Stylar Culture of Pollen and Physiological Studies of Self‐Incompatibility in <i>Oenothera organensis</i>

Kwack, B. H.

doi:10.1111/j.1399-3054.1965.tb06892.x

Cited by 24 publications

(5 citation statements)

References 12 publications

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“…These results confirm the observation made by SEM. High temperature treatments have been found to be effective for overcoming self-incompatibility in many plant genera, such as Brassica oleracea (32), Chrysanthemum (25), Lilium (1,3,12,15,18) and Oenothera (11). Temperatures used by these authors were, however, lower than 35°C or for only 5 min at 50°.…”

Section: Resultsmentioning

confidence: 99%

“…In order to breed pure lines or to retain parent lines for Fi seed production, overcoming self-incompatibility is an important problem. The methods of overcoming self-incom patibility such as hormone application (8 ,9 , 18), temperature treatments (1,3,11,12,15,25,32), mentor pollen application (7,14,26,28,29), bud or old flower pollination (2,27), pla cental, ovarian, or test tube pollination (4,13,20) and a me chanical or electric method (22,23,24) differ depending on plant genera. The self-incompatibility of R. sativus may be partially overcome by either bud pollination or CO?…”

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confidence: 99%

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Overcoming Self-incompatibility in Raphanus sativus L. with High Temperature1

Matsubara

1980

J. Amer. Soc. Hort. Sci.

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Self-incompatibility of Raphanus sativus L. was partially overcome by exposing plants to temperature of 30 to 50°C. The most effective treatment was 50°C for 25 minutes. Scanning electron microscopical (SEM) observation of pollen tubes on the papillae surface have shown that exposure of the gynoecium to 50°C for 25 minutes resulted in pollen tube growth following self-pollination that resembled that of cross-pollination. Openings of papillae and detached pollen grains and tubes were found as the result of successful pollen tube penetration of papillae. Fluorescence microscopical (FM) observation served to confirm these observations made by SEM. However, incompatible pollen failed to germinate although pollen grains were attached to the papillae by aid of their waxy surface substances.

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Section: Resultsmentioning

confidence: 99%

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confidence: 99%

Overcoming Self-incompatibility in Raphanus sativus L. with High Temperature1

Matsubara

1980

J. Amer. Soc. Hort. Sci.

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“…(3) Genetically determined differences in the strength of the incompatibility reaction, in particular due to different sensitivity of the incompatibility reaction to modifying factors including temperature (LINSKENS 1964b;KWACK 1965;ASCHER and PELCQUIN 1966b), age of flowers (LINSKENS 1964a;ASCHER and PELOQUIN 1966a), and perhaps pests (HECHT 1958).…”

Section: A Diploidsmentioning

confidence: 99%

Incompatibility in Rubus arcticus L.

Tammisola¹,

Ryynänen²

2009

Hereditas

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Sixteen Finnish strains of Rubus arcticus L. ("Arctic bramble" or, as proposed by Miss A. Ryynanen, nectarberry) were tested for self-fertility; they turned out to be self-sterile as a rule. The rich berry production in certain regions in Finland is not due to self-fertility, because all strains obtained from those regions showed clear self-sterility. Double pollinations revealed that the self-sterility is due to incompatibility. The results from pollinations between parents and sibs fit neither into the gametophytic-gametophytic incompatibility system nor into the one locus system with the oppositional type of sporophytic-sporophytic control, but rather into a sporophytic-gametophytic system. There are at least five incompatibility alleles involved. Pollinations within a clone were more strictly sterile than pollinations within an incompatibility equivalence class. Autotetraploids appeared to be more self-fertile than diploids.Self-sterility, which is fairly widely distributed in the Rosaceae, has been reported for the following species in the genus Rubus: R. odoratus L. (Subgenus Anoplobatus), R. allegheniensis POR-TER and R. trivialis MICHX. (both in the subgenus Eubatus) from North America, R. itlmifolius

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“…Unfortunately, pollen tubes growing in the style are not nearly as accessible as those growing in vitro. An easy solution to this problem is a modification of the long known "semivivo technique" (see Straub, 1947;Kwack, 1965).…”

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Ovarian Influence on Pollen Tube Growth, as Indicated by the Semivivo Technique

Mulcahy

1985

American J of Botany

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With the semivivo technique, pollen tubes grow from the bases of cut styles. The length of pollen tubes protruding from such styles, or growing through intact styles, is greatly enhanced by allowing initial pollen tube growth to occur before the ovary is removed. The presence of other floral parts has no apparent effect in this study. This improved semivivo method provides an abundant supply of pollen tubes that may show fewer artifacts than do those produced with in vitro growth. It also suggests that the ovary plays an important role in pollen‐style interactions.

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Stylar Culture of Pollen and Physiological Studies of Self‐Incompatibility in Oenothera organensis

Cited by 24 publications

References 12 publications

Overcoming Self-incompatibility in Raphanus sativus L. with High Temperature1

Overcoming Self-incompatibility in Raphanus sativus L. with High Temperature1

Incompatibility in Rubus arcticus L.

Ovarian Influence on Pollen Tube Growth, as Indicated by the Semivivo Technique

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