Identification of the pollinizer for a new almond genotype ‘Karaj 33’

Purpose: Most almond cultivars grown in Iran exhibit gametophytic self-incompatibility. Therefore, they need to be pollinated by cross-compatible cultivars that bloom in the same time to produce commercial crop. One of the new almond genotypes is Karaj 33, which has very late flowering, high product...

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Autores principales:	Abdel-Reza Jamshidi, Ali Imani, Seied Mehdi Miri
Formato:	article
Lenguaje:	EN
Publicado:	University of Birjand 2021
Materias:	in-compatibility fluorescence microscopy fruit set prunus dulcis Agriculture S
Acceso en línea:	https://doaj.org/article/ea8b0e8f2f6f4ae4a98c65f3ea036aa0
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spelling	oai:doaj.org-article:ea8b0e8f2f6f4ae4a98c65f3ea036aa02021-11-06T05:42:09ZIdentification of the pollinizer for a new almond genotype ‘Karaj 33’2588-48832588-616910.22077/jhpr.2021.4477.1226https://doaj.org/article/ea8b0e8f2f6f4ae4a98c65f3ea036aa02021-12-01T00:00:00Zhttps://jhpr.birjand.ac.ir/article_1851_159c1025b3ad5c38704132fcfeeadc3e.pdfhttps://doaj.org/toc/2588-4883https://doaj.org/toc/2588-6169Purpose: Most almond cultivars grown in Iran exhibit gametophytic self-incompatibility. Therefore, they need to be pollinated by cross-compatible cultivars that bloom in the same time to produce commercial crop. One of the new almond genotypes is Karaj 33, which has very late flowering, high productivity, paper shell, high percentage of kernel to fruit, no double and twin kernel, and self-incompatible.Research method: In order to select the suitable pollinizer for ‘Karaj 33’, an experiment was conducted using fruit set under field conditions and fluorescence microscopy methods, in which Tuono, Shekofeh and H were evaluated as pollen donors. Findings: All almond cultivars/genotypes had high (80-85%) pollen germination. Tuono and H bloomed earlier (from 24th to 29th March), whereas Shekofeh and then Karaj 33 bloomed later (from 26th March to 1st April and 30th March to 3rd April, respectively). Cross-compatibility was confirmed in all the three cultivars/genotype by both methods. Shekofeh had almost overlapping flowering time with Karaj 33. The penetration rate of Shekofeh pollen tube was faster so that 96 h after cross-pollination, it reached the base of Karaj 33 style, while the other two reached 120 h later. The highest final fruit set was observed with the cross of Karaj 33 × Shekofeh. Research limitations: No limitations were found. Originality/Value: we can consider Shekofeh as a suitable pollinizer for Karaj 33.Abdel-Reza JamshidiAli ImaniSeied Mehdi MiriUniversity of Birjandarticlein-compatibilityfluorescence microscopyfruit setprunus dulcisAgricultureSENJournal of Horticulture and Postharvest Research, Vol 4, Iss Issue 4 - December 2021, Pp 521-528 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	in-compatibility fluorescence microscopy fruit set prunus dulcis Agriculture S
spellingShingle	in-compatibility fluorescence microscopy fruit set prunus dulcis Agriculture S Abdel-Reza Jamshidi Ali Imani Seied Mehdi Miri Identification of the pollinizer for a new almond genotype ‘Karaj 33’
description	Purpose: Most almond cultivars grown in Iran exhibit gametophytic self-incompatibility. Therefore, they need to be pollinated by cross-compatible cultivars that bloom in the same time to produce commercial crop. One of the new almond genotypes is Karaj 33, which has very late flowering, high productivity, paper shell, high percentage of kernel to fruit, no double and twin kernel, and self-incompatible.Research method: In order to select the suitable pollinizer for ‘Karaj 33’, an experiment was conducted using fruit set under field conditions and fluorescence microscopy methods, in which Tuono, Shekofeh and H were evaluated as pollen donors. Findings: All almond cultivars/genotypes had high (80-85%) pollen germination. Tuono and H bloomed earlier (from 24th to 29th March), whereas Shekofeh and then Karaj 33 bloomed later (from 26th March to 1st April and 30th March to 3rd April, respectively). Cross-compatibility was confirmed in all the three cultivars/genotype by both methods. Shekofeh had almost overlapping flowering time with Karaj 33. The penetration rate of Shekofeh pollen tube was faster so that 96 h after cross-pollination, it reached the base of Karaj 33 style, while the other two reached 120 h later. The highest final fruit set was observed with the cross of Karaj 33 × Shekofeh. Research limitations: No limitations were found. Originality/Value: we can consider Shekofeh as a suitable pollinizer for Karaj 33.
format	article
author	Abdel-Reza Jamshidi Ali Imani Seied Mehdi Miri
author_facet	Abdel-Reza Jamshidi Ali Imani Seied Mehdi Miri
author_sort	Abdel-Reza Jamshidi
title	Identification of the pollinizer for a new almond genotype ‘Karaj 33’
title_short	Identification of the pollinizer for a new almond genotype ‘Karaj 33’
title_full	Identification of the pollinizer for a new almond genotype ‘Karaj 33’
title_fullStr	Identification of the pollinizer for a new almond genotype ‘Karaj 33’
title_full_unstemmed	Identification of the pollinizer for a new almond genotype ‘Karaj 33’
title_sort	identification of the pollinizer for a new almond genotype ‘karaj 33’
publisher	University of Birjand
publishDate	2021
url	https://doaj.org/article/ea8b0e8f2f6f4ae4a98c65f3ea036aa0
work_keys_str_mv	AT abdelrezajamshidi identificationofthepollinizerforanewalmondgenotypekaraj33 AT aliimani identificationofthepollinizerforanewalmondgenotypekaraj33 AT seiedmehdimiri identificationofthepollinizerforanewalmondgenotypekaraj33
_version_	1718443890557583360

Identification of the pollinizer for a new almond genotype ‘Karaj 33’

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