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Misayo Matsumura, Tomohiko Nakano, Daigo Ono, Toshio Fukui
2005 Volume 47 Pages
1-8
Published: 2005
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Effects of partial soil sterilization for
Tyrophagus similis Volgin were investigated. Soil sterilization treatments by solar heat, hot water, steam, and soil reduction were effective. Nevertheless, a few acarid mites survived in some cases in the greenhouses because of uneven heat treatment, or on the outskirts of greenhouses, and untreated areas. For that reason, we can not expect a lasting effect over a long period. It is not desirable that these soil sterilization methods be used in early summer. Short-term steam disinfection in spring or autumn will probably suppress acarid mite infestation. Use of this method will spread because of its economy and practicality if applied for prevention before mites' reproduction or as an emergency control measure after their outbreak.
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Susumu Tokumaru
2005 Volume 47 Pages
9-13
Published: 2005
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The effects of granular insecticides to the vegetable leafminer,
Liriomyza sativae Blanchard, the serpentine leafminer,
L. trifolii (Burgess), and the tomato leafminer,
L. bryoniae (Kaltenbach), on kidney bean leaves were evaluated at 20°C under a 15L9D photoregime. Among 8 insecticides tested on second instar larvae, cartap and thiamethoxiam were highly toxic on the three
Liriomyza species. None of the granular insecticides suppressed the number of oviposition and feeding punctures enough in any of the three
Liriomyza species. Cartap, clothianidin, dinotefuran, nitenpyram, and thiamethoxiam were more toxic on the three
Liriomyza species eggs.
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Masahiko Morishita
2005 Volume 47 Pages
15-20
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Wakayama Prefecture is one of the main production areas of persimmon in Japan. However, western flower thrips,
Flankliniella occidentalis (Pergande) has been causing serious damage to persimmon fruit, especially variety Tonewase, when the fruit color turned yellow in early September since 1997.
F. occidentalis overwintered on the perennial weed such as chickweed,
Stellaria neglecta, and had two peaks of population density on undergrowth of persimmon orchards: one in June when perennial weeds were growing and the other in July-August when summer weeds were growing. Thus
F. occidentalis maintained its population through various undergrowth. Since the weeding time was different between persimmon and mandarin orange orchards, the adult
F. occidentalis dispersed from an orchard where they existed at a higher density to the adjacent orchards. Therefore, the population density of
F. occidentalis was higher in a persimmon-mandarin orange cultivation area than in a persimmon mono-cultivation area. The thrips density on undergrowth of foxtail ears,
Setalia viridis, was higher in the persimmon orchard than in the grassland nearby. This is provably because pesticides applied to persimmon trees suppressed the occurrence of natural enemies such as the minute bug,
Orius sauteri, on weeds by drafting, causing a resurgence of
F. occidentalis in persimmon orchards.
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Izumi Ohta, Akira Kawai, Ken-ichiro Honda
2005 Volume 47 Pages
21-24
Published: 2005
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Pesticide susceptibility of
Liriomyza sativae Blanchard was evaluated. Ninety commercial insecticides and acaricides were tested by dipping kidney bean leaves infested with second instar larvae of
L. sativae. Thirty-two chemicals including 13 organophosphates and 8 synthetic pyrethroids caused high mortalities of 90% or over. Eight chemicals commercially applicable to
L. sativae in domestic fields were also examined for 4 local populations collected from different regions in Japan. Cyromazine, emamectin benzoate, milbemectin and spinosad were highly effective for the all populations. Flufenoxuron and tolfenpyrad showed different insecticidal activities among the populations.
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Hiroshi Tanaka, Koji Manatani, Taiji Kurozumi, Manabu Shibao
2005 Volume 47 Pages
25-29
Published: 2005
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We estimated density, proportion of allurement and efficiency of control in the Valencia slug,
Lehmannia valentiana (Férussac) by using meta-aldehyde traps. The removal method elucidated the slug density and proportion of allurement in a citrus field to be 25.6/m
2; and 38%, respectively. The slug density was larger in order, under tree > on dense grassland > on sparse grassland > bare ground, and the proportion of allurement was larger in order
vice versa. Treatment of meta-aldehyde granule of 1g/m
2; caused 67.5-100% of slug death, and larger slug density showed lower control efficiency.
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Shiro Fukuta, Yoshihisa Nimi, Kazushi Ohishi, Yukie Yoshimura, Naoko A ...
2005 Volume 47 Pages
31-36
Published: 2005
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We developed a reverse transcription loop-mediated isothermal amplification (RT-LAMP) method to detect two viruses:
Cucumber mosaic virus (CMV) and
Chrysanthemum virus B (CVB), and
Chrysanthemum stunt viroid (CSVd). We designed the LAMP primers specific for the coat protein genes of CMV and CVB, and CSVd genomic RNA. The sensitivity of RT-LAMP was as high as the sensitivity of RT-PCR for detection of CSVd, and was higher than the sensitivity of RT-PCR for detection of CMV and CVB.
