Duration of stigmatic receptivity of papaya
WebMay 1, 2024 · Stigmatic receptivity was determined with the benzidine – hydrogen peroxide method (Dafni, 1992). The stigmas of 10 flowers per cultivar were immersed in a solution … WebDec 30, 2015 · In general at the time of anthesis, the stigma is receptive and may lose for one 2 or several days.2-4Successful pollination period is determined with age of ovule, pistil morphology and receptivity of stigma.5The proteins present at the pollen, stigma and extra cellular matrix of pistil play an important role in pollen-pistil communication.
Duration of stigmatic receptivity of papaya
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WebJan 1, 2024 · The papaya accessions presented dry stigma surface, presence of one to six erect stigmatic lobes, with structures joined to the upper base of the style and covered … WebDec 30, 2015 · In general at the time of anthesis, the stigma is receptive and may lose for one 2 or several days. 2-4 Successful pollination period is determined with age of ovule, …
WebFeb 1, 2011 · But under high temperatures at the beginning of July (25°C average and 29°C maximum), flower onset occurred later, and the flowers passed to the female stage at … WebStigma receptivity is the ability of stigma to support the viable and compatible pollen to generate. In general at the time of anthesis, the stigma is receptive and may lose for one …
WebAug 31, 2000 · Controlled pollinations showed that the period of female receptivity, as judged by seed set, lasted from 5 days before anthesis to 3 days after anthesis with maximum fertility occurring on the... Webthe female side and on flower receptivity. In this work, the effect of temperature has been evaluated on stigmatic receptivity of sweet cherry in vivo, in the laboratory, and in planta, in the field. Results herein show that temperature has a clear effect on the duration of stigmatic receptivity. Thus, while high temperature reduced stigmatic
WebIn both years the duration of stigmatic receptivity was different, lasting up to 6 d for the first year of experiment and only for 2 d for the second. How- ever, the coexistence of stigmas at the three developmental stages within a …
WebThe period of stigma receptivity was long (14 d), and the sequential exposure and senescence of stigmatic papillae occurred gradually and in a basipetal direction. Pollen … philip rodgers designWebSep 9, 2024 · A stigma is receptive when it has the ability to support pollen germination, and the onset of stigmatic receptivity is accompanied by a number of changes that occur upon stigma maturation (Sanzol and Herrero 2001). The duration of receptivity can vary from a few hours to up 10 days (Dafni 1992; Shivanna 2003). philip roehrs mdWebPremise of the study: Factors affecting floral receptivity in angiosperms remain opaque, but recent studies suggest that the acquisition of stigmatic receptivity associated with cell-wall-related arabinogalactan proteins (AGPs) may be a … philip rodriguez firedWebpollination were examined. Stigmatic receptivity was evaluated in relation to the secretion of AGPs detected in whole mounts and immunolocalized in sectioned stigmas. • Key results: Protogynous Magnolia flowers had a precise window of stigmatic receptivity, which is concomitant with the secre-tion of two AGPs labeled for different epitopes. philip roderickWebNov 23, 2016 · Low stigmatic receptivity might be one of constraints for the pollen pistil interaction and pollen germination which results in low fruit set in cv. Alphonso. Fig. 2 Stigma receptivity by staining (baker’s method) ( A and B ), by polyphenol oxidase ( C and D ) and peroxidase activities ( E and F ) at different time after anthesis during ... philip rodeWebThe period of stigma receptivity was long (14 d), and the sequential exposure and senescence of stigmatic papillae occurred gradually and in a basipetal direction. Pollen … philip rogers dlaWebThe pineapple stigma receptivity detection method comprises the steps of 1 preparing reaction liquid; 2 preparing pineapple stigmas; 3 detecting light absorption values A1 and A2 of the pineapple stigmas; 4 calculating a pineapple stigma receptivity A value and the like. Compared with traditional benzidine-hydrogen peroxide methods, the ... philip roessler william and mary