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- Title
EFFECTS OF SEEDS IRRADIATION WITH GAMMA-RAY ON PLANT GROWTH AND YIELD ATTRIBUTING CHARACTERS OF SAFFLOWER.
- Authors
IVANOVA, Raisa; SMEREA, Svetlana
- Abstract
The purpose of this study was to evaluate the impact of pre-sowing gamma irradiation with various doses of safflower seeds and time of seeds sowing on bio-morphological characters of plants. Based on ANOVA analysis there was showed that the time of seeds sowing statistically significantly influenced the height of safflower, number of developed and undeveloped inflorescences per plants more than the radiation. However, the contribution of radiation to the number of undeveloped inflorescences per plant was approximately seven times greater than the contribution of sowing time. The interaction between radiation and sowing time factors contributed to changes in number of secondary branches and developed inflorescences per plant. The correlations between the bio-morphological characters of plants growing under the same conditions demonstrated the strong direct proportional dependences of developed inflorescences on number of secondary branches per plant as well as the direct correlation between developed inflorescence and number of seeds per plant in all experimental variants. Thus, the safflower plants obtained from irradiated seeds which were sown in fall showed a more significant response to the abiotic factor (gamma radiation) by modifying the bio-morphological characters in comparison with the spring sown safflower.
- Subjects
EFFECT of radiation on plants; SAFFLOWER; SOWING; GAMMA rays; IRRADIATION; INFLORESCENCES
- Publication
Oltenia, Studii si Comunicari Seria Stiintele Naturii, 2018, Vol 34, Issue 2, p51
- ISSN
1454-6914
- Publication type
Article