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Rootstock effects on seed yield and quality in watermelon
Mohamed Dhamir Kombo,Nebahat Sari 한국원예학회 2019 Horticulture, Environment, and Biotechnology Vol.60 No.3
This research was conducted to investigate rootstock eff ects on seed yield and quality in watermelon. The work was conductedin the experimental fi elds and laboratories of the Department of Horticulture of the University of Cukurova in the2016 and 2017 growing seasons. Watermelon cv. Crimson sweet (CS) scion was grafted onto three diff erent rootstocks( Cucurbita ‘NUN-9075’, Lagenaria ‘Argentario’, and citron watermelon ‘PI296341’). Plants were assessed according totheir main stem length, main stem diameter, number of nodes, biomass, pollen production and development, fruit yieldand quality, and seed yield and quality. NUN-9075/CS and Argentario/CS graft combinations resulted in higher averagestem length, plant biomass, fruit yield and quality, seed yield, seed emergence, and germination percentage. Therewas no signifi cant diff erence observed between graft combinations in pollen viability, pollen germination, and normalpollen production. No signifi cant diff erence was observed between graft combinations in accelerated ageing (AA), andthe seed germination decreased after AA of 192 h. In the second year (2017), there was higher main stem length, mainstem diameter, total fruit yield, seed yield, and number of seeds per fruit compared to the fi rst year (2016). Based onthe results of this study, NUN-9075 rootstock performed better than other rootstocks; hence, it is recommended as thebest rootstock.
Morphological characterization of Korean and Turkish watermelon germplasm
Huh, Yun Chan,Choi, Hak Soon,Solmaz, Ilknur,Sari, Nebahat,Kim, Su Institute of Agricultural Science 2014 Korean Journal of Agricultural Science Vol.41 No.4
A total of 67 watermelon accessions which include 37 accessions from Korean and 27 accessions from Turkish germplasm and 3 accessions of other related species from USA were investigated for morphological characteristics. The UPOV descriptor list for 56 characters (6 seedlings, 4 plants, 11 leaves, 5 flowers, 23 fruits and 7 seeds) was used in characterization. In addition, eight quantitative characters, hypocotyl length, cotyledon width, cotyledon length, fruit weight, fruit length, fruit width, thickness of outer layer of pericarp and soluble solid content were also measured. The 56 qualitatively scored characters were analyzed by principle coordinate analysis (PCoA) while the eight quantitative ones were subjected to principle component analysis (PCA). Morphological characterization result demonstrated that the accessions displayed high morphological diversity(how much percent?). A high level of phenotypic diversity was observed from the results of morphological characterization. However, plant growth habit and leaf blade flecking showed constant characters for all of the accessions. The Korean and Turkish watermelon genotypes are diverse groups and can be separated by both multivariate analysis of morphological characters although the grouping was more apparent in PCoS results.
Morphological characterization of Korean and Turkish watermelon germplasm
Yun Chan Huh,Hak Soon Choi,Ilknur Solmaz,Nebahat Sari,Su Kim 충남대학교 농업과학연구소 2014 농업과학연구 Vol.41 No.4
A total of 67 watermelon accessions which include 37 accessions from Korean and 27 accessions from Turkish germplasm and 3 accessions of other related species from USA were investigated for morphological characteristics. The UPOV descriptor list for 56 characters (6 seedlings, 4 plants, 11 leaves, 5 flowers, 23 fruits and 7 seeds) was used in characterization. In addition, eight quantitative characters, hypocotyl length, cotyledon width, cotyledon length, fruit weight, fruit length, fruit width, thickness of outer layer of pericarp and soluble solid content were also measured. The 56 qualitatively scored characters were analyzed by principle coordinate analysis (PCoA) while the eight quantitative ones were subjected to principle component analysis (PCA). Morphological characterization result demonstrated that the accessions displayed high morphological diversity(how much percent?). A high level of phenotypic diversity was observed from the results of morphological characterization. However, plant growth habit and leaf blade flecking showed constant characters for all of the accessions. The Korean and Turkish watermelon genotypes are diverse groups and can be separated by both multivariate analysis of morphological characters although the grouping was more apparent in PCoS results.