GREEN SEED COAT COLOUR RETENTION IN LENTIL - University ...

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lentil seed coat, if a single harvest date is used for many genotypes. It is important to note that maturity had an effect in only 2005. When the 15 lentil genotypes used were grouped based on maturity significant differences appeared in the desirability of green seed coat colour within each group. The maturity of the plant could be slightly affecting the growing environment of the crop, and may have a confounding effect with green seed coat colour desirability. 78
6.0 GENERAL DISCUSSION Knowing which green lentil genotypes produce the most desirable samples in the field will help lentil growers immensely. Some estimates put the increased value of producing lentil one grade better to be $30,000,000 CDN annually (Dutton, 2007). Most of this money would go directly to lentil producers. Therefore it is important to have lentil genotypes that have the potential to produce more desirable green seed coats and to understand the agronomy involved to maximize the genotypic potential. A combined effort to realize the genotypic and agronomic parameters will maximize the economic potential of green lentil producers. Green seed coat colour in lentil is a complex trait. The genetics as well as the environment work together to produce the phenotype exhibited. In commercial green lentil fields approximately one half of the phenotypic expression of the seed coat colour can be attributed to the environment. It is therefore only part of the package for astute green lentil producers to have improved genotypes. They also need agronomic information to allow them the opportunity to produce the highest quality lentil. Based on the results from the preharvest treatment study, swathing 79
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GREEN SEED COAT COLOUR RETENTION IN
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ABSTRACT Poor seed coat colour desi
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ACKNOWLEDGEMENTS The author would l
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7.2 Maturity and Index Score ......
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Table 4.13 Acurum index score, tota
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1.0 INTRODUCTION Green lentil has b
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example canola. In wheat it is used
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carbohydrate, and micronutrient req
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It would also be useful for lentil
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process and categorize the data int
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Table 2.2 Descriptions of the colou
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2.4 Perceived seed colour in green
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2.6 Cotyledon chlorophyll degradati
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temperatures. The more enzyme activ
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the seed produces bleached seeds wi
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correlation between seed weight in
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used widely as a desiccant is that
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prevailing winds. A problem that oc
Page 37 and 38: and the higher the heritability est
Page 39 and 40: 4.1 Heritability Study Objectives 4
Page 41 and 42: Plant material for the study includ
Page 43 and 44: Table 4.4 Herbicide and desiccant a
Page 45 and 46: was a=0.05. The heritability was ca
Page 47 and 48: during the time taken to remove the
Page 49 and 50: normally distributed data. In 2006
Page 51 and 52: location and year explained a large
Page 53 and 54: The tester set that was included in
Page 55 and 56: etween field and phytotron index sc
Page 57 and 58: Table 4.10 shows the mean index sco
Page 59 and 60: Sutherland in 2005 produced the mos
Page 61 and 62: Table 4.12 Effect of changing the n
Page 63 and 64: wrinkling as sound seeds. It is dif
Page 65 and 66: negative relationship. The regressi
Page 67 and 68: Chlorophyll b content (mg/g) 120 10
Page 69 and 70: 1994). It is important to note howe
Page 71 and 72: estimates of which lines produced t
Page 73 and 74: in both years to produce two differ
Page 75 and 76: At the time of desiccation or swath
Page 77 and 78: a significant genotype x environmen
Page 79 and 80: Table 5.7 Mean green index score of
Page 81 and 82: All three groups for both desiccati
Page 83 and 84: index score was not equal for each
Page 85 and 86: Alternatively, the samples had less
Page 87: sclerotinia white mold (Sclerotinia
Page 91 and 92: The Acurum ® machine has some pote
Page 93 and 94: process. If small gains in desirabi
Page 95 and 96: for more efficient selection sooner
Page 97 and 98: 8.0 REFERENCES AAFC. 2007. Agricult
Page 99 and 100: Guiamét, J.J., E. Schwartz, E. Pic
Page 101 and 102: Shearer, S.A., G.M. Turner, M. Coll
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GREEN SEED COAT COLOUR RETENTION IN LENTIL - University ...

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