Effects of shoot pinching and boron spray on the nutrient content and berry set of Muscat of Alexandria. I

Okamoto, Gensei

doi:10.2503/jjshs.36.31

Cited by 7 publications

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“…Ovary cultures of cucumber and tomatoes (12) In 'Muscat of Alexandria', on the other hand, the number of perfect embryo sacs did not fall to 30% even when the concentration of inorganic nutrients was doubled in both Nitsch and MS media. As a common vineyard practice, shoot tips of this cultivar are pinched to ensure the set of seeded berries (6,13).…”

Section: Discussionmentioning

confidence: 99%

Effect of the Levels of Minerals, Phytohormones and Pistil Extracts on In Vitro Ovule Development and Pollen Tube Growth in Excised Grape Pistils.

Okamoto

Omori

1991

Engei Gakkai zasshi

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SummaryThe poor set of normal seeded berries in Tione' grapes is attributed to the small number of fertilized eggs in the ovules. To examine the effect of nutrients and phytohormones on ovule development and pollen tube growth, young florets, about one week before bloom, were cultured in vitro on several media. Florets of 'Muscat of Alexandria', which is known to be a good setting cultivar, were cultured for comparison.The ovary size became larger in both cultivars as the concentration of inorganic compo-

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Section: Discussionmentioning

confidence: 99%

Effect of the Levels of Minerals, Phytohormones and Pistil Extracts on In Vitro Ovule Development and Pollen Tube Growth in Excised Grape Pistils.

Okamoto

Omori

1991

Engei Gakkai zasshi

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Abnormal auxin distribution and poor berry setting (coulure) in grapes

Nito¹,

Kuraishi

1979

Scientia Horticulturae

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Effects of Shoot Pinching before Anthesis on Fruit Development, Flower Bud Formation and Dry Matter Production in Japanese Persimmon Trees (Diospyros kaki Thunb.) under Restricted Root Zone Volume

Fukuda¹,

Takahata²

2011

Engeigaku kenkyuu

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Shoots of three-year-old cv. Tonewase and Shinsyu trees under restricted root zone volume were pinched 8-10 days before full bloom (FB), leaving 10 leaves per shoot from their basal part. Lateral buds were repinched at their basal part soon after sprouting. Total shoot lengths per tree and average shoot lengths were shorter in the pinched trees as compared with the nonpinched trees in both cultivars. Shoot pinching did not affect yields per tree, but increased average fruit weights in both cultivars. In Shinsyu trees, shoot pinching decreased total soluble solids contents (TSS) of fruit. On both cultivars, there was little influence on flower bud formation on the mother branch. Shoots of three-year-old cv. Sosyu under pot culture were pinched the 27 days before FB, leaving 8 leaves per shoot. Shoot pinching increased the yields per tree and the average fruit weights, but did not affect fruit quality. There was no correlations between fruit weight and shoot growth in either the pinched trees or the non-pinched trees. Shoots of three-year-old cv. Fuyu trees under pot culture were pinched 2 days before FB at different intensities of pinching. Shoot pinching decreased total shoot lengths per tree, average shoot lengths, leaf numbers, leaf weights and leaf areas per tree. Shoot pinching increased average fruit weights under both intensities of pinching. There were no differences in yields per tree and TSS between the appropriately pinched trees and non-pinched trees, whereas those of the severely pinched trees were inferior to those of non-pinched trees. Shoot pinching did not affect the annual dry matter gains per unit leaf dry weight and per unit leaf area. The ratio of assimilates partitioned into fruit were higher, whereas those into older wood, shoot and fine root were lower in the appropriately pinched trees compared with those in the non-pinched trees.

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Effects of shoot pinching and boron spray on the nutrient content and berry set of Muscat of Alexandria. I

Cited by 7 publications

References 0 publications

Effect of the Levels of Minerals, Phytohormones and Pistil Extracts on In Vitro Ovule Development and Pollen Tube Growth in Excised Grape Pistils.

Effect of the Levels of Minerals, Phytohormones and Pistil Extracts on In Vitro Ovule Development and Pollen Tube Growth in Excised Grape Pistils.

Abnormal auxin distribution and poor berry setting (coulure) in grapes

Effects of Shoot Pinching before Anthesis on Fruit Development, Flower Bud Formation and Dry Matter Production in Japanese Persimmon Trees (Diospyros kaki Thunb.) under Restricted Root Zone Volume

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