Stem swelling of stem mustard, as affected by temperature and growth regulators

Guo, Danlu; Jiang, You-Tiao; Zeng, G.W.; Shah, Ghazanfar Ali

doi:10.1016/0304-4238(94)90070-1

Cited by 12 publications

(10 citation statements)

References 7 publications

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“…The addition of NAA reduced the promotive effects of BA in terms of cell number in all tissues of the pod wall. Similar adverse effects of BA + NAA were observed in Brassica juncea (Guo et al 1994). When all three substances were applied as a mixture, the pod wall was still thicker than in the untreated seeded pods but parenchyma in the dehiscence zone showed symptoms of autolysis.…”

Section: Controlssupporting

confidence: 58%

Growth and development of the pod wall in spring rape (Brassica napus) as related to the presence of seeds and exogenous phytohormones

Ancha

Morgan

1996

J. Agric. Sci.

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S U M M A R YPod wall photosynthesis is known to contribute to nearly one-third of rape (Brassica napus) seed weight. The relationship between the number of seeds and the growth of the pod wall, and the effects of single and mixed applications of gibberellic acid (GA), naphthyl acetic acid (NAA) and benzyl adenine (BA) on development of the pod wall were, therefore, examined in potted plants of spring rape under glasshouse conditions.The size and weight of the pod wall were closely associated with the number of seeds per pod, and a stronger development of tissues was observed in the presence of seeds. Application of BA alone or in combination with GA (GA + BA) to emasculated flowers induced the development of parthenocarpic pods similar in size and shape to the untreated seeded pods. NAA applied singly or in mixtures produced abnormal pods. BA enhanced cell division in all tissues while GA and NAA caused expansion of parenchyma in the mesocarp. Application of BA or GA + BA at 1-5 rather than at 11-15 days after flower opening led to the development of bigger pods. Younger pods responded more than the older ones when they were treated simultaneously. BA or GA + BA application to nonemasculated flowers on the terminal raceme delayed senescence in both basal and apical pods but it increased pod size only in the latter. The balance of cytokinins and gibberellins within a pod seems to play an important role in regulating the growth of the pod wall.

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Section: Controlssupporting

confidence: 58%

Growth and development of the pod wall in spring rape (Brassica napus) as related to the presence of seeds and exogenous phytohormones

Ancha

Morgan

1996

J. Agric. Sci.

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“…The swelling of the stem mustard is a complex process and is the most important factor that determines the yield. Temperature, photoperiod, cell division, and endoreduplication are known to influence stem swelling (Guo et al, 1994; Shi et al, 2012). So far, research on stem mustard has been mainly focused on genetics and breeding, physiological, biochemical, and traditional classification.…”

Section: Introductionmentioning

confidence: 99%

Identification of the GRAS gene family in the Brassica juncea genome provides insight into its role in stem swelling in stem mustard

Li¹,

Sun²,

Xie³

et al. 2019

PeerJ

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GRAS transcription factors are known to play important roles in plant signal transduction and development. A comprehensive study was conducted to explore the GRAS family in the Brassica juncea genome. A total of 88 GRAS genes were identified which were categorized into nine groups according to the phylogenetic analysis. Gene structure analysis showed a high group-specificity, which corroborated the gene grouping results. The chromosome distribution and sequence analysis suggested that gene duplication events are vital for the expansion of GRAS genes in the B. juncea genome. The changes in evolution rates and amino acid properties among groups might be responsible for their functional divergence. Interaction networks and cis-regulatory elements were analyzed including DELLA and eight interaction proteins (including four GID1, two SLY1, and two PIF3 proteins) that are primarily involved in light and hormone signaling. To understand their regulatory role in growth and development, the expression profiles of BjuGRASs and interaction genes were examined based on transcriptome data and qRT-PCR, and selected genes (BjuGRAS3, 5, 7, 8, 10, BjuB006276, BjuB037910, and BjuA021658) had distinct temporal expression patterns during stem swelling, indicating that they possessed diverse regulatory functions during the developmental process. These results contribute to our understanding on the GRAS gene family and provide the basis for further investigations on the evolution and functional characterization of GRAS genes.

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“…tsatsai), tsatsai in Chinese, is a very important vegetable crop grown in China (Liu, 1996). Stem mustard is a swelling stem vegetable widely grown in the Changjiang River valley, especially in Shichuan and Zhejiang provinces of China, but is not well known in other countries (Guo et al, 1994). Successful in vitro culture, regeneration, propagation and transformation from other Brassica species have been reported (Mathews et al, 1985(Mathews et al, , 1990Metz et al, 1995;Eapen and George, 1997;Cao and Earle, 2003;Wahlroos et al, 2003).…”

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confidence: 99%

Effect of cytokinins on shoot regeneration from cotyledon and leaf segment of stem mustard (Brassica juncea var. tsatsai)

Guo

Zhu

et al. 2005

Plant Cell Tiss Organ Cult

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Cotyledon and leaf segments of stem mustard (Brassica juncea var. tsatsai) were cultured on Murashige and Skoog medium supplemented with various concentrations of different cytokinins [6-benzyladenine (BA), N-(2-chloro-4-pyridyl)-n-phenylurea (CPPU), 6-furfurylaminopurine (KT) and thidiazuron (TDZ)] in combinations with different levels of a-naphthalene acetic acid (NAA). The shoot regeneration frequency of cotyledon and leaf segment was dependent on the kinds and concentrations of cytokinins used in the medium, while in most cases cotyledon gave high regeneration frequency than leaf segment. TDZ proved to be the best cytokinin to induce shoot from both cotyledon and leaf segments compared to BA, KT and CPPU. The highest frequency of shoot regeneration was 61.3-67.9 % in cotyledon and 40.7-52.4% in leaf segment respectively when 2.27 or 4.54 lM TDZ was combined with 5.37 lM NAA. Next to TDZ, CPPU was also very suitable to induce shoot formation both in cotyledon and leaf segment. When 1.61 lM CPPU was combined with 2.69 lM NAA, shoot regeneration frequency was 45.0% in cotyledon and 36.4% in leaf segment, respectively. It was also shown that KT and BA affected shoot regeneration from cotyledon and leaf segment, the shoot regeneration was greatly increased when NAA was added together with cytokinins.

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Stem swelling of stem mustard, as affected by temperature and growth regulators

Cited by 12 publications

References 7 publications

Growth and development of the pod wall in spring rape (Brassica napus) as related to the presence of seeds and exogenous phytohormones

Growth and development of the pod wall in spring rape (Brassica napus) as related to the presence of seeds and exogenous phytohormones

Identification of the GRAS gene family in the Brassica juncea genome provides insight into its role in stem swelling in stem mustard

Effect of cytokinins on shoot regeneration from cotyledon and leaf segment of stem mustard (Brassica juncea var. tsatsai)

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