T. Higashi, N. Horisue, Shigeru Saito, Shinji Watanabe
{"title":"Genetic Analysrs of Freld Resistance to Panicle Blast (Pyricula ory-ze CAV.) in Rice","authors":"T. Higashi, N. Horisue, Shigeru Saito, Shinji Watanabe","doi":"10.1270/JSBBS1951.33.62","DOIUrl":"https://doi.org/10.1270/JSBBS1951.33.62","url":null,"abstract":"","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1983-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130672718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1982-12-01DOI: 10.1270/JSBBS1951.32.353
K. Takeda
In the previous reports, the author has clarified that unbalanced growth in the floral glumes and caryopsis of rice results in such aberrant grains as notched or hull-cracked grains. Because the grain size of a rice plant is generally conditioned by many minor genes, it should be treated as a quantitatively inherited character. However, if the major genes controlling grain size are available, analysis of their action may offer more simple and precise understanding about the genetic mechanism of grain development. In the present experiment, the effects of minute grain genes on the length of floral glumes and the potential length of caryospsis have been investigated with the nine F2 populations (Table 1). The potential length of the caryopsis (T1) was estimated by the length of "glume-cllpped grains", upper parts of the floral glumes were clipped-off a few days after the anthesis to allow the development of caryopsis without restriction by the size of floral glumes, while the inner length of floral glumes (C1) was indicated by the length of "non-treated gralns" which naturally developed in a state encased in the floral glumes. Without exception, T1 was longer than C1, and the T1/C1 ratio varied from ca. 1.O to larger than 1.7 in the 1, 483 F2 plants examined.
{"title":"Notched Grains Developed by the Minute Genes of Rice / Unbalanced Growth in Floral Glumes and Caryopsis in Rice VI.","authors":"K. Takeda","doi":"10.1270/JSBBS1951.32.353","DOIUrl":"https://doi.org/10.1270/JSBBS1951.32.353","url":null,"abstract":"In the previous reports, the author has clarified that unbalanced growth in the floral glumes and caryopsis of rice results in such aberrant grains as notched or hull-cracked grains. Because the grain size of a rice plant is generally conditioned by many minor genes, it should be treated as a quantitatively inherited character. However, if the major genes controlling grain size are available, analysis of their action may offer more simple and precise understanding about the genetic mechanism of grain development. In the present experiment, the effects of minute grain genes on the length of floral glumes and the potential length of caryospsis have been investigated with the nine F2 populations (Table 1). The potential length of the caryopsis (T1) was estimated by the length of \"glume-cllpped grains\", upper parts of the floral glumes were clipped-off a few days after the anthesis to allow the development of caryopsis without restriction by the size of floral glumes, while the inner length of floral glumes (C1) was indicated by the length of \"non-treated gralns\" which naturally developed in a state encased in the floral glumes. Without exception, T1 was longer than C1, and the T1/C1 ratio varied from ca. 1.O to larger than 1.7 in the 1, 483 F2 plants examined.","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134151331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1982-09-01DOI: 10.1270/JSBBS1951.32.232
Shigetoshi Sato, K. Muraoka, Y. San
The relationships between known three linkage groups, the sixth, the ninth, and the twelfth, and chromosomes in rice (Oryza sativa L.)were reexamined by using isogenic lines of Taichung 65 with marker genes and translocation stocks. The marker genes, ghl (gold hull) and d1 (daikoku-type dwarf) included in the sixth linkage group, nl1 (neck leaf) in the ninth, and gl1 (glabrous) in the twelfth group were all found to be located on the second chromosome. Linkabae order of these marker genes and seven interchange breakpoints on this chromosome was established as gh1-d1-2-3-2-3c-nl1-2-6a-2-7a-2-3b-2-lOa-2-3d-gl1 Consequently, two more linkabae groups remain to be established.
