡣぶಶయࡢ⳦᰿࡜ྠࡌࡃ㸪ከᵝ࡞⳦࡜ඹ⏕㛵ಀࢆ⤖ࢇ࡛Ⓨⱆࡍࡿࡇ࡜ࡀྍ⬟࡞ࡢ࠿㸪୍ᒙ⯆࿡ࡀࡶࡓࢀࡿࡼ࠺࡟࡞ࡗࡓࠋࡇࡢࡼ࠺࡞⫼ᬒ࠿ࡽ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࢆᑐ㇟࡟㸪ᙼࡽࡢ✀Ꮚࡀ࡝ࡢࡼ࠺࡞᮲௳࡛Ⓨⱆࡋ㸪࡝ࡢࡼ࠺࡞⳦ࡀⓎⱆࡢ㝿ࡢඹ⏕⳦࡜࡞ࡗ࡚࠸ࡿࡢ࠿ࢆゎ᫂ࡍࡿ࡭ࡃㄪᰝࢆ⾜ࡗࡓ㸦Hashimoto et al. 2012㸧
ࠋY. Hashimoto - 4

植物科学最前線 5:124 （2014）㸳㸬࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆㄪᰝ ᚤ⣽✀Ꮚࢆసࡿ᳜≀ࡢⓎⱆࢆᑐ㇟࡜ࡋࡓㄪᰝࡣ㸪㠀ᖖ࡟┠ࡢ⣽࠿࡞ࢼ࢖ࣟࣥࢿࢵࢺ࡞࡝࡟✀Ꮚࢆධࢀ࡚┠ᫍࢆ௜ࡅࡓሙᡤࡢᅵተ୰࡟ᇙࡵ࡚㸪୍ᐃᮇ㛫ᚋ࡟᥀ࡾฟࡍ᪉ἲࡀ⏝࠸ࡽࢀ࡚࠸ࡿ㸦Rasmussen& Whigham 1998, ㎷⏣࣭㐟ᕝ 2008㸧ࠋ᭱ࡶ୍⯡ⓗ࡞ࡢࡣ㸪ࣇ࢕࣒ࣝ෗┿ࡢࢫࣛ࢖ࢻ⏝࣐࢘ࣥࢺ࡟✀Ꮚධࡾࢿࢵࢺࢆᤄࢇ࡛సࡗࡓ✀Ꮚࣃࢵࢡࢆᅵተ࡟ᇙࡵࡿ᪉ἲ࡛࠶ࡿ㸦ᅗ 5㸧ࠋࡇࢀࡽࡢ᪉ἲࡣ㸪ࣛࣥࡸࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫ࡢ✀Ꮚࢆᑐ㇟࡟ᡂᯝࢆ࠶ࡆ㸪Ⓨⱆ࡟࠿࠿ࡿ᫬㛫ࡸ㸪ᚲせ࡞᮲௳㸪≉࡟ඹ⏕⳦ࡢ✀ࢆ▱ࡿࡢ࡟᭷ຠ࡛࠶ࡿࠋ ࡇࡢᡭἲࢆ⏝࠸࡚㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢ✀ᏊࡢⓎⱆㄪᰝࢆ㛤ጞࡋࡓࠋࡣࡌࡵࡣ᭱ࡶࡓࡃࡉࢇࡢ✀ᏊࡀᏑᅾࡍࡿ࡜⪃࠼ࡽࢀࡿぶ᳜≀ࡀከࡃぢࡽࢀࡿ᳃ᯘࡢࢥࣟࢽ࣮ෆࡸ㸪ࡑࡢ࿘㎶࡟✀Ꮚࣃࢵࢡࢆᇙ
ࡵ࡚ᵝᏊࢆぢࡿࡇ࡜࡟ࡋࡓࠋࡋ࠿ࡋ㸪᥀ࡾฟࡋࡓࣃࢵࢡ࠿ࡽࡣ඲ࡃⓎⱆࡣぢࡽࢀ࡞࠿ࡗࡓࠋࡑࢀ௨㝆㸪ᇙࡵࡿሙᡤ㸪῝ࡉ㸪ᮇ㛫㸪ඖࠎᅗ ᚤ⣽✀Ꮚࡢᇙタᐇ㦂࡟⏝࠸ࡓ✀Ꮚࣃࢵࢡ࡜㸦ྑ㸧㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘✀Ꮚ㸦ᕥ㸧㻌ࡢ✀Ꮚࡢ㉁࡞࡝㸪⪃࠼ࡽࢀࡿ࠸ࢁ࠸ࢁ࡞せᅉࢆ₽ࡍࡼ࠺࡟㸪࠶ࡕࡇࡕ࡟✀Ꮚࣃࢵࢡࢆᇙࡵ࡚᥀ࡾฟࡍ࡜࠸࠺⾜Ⅽࢆ⧞ࡾ㏉ࡋࡓࠋᇙࡵࡓሙᡤࡣ㸪ᶞ✀ࡢ㐪࠺ྛ᳃ᯘෆࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢࢥࣟࢽ࣮ෆ㒊ࡸࡑࡢ࿘㎶㸪ᯘ⦕㸪᳃ᯘ࡟㠃ࡋࡓ᧠஘ᆅ㸪∾ⲡᆅ࡞࡝㸪࿘㎶࡟࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡀ⏕⫱ࡋ࡚࠾ࡾ㸪ᙼࡽࡢᑠࡉ࡞✀Ꮚࡀ㣕ࡪྍ⬟ᛶࡀ⪃࠼ࡽࢀࡿሙᡤࢆᵝࠎヨࡋ࡚ࡳࡓ㸦⾲ 