Search Results:　 1-20 of 26

  • 1

    Apis cerana japonica discriminates between floral color phases of the oriental orchid, Cymbidium floribundum

    Sugahara Michio , Minamoto Toshifumi , Fuchikawa Taro 他

    Zoological science 27(12), 901-906, 2010-12-00

  • 2

    Orientation of the parasitic wasp, Cotesia vestalis (Haliday) (Hymenoptera: Braconidae), to visual and olfactory cues of field mustard flowers, Brassica rapa L. (Brassicaceae), to exploit food sources

    Kugimiya Soichi , Uefune Masayoshi , Shimoda Takeshi , Takabayashi Junji

    … Since the female parasitoids do not exhibit host-feeding behavior, successful feeding on other items enhances the efficacy of the parasitoids as a biological control agent in agro-ecosystems, where sufficient amounts of food sources may not be available; …

    Applied Entomology and Zoology 45(3), 369-375, 2010

    J-STAGE CrossRef

  • 3

    Consequences of plant-pollinator conflicts for floral evolution: can plants manipulate insect behavior?  [in Japanese]

    大橋 一晴

    Biological science 60(3), 132-141, 2009-04-00

  • 4

    Spatial distribution of two invasive alien species, Podocarpus nagi and Sapium sebiferum, spreading in a warm-temperate evergreen forest of the Kasugayama Forest Reserve, Japan

    MAESAKO Yuri , NANAMI Satoshi , KANZAKI Mamoru

    奈良市に位置する春日山原始林特別天然記念物指定域(34°41'N,135°51'E;298.6ha)に発達する照葉樹林は,奈良公園一帯に生息するニホンジカの局所個体群の増加を背景に,さまざまな影響を受けている.本研究は700年代に春日大社に献木されたのが起源とされる中国地方以南分布種である国内外来種ナギ(Podocarpus nagi)および1930年代に奈良公園に街路樹として植栽された中国原産の …

    Vegetation science 24(2), 103-112, 2007-12-25

    CiNii Fulltext PDF - Open Access  References (40)

  • 5

    Effect of Weigela hortensis (Caprifoliaceae) floral morphology on pollinator behavior

    INOUE MAKI N. , USHIJIMA JUNKO , YOKOYAMA JUN

    Plant species biology 22(2), 77-86, 2007-08-01

    References (44)

  • 6

    The problems of farm management and economical background of the 2003 cold : weather damage in Tohoku area  [in Japanese]

    Kinoshita Tomohide , Yoshida Yoshiaki

    平成15年冷害が平成5年冷害よりも比較的被害が少なくてすんだ要因の第1は,ササニシキから耐冷性の高いひとめぼれへの品種転換が進展したことであり,要因の第2は圃場整備が進展し深水管理が一定程度実施されたことである.しかし田植えの早期化は克服されず,多品種構成による十分なリスク分散もなく,前歴深水も十分に行われていない.これらの点から,冷害対策の成果を過大に評価することはできない.

    Hort research 60, 29-33, 2006-03-31

    CiNii Fulltext PDF - Open Access  IR

  • 7

    The role of floral scent of the cherry tree, Prunus yedoensis, in the foraging behavior of Luehdorfia japonica (Lepidoptera : Papilionidae)

    Omura Hisashi , Honda Keiichi , Nakagawa Ayami , Hayashi Nanao

    … The olfactory response of adults of Luehdorfia japonica (Papilionidae) to floral volatiles from Prunus yedoensis (Rosaceae) was investigated by means of a behavioral test (reflex extension of proboscis : REP) and electroantennographic (EAG) responses. … Chemical analysis of the flower extract revealed that the floral scent consisted mainly of aromatic compounds, among which benzaldehyde (BAL, ca. …

    Applied entomology and zoology 34(3), 309-313, 1999-08-25

    CiNii Fulltext PDF - Open Access  References (22) Cited by (1)

  • 8

    Differentiation of Breeding Systems in the Ranunculus cantoniensis Group (Ranunculaceae) in Japan