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Shiro Fukuta, Naoko Anai, Masashi Kato, Yukie Yoshimura, Masahiro Fuka ...
2005 Volume 47 Pages
37-41
Published: 2005
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We developed the preparing method of template DNA for a loop-mediated isothermal amplification (LAMP) method to detect
tomato yellow leaf curl virus (TYLCV) at agriculture sites. ‘Toothpick method’ was used for preparing the DNA samples from tomatoes. TYLCV could be detected from a bulk of fifty tomatoes including only one infected tomato by the simple LAMP. Sampling solution of ‘Toothpick method’ could be preserved for two days at 4°C.
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Kazumasa Maekawa, Masataka Aino, Takeshi Kanto
2005 Volume 47 Pages
43-44
Published: 2005
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Yutaka Iwamoto, Masahiro Takegawa, Jyunya Yase, Hisanori Tanaka
2005 Volume 47 Pages
45-46
Published: 2005
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Mamoru Satou, Kazufumi Nishi, Masaharu Kubota
2005 Volume 47 Pages
47-48
Published: 2005
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Takayuki Sakamoto, Yuji Mukohdani, Hiromichi Nitta, Katsura Kakogawa
2005 Volume 47 Pages
49-51
Published: 2005
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Kazumasa Maekawa, Masataka Aino, Takeshi Kanto
2005 Volume 47 Pages
53-55
Published: 2005
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Masaharu Kubota, Yoshihiro Okamoto, Kazufumi Nishi
2005 Volume 47 Pages
57-59
Published: 2005
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Katsuhiko Shimizu, Masataka Aino, Hiroyuki Maki, Akashi Mochizuki
2005 Volume 47 Pages
61-63
Published: 2005
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Hirofumi Suzuki, Katsutoshi Kuroda
2005 Volume 47 Pages
65-66
Published: 2005
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Hiromichi Nitta
2005 Volume 47 Pages
67-69
Published: 2005
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Kazushi Ohishi, Chihiro Ogawa, Michio Kanbe
2005 Volume 47 Pages
71-73
Published: 2005
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In vitro simple method for determination of resistance to a pathogen of bacterial wilt of carnation (
Burkholderia caryophylli) was developed. The bottom of unrooted cuttings of carnation was dipped in bacterial suspension (2.7×10
2-10
3cfu/ml) for five min, rinsed with distilled water for ten min, and then incubated with distilled water in test tubes at 30°C. The symptons of bacterial wilt can be visible within two weeks after the inoculation. In the method using unrooted cuttings, the level of resistance of carnation to
B. caryophylli was efficiently determined.
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Kazushi Ohishi, Tetsuhisa Kurimoto, Toshio Ohya
2005 Volume 47 Pages
75-77
Published: 2005
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Burkholderia caryophylli, the pathogen of bacterial wilt of carnation, was detected up to the concentration of 10cfu by PCR and LAMP (Loop-mediated isothermal amplification) using primers based on the domain coding for 16S ribosomal RNA. LAMP was a simple and easy method to detect the bacteria compared with PCR, because LAMP reaction was performed in a shorter time than PCR. The bacteria can be detected by LAMP using materials derived from stuck wooden tooth-pick into the stem of cuttings inoculated with
B. caryophilli.
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Isamu Sako, Hiroshi Nagae, Mikio Sekiguchi, Tsutomu Yonekawa
2005 Volume 47 Pages
79-81
Published: 2005
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Yuji Nishikawa, Hiromichi Nitta, Katsuhiko Nakamoto
2005 Volume 47 Pages
83-85
Published: 2005
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Noriyuki Miyake, Seiichi Ito
2005 Volume 47 Pages
87-89
Published: 2005
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Hiromichi Nitta
2005 Volume 47 Pages
91-94
Published: 2005
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Hiromichi Nitta, Takeshige Morita, Yuka Wakasaki, Katsura Kakogawa
2005 Volume 47 Pages
95-98
Published: 2005
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Naoko Anai, Masaya Nakabo, Sinro Kato, Siro Fukuta, Masahiro Fukaya, K ...
2005 Volume 47 Pages
99-101
Published: 2005
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Akitoshi Tajimi, Tomohiko Ishiguro, Naoki Yanagida
2005 Volume 47 Pages
103-104
Published: 2005
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Distribution of endophyte-infested Aokamojigusa (
Agropyron ciliare var.
minus=Elymus racemifer: Festucoideae, Gramineae) were surveyed along the banks of the Adogawa river, Shiga prefecture, Japan. Ten seeds were examined for endophyte infestation for ten plants of a spot. Rates of endophyte-infested plants were mapped for 41 spots along with previous results of the area.