1㸪ᅗ 7㸧ࠋ ᭱ึ࡟Ⓨⱆࢆほᐹฟ᮶ࡓࡢࡣ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢ⩌ⴠෆ࡛ࡶ㸪᳃ᯘෆ࡛ࡶ࡞ࡃ㸪኱Ꮫࡢᰯ⯋ࡢᒇୖ࡟ᨺ⨨ࡋࡓ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘࡜ࢩࣛ࢝ࣥࣂࡢⱑᮌࢆ᳜࠼ࡓ௚ࡢᐇ㦂⏝࡟సࡗࡓࣉࣛࣥࢱ࣮ࡢᅵࡢ୰࡟ணഛⓗ࡟ᇙࡵࡓࣃࢵࢡ࠿ࡽ
࡛࠶ࡗࡓࠋࡇࢀࡀ 2 ᖺ┠ࡢฟ᮶஦࡛㸪௨㝆㸪ࣃࢵࢡࡢᇙタሙᡤࢆ㸪Ⓨⱆࡀほᐹࡉࢀࡓࣉࣛࣥࢱ࣮࡜᮲௳ࡀఝ࡚࠸ࡿ࡜ᛮࢃࢀࡿ㸪ࢩࣛ࢝ࣥࣂᐇ⏕ࡢ⏕࠼ࡓఆ᥇㊧ᆅ㸪㐨㊰⬥ࡢἲ㠃ࡸ㸪࠿ࡃ஘ࢆཷࡅࡓᯘ⦕㒊࡞࡝㸪ᛮ࠸ࡘࡃሙᡤ࠶ࡕࡇࡕ࡟ᇙࡵ࡚ᅇࡗࡓࠋࡑࢀ࡛ࡶ㸪ࡑࡢᚋ㸰ᖺ㛫඲ࡃⓎⱆࡣぢࡽࢀࡎ㸪᭱ᚋ࡜Ỵࡵ࡚ᮃࢇࡔ 5 ᖺ┠࡟㸪ࡸࡗ࡜ 3 ࢝ᡤࡢⱝ㱋ࡢ࢝ࣂࣀ࢟஧ḟᯘ࡛㸪ࡲ࡜ࡲࡗࡓⓎⱆࢆほᐹࡍࡿࡇ࡜ࡀฟ᮶ࡓࠋ⤖ᒁ㸪Ⓨⱆࡀほᐹࡉࢀࡓࡢࡣ㸪ࡣࡌࡵ࡟Ⓨⱆࢆほᐹࡋࡓࢩࣛ࢝ࣥࣂⱑᮌ࡜࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘
ࢆ࡜ࡶ࡟᳜࠼ࡓࣉࣛࣥࢱ࣮ࡢ 1 ࡘ࡜㸪ᶞ㱋ࡀ⣙ 15 ᖺ⛬ᗘ࡜᥎ ࡉࢀࡿࢩࣛ࢝ࣥࣂࡶᅗ ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆ✀ᏊࠋᕥୖⓎⱆࡢጞࡲࡗࡓ✀Ꮚ࡜ᮍⓎⱆ✀Ꮚ㸦EDU㸸PP⾲㠃࡟ぢ࠼ࡿ㯮Ⰽ⳦⣒ࡣⓎⱆඹ⏕⳦ࡢࡶࡢ࡛ࡣ࡞ࡃᅵተ୰ࡢ⭉⏕ᛶࡢ⳦ࡢ⳦⣒㸧ࠋྑᮍⓎⱆ✀Ꮚ࡜Ⓨⱆẁ㝵ࡢ␗࡞ࡿⓎⱆ✀Ꮚ㸦EDU㸸PP㸧ࠋᕥୗᰁⰍࡋࡓⓎⱆ✀Ꮚ⣽⬊ෆࡢ⳦⣒㸦EDU㸸wP㸧ࡋࡃࡣࢲࢣ࢝ࣥࣂࡢⱝ㱋ᯘࡢ 3 ࢝ᡤࡔࡅ࡛࠶ࡿࠋࡑࢀ௨እࡢᇙタሙᡤ࠿ࡽࡣ㸪᫂☜࡟Ⓨⱆࡋ࡚࠸ࡿ࡜ぢ࡞ࡏࡿ✀⓶ࢆ✺ࡁᢤࡅ࡚⏕㛗ࡋ࡚࠸ࡿᐇ⏕ࡣほᐹࡉࢀ࡞࠿ࡗࡓ㸦ᅗ 6㸧ࠋᇙタࡋࡓ✀Ꮚࣃࢵࢡࡣ㸪ண
Y. Hashimoto - 5

植物科学最前線 5:125 （2014）ഛⓗ࡟ᇙࡵࡓࡶࡢࢆ㝖࠸࡚ྜィ 990 ࣃࢵࢡ࡛㸪
ࡑࡢ࠺ࡕⓎⱆࡀぢࡽࢀࡓࡢࡣ 74 ࣃࢵࢡ࡛࠶ࡗࡓ
㸦⾲ 1㸧ࠋ
਀1 ঋॽংॼॖॳখॡ९क़ர৕॑োोञঃॵॡभඇਝৃਚध໧ॉলखञர৕ঃॵॡभ৅࿈૨ඇਝৃਚ

રಚ౴ரध௔ೡಉঋॽংॼॖॳখॡ९क़भથ૮धে୘૾ய

ඇਝர৕ঃॵॡਯ

৅࿈ঃॵॡਯध
৅࿈૨ (%)