    OKADA HIROSHI , KUBO SAORI

    日本産キツネノボタン類の交配様式を明らかにするために開花習性,交配実験,P/O比(花粉数と胚珠数の比)を比較した。花弁の開閉運動:キツネノボタン,コキツネノボタン,ケキツネノボタンの花弁は2-3日間,朝開き夕方閉じた。オトコゼリは1度開くとそのまま閉じることはなかった。雌雄生殖器官の成熟時期:キツネノボタンは雌雄同熟,コキツネノボタンとケキツネノボタンは雄性先熟,オトコゼリは雌性先熟であった。自家 …

    Acta phytotaxonomica et geobotanica 49(2), 81-88, 1999-02-28

    CiNii Fulltext PDF - Open Access  References (17)

  • 9

    Floral Biology of Tricyrtis macropoda Miq. (Liliaceae)

    TAKAHASHI HIROSHI

    ヤマホトトギスの花部生態学的研究を行い, 近縁なヤマジノホトトギスと比較した。両種は受粉様式の特徴の多くが似ている。花は2日間咲いており, 雄性先熟で, 自家和合性がある。主要なポリネーターはトラマルハナバチである。しかし, ヤマジノホトトギスは花被が基部から1/3のところで平開するのに対して, ヤマホトトギスは下方へ折れ曲がる。トラマルハナバチは折れ下がった花被片に止まってから折れた部分の稜によ …

    Acta phytotaxonomica et geobotanica 45(1), 33-40, 1994-09-30

    CiNii Fulltext PDF - Open Access 

  • 10

    Studies on the Chilling Requirement of Gypsophila paniculata L.  [in Japanese]

    DOI Motoaki

    … Following differentiation of floral organs, the style elongated and the petaloid stamens appeared. … However, after the apical meristem enlarged, differentiation and development of the floral organs in the terminal floret progressed at the same rate irrespective of the amount of exposure to previous chilling. … Twenty eight plants of 'Bristol Fairy' which showed different growth and flowering behavior, were selected. …

    Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and life sciences 45, 107-154, 1993-03-31

    CiNii Fulltext PDF - Open Access 

  • 11

    Studies on the Chilling Requirement of Gypsophila paniculata L.  [in Japanese]

    土井 元章 , DOI Motoaki

    … Following differentiation of floral organs, the style elongated and the petaloid stamens appeared. … However, after the apical meristem enlarged, differentiation and development of the floral organs in the terminal floret progressed at the same rate irrespective of the amount of exposure to previous chilling. … Twenty eight plants of 'Bristol Fairy' which showed different growth and flowering behavior, were selected. …

    Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and life sciences 45, 107-154, 1993-03-31

    IR

  • 12

    Melittophily and Ornithophily of Long-tubed Flowers in Zingiberaceae and Gesneriaceae in West Sumatra

    Kato Makoto , Itino Takao , Nagamitsu Teruyoshi

    … The swiftly-flying bees showed traplining foraging behavior just like euglossine bees in the Neotropics. … Among species in a bee guild, convergence of proboscis lengths was detected, and the floral hosts of the bee species were sometimes overlapping. …

    Tropics 2(3), 129-142, 1993-00-00

    IR CrossRef

  • 13

    Studies on the Everbearing Behavior of Cultivated Strawberry (Fragaria×ananassa Duch.) with Special Reference to Effects of Daylength and Temperature  [in Japanese]

    YANAGI Tomohiro

    … So far as is known, there exist two production possibilities during this period, 1) utilization of everbearing cultivar and 2) application of the everbearing behavior of June-bearing cultivars. … The purpose of this study is to demonstrate the difference in flower-bud formation between everbearing and June-bearing cultivars, and to elucidate the everbearing behavior based on physiological and ecological aspects. …

    Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and biology 44, 115-144, 1992-03-31

    CiNii Fulltext PDF - Open Access  IR Cited by (1)

  • 14

    EFFECTS OF DEER ON PLANTS AND PLANT COMMUNITIES  [in Japanese]

    TAKATSUKI Seiki

    … Many studies describe the floral and quantitative changes of community composition, but analytical studies based on autecology of each plant species are quite limited. … Characteristic cervid behavior such as fraying and wallowing should be reconsidered in light of the effects on vegetation. …

    Japanese Journal of Ecology 39(1), 67-80, 1989-04-30

    CiNii Fulltext PDF - Open Access  Cited by (31)

  • 15

    A Preliminary Study of the Pollination Ecology of Pedicularis (Scrophulariaceae) in Japan

