Juvenile and Adult Plant Growth Relationships in Wheat
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Allan, R. E.; Pritchett, J. A.; Patterson, A.M.

doi:10.2135/cropsci1968.0011183x000800020012x

Cited by 7 publications

(4 citation statements)

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“…However, exceptions to this have also been reported (Chowdhry & Allan, 1966). Allan et al (1968) found a divergence in the degree of relationship between culm length (plant height) and coleoptile length which is related to percentage emergence. This was attributed to the complex genetic control of coleoptile length and culm length and suggested that only some of the several genes that regulate the growth of culm length and coleoptile length affect both traits.…”

Section: Discussionmentioning

confidence: 92%

“…It has been reported that some deeply sown tall varieties emerge better than short varieties (Burleigh et al 1965;Allan et al 1968;Feather et al 1968). However, exceptions to this have also been reported (Chowdhry & Allan, 1966).…”

Section: Discussionmentioning

confidence: 98%

“…By deep sowing, however, seedling emergence is reduced, especially if sowing depth exceeds maximum coleoptile length (Feather, Qualset & Vogt, 1968). Short wheats, which generally have a short coleoptile, are affected by deep sowing more than tall wheats (Feather et al 1968;Allan, Pritchett & Patterson, 1968;Burleigh, Allan &Vogel, 1965).…”

Section: Introductionmentioning

confidence: 99%

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Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

1977

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In field trials conducted over 8 years the effect of sowing depth on plant establishment, tillering capacity, plant height, grain yield, top growth weight and patterns of root development of wheat and barley was studied. Establishment, number of grainbearing tillers per established plant, plant height at maturity and grain yield and top growth weight per plot as well as per plant were reduced with increase in sowing depth from 2 to 20 cm. Seedling emergence started earlier from large seeds and from shallow sowing. Establishment from large seeds of two varieties was better, especially for deep sowing and in clay soils. Several patterns of root and tiller development were observed at various sowing depths. Varietal differences in stand establishment under field conditions were not related to plant height. It was concluded that deep sowing beyond around 10 cm should be avoided because stand and plant vigour are adversely affected.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 98%

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Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

1977

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“…The introduction of short-statured varieties was a major breakthrough in reducing genotype-environment interactions, besides increasing mean productivity, but it was soon recognized that a new source of instability was introduced with the short-statured wheats. This was uncertainty in stand establishment, primarily because the short wheats had a short coleoptile, and emergence was reduced if planting depth exceeded the maximum length of the coleoptile (Allan et al, 1962(Allan et al, , 1965(Allan et al, , 1968Chowdhry and Allan, 1966;Sunderman, 1964).…”

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confidence: 99%

Genotype-Environment Interactions in Wheat: Effects of Temperature on Coleoptile Length

Bhatt

Qualset

1976

Ex. Agric.

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A comparative analysis of biparental mating and selfing in pearl millet (Pennisetum typho�des) S & H

Singh

Murty

1973

Theoret. Appl. Genetics

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A study was made of the nature of variation and changes in association for characters related to yield, development and disease resistance in two sets of progenies one set derived through biparental mating (A-series) and the other by traditional inbreeding (selfing) from the F2 onwards (T-series), in a 22 × 22 diallel of dwarf derivatives of Pennisetum typhoides S & H. Comparison of means and variances within and between the two groups of progenies (A and T-series) and with those of released hybrids (HB-1, HB-2, HB-3, HB-4) for seventeen characters (six related to development, six to productivity, three to vegetative growth and one each to earliness and disease incidence) showed significant variation among the lines of the two series for synchrony of tillering, earliness, disease incidence, chlorophyll depth, grain hairiness, tiller number, plant height, length of earhead, grain yield and grain weight. The A-series selections were significantly superior to the T-series for most of the characters, indicating the effectiveness of selection in biparental matings compared with selection in selfed progenies for these traits. Many of the A-series (220 out of 800) selections were also superior to the existing released hybrids.Changes in the magnitude and nature of association among twelve important characters in the two populations were more favourable in the biparental matings: of 66 possible correlation coefficients examined, 25 cases were found with changes in favour of selections from biparental matings (A-series). These changes were probably due to the breakage of unfavourable linkages and changes in phase of linkage, and indicate the usefulness of biparental matings in the simultaneous improvement of the population for several attributes.

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Juvenile and Adult Plant Growth Relationships in Wheat ¹

Cited by 7 publications

References 0 publications

Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

Genotype-Environment Interactions in Wheat: Effects of Temperature on Coleoptile Length

A comparative analysis of biparental mating and selfing in pearl millet (Pennisetum typho�des) S & H

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Juvenile and Adult Plant Growth Relationships in Wheat 1

Cited by 7 publications

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Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

Effect of sowing depth on plant establishment, tillering capacity and other agronomic characters of cereals

Genotype-Environment Interactions in Wheat: Effects of Temperature on Coleoptile Length

A comparative analysis of biparental mating and selfing in pearl millet (Pennisetum typho�des) S & H

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Juvenile and Adult Plant Growth Relationships in Wheat ¹