ढ़ছঐॶযੵ௔

৺50 ফেढ़ছঐॶቬాपে୘‫ق‬॥টॽ‫ش‬஄ਛ‫ك‬900ढ़ছঐॶযੵ௔

৺50 ফেढ़ছঐॶቬాपে୘‫ق‬॥টॽ‫ش‬஄ਛ‫ك‬1000ढ़ছঐॶযੵ௔

৺50 ফেढ़ছঐॶቬాपে୘‫ق‬॥টॽ‫ش‬஄ਛ‫ك‬600३ছढ़থং੸ઃ௔

৺50 ফে३ছढ़থংቬాपে୘‫ق‬পऌऩ॥টॽ‫ش‬஄ਛ‫ك‬500ॺॻঐॶযੵ௔

৺40 ফেॺॻঐॶ

ቬాपে୘‫ق‬॥টॽ‫ش‬஄ਛ‫ك‬500३ছढ़থংযੵ௔

৺15 ফে३ছढ़থং

ऽयैपে୘

150

45 (2.4)

ฝൃ৉ऩख

ऩख

200

௔໿भ࿿એऩख

ऩख

200

ᅇ఼඄৉

ऩख

ऩख

200

௔෍भ࿿એ

৺3 ফেॲॣढ़থং

ऩख

600

ᅇ఼඄৉

৺5 ফেॲॣढ़থং

ऩख

600

௔෍भ࿿એ

৺5 ফেॺॻঐॶध॔ढ़ग़॰ঐॶ

ቬాपে୘‫ق‬৵औऩ॥টॽ‫ش‬஄ਛ‫ك‬

200

௔෍भ࿿એ

৺5 ফেॺॻঐॶध॔ढ़ग़॰ঐॶ

ቬాपে୘‫ق‬৵औऩ॥টॽ‫ش‬஄ਛ‫ك‬100௔੊෍भ૬ऌ৉

৺3 ফে३ছढ़থং

ऩख

600

௔੊෍भ૬ऌ৉

৺3 ফেॲॣढ़থং

ऩख

600

३ছढ़থং੸ઃ௔

৺15 ফে३ছढ़থং

ऽयैपে୘

75

16 (1.0)ॲॣढ़থং੸ઃ௔

৺15 ফেॲॣढ़থংध঑খঐঁথঀय़

ऽयैपে୘

75

10 (2.1)

ৰୡ৷উছথॱ‫ش‬

3 ফেढ़ছঐॶ၈਽

ढ़ছঐॶ௔ऊै఼਄‫ڱعگ‬ট८ॵॺ

50ৰୡ৷উছথॱ‫ش‬

3 ফে३ছढ़থং၈਽

ढ़ছঐॶ௔ऊै఼਄‫ڱعگ‬ট८ॵॺ53 (11.9)* ඇਝखञர৕ঃॵॡभअठ৅࿈ऋৄैोञঃॵॡभસ়‫؛‬ถ಍मHashimoto et al. 2012 ૞ස ࡇࡢ⤖ᯝ࠿ࡽ⪃࠼ࡽࢀࡿࡢࡣ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆࡣ㸪ᅵተ୰࡛ᑡ࡞ࡃ࡜ࡶ 5 ࣨ᭶⛬ᗘ࠶ࢀࡤ㉳ࡇࡿྍ⬟ᛶࡀ࠶ࡿࡇ࡜㸪ᅵተ୰࡛෤ᮇࢆ㉺ࡍᚲせࡣ࡞࠸ࡇ࡜㸪ࡲࡓ㸪ᅵተ୰࡛ࡢⓎⱆࡢ㝿࡟㸪࢝ࣥࣂࡢ௰㛫ࡢ≉࡟ⱝ㱋ࡢಶయࡢᏑᅾ࡜㸪ᡂ⇍ᯘ࡯࡝࡛ࡣ࡞࠸ࡀ࠶ࡿ⛬ᗘ᭷ᶵ≀ࡢሁ✚ࡋࡓᅵተࡢᏑᅾࡀᚲせࡶࡋࡃࡣఱࡽ࠿ࡢᘬࡁ㔠࡟࡞ࡿࡇ࡜࡛࠶ࡗࡓࠋ≉࡟⯆࿡῝࠸ࡢࡣ㸪ぶಶయࡀ᪲┒࡟⏕⫱ࡋ࡚኱ࡁ࡞ࢥࣟࢽ࣮ࢆసࡾ㸪ከࡃࡢ✀Ꮚࡀᙧᡂࡉࢀ࡚࠸ࡿሙᡤ࡛ࡶ㸪඲ࡃⓎⱆࢆほᐹฟ᮶࡞࠿ࡗࡓࡇ࡜࡛࠶ࡿ㸦ᅗ 7㸧ࠋࣃࢵࢡ࡟ධࢀࡓ✀Ꮚࡣࡇࢀࡽࡢሙᡤ࠿ࡽ᥇ྲྀࡋ࡚࠸ࡿ࡟ࡶ㛵ࢃࡽࡎ㸪࡛࠶ࡿࠋᅗ ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘✀Ꮚࣃࢵࢡᇙタᆅࠋᕥ✀ᏊⓎⱆࡀぢࡽࢀࡓⱝ㱋ࢩࣛ࢝ࣥࣂ஧ḟᯘࠋྑ✀ᏊⓎⱆࡀぢࡽࢀ࡞࠿ࡗࡓࢺࢻ࣐ࢶேᕤᯘࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢࢥࣟࢽ࣮㸦ⰼᮇ㸧ࡲࡓ㸪࣐࢝ࣛࢶᯘ㸪ࢺࢻ࣐ࢶᯘࡔࡅ࡛࡞ࡃ㸪ࢩࣛ࢝ࣥࣂᡂ⇍ᯘࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢࢥࣟࢽ࣮ෆ࡛ࡶ㸪✀Ꮚࣃࢵࢡࢆ 50 ಶᇙࡵࡓࡀ㸪Ⓨⱆࡣࡲࡗࡓࡃほᐹࡉࢀ࡞࠿ࡗࡓࠋࡉࡽ࡟㸪Ⓨⱆࡀぢࡽࢀࡓࢩࣛ
࢝ࣥࣂⱝ㱋ᯘෆ࡛ࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ぶಶయࡢ⏕⫱ሙᡤ࡜㸪Ⓨⱆࡀぢࡽࢀࡓ✀Ꮚࣃࢵࢡࡢᇙタሙᡤࡢ㛫࡟ព࿡ࡢ࠶ࡿ㛵ಀᛶࡣ࡞ࡃ㸪ᯘෆ࡛ࣞ࣋ࣝࡶⓎⱆࡢ㉳ࡇࡿせᅉ࡜ࡋ࡚ࡢぶಶయࡢᏑᅾࡣᚲせ࡞᮲௳࡜ࡣゝ࠼࡞࠸ࡼ࠺ࡔࡗࡓࠋࡘࡲࡾ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢᚤ⣽✀ᏊࡢⓎⱆࡣ㸪ぶࡢᏑᅾ㸪ࡶࡋࡃࡣぶࡢ᰿࡟ࡘ࠸࡚࠸ࡿ⳦ࡢᏑᅾ࡜ࡣ㛵ಀࡀ࡞ࡃ㉳ࡁ࡚࠸ࡿ࡜࠸࠺ࡇ࡜࡟࡞ࡿࠋࡇࢀࡣ㸪ᙼࡽ࡟㏆⦕࡞⤯ᑐⓗ⳦ᚑᒓᰤ㣴᳜≀ࡢࢩࣕࢡࢪࣙ࢘ࢯ࢘ࡢ௰㛫࡛▱ࡽࢀ࡚࠸ࡿⓎⱆᐇ㦂ࡢ⤖ᯝ࡜ࡣ␗࡞ࡿࡶࡢ࡛
࠶ࡗࡓ㸦Leake et al. 2004㸧
ࠋ
Y. Hashimoto - 6