{"title":"Reconstruction of a Linkage Group Corresponding to the NISHIMURA'S Second Chromosome in Rice, Oryza sativa L.","authors":"Shigetoshi Sato, K. Muraoka, Y. San","doi":"10.1270/JSBBS1951.32.232","DOIUrl":"https://doi.org/10.1270/JSBBS1951.32.232","url":null,"abstract":"The relationships between known three linkage groups, the sixth, the ninth, and the twelfth, and chromosomes in rice (Oryza sativa L.)were reexamined by using isogenic lines of Taichung 65 with marker genes and translocation stocks. The marker genes, ghl (gold hull) and d1 (daikoku-type dwarf) included in the sixth linkage group, nl1 (neck leaf) in the ninth, and gl1 (glabrous) in the twelfth group were all found to be located on the second chromosome. Linkabae order of these marker genes and seven interchange breakpoints on this chromosome was established as gh1-d1-2-3-2-3c-nl1-2-6a-2-7a-2-3b-2-lOa-2-3d-gl1 Consequently, two more linkabae groups remain to be established.","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121226993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1982-06-01DOI: 10.1270/JSBBS1951.32.123
N. Matsuta, M. Omura, T. Akihama
The dry pollen surface of Japanese pear cultivars was investigated using the scanning electron microscope (SEM). Ridges, perlorations and nanoprocesses were observed on the exine, and the micromorphological pattern combined with these characteristics appeared to vary with the cultivars. Four cultivars, Imamuraaki, Suisei, Kikusui and Choju which apparently differed from each other with regard to the micromorphology of pollen surace, were chosen for estimating the morphological differences quantitatively. Twelve characteristics could be selected and measured on 50 pollen grains in each cultivar, based on microphotographs. Discriminant analysis was carried out using these 12 characteristics. Of the total of 200 pollen grains examined, about 76 percent could be correctly assigned to each cultivar. It is thus suggested that the micromorphology of pollen surface is available for distinguishing and identifying Japanese pear cultivars.
{"title":"Difference in Micromorphological Pattern on Pollen Surface of Japanese Pear Cultivars","authors":"N. Matsuta, M. Omura, T. Akihama","doi":"10.1270/JSBBS1951.32.123","DOIUrl":"https://doi.org/10.1270/JSBBS1951.32.123","url":null,"abstract":"The dry pollen surface of Japanese pear cultivars was investigated using the scanning electron microscope (SEM). Ridges, perlorations and nanoprocesses were observed on the exine, and the micromorphological pattern combined with these characteristics appeared to vary with the cultivars. Four cultivars, Imamuraaki, Suisei, Kikusui and Choju which apparently differed from each other with regard to the micromorphology of pollen surace, were chosen for estimating the morphological differences quantitatively. Twelve characteristics could be selected and measured on 50 pollen grains in each cultivar, based on microphotographs. Discriminant analysis was carried out using these 12 characteristics. Of the total of 200 pollen grains examined, about 76 percent could be correctly assigned to each cultivar. It is thus suggested that the micromorphology of pollen surface is available for distinguishing and identifying Japanese pear cultivars.","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125281348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1982-06-01DOI: 10.1270/JSBBS1951.32.171
T. Takita
The effect of natural day length on heading time in Japanese rice (O. sativa L.) cultivars has not yet completely been made clear, because of the difficulty in eliminating the effect of temperature. Five cultivars were grown under two constant day lengths of 20 and 50 minutes shorter than the day length at the summer solstice, 15 hours and 5 minutes. These day length corresponded to those of July 20 th. and August 10 th. respectively. Growth duration from seeding to heading in those day length was shorter than that in the day length at around the summer solstice.
