Seasonal Changes in the Self-Incompatibility and Pollen Tube Growth in Japanese Pears (Pyrus serotina Rehd.)
نویسندگان
چکیده
منابع مشابه
an evaluation of self-compatibility vs. self-incompatibility in some asian pears (pyrus serotina rehd.) and european pears (pyrus communis l.) as well as native pear cultivars
the present research was conducted to determine the percent self-incompatibility in some asian pear (pyrus serotina rehd.) as well in european pear (pyrus communis l.) cultivars. the experiment was carried out during 2006 and 2007 growing seasons. pollen grains were collected and tested for viability using in-vitro pollen culture. for microscopic examination of pollen tube growth in the style, ...
متن کاملseasonal changes in fruit growth and development in some asian pear (pyrus serotina rehd.) genotypes under tehran
growth in plants is defined as irreversible increase in volume and size. these changes are varied depending on stage of growth and physiological activity of the fruit tree. this research was conducted to determine the duration period of fruit growth and development and to come up with a mathematical model representing the relationship between fruit diameter, volume, and fruit fresh and dry weig...
متن کاملSelf-incompatibility in the Iranian Almond Cultivar ‘Mamaei’ Using Pollen Tube Growth, Fruit Set and PCR Technique
Self-incompatibility has been studied by using controlled pollination, pollen tube growth and PCR methods in the Iranian almond ‘Mamaei.’. Pollen tube growth and fruit set following self and cross-pollination treatments were evaluated. The percentage of initial and final fruit set was determined for each treatment at 30 and 60 days after controlled pollination. Pollen germination and pollen ...
متن کاملارزیابی مقاومت ارقام گلابی آسیائی (Pyrus serotina Rehd.) به
نه رقم گلابی آسیایی موجود در باغ پژوهشی گروه علوم باغبانی دانشگاه تربیت مدرس با نام‌های ’ ‛KS6 ، ‛ KS7’ ، ‛KS8’ ، ‛ KS9’ ، ‛ KS10’ ، ‛KS11’ ، ‛KS12 ، KS13 و KS14 در سال1387 از نظر مقاومت به سنک گلابی مورد ارزیابی قرار گرفتند. ارزیابی مقاومت بر اساس تعداد حشره روی برگ، نرخ خسارت، میزان محصول نهایی، میزان ریزش میوه، مقدار نسبی آب برگ و میزان کلروفیل تعیین شد. ارقام KS8 و KS14 با کم‌ترین جمعیت ح...
متن کاملPLC-Mediated Signaling Pathway in Pollen Tubes Regulates the Gametophytic Self-incompatibility of Pyrus Species
Among the Rosaceae species, the gametophytic self-incompatibility (GSI) is controlled by a single multi-allelic S locus, which is composed of the pistil-S and pollen-S genes. The pistil-S gene encodes a polymorphic ribonuclease (S-RNase), which is essential for identifying self-pollen. However, the S-RNase system has not been fully characterized. In this study, the self-S-RNase inhibited the Ca...
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ژورنال
عنوان ژورنال: Journal of the Japanese Society for Horticultural Science
سال: 1985
ISSN: 0013-7626,1880-358X
DOI: 10.2503/jjshs.53.377