植物科学最前線 5:126 （2014）㸴㸬࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘✀ᏊࡢⓎⱆඹ⏕⳦ ࡑࢀ࡛ࡣ㸪௒ᅇぢࡽࢀࡓⓎⱆ✀Ꮚࡢඹ⏕⳦ࡣ࠸࠿࡞ࡿ✀㢮࡛࠶ࢁ࠺࠿㸦ᅗ 6 ᕥୗ㸧ࠋⓎⱆࡀほᐹࡉࢀࡓࣉࣛࣥࢱ࣮࡜㸪㸱࢝ᡤࡢⱝ㱋࢝ࣂࣀ࢟ᯘ࠿ࡽᚓࡽࢀࡓⓎⱆ✀Ꮚ࠿ࡽ DNA ࢆᢳฟࡋ࡚㸪Ⓨⱆ࡟㛵ࢃࡗ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿ⳦ࡢ rDNA ࡢ ITS 㡿ᇦ࡜ 28S ࡢ୍㒊ࢆቑᖜࡋ࡚㸪ࡑࡢ⳦ࡢ✀ྠᐃࢆヨࡳࡓࠋࡑࡢ⤖ᯝ㸪ࣛࣥࢲ࣒࡟㑅ࢇࡔ 34 ࡢⓎⱆᐇ⏕ࡢࡍ࡭࡚࠿ࡽ㸪ᢸᏊ⳦㢮ࡢࣟ࢘ࢱࢣ⛉㸦Sebacinaceae㸧ࣟ࢘ࢱࢣᒓ㸦Sebacina㸧ࡢ Sebacina vermifera ࡟ࡈࡃ㏆⦕ࡢ⳦ࡔࡅࡀ᳨ฟࡉࢀ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆࡢඹ⏕⳦ࡀ≉␗ⓗ࡛࠶ࡿྍ⬟ᛶࡀ♧ࡉࢀࡓ㸦Hashimoto et al. 2012㸧ࠋ≉࡟㸪㸱࢝ᡤࡢⱝ㱋࢝ࣂࣀ࢟ᯘ
ࡢෆࡢ 1 ࢝ᡤࡣ㸪௚ࡢ 2 ࢝ᡤ࡜⣙ 90km 㞳ࢀࡓ࡜ࡇࢁ࡟఩⨨ࡋ࡚࠾ࡾ㸪ࡲࡓ㸪ᚋ᪥㏣ຍ࡛✀Ꮚࣃࢵࢡࢆᇙࡵ㸪᪂ࡓ࡟᥇ྲྀࡋࡓⓎⱆᐇ⏕ࡢ☜ㄆࢆ⾜ࡗ࡚ࡶ㸪౪ヨࡋࡓࡍ࡭࡚ࡢᐇ⏕࠿ࡽྠࡌ⳦ࡢ DNA ࡀ᳨ฟࡉࢀࡓࡓࡵ㸪ࡇࡢ⳦ࡀ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆ࡟ᙉࡃ㛵ࢃࡗ࡚࠸ࡿ⳦࡛࠶ࡿࡇ࡜ࡣ㛫㐪࠸࡞࠸࡜⪃࠼ࡽࢀࡿࠋࡉ࡚㸪ࡇࡢࣟ࢘ࢱࢣᒓࡢ⳦㸦ࡇࢀࡽࡢ⳦ࡣศ㢮Ꮫⓗぢ┤ࡋࡀ⾜ࢃࢀ࡚࠾ࡾ㸪ᑗ᮶ⓗ࡟✀ྡࡸᒓྡࡢኚ᭦ࡀ⾜ࢃࢀࡿྍ⬟ᛶࡀ㧗࠸㸧ࡀྵࡲࢀࡿࡢࡣ㸪ࣟ࢘ࢱࢣࡢ௰㛫ࡢ୰࡛ࡶ㸪୺࡟ᶞᮌࡢ᰿࡜ඹ⏕ࡍࡿእ⏕⳦᰿⳦࡜ࡋ࡚ぢࡘ࠿ࡿࢢ࣮ࣝࣉ࡛ࡣ࡞ࡃ㸪⭉⏕⳦㸦ศゎ⳦㸧ࡸ᳜≀ࡢෆ⏕⳦࡜ࡋ࡚ぢࡘ࠿ࡿࢢ࣮ࣝࣉ㸦Sebacinales ࡢ clade B㸧ࡢ⳦࡛࠶ࡗࡓࠋࡍ࡞ࢃࡕ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣ㸪⏕㛗ࡋࡓᚋ࡟ඹ⏕ࡋ࡚࠸ࡿእ⏕⳦᰿⳦࡜ࡣ␗࡞ࡿ⏕άᵝᘧࡢ⳦ࢆ㸪Ⓨⱆࡢ㝿ࡢඹ⏕⳦࡜ࡋ࡚࠸ࡿࡇ࡜࡟࡞ࡿࠋࡲࡓ㸪ࡉࡽ࡟⯆࿡῝࠸ࡢࡣ㸪௒ᅇ≉␗ⓗ࡟Ⓨⱆᐇ⏕࠿ࡽ᳨ฟࡉࢀࡓࣟ࢘ࢱࢣᒓࡢ⳦ࡣ㸪୺࡟࣮࢜ࢫࢺࣛࣜ࢔࡛⮬⏕ࡍࡿ 1 ࢢ࣮ࣝࣉࡢࣛࣥ㸦Diuris 㐃㸧ࡢ✀ᏊⓎⱆࡢඹ⏕⳦࡜ࡋ࡚▱ࡽࢀ࡚࠸ࡿ⳦ࡔࡗࡓࡇ࡜࡛࠶ࡿ㸦Warcup 1971㸪Yagame & Yamato 2008㸧ࠋ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡣ໭༙⌫ࡢࡳ࡟⏕⫱ࡍࡿ᳜≀࡛࠶ࡾ㸪ᆅ⌮ⓗ࡟㠀ᖖ࡟㞳ࢀࡓሙᡤ࡛␗࡞ࡿ⳦ᚑᒓᰤ㣴᳜≀ࡀ㸪ྠࡌ⭉⏕ᛶࡢࣟ࢘ࢱࢣᒓࡢ⳦ࢆⓎⱆඹ⏕⳦࡟㑅ࡪ㸪཰ᩡ㐍໬ࡀ㉳ࡇࡗࡓྍ⬟ᛶࡶ⪃࠼ࡽࢀࡿࠋ࡞ࡐ≉ᐃࡢ⭉⏕ᛶࣟ࢘ࢱࢣᒓ⳦ࡀ㸪⳦ᚑᒓᰤ㣴ᛶࡢ✀ᏊⓎⱆࡢඹ⏕⳦࡜ࡋ࡚㸪␗࡞ࡿࢢ࣮ࣝࣉࡢ᳜≀࡟᥇⏝ࡉࢀࡓࡢ࠿ࡣ㸪⳦ᚑᒓᰤ㣴᳜≀ࡢ㐍໬ࡸ⏕⌮ᶵᵓࢆ⪃࠼ࡿୖ࡛㸪㘽࡜࡞ࡿせᅉ࠿ࡶࡋࢀ࡞࠸ࠋ㸵㸬ඹ⏕⳦ࡢ஌ࡾ᥮࠼ ୖグࡢࡼ࠺࡟㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆࡢඹ⏕⳦ࡣ㸪እ⏕⳦᰿ᛶ࡛ࡣ࡞࠸㸦ᶞᮌ᰿࡜ඹ⏕ࡋ࡚࠸࡞࠸㸧ࢱ࢖ࣉࡢࣟ࢘ࢱࢣࡢ௰㛫ࡢ⳦࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋࡑࢀ࡛ࡣ㸪Ⓨⱆᚋ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢ⏕㛗ࡀ㐍ࢇࡔ㝿࡟㸪Ⓨⱆࡢඹ⏕⳦࡛࠶ࡿࡇࡢ⳦ࡣ㸪࠸ࡘࡲ࡛࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘࡜㛵ࢃࡾ⥆ࡅࡿࡢ࡛࠶ࢁ࠺࠿ࠋࡑࡇ࡛௒ᅇ✀Ꮚࣃࢵࢡࢆᇙࡵ࡚Ⓨⱆࡀぢࡽࢀࡓࢩࣛ࢝ࣥࣂ࡜ࢲࢣ࢝ࣥࣂࡢⱝ㱋ᯘ
2 ࢝ᡤࡢᯘᗋᅵተ୰࠿ࡽ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢࡲࡔࢥࣟࢽ࣮ࢆᙧᡂࡋ࡚࠸࡞࠸ⱝ࠸ಶయࡢ⳦᰿ࢆ
᥇ྲྀࡋ㸪࠶ࢃࡏ࡚࿘ᅖࡢඃ༨ᶞᮌࡢ⳦᰿ࢆ᥇ྲྀࡋ࡚㸪ྠᵝ࡟ DNA ࡢゎᯒࢆ౑ࡗ࡚⳦᰿⳦ࡢ✀ྠᐃࢆ⾜ࡗࡓ㸦⾲ 2㸧ࠋ ࡑࡢ⤖ᯝ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⱝ࠸ぶಶయࡢ⳦᰿࡛ࡣ㸪ࡑࡢ࡯࡜ࢇ࡝ࢆእ⏕⳦᰿ᛶࡢ⳦ࡀ༨ࡵ࡚࠾ࡾ㸪Ⓨⱆࡢ㝿ࡢඹ⏕⳦࡛࠶ࡿࣟ࢘ࢱࢣࡢ௰㛫ࡣ㸪ࢩࣛ࢝ࣥࣂᯘ࡛ 108 ⳦᰿∦ࢆㄪ࡭࡚ 5 ⳦᰿ࡢࡳ࠿ࡽ᳨ฟࡉࢀ㸪ࢲࢣ࢝ࣥࣂᯘ࡛ࡣ 53 ⳦᰿ࢆㄪ࡭࡚඲ࡃ᳨ฟࡉࢀ࡞࠿ࡗࡓࠋࡲࡓ㸪ㄪᰝᯘࡢඃ༨ᶞ✀ࡢ࢝ࣂࣀ࢟ࡢእ⏕⳦᰿࠿ࡽࡣ㸪Ⓨⱆࡢ㝿࡟ぢࡽࢀࡓࣟ࢘ࢱࢣࡢ௰㛫ࡢ⳦ࡣ඲ࡃ᳨ฟࡉࢀ࡞࠿ࡗࡓࠋ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢ✀Ꮚࡣ㠀ᖖ࡟ᑠࡉࡃ㸪Ⓨⱆࡢᚋ࡟࡝ࡢ⛬ᗘࡢ᫬㛫ࢆ⤒࡚ⴥࢆᙧᡂࡍࡿࡢ࠿᫂ࡽ࠿࡟࡞ࡗ࡚࠸࡞࠸ࡀ㸪ᑠࡉ࠸࡞ࡀࡽࡶⴥࢆᙧᡂࡋࡓ᫬Ⅼ࡛㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢඹ⏕⳦ࡢ஌ࡾ᥮࠼
Y. Hashimoto - 7植物科学最前線 5:127 （2014）ࡀጞࡲࡗ࡚࠸ࡿࡼ࠺࡛࠶ࡗࡓࠋ਀2 ‫ڮ‬ढ़ਚभ଄ೡढ़ংঀय़੸ઃ௔ऊै఼਄खञঋॽংॼॖॳখॡ९क़भ༳உ༳ध३ছढ़থংुखऎमॲॣढ़থংभਗে༳உ༳भRFLP ॱॖউ଄ೡॲॣढ़থং‫؞‬঑খঐঁথঀय़੸ઃ௔଄ೡ३ছढ़থং੸ઃ௔ঋॽংॼॖॳখॡ९क़३ছढ़থংঋॽংॼॖॳখॡ९क़ॲॣढ़থং

