Kan, J.; Yuan, N.; Lin, J.; Li, H.; Yang, Q.; Wang, Z.; Shen, Z.; Ying, Y.; Li, X.; Cao, F. Seed Germination and Growth Improvement for Early Maturing Pear Breeding. Plants2023, 12, 4120.
Kan, J.; Yuan, N.; Lin, J.; Li, H.; Yang, Q.; Wang, Z.; Shen, Z.; Ying, Y.; Li, X.; Cao, F. Seed Germination and Growth Improvement for Early Maturing Pear Breeding. Plants 2023, 12, 4120.
Kan, J.; Yuan, N.; Lin, J.; Li, H.; Yang, Q.; Wang, Z.; Shen, Z.; Ying, Y.; Li, X.; Cao, F. Seed Germination and Growth Improvement for Early Maturing Pear Breeding. Plants2023, 12, 4120.
Kan, J.; Yuan, N.; Lin, J.; Li, H.; Yang, Q.; Wang, Z.; Shen, Z.; Ying, Y.; Li, X.; Cao, F. Seed Germination and Growth Improvement for Early Maturing Pear Breeding. Plants 2023, 12, 4120.
Abstract
Breeding early-maturing cultivars is one of the most important objectives for pear breeding. Very early-maturing pear provides an excellent parental material for crossing, while the immature embryo and low seed germination of its hybrid progenies often limit the selection and breeding of new early-maturing pear cultivars. In this study, we choose a very early maturing pear cultivar ‘Pearl Pear’ as study object, and investigate the effects of cold stratification, culture medium and seed coat on the germination and growth of early maturing pear seeds. Our results show that cold stratification (4℃) treatment could significantly improve the germination rates of early maturing pear seeds. A 100 days of low temperature pre-treatment and germination on White medium could increase the germination rate up to 84.54%. We also observe that seed coat removal could improve the germination activity of early maturing pear seeds, and middle seed coat removal (MSR) represents an optimal method with its high germination rate and low contamination. The results of our study established an improved protocol for seed germination of early-maturing pear seeds, which will greatly facilitate the breeding of new very early-maturing pear cultivars.
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
