A STUDY ON FLOWERING, POLLINATION, SELF AND CROSS INCOMPATIBILITY OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS

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KOUSHESH SABA M.; ARZANI KAZEM; JALALI JAVARAN MOKHTAR

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Paper Information

Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2006 | Volume:37 | Issue:5 Page(s): 755-764

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Title

A STUDY ON FLOWERING, POLLINATION, SELF AND CROSS INCOMPATIBILITY OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS

Author(s)

KOUSHESH SABA M. | ARZANI KAZEM | JALALI JAVARAN MOKHTAR | Issue Writer Certificate

Keywords

ASIAN PEARQ3

FRUIT SETQ3

SELF INCOMPATIBILITYQ2

CROSS INCOMPATIBILITYQ3

POLLINATIONQ2

Abstract

To study the flowering time and period, as well as the self- and cross-compatibility, some ASIAN PEAR cultivars, namely KS6, KS8, KS9, KS11, KS13 and KS14, were employed. Two branches on each of four trees in each cultivar were selected for controlled POLLINATION. To prevent either undesired pollen contamination or POLLINATION by insects, selected shoots were protected using cotton tissue bags. For controlled cross- POLLINATION, flowers were emasculated and protected before anthesis, hand POLLINATION being carried out two days after anthesis. In order to monitor pollen tube growth in the style, samples were taken 44, 72 and 96'hours after POLLINATION, and fixed in FAA solution. The percentages of initial and final FRUIT SET after self and cross-pollination were recorded and monitored 15, 35 and 75 days after full bloom (OAFS). A study of flowering time showed that there were some differences in the flowering period and time of bloom in the studied cultivars, the best coincidence being observed between KS11 and KS13. Microscopic examination of pollen tube growth showed that pollen grains were alive after POLLINATION and the pollen tube grew within the style following germination. Results from self pollinated trees (75 OAFS) indicated that KSg had the lowest FRUIT SET, with 2.92%, while the other cultivars KS13, KS6, KS8, KS14, and KS11 showed 4.16, 5.44, 7.03, 10.33, and 14.65% FRUIT SET respectively. In addition, results from cross- POLLINATION revealed that the highest FRUIT SET (34.34%) was obtained from cross-pollination of KS11 (seed parent = ♀) with KS8 (pollen parent = ♂) while KS13 (♀) pollinated with KS8(♂) ended up with the lowest FRUIT SET (4.15%).

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مطالعه سازگاری و ناسازگاری برخی از ارقام گیلاس در تلقیح و تشکیل میوه گیلاس سیاه مشهد

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APA: Copy

KOUSHESH SABA, M., ARZANI, KAZEM, & JALALI JAVARAN, MOKHTAR. (2006). A STUDY ON FLOWERING, POLLINATION, SELF AND CROSS INCOMPATIBILITY OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 37(5), 755-764. SID. https://sid.ir/paper/8555/en

Vancouver: Copy

KOUSHESH SABA M., ARZANI KAZEM, JALALI JAVARAN MOKHTAR. A STUDY ON FLOWERING, POLLINATION, SELF AND CROSS INCOMPATIBILITY OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2006;37(5):755-764. Available from: https://sid.ir/paper/8555/en

IEEE: Copy

M. KOUSHESH SABA, KAZEM ARZANI, and MOKHTAR JALALI JAVARAN, “A STUDY ON FLOWERING, POLLINATION, SELF AND CROSS INCOMPATIBILITY OF SOME ASIAN PEAR (PYRUS SEROTINA REHD.) CULTIVARS,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 37, no. 5, pp. 755–764, 2006, [Online]. Available: https://sid.ir/paper/8555/en

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