୹૥खञ༳உਯ

108122

5366

লਠRFLP ॱॖউਯ

3442

1426

৅࿈ৎলਠ༳ध৊गRFLP ॱॖউ

5000ુৢखथলਠRFLP ॱॖউਯ4 (5.5%)3 (8.1%)

ถ಍मHashimoto et al. 2012 ૞ස ࡇࡢࡼ࠺࡞ඹ⏕⳦࡜ࡢ㛵ಀᛶࡀ㸪ࡑࡢ௚ࡢ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫࡟ࡶᙜ࡚ࡣࡲࡿࡢ࠿ࡣ᫂ࡽ࠿࡛ࡣ࡞࠸ࡀ㸪࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢඹ⏕⳦࡟࠾࠸࡚㸪Ⓨⱆࡢ㝿ࡢ⭉⏕ᛶࡢ⳦࠿ࡽ㸪ගྜᡂ⬟ຊࢆᣢࡗࡓぶಶయ࡛ࡣከᵝ࡞እ⏕⳦᰿⳦࡟஌ࡾ᥮࠼ࡀ࠾ࡁ࡚࠸ࡿࡇ࡜ࡣ⯆࿡῝࠸ࠋࣛࣥࡢ௰㛫ࡸࢩࣕࢡࢪࣙ࢘ࢯ࢘
ࡢ௰㛫࡛ࡣ㸪ከࡃࡢሙྜඹ⏕⳦ࡣ⏕㛗ࡢ㐣⛬࡛ኚ໬ࡋ࡞࠸ࡇ࡜ࡀከࡃ㸪ࡲࡓኚ໬ࡀぢࡽࢀࡿ㝿ࡣ㸪⭉⏕⳦࠿ࡽ⭉⏕⳦㸪ࡶࡋࡃࡣእ⏕⳦᰿⳦࠿ࡽእ⏕⳦᰿⳦࡬ࡢኚ໬࡛࠶ࡾ㸪⭉⏕⳦࠿ࡽእ⏕⳦᰿⳦࡬ࡢኚ໬࡛ࡣ࡞࠸
㸦኱࿴࣭㇂ட 2009㸧ࠋ࡛ࡣ㸪ᙼࡽࡀ⏕⫱ࡢ㐣⛬࡛⭉⏕ᛶࡢ⳦࠿ࡽእ⏕⳦᰿ᛶࡢ⳦࡬஌ࡾ᥮࠼ࡿ⌮⏤ࡣఱ࡛࠶ࢁ࠺࠿ࠋ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣⓎⱆ࠿ࡽⴥࢆᙧᡂࡍࡿࡲ࡛ࡣ㸪᏶඲࡞⳦ᚑᒓᰤ㣴ᛶࡢ⏕ࡁ᪉࡛࠶ࡿࠋ୍᪉㸪ⴥࢆᙧᡂࡋࡓᚋࡢ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣ㸪๓㏙ࡢ㏻ࡾ㒊ศⓗ⳦ᚑᒓᰤ㣴ᛶ࡛࠶ࡿ࡜ࡢሗ࿌ࡀ࠶ࡾ㸪ࡲࡓ㸪௒ᅇ✀Ꮚࣃࢵࢡࢆᇙタࡋࡓ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘⩌ⴠࡢ࠸ࡃࡘ࠿࡛ⴥࡢᏳᐃྠ఩య 