Comparative growth analysis of <i>Brassica napus</i> and <i>Brassica juncea</i> under Swedish conditions

Kjellström, C.

doi:10.4141/cjps93-102

Cited by 17 publications

(9 citation statements)

References 11 publications

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“…Similar growth curves for TDM accumulation in a Brassica crop were reported by others (Scott et al. 1973, Allen and Morgan 1975, Kjellstrom 1993). The highest rate of fertilizer application (F5) gave significantly higher TDM than the control (F0) or the lower rates of fertilizer application (F1–F4) in both years (Fig.…”

Section: Resultssupporting

confidence: 87%

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Effects of Time and Rate of Nitrogen and Phosphorus Application on the Growth and the Seed and Oil Yields of Canola (Brassica napus L.)

Cheema

Malik

Hussain

et al. 2001

J Agronomy Crop Science

133

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A field study was conducted to investigate the influence of variable rates of application of N and P fertilizers in splits at various times on the growth and the seed and oil yields of canola (Brassica napus L.) during 1995–97. Rates of fertilizer application were 0 and 0 (F0), 60 and 0 (F1), 0 and 30 (F2), 60 and 30 (F3), 90 and 60 (F4) and 120 and 90 (F5) kg N ha−1 and kg P2O5 ha−1. All the P was applied at sowing while N was applied in splits, i.e. all at sowing, half at sowing and half with first irrigation, or half at sowing and half at flowering. The responses of growth, seed yield and components of yield were consistent in both years. Increasing the rate of fertilizer application from F4 (90/60 kg N/P2O5 ha−1) to F5 (120/90 kg N/P2O5 ha−1) increased the leaf area index (LAI) relative to the control and to lower rates of fertilizer application. For both crops, application of 90/60 kg N/P2O5 ha−1 significantly enhanced total dry matter (TDM) and seed yield. Seed yield increased mainly due to a greater number of pods per plant and seeds per seed‐pod. The time of fertilizer application did not significantly affect seed yield or components of yield in either season. Oil yield generally followed seed yield, increasing with increasing rate of fertilizer application up to 90/60 kg N/P2O5 ha−1. The maximum oil contents were obtained from the control. The results show that seed and oil yields of canola were maximized at the F4 (90/60 kg N/P2O5 ha−1) rate of application under the agro‐ecological conditions of Faisalabad, Pakistan.

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Section: Resultssupporting

confidence: 87%

“…This type of LAI curve is common in many species, such as chickpea (Hussain and Field 1990) mustard (Scott et al. 1973, Allen and Morgan 1975, Kjellstrom 1993, Gammellvind et al. 1996, Kumar et al.…”

Section: Resultsmentioning

confidence: 97%

Effects of Time and Rate of Nitrogen and Phosphorus Application on the Growth and the Seed and Oil Yields of Canola (Brassica napus L.)

Cheema

Malik

Hussain

et al. 2001

J Agronomy Crop Science

133

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“…Indian mustard has an enormous potential for semiarid conditions and is known to be more drought‐tolerant and shattering‐resistant than B. napus and B. campestris (Woods et al 1991; Getinet et al 1996). It matures earlier than B. napus (Kjellstrom 1993) and consequently escapes the attack of aphids and hairy caterpillar. Furthermore, it has better resistance to lodging than rapeseed.…”

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confidence: 99%

Assessment of Genetic Variation Within Indian Mustard (Brassica juncea) Germplasm Using Random Amplified Polymorphic DNA Markers

Khan¹,

Rabbani²,

Munir³

et al. 2008

JIPB

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Genetic diversity among 45 Indian mustard (Brassica juncea L.) genotypes comprising 37 germplasm collections, five advance breeding lines and three improved cultivars was investigated at the DNA level using the random amplified polymorphic DNA (RAPD) technique. Fifteen primers used generated a total of 92 RAPD fragments, of which 81 (88%) were polymorphic. Of these, 13 were unique to accession 'Pak85559'. Each primer produced four to nine amplified products with an average of 6.13 bands per primer. Based on pairwise comparisons of RAPD amplification products, Nei and Li's similarity coefficients were calculated to evaluate the relationships among the accessions. Pairwise similarity indices were higher among the oilseed accessions and cultivars showing narrow ranges of 0.77-0.99. An unweighted pair-group method with arithmetic averages cluster analysis based on these genetic similarities placed most of the collections and oilseed cultivars close to each other, showing a low level of polymorphism between the accessions used. However, the clusters formed by oilseed collections and cultivars were comparatively distinct from that of advanced breeding lines. Genetically, all of the accessions were classified into a few major groups and a number of individual accessions. Advanced breeding lines were relatively divergent from the rest of the accessions and formed independent clusters. Clustering of the accessions did not show any pattern of association between the RAPD markers and the collection sites. A low level of genetic variability of oilseed mustard was attributed to the selection for similar traits and horticultural uses. Perhaps close parentage of these accessions further contributed towards their little diversity. The study demonstrated that RAPD is a simple and fast technique to compare the genetic relationship and pattern of variation among the gene pool of this crop.

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“…Taylor, et al (1991), observed that split applications of N were not more effective than application of the total amount of N at seeding. The highest rates of fertilizer application were reported to give significantly higher total dry weight than the lowest rate of fertilizer application (Singh, et al, 1991& Kjellstrom, 1993. Taylor, et al (1991) reported that despite seasonal differences, shoot dry matter significantly increased as application rate of fertilizer increased.…”

Section: Introductionmentioning

confidence: 99%

Performance of Canola (Brassica napas L.) Seed Yield, Yield Components and Seed Quality under the Effects of Four Genotypes and Nitrogen Fertilizer Rates

El‐Nakhlawy¹,

Bakhashwain²

2009

met

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Comparative growth analysis of Brassica napus and Brassica juncea under Swedish conditions

Cited by 17 publications

References 11 publications

Effects of Time and Rate of Nitrogen and Phosphorus Application on the Growth and the Seed and Oil Yields of Canola (Brassica napus L.)

Effects of Time and Rate of Nitrogen and Phosphorus Application on the Growth and the Seed and Oil Yields of Canola (Brassica napus L.)

Assessment of Genetic Variation Within Indian Mustard (Brassica juncea) Germplasm Using Random Amplified Polymorphic DNA Markers

Performance of Canola (Brassica napas L.) Seed Yield, Yield Components and Seed Quality under the Effects of Four Genotypes and Nitrogen Fertilizer Rates

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