{"title":"Change of Heading Time by Transfer of Seeding Time in Japanese Paddy Rice Cultivars : I. Influence of Natural Day Length","authors":"T. Takita","doi":"10.1270/JSBBS1951.32.171","DOIUrl":"https://doi.org/10.1270/JSBBS1951.32.171","url":null,"abstract":"The effect of natural day length on heading time in Japanese rice (O. sativa L.) cultivars has not yet completely been made clear, because of the difficulty in eliminating the effect of temperature. Five cultivars were grown under two constant day lengths of 20 and 50 minutes shorter than the day length at the summer solstice, 15 hours and 5 minutes. These day length corresponded to those of July 20 th. and August 10 th. respectively. Growth duration from seeding to heading in those day length was shorter than that in the day length at around the summer solstice.","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129041197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1981-09-01DOI: 10.1270/JSBBS1951.31.261
M. Kudo, Y. Koga
n order to improve the efficiency of the asexual reproduction of pineapple plant (Ananas coleaosus MERR.), morphactins, known as plant regulator-like chemicals, were applied to the flower bud. Prior to the morphactin application, the apices of plant materials were pre-treated with ethrel to enforce the synchronous induction of compound flower buds. The flower buds thus induced were subsequently treated with various concentrations of morphactin solution, at different developmental stages, and different replications of treatment. Following the morphactin treatments, a number of foliar buds was developed from the fruitlets of a syncarp. This foliar bud development is not observed in natural pineapple plant and also had not been reported in the other plants treatecl with morphactin. These foliar buds were tentatively called "buds-from-fruit" in the present paper. When morphactin at concentrations of 80 and 100ppm was applied to the mater.ials in 6 to 12 days after ethrel pre-treatment, more than 80% of the plants produced "buds-from-fruit", and the average number of "buds-from-fruit" of single plant, i. e. single syncarp, obtained langed between 8.8 to 15.7 The maximum number of "buds from-fruit" obtained on a syncarp was 32. There was a certain stage in the development of the flower bud which was found to be critical as regards the effect of morphactin activity. This stage preceded the differentiation of the syncarp into flower primordium. In addition, morphactin treatrnent also gave rise to an increase in the number of natural foliar buds such as slips and suckers, a retardation in the emergence of the compound flower bud, and a tendency for the apical leaves of the treated plant to roll up which is a typical function of morphactin activity.
{"title":"Induction of Foliar Buds by Morphactin Treatment of Flower:Bud of Pineapple (Ananas comosus MERR.)","authors":"M. Kudo, Y. Koga","doi":"10.1270/JSBBS1951.31.261","DOIUrl":"https://doi.org/10.1270/JSBBS1951.31.261","url":null,"abstract":"n order to improve the efficiency of the asexual reproduction of pineapple plant (Ananas coleaosus MERR.), morphactins, known as plant regulator-like chemicals, were applied to the flower bud. Prior to the morphactin application, the apices of plant materials were pre-treated with ethrel to enforce the synchronous induction of compound flower buds. The flower buds thus induced were subsequently treated with various concentrations of morphactin solution, at different developmental stages, and different replications of treatment. Following the morphactin treatments, a number of foliar buds was developed from the fruitlets of a syncarp. This foliar bud development is not observed in natural pineapple plant and also had not been reported in the other plants treatecl with morphactin. These foliar buds were tentatively called \"buds-from-fruit\" in the present paper. When morphactin at concentrations of 80 and 100ppm was applied to the mater.ials in 6 to 12 days after ethrel pre-treatment, more than 80% of the plants produced \"buds-from-fruit\", and the average number of \"buds-from-fruit\" of single plant, i. e. single syncarp, obtained langed between 8.8 to 15.7 The maximum number of \"buds from-fruit\" obtained on a syncarp was 32. There was a certain stage in the development of the flower bud which was found to be critical as regards the effect of morphactin activity. This stage preceded the differentiation of the syncarp into flower primordium. In addition, morphactin treatrnent also gave rise to an increase in the number of natural foliar buds such as slips and suckers, a retardation in the emergence of the compound flower bud, and a tendency for the apical leaves of the treated plant to roll up which is a typical function of morphactin activity.","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"272 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1981-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126833734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1980-12-01DOI: 10.1270/JSBBS1951.30.335
