The Effects of Flower Induction Regimes and Disbudding Agents on Spray-Form of Chrysanthemum

Klapwijk, D.; Veen, J.W.J. van; Lint, P.J.A.L. de

doi:10.17660/actahortic.1969.14.24

Cited by 4 publications

(6 citation statements)

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“…Though there is a difference between the results of this experiment and those which used different cultivars and chemicals, there exists the same tendency that the later the treating time, the stronger the effect is. Klapwi jk, van Veen and de Lint (6) reported that the application of Ekatin as early as the 9th or 12th short day damaged terminal flower buds and produced malformed leaves. They reported also a higher percentage of disbudding with the long day interruption in inductive short day-length than in continuous short daylength.…”

Section: Discussionmentioning

confidence: 99%

“…The following eight chemicals were sprayed onto the plants: 1) distilled water; 2) sodium chlorate (1.5%) ; 3) Tomino (1, 2%), a 90% emulsion of ethyl toluene, tri-methyl benzene and C8 to C12 fatty acids; 4) x-methyl naphthalene (0.125, 0.25 %) ; 5) j9-methyl naphthalene (0.125, 0.25%) ; 6) The extent of leaf injury caused by the treatment of chemicals was grouped as slight (+), moderate (-H-) and severe (-h-) based on the browning area.…”

Section: Methodsmentioning

confidence: 99%

“…But in recent years there have been reports on the use of some chemicals that destroy actively growing meristematic tissues without affecting Received for publication May 22, 1978. 382 more mature leaf and stem tissues (2,3,4,5,6,7,8,9,12,15,16,17,18,19,20). This study deals with the effects of some chemicals used for disbudding in chrysanthemum and the methods of treatment.…”

Section: Introductionmentioning

confidence: 99%

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Studies on Chemical Disbudding of Chrysanthemum

Fujime

1978

Engei Gakkai zasshi

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SummaryThe effect of some chemicals on disbudding mainly of chrysanthemum and the methods of treatment were investigated.1. Sodium chlorate and Tomino, a 90% emulsion of ethyl toluene, tri-methyl benzene and C8 to C12 fatty acids, were the most effective disbudding agents for `Taibyosei -FR-1' tomato.Browning of leaves was more noticeable with sodium chlorate. 2. Symptoms of disbudding appeared early in tomato treated with Tomino at the point of application of the chemical.3. Tomino and a-methyl naphthalene were most effective for chemical disbudding of `Kiyomizu' chrysanthemum.4. The application of 2% Tomino to four cultivars of pot mum resulted in disbudding of axillary buds below the 4 th or 5 th node from the terminal bud in all cultivars.5. Treatment with 1 or 2% Tomino to seven cultivars of pot mum was most effective when the buds had received fourty-five short days.The long day interruption for one week during the short day induction had little effect on disbudding.6. Tomino inhibited stem elongation slightly.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Studies on Chemical Disbudding of Chrysanthemum

Fujime

1978

Engei Gakkai zasshi

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“…Joiner and Sheehan (4) reported that of 3 cultivars tested for disbudding with HAN, only 'Fred Shoesmith' was affected posi tively. Other materials, such as Emgard-2077 and Off-Shoot-O (3) and ekatin, a miticide (5,8) Rooted cuttings were planted indi vidually in 15 cm standard plastic pots in a medium of 2 acid peat moss, 1 soil and 1 sand (volume basis). Seven kg of dolomitic limestone and 1.75 kg of treble superphosphate were incorporated/m^ of the medium.…”

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Chemical Removal of Lateral Buds of Chrysanthemum morifolium Ramat1

Zacharioudakis

Larson

1976

horts

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2,3-Dihydro-5-6-diphenyl-l,4-oxanthin (UNI-P293), was used to determine its effectiveness as a disbudding agent of Chrysanthemum morifolium cv. May Shoesmith. Concentrations of 0.5, 0.75 and 1.0% were applied on the 18th, 21st and 24th short day (SD). The optimum concentration on the 18th SD was 0.5% and 1.00% on the 21st SD. There was no difference among concentration levels on the 24th SD. Flower size and date of anthesis were not adversely affected when manual disbudding was used as a supplement to chemical treatment, but smaller flowers and delayed anthesis usually occurred when only the chemical was used for disbudding. All treated plants were shorter than untreated plants.

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“…L'auteur a 6tudi6 l'efficacit6 d'oxathiine substituee (P-293) (Parups 1972) and those of Klapwijk et al (1969) using "Ekatin" to disbud chrysanthemums were not successful.…”

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confidence: 99%