    MACIOR LAZARUS WALTER

    … An introductory study of the pollination ecology of six Japanese species of Pedicularis conducted in 1982 and 1983 indicated a close parallel between characteristics of floral mechanisms in Japan and those previously investigated in North America. … Floral color, floral form, total dissolved solids in floral nectar, and pollinator behavior on flowers of Japanese species are similar to those of North American species. …

    Plant species biology 3(1), 61-66, 1988-11-15

    CiNii Fulltext PDF - Subscription  CrossRef Cited by (6)

  • 16

    A DATA BASE FOR PREDICTING SOYBEAN PHENOLOGY

    WANG J. , MCBLAIN B. A. , HESKETH J. D. , WOOLLEY J. T. , BERNARD R. L.

    … The quest for a better soybean phenology model continues, phenological behavior being a necessary part of any crop growth and yield simulation model. … Photoperiods at floral initiation were estimated as those values that occurred 290 degree days before the first open flower, but those that occurred before the longest day of the year were set to the longest photoperiod for the latitude. …

    Biotronics : reports of Biotron Institute, Kyushu University 16, 25-38, 1987-00-00

    CiNii Fulltext PDF - Open Access  IR Cited by (1)

  • 17

    Dry Matter Production of Sorghum Species in Hokkaido  [in Japanese]

    NOJIMA Hiroshi , TAKAHASHI Naohide , GOTOH Kanji

    北海道におけるソルガム属の乾物生産特性を36品種を供試し,主に1番草について検討した。高乾物重グループでの乾物増加率CGR;(7月31日〜8月13日)は,高温多照で経過したため,8品種平均で50.2g/m^2・dayと高かった。主成分分析の結果から,高乾物重の品種は,第1に主茎重が重く,分げつ数が少なく,かつ早期に分げつ発生が停止し,その後,分げつ重は主茎重とともに増加するタイプであった。それと反 …

    Journal of Japanese Society of Grassland Science 32(2), 128-133, 1986-07-31

    CiNii Fulltext PDF - Open Access  Japanese Agricultural Sciences Index

  • 18

    <no title>  [in Japanese]

    MARUYAMA Takenori , KANEMATSU Hiromu , NIIYA Isao , AIDA Yumiko , OHNISHI Masaru

    … Used samples were 20 kinds of honey, of which floral and geographical sources were known, and 3 kinds of HF with different ratio of fructose/glucose (F/G ratio). … But, pyrolysis behavior in the range of 200-300°C varied with the kind of sugars.<BR>2) In the TG and DTG curves of HF with the F/G ratio of 1.28, the stage of rapid weight reduction in the range of 200-300°C was divided into two steps. … This seemed to be a characteristic behavior of glucose. …

    Nippon Eiyo Shokuryo Gakkaishi 37(1), 98-102, 1984

    J-STAGE CrossRef

  • 19

    The Distribution of Charcoal in Preceramic Period Sites:A New Approach to Preceramic Research

    ODA Shizuo , KANAYAMA Yoshiaki

    … On the other hand, if this charcoal results from human behavior, there is not yet any evidence to suggest the kind of activity involved; … the charcoal could reflect anything from a cooking fire to an accidental brush fire in the camp.The natural science approach to the study of large carbonized remains-floral typing and radiocarbon dating-has yielded much valuable information about prehistoric sites. …

    The Quaternary Research (Daiyonki-Kenkyu) 17(3), 125-141, 1978

    J-STAGE CrossRef

  • 20

    Photoperiodic Control of Flowering and Tuberization in Cyperus serotinus II. The Heading Behavior  [in Japanese]

    SUGE Hiroshi , KUSANAGI Tokuichi , HATTORI Kinjiro

    秋田より宮崎にわたる各地から採集したミズガヤッリの14系統について,9時間日長,自然日長(東京),20時間日長の3つの異なった日長条件下における出穂反応をしらべた結果,日長反応からみた出穂性にかなりの生態的分化がみられることが明らかになった。ミズガヤツリは,花芽分化に関する限界日長は13時間と20時間の間にあるものと推定されたが,日長制御装置の台数の制限から正確な数値は本実験では明らかでなかった。 …

    Journal of Weed Science and Technology 20(3), 123-126, 1975-11-25

    CiNii Fulltext PDF - Open Access