Influence of Short Periods of Restricted Soil Aeration on Development of Tulips

Valk, G.G.M. van der

doi:10.17660/actahortic.1971.23.53

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Soils and Artificial Planting Media1

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1973

1992

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Cited by 3 publications

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“…De Haan andVan Der Valk (1971) have shown that compaction of the soils reduces root growth of Tulipa, Narcissus, and Hyacinthus. Root growth does not occur at pore-volumes of <43%.…”

Section: Soils and Artificial Planting Mediamentioning

confidence: 99%

Root Physiology of Ornamental Flowering Bulbs

Kawa

Hertogh

1992

Horticultural Reviews

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“…De Haan andVan Der Valk (1971) have shown that compaction of the soils reduces root growth of Tulipa, Narcissus, and Hyacinthus. Root growth does not occur at pore-volumes of <43%.…”

Section: Soils and Artificial Planting Mediamentioning

confidence: 99%

Root Physiology of Ornamental Flowering Bulbs

Kawa

Hertogh

1992

Horticultural Reviews

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Tulip Veinal Streak, a Viral Disorder of Forced Tulips in the Glasshouse under Certain Environmental Conditions

Asjes¹,

Müller²

1973

J Phytopathol

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Planting Medium Effects on Forced Swaziland- and Dutch-grown Hippeastrum Hybrids

Hertogh¹,

Tilley²

1991

HortSci

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The Swaziland-grown Hippeastrum bulbs `Summertime' and `Sun Dance' reached the market and flowering stages of development in fewer days than the Dutch-grown bulbs `Apple Blossom' and `Red Lion'. `Sun Dance' was the quickest flower and `Red Lion' the slowest. The effects of the planting medium on days to market and flowering were variable and no medium appeared to be the best for this criterion. `Summertime' and `Red Lion' produced longer leaves at flowering than `Apple Blossom' and `Sun Dance'. Three media that led to the production of the longest leaves, a desirable trait, were: Sunshine no. 4, Fafard 3-B, and Sunshine Post-Harvest. `Apple Blossom' was the tallest cultivar followed by `Sun Dance', `Red Lion', and `Summertime'. Effects of the planting medium on total plant height were variable. The overall plant quality ratings for use as potted plants ranged from 3.4 to 3.8 out of 4 for `Summertime', `Sun Dance', and `Red Lion'. `Apple Blossom' was rated 3.0 because it was tall and had short leaves. It would be suitable as a cut flower. Regardless of the planting medium used, `Apple Blossom' lost the greatest amount of old basal roots. Consequently, it produced many new basal roots. The planting medium had variable effects on old and new basal roots and secondary root growth, depending on the cultivar. Based on all the flowering criteria and the rooting responses, the best media for all cultivars as potted plants were Fafard 3-B and Sunshine Mix no. 4. Fafard no. 2 was best for cut-flower usage since it produced taller plants with a good root system.

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Influence of Short Periods of Restricted Soil Aeration on Development of Tulips

Cited by 3 publications

References 0 publications

Root Physiology of Ornamental Flowering Bulbs

Root Physiology of Ornamental Flowering Bulbs

Tulip Veinal Streak, a Viral Disorder of Forced Tulips in the Glasshouse under Certain Environmental Conditions

Planting Medium Effects on Forced Swaziland- and Dutch-grown Hippeastrum Hybrids

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