Sada-aki Kondo, Y. Futsuhara
{"title":"Genetical Studies on the Panicle Formation in Rice : I. Analysis of Component Characters of Panicle Density","authors":"Sada-aki Kondo, Y. Futsuhara","doi":"10.1270/JSBBS1951.30.335","DOIUrl":"https://doi.org/10.1270/JSBBS1951.30.335","url":null,"abstract":"","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1980-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114688386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1979-09-01DOI: 10.1270/JSBBS1951.29.239
Y. Futsuhara, Sada-aki Kondo, H. Kitano
{"title":"Genetical Studies on Dense and Lax Panicles in Rice : II Character Expression and Mode of Inheritance of Dense Panicle Rice","authors":"Y. Futsuhara, Sada-aki Kondo, H. Kitano","doi":"10.1270/JSBBS1951.29.239","DOIUrl":"https://doi.org/10.1270/JSBBS1951.29.239","url":null,"abstract":"","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114766668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1979-09-01DOI: 10.1270/JSBBS1951.29.248
T. Hidaka, Y. Yamada, T. Shichijo
Anthers of Poncirus trifoliata (L.) RAF. (trifoliate orange, 2n=18) were cultured on the MURASHIGE and SKooG's (1962) medium containing 0.2 and/or 2.0mg/l of 2, 4-dichlorophenoxyacetic acid (2, 4-D), indole-3-acetic acid (IAA), oi-naphthaleneacetic acid (NAA), and kinetin in combination. Three weeks after planting, heart-shaped and cotyledonary embryoids appeared from the anthers. Embryoids were formed most efifciently from the anthers of early uninu-cleate stage, and on the media containing 0.2mg/1 of IAA. The callus formation was occurred on all media and was increased by the addition of 2, 4-D. Roots were induced by the transfer of the embryoids from the induction media con-taining growth regulators to the medium lacking growth regulators. From microscopic observation, some of these plantlets showed 9(x) chromosomes of haploid state and some of them had 10 (x+1), 11 (x+2), and 18 (2x) chromosomes. Besides these plantlets, mixoploids which had cells with different chromosome numbers in the same preparations, such as (9, 10), (9, 10, 11), and (10, 11) were obtained
{"title":"In vitro Differentiation of Haploid Plants by Anther Culture in Poncirus trifoliata (L.) RAF.","authors":"T. Hidaka, Y. Yamada, T. Shichijo","doi":"10.1270/JSBBS1951.29.248","DOIUrl":"https://doi.org/10.1270/JSBBS1951.29.248","url":null,"abstract":"Anthers of Poncirus trifoliata (L.) RAF. (trifoliate orange, 2n=18) were cultured on the MURASHIGE and SKooG's (1962) medium containing 0.2 and/or 2.0mg/l of 2, 4-dichlorophenoxyacetic acid (2, 4-D), indole-3-acetic acid (IAA), oi-naphthaleneacetic acid (NAA), and kinetin in combination. Three weeks after planting, heart-shaped and cotyledonary embryoids appeared from the anthers. Embryoids were formed most efifciently from the anthers of early uninu-cleate stage, and on the media containing 0.2mg/1 of IAA. The callus formation was occurred on all media and was increased by the addition of 2, 4-D. Roots were induced by the transfer of the embryoids from the induction media con-taining growth regulators to the medium lacking growth regulators. From microscopic observation, some of these plantlets showed 9(x) chromosomes of haploid state and some of them had 10 (x+1), 11 (x+2), and 18 (2x) chromosomes. Besides these plantlets, mixoploids which had cells with different chromosome numbers in the same preparations, such as (9, 10), (9, 10, 11), and (10, 11) were obtained","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1979-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124033214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1978-12-01DOI: 10.1270/JSBBS1951.28.329
T. Hashiguchi, Y. Yoshimitsu, Y. Maeda, M. Taketomi
{"title":"Genetical Studies on Liver Esterase Isozymes of the Japanese Quail, Coturnix coturnix japonica","authors":"T. Hashiguchi, Y. Yoshimitsu, Y. Maeda, M. Taketomi","doi":"10.1270/JSBBS1951.28.329","DOIUrl":"https://doi.org/10.1270/JSBBS1951.28.329","url":null,"abstract":"","PeriodicalId":270267,"journal":{"name":"Japanese journal of breeding","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1978-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121092391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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