13C ࡢ್ࢆ ᐃࡋࡓ࡜ࡇࢁ㸪ࡸࡣࡾ㸪㒊ศⓗ⳦ᚑᒓᰤ㣴ᛶ࡛࠶ࡿ࡜ぢࡽࢀࡿ್ࢆᚓ࡚࠸ࡿ㸦ᶫᮏ㸪ᮍⓎ⾲ࢹ࣮ࢱ㸧ࠋ୍⯡ⓗ࡟⪃࠼࡚㸪⮬ࡽᅵተ୰ࡢⴠⴥ࡞࡝᳜≀㑇యࢆศゎࡋ࡚࠸ࡿ⭉⏕⳦ࡼࡾࡶ㸪ᶞᮌࢆᐟ୺࡜ࡋ࡚ࡑࡢගྜᡂ⏘≀ࢆࡶࡽࡗ࡚࠸ࡿእ⏕⳦᰿⳦ࡢ᪉ࡀ㸪ከࡃࡢ⢾ࢆᏳᐃࡋ࡚ᚓࡽࢀࡿ࡜⪃࠼ࡽࢀࡿࠋ࡞ᅗ ࣄࢺࢶࣂ࢖ࢳࣖࢡࢯ࢘㸦✀Ꮚᙧᡂ᫬ᮇ㸧ࡐ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࡛࢘ࡣ㸪⤯ᑐⓗ࡞⳦ᚑᒓᰤ㣴ᛶࡢ✀ᏊⓎⱆẁ㝵࡛እ⏕⳦᰿ᛶࡢ⳦ࡀඹ⏕⳦࡛࡞࠸ࡢ࠿ࢃ࠿ࡽ࡞࠸ࡀ㸪Ⓨⱆ┤ᚋࡢᑠࡉ࡞ᐇ⏕ࡢẁ㝵࡛ࡣ㸪⭉⏕ᛶࡢ⳦ࢆ㑅ࡪ࣓ࣜࢵࢺࡀ࠶ࡿࡢ࠿ࡶࡋࢀ࡞࠸ࠋ≉࡟࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡢⓎⱆࡀ㸪ᡂ⇍ࡋࡓ᳃ᯘࡼࡾࡶ㸪ࡲࡔᅵተࡢⓎ㐩ࡀ࠶ࡲࡾ㐍ࢇ࡛࠸࡞࠸᮲௳ࡢᯘ࡛ぢࡽࢀ࡚࠸ࡿࡇ࡜࠿ࡽ㸦⾲ 1㸧㸪ඹ⏕⳦ࡢ⏕⫱㐺ᆅࡀ㝈ᐃࡉࢀ࡚࠸ࡿྍ⬟ᛶࡀ⪃࠼ࡽࢀࡿࠋࡇࡢࡼ࠺࡞せᅉ࡟ࡼࡗ࡚Ⓨⱆሙᡤࡀ㝈ᐃࡉࢀࡿࡇ࡜ࡀ㸪ࡇࡢ᳜≀ࡀ᪂ࡓ࡞ᐃ╔ሙᡤࢆᗈࡆࡿࡢ࡟୍ᙺ㈙ࡗ࡚࠸ࡿࡢ࠿ࡶࡋࢀ࡞࠸ࠋࡲࡓ୍᪉࡛㸪ࡍࡃ࡞ࡃ࡜ࡶぶಶయ࡛⢾ࢆᏳᐃࡋ࡚ᚓࡽࢀࡿ࡜⪃࠼ࡽࢀࡿእ⏕⳦᰿ᛶࡢ⳦࡜ࡢඹ⏕㛵ಀࢆᣢࡘࡇ࡜ࡀฟ᮶ࡿࡼ࠺࡟࡞ࡗࡓࡇ࡜ࡣ㸪ᙼࡽࡀ኱ࡁ࡞ࢥࣟࢽ࣮ࢆసࡗ࡚ᬯ࠸ᯘᗋ࡛ඃ༨ⓗ࡟⏕⫱ฟ᮶ࡿせᅉ࡛࠶ࡿ࠿ࡶࡋࢀ࡞࠸ࠋࡉࡽ࡟㸪እ⏕⳦᰿⳦࡜ඹ⏕ࡍࡿࡼ࠺࡟࡞ࡗࡓࡇ࡜ࡣ㸪⳦ᚑᒓᰤ㣴ᛶࡢ⋓ᚓࡢ㐍໬㐣⛬ࡢ๓㐺ᛂ࡜ࡋ࡚ാ࠸࡚࠸ࡿࡢ࠿ࡶࡋࢀ࡞࠸ࠋྠࡌ࢖ࢳࣖࢡࢯ࢘ࡢ௰㛫ࡢ࢖ࢳࣖࢡࢯ࢘㸦Pyrola japonica㸧࡛ࡣ㸪✀ෆ࡛ࣄࢺࢶࣂ࢖ࢳࣖࢡࢯ࢘࡜࿧ࡤࢀࡿⴥࡢࢧ࢖ࢬࡀᑠࡉࡃ㏥໬ࡋࡓࡶࡢࡀ▱ࡽࢀ࡚࠾ࡾ㸦ᅗ 8㸧㸪⳦ᚑᒓᰤ㣴ᛶࡢ⛬ᗘࡀ㧗ࡲࡗ࡚࠸ࡿᵝᏊࡀぢཷࡅࡽࢀࡿࠋ

