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Gamma irradiation was used to induce mutations affecting self-incompatibility (SI) in diploid Ipomoea trifida. Plants (S1 homozygote) with developing flower buds were exposed with gamma rays of 10 and...
The present study was conducted to clarify the effect of temperature and daylength on heading in diploid rhodesgrass cultivars. Three diploid cultivars, Tochiraku-kei, Fords-Katambora and Pioneer, wer...
Butterbur is an important vegetable in Japan. In this paper, we present the results of surveying for diploids among cultivated butterbur and production of hybrid plants for harvesting spikes by crossi...
To facilitate efficient breeding of triploid loquats (Eriobotrya japonica Lindle.) by crossing diploid loquats with tetraploid loquats, we investigated differences of morphological and fruit bearing c...
To obtain the seedless sudachi of a triploid, 297 flowers were crossed between tetraploid sudachi and diploid sudachi, and 50 triploids were established in 1992. Flowcytometer was used for selection o...
This study investigated the possibility of performing cross breeding between diploid (2x) and triploid (3x) apple cultivars. Well-grown king flowers of 2x were hand-pollinated with an abundance of pol...
Crossings between triploid and diploid in cultivated Japanese butterbur (Petasites japonicus Fr. Schmidt) were made and the agronomic traits of hybrid plants for harvesting petioles were investigated....
This study was carried out under greenhouse conditions from March 1995 to August 1996. The effects of cutting frequency and height on hay yield and quality were investigated. In this research, 2 ploi...

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