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Akitoshi Tajimi, Yuka Noishiki, Tomomi Nakamura, Naoki Yanagida
2005 Volume 47 Pages
105-107
Published: 2005
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Distribution of endophyte-infested Aokamojigusa (
Agropyron ciliare var.
minus=
Elymus racemifer: Festucoideae, Gramineae) were surveyed along the banks of the Anegawa river and branches, Shiga prefecture, Japan. Ten seeds were examined for endophyte infestation for ten plants of a spot. Rates of endophyte-infested plants were mapped for 61 spots.
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Tomomi Fujita, Masaaki Takimoto, Noriyuki Miyake, Satoru Narita
2005 Volume 47 Pages
109-111
Published: 2005
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Keiko Yoshida, Nagisa Mashita, Keiji Ito, Noriyuki Miyake, Satoru Nari ...
2005 Volume 47 Pages
113-114
Published: 2005
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Yasuhiro Nomura, Akira Minemura
2005 Volume 47 Pages
115-116
Published: 2005
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Takeshi Hamazaki, Mamoru Satou, Kazufumi Nishi
2005 Volume 47 Pages
117-118
Published: 2005
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Hideki Watanabe, Takeshi Ozeki
2005 Volume 47 Pages
119-121
Published: 2005
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Masahiko Morishita
2005 Volume 47 Pages
123-124
Published: 2005
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There are three generations of Japanese mealybug,
Planococcus kraunhiae (Kuwana), on persimmon each year. Chemical control of this bug is usually conducted in June and August when 1st instar nymphs appear which is the most susceptible to insecticides. However, the following additional countermeasures should be taken in heavily infested orchards: 1) eliminating overwintering nymphs by scraping away the tree bark, 2) spraying the tree with petroleum oil in winter and 3) applying pesticides from late April to early May when overwintering nymphs move to the top of shoots.
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Masahiko Morishita
2005 Volume 47 Pages
125-126
Published: 2005
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The density of Japanese mealybug,
Planococcus kraunhiae (Kuwana), on Japanese persimmon fruit was higher on the plot frequently applied cypermethrin, than that on the untreated plot. The number of mealybugs found on ‘Fuyu’, a non-astringent cultivar, was higher than that on ‘Hiratanenashi’, an astringent cultivar, probably because the calyx of sweet persimmon is not elected and the bugs sheltered under it are protected from insecticides and rain.
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Takeo Imura
2005 Volume 47 Pages
127-129
Published: 2005
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Yoshinori Kunimoto, Kenzo Nishimura, Tadashi Morioka
2005 Volume 47 Pages
131-132
Published: 2005
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Susumu Tokumaru, Koji Tsuji, Yoko Saiki, Yoshihiro Taguchi
2005 Volume 47 Pages
133-135
Published: 2005
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The effectiveness of yellow sticky roller traps for control of the vegetable leafminer,
Liriomyza sativae Blamchard, was evaluated in tomato greenhouse. It was found that
L. sativae larval populations were maintained at low levels, and that the number of mines observed on a tomato leaf in the tomato greenhouse was lower than that in a control greenhouse without the yellow sticky roller traps.
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Yoshinari Enami, Yoko Kawamura, Naofumi Hozumi, Kazunori Fuke, Kazuhir ...
2005 Volume 47 Pages
137-139
Published: 2005
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Yutaka Kubota, Mamoru Tsujino, Tomomi Nagamachi, Jyun-ichi Negoro, Tos ...
2005 Volume 47 Pages
141-142
Published: 2005
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Manabu Shibao, Yoshinori Kosaka, Takayuki Naito, Hiroshi Tanaka
2005 Volume 47 Pages
143-145
Published: 2005
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Mamoru Tsujino, Tomomi Nagamachi, Manabu Shibao
2005 Volume 47 Pages
147-148
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Tomomi Nagamachi, Mamoru Tsujino, Manabu Shibao, Hiroshi Tanaka
2005 Volume 47 Pages
149-150
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Toshio Kitamura, Tomotoshi Kashio
2005 Volume 47 Pages
151-152
Published: 2005
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Katsunori Aoki, Masaharu Yasuda, Kaneyuki Kosikawa
2005 Volume 47 Pages
153-156
Published: 2005
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Yasuhiro Nomura, Akira Minemura
2005 Volume 47 Pages
157-158
Published: 2005
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Takanori Matsuo, Katsumi Kamiya, Yuki Sobue, Takeo Katami, Masahiro Ta ...
2005 Volume 47 Pages
159-160
Published: 2005
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Ken Suzuki
2005 Volume 47 Pages
161-162
Published: 2005
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Shinichi Masui, Haruki Katayama, Masatoshi Tsuchiya
2005 Volume 47 Pages
163-165
Published: 2005
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Shoko Amano, Hideji Yano
2005 Volume 47 Pages
167-168
Published: 2005
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