Y. Hashimoto - 8

植物科学最前線 5:128 （2014）㸶㸬ࡲ࡜ࡵ 㒊ศⓗ⳦ᚑᒓᰤ㣴᳜≀࡜⪃࠼ࡽࢀࡿ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࢆᑐ㇟࡟㸪ᚤ⣽✀ᏊࡢⓎⱆ࡜ࡑࡢ㝿ࡢඹ⏕⳦࡟ࡘ࠸࡚ࡢ◊✲౛ࢆ⤂௓ࡋࡓࠋ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡣ㸪᏶඲࡞⳦ᚑᒓᰤ㣴ᛶࡢⓎⱆ᫬࡟ࡣ≉␗ⓗ࡞⭉⏕⳦࡜㛵ಀࢆ⤖ࡪࡀ㸪ⴥࡢ⏕㛗࡟కࡗ࡚⳦ࢆ஌ࡾ᥮࠼࡚㸪ᡂ⇍ಶయ࡛ࡣ࿘ᅖࡢᶞᮌࡀ฼⏝ࡍࡿከᵝ࡞እ⏕⳦᰿⳦࡜㛵ಀࢆ⤖ࢇ࡛࠾ࡾ㸪ࡑࡢ⏕ά⎔ࡢ୰࡛ඹ⏕⳦ࢆኚ໬ࡉࡏ࡚࠸ࡿࡼ࠺࡛࠶ࡗࡓࠋࡇࡢࡼ࠺࡞ඹ⏕⳦ࡢ஌ࡾ᥮࠼ࡀ㸪⳦ᚑᒓᰤ㣴ᛶࡢ㐍໬࡬ࡢ๓㐺ᛂ࡜ࡋ࡚ࡢᶵ⬟ࡋ࡚࠸ࡿྍ⬟ᛶࡀ࠶ࡿ࡜⪃࠼ࡽࢀࡿࠋࡲࡓ㸪ᬯ࠸᳃ᯘᯘᗋ࡛⏕ࡁࡿ࣋ࢽࣂࢼ࢖ࢳࣖࢡࢯ࢘ࡀ኱ࡁ࡞ࢥࣟࢽ࣮ࢆᙧᡂࡋ࡚ඃ༨ⓗ࡟⏕ࡁࡽࢀࡿ⫼ᬒ࡟ࡣ㸪ࡇࡢࡼ࠺࡞⳦ࢆ฼⏝ࡋࡓᕦࡳ࡞⏕Ꮡᡓ␎ࡀ㛵ࢃࡗ࡚࠸ࡿ࡜⪃࠼ࡽࢀࡿࠋᯘᗋ࡜࠸࠺ᬯ࠸⎔ቃ࡛ᑠࡉ࡞᳜≀ࡀ⏕ࡁࡿ୰࡛㸪⳦࡟㢗ࡗ࡚⏕ࡁࡿ࡜࠸࠺⏕ࡁ᪉ࡀጞࡲࡗࡓ࡜⪃࠼ࡽࢀࡿࡀ㸪᳃ᯘᅵተ୰࡛␗✀ࡢ᳜≀㛫ࡀ⳦᰿⳦ࡢ⳦⣒࡟ࡼࡗ࡚⧅ࡀࡗ࡚࠾ࡾ㸪㣴ศࡢࡸࡾ࡜ࡾࡀᏑᅾࡍࡿ஦ᐇࡣ㸪᳃ᯘ⏕ែ⣔ࢆぢࡿୖ࡛᪂ࡓ࡞どⅬࢆ୚࠼࡚ࡃࢀࡿࡔࢁ࠺ࠋㅰ㎡ ᮏ✏࡛⤂௓ࡋࡓ◊✲ࡢ୍㒊ࡣ㸪⛉Ꮫ◊✲㈝⿵ຓ㔠 14780437 ࡟ࡼࡾࡲࡍࠋࡲࡓ㸪ࡇࢀࡽ◊✲ࡣ㸪ᖏᗈ␆⏘኱Ꮫ࡛ࡢᅧྖ⥤ᏊẶ࣭⚟ᕝᝅẶࡢಟኈㄽᩥ◊✲ࡢ୍㒊࡜ᓥᮏ⧛Ặ࣭Ⲩᮌ㝧ᏊẶࡢ༞ᴗㄽᩥ◊✲ࡢ୍㒊ࡢᡂᯝࢆࡲ࡜ࡵࡓࡶࡢ࡛㸪ᙼࡽࡢປࢆᝰࡋࡲࡠ◊✲࡬ࡢྲྀࡾ⤌ࡳ࡟ឤㅰ࡜ᩗពࢆ⾲ࡋࡲࡍࠋᘬ⏝ᩥ⊩
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