Rose Pollen Management Methods to Improve Productivity

Roses are one of the most highly produced and purchased ornamental plants worldwide. Procurement and preservation of pollen is essential for the production of diverse rose varieties. In this study, we analyzed pollen management conditions, such as the pollen collection stage, drying time, and storag...

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Main Authors: Na-Ra Jeong, Ki-Young Park
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/12/6/1285
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author Na-Ra Jeong
Ki-Young Park
author_facet Na-Ra Jeong
Ki-Young Park
author_sort Na-Ra Jeong
collection DOAJ
description Roses are one of the most highly produced and purchased ornamental plants worldwide. Procurement and preservation of pollen is essential for the production of diverse rose varieties. In this study, we analyzed pollen management conditions, such as the pollen collection stage, drying time, and storage temperature, to determine optimal conditions for rose pollen management. Pollens were stored under different conditions and the pollen vitality and germination rate were investigated through an optical microscope. The vitality of pollen was an essential factor for rose breeding and depended on the storage conditions. Collecting pollen in the seventh flowering stage resulted in a relatively higher pollen yield. Drying the flower for 5 h after the anther opened improved pollen germination. The germination rate of freshly collected pollen was similar to that of pollen stored at temperatures between −20 °C and −72 °C for up to 30 days, indicating the efficacy of pollen storage at sub-zero temperatures. Since the rate of fruiting increases when pollination is performed three times, considering the time and cost of breeding, it is appropriate to pollinate three times to increase the number of seeds. This study provides an efficient pollen management method to collect and store pollen for breeding.
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spelling doaj.art-73e88dc1bdd64c44afc8797d5ade4e722023-11-23T15:09:13ZengMDPI AGAgronomy2073-43952022-05-01126128510.3390/agronomy12061285Rose Pollen Management Methods to Improve ProductivityNa-Ra Jeong0Ki-Young Park1Urban Agriculture Research Division, National Institute of Horticultural and Herbal Science, Wanju 55365, KoreaDepartment of Practical Arts Education, Gongju National University of Education, Gonju 32553, KoreaRoses are one of the most highly produced and purchased ornamental plants worldwide. Procurement and preservation of pollen is essential for the production of diverse rose varieties. In this study, we analyzed pollen management conditions, such as the pollen collection stage, drying time, and storage temperature, to determine optimal conditions for rose pollen management. Pollens were stored under different conditions and the pollen vitality and germination rate were investigated through an optical microscope. The vitality of pollen was an essential factor for rose breeding and depended on the storage conditions. Collecting pollen in the seventh flowering stage resulted in a relatively higher pollen yield. Drying the flower for 5 h after the anther opened improved pollen germination. The germination rate of freshly collected pollen was similar to that of pollen stored at temperatures between −20 °C and −72 °C for up to 30 days, indicating the efficacy of pollen storage at sub-zero temperatures. Since the rate of fruiting increases when pollination is performed three times, considering the time and cost of breeding, it is appropriate to pollinate three times to increase the number of seeds. This study provides an efficient pollen management method to collect and store pollen for breeding.https://www.mdpi.com/2073-4395/12/6/1285pollen viabilitypollen germinationcrossbreedingpollen morphology
spellingShingle Na-Ra Jeong
Ki-Young Park
Rose Pollen Management Methods to Improve Productivity
Agronomy
pollen viability
pollen germination
crossbreeding
pollen morphology
title Rose Pollen Management Methods to Improve Productivity
title_full Rose Pollen Management Methods to Improve Productivity
title_fullStr Rose Pollen Management Methods to Improve Productivity
title_full_unstemmed Rose Pollen Management Methods to Improve Productivity
title_short Rose Pollen Management Methods to Improve Productivity
title_sort rose pollen management methods to improve productivity
topic pollen viability
pollen germination
crossbreeding
pollen morphology
url https://www.mdpi.com/2073-4395/12/6/1285
work_keys_str_mv AT narajeong rosepollenmanagementmethodstoimproveproductivity
AT kiyoungpark rosepollenmanagementmethodstoimproveproductivity