scholarly journals Effect of frost injury on quality of flax seed

1994 ◽  
Vol 74 (2) ◽  
pp. 331-333 ◽  
Author(s):  
G. H. Gubbels ◽  
D. M. Bonner ◽  
E. O. Kenaschuk
Keyword(s):  
Linum Usitatissimum ◽  
Seed Quality ◽  
Frost Damage ◽  
Laboratory Studies ◽  
Flax Seed ◽  
Linum Usitatissimum L ◽  
Damage Seed ◽  
Frost Injury ◽  
Normal Seed

In field and laboratory studies, flax (Linum usitatissimum L.) was frozen when 40–60% of the capsules were still green. Seed visibly frozen at this stage were of lower weight and density, darker in color, and lower in germinabihty than the fraction of the sample that was not visibly frozen. Also, oil color was darker, oil and protein concentrations and stearic and oleic acid levels were lower, and palmitic, linoleic and linolenic acid levels and iodine values were higher in the frozen than the normal seed. Key words: Flax, Linum usitatissimum, frost damage, seed quality, germination

Use of desiccants to reduce frost damage in immature flax

1994 ◽  
Vol 74 (1) ◽  
pp. 121-123 ◽  
Author(s):  
G. H. Gubbels ◽  
D. M. Bonner ◽  
E. O. Kenaschuk
Keyword(s):  
Key Words ◽  
Linum Usitatissimum ◽  
Yield Loss ◽  
Seed Quality ◽  
Frost Damage ◽  
Glufosinate Ammonium ◽  
Linum Usitatissimum L ◽  
Damage Seed ◽  
Plant Samples

The desiccants diquat, glufosinate-ammonium, dimethipin and glyphosate were applied to flax when 44–84% of the capsules were green to reduce damage from subsequent frost. Beginning 3 d after desiccant application, plant samples were taken at 2–4 d intervals and exposed to a temperature at −20 °C overnight. Diquat application gave the most promising results, reducing the proportion of discolored seed and sometimes reducing loss of germinability, while resulting in a small yield loss compared with freezing of untreated plants. Key words: Flax, Linum usitatissimum L., desiccants, frost damage, seed quality, germination

Frost tolerance of maturing flax

1993 ◽  
Vol 73 (1) ◽  
pp. 167-170
Author(s):  
D. M. Bonner ◽  
G. H. Gubbels ◽  
E. O. Kenaschuk
Keyword(s):  
Key Words ◽  
Linum Usitatissimum ◽  
Frost Damage ◽  
Frost Tolerance ◽  
Immature Seed ◽  
Laboratory Studies ◽  
Linum Usitatissimum L ◽  
Considerable Damage

In field and laboratory studies, frost damage to immature flax (Linum usitatissimum L.) increased as temperatures fell below −2 °C. In general, considerable damage occurred where temperatures dropped to the −3 to −5 °C range for immature seed, −4 to −5 °C for leaves, pedicels and capsule tissue, and −6 to −7 °C for stems. Key words: Flax, Linum usitatissimum L., frost tolerance

EFFECTS OF UNUSUAL FIELD WEATHERING ON THE QUALITY OF FLAX SEED

1973 ◽  
Vol 53 (4) ◽  
pp. 907-910 ◽  
Author(s):  
D. G. DORRELL
Keyword(s):  
Seed Coat ◽  
Linum Usitatissimum ◽  
Seed Weight ◽  
Flax Seed ◽  
Linum Usitatissimum L ◽  
The Poor ◽  
Percent Germination ◽  
Flax Seeds ◽  
New Crop

In 1971, the percentage of poorly matured flax seeds (Linum usitatissimum L.) in southern Manitoba was unusually high. This seed was discolored and tended to clump due to portions of the capsule septa adhering to the seed coat. Samples of flax seed selected from the new crop survey conducted by the Canadian Grain Commission were divided into normal and poor or weathered seeds. The poor seeds had a lower seed weight, lower percent germination, and darker oil, but an iodine number higher than the normal seeds. There were no consistent differences in oil and protein content. It appears that seeds with this type of weathering are acceptable for crushing but unacceptable for seeding.

STORABILITY OF FROST-DAMAGED CANOLA

1984 ◽  
Vol 64 (3) ◽  
pp. 529-536 ◽  
Author(s):  
J. T. MILLS ◽  
K. M. CLEAR ◽  
J. K. DAUN
Keyword(s):  
Brassica Napus ◽  
Seed Quality ◽  
Frost Damage ◽  
Quality Parameters ◽  
Sampling Occasion ◽  
Laboratory Studies ◽  
Brassica Napus L ◽  
Factors Associated

Changes in the quality of frost-damaged canola seeds (Brassica napus L. and B. campestris L.) from 21 bins in Manitoba were studied on four occasions (Rounds 1 to 4) during October 1982 to April 1983. Twenty-two quality parameters were assessed on seed samples obtained at two bin depths on each sampling occasion. Generally, quality of seeds in official grades 2CR, 3CR and Sample Canada Account Damaged because of frost, did not decline during storage. Laboratory studies with jars of frost-damaged seeds stored at 6–12% MC and 5–25 °C for 49 days indicated that smell was a more rapid indicator of incipient deterioration than visible mold. Results from bin and laboratory studies showed that storage of frost-affected seeds, which had been binned dry, was influenced primarily by factors associated with seed immaturity rather than by development of spoilage molds. Heating was detected during Round 1 in six nonaerated bins. Spoilage and heating problems in frost-damaged canola are most likely to occur during the first weeks of storage but can be prevented and controlled by aeration and careful bin management.Key words: Brassica napus L., B. campestris L., seed quality, frost damage, storability

scholarly journals Effect Of Preserved Seeds Using Different Botanicals On Seed Quality Of Lentil

1970 ◽  
Vol 36 (3) ◽  
pp. 381-387 ◽  
Author(s):  
A Khatun ◽  
G Kabir ◽  
MAH Bhuiyan ◽  
D Khanam
Keyword(s):  
Moisture Content ◽  
Azadirachta Indica ◽  
Seed Quality ◽  
Shoot Length ◽  
Germination Capacity ◽  
Laboratory Studies ◽  
Polygonum Hydropiper ◽  
Vigour Index ◽  
Leaf Powder

Laboratory studies were conducted with leaf powder of three plants to show the preservative effect for maintaining the quality of lentil seeds in storage. After processing and drying, seeds were preserved with different botanicals and stored them in earthen pots for eight months. Botanicals, such as whole leaf powder of neem (Azadirachta indica), dholkalmi (Ipmoea sepiara), and bishkatali (Polygonum hydropiper) were used at a dose of 5% w/w (25 g botanical per 500 g of lentil seeds). The lentil seeds were stored till next planting time and seed quality, such as moisture content, germination capacity, root length, shoot length of the seedlings and vigour index were observed. The highest values for all these characters except moisture content were significant when the seeds were preserved with neem leaf powder and bishkatali. Among three botanicals, dholkalmi was less effective. Keywords: Lentil; botanicals; storage; seed quality DOI: http://dx.doi.org/10.3329/bjar.v36i3.9266 BJAR 2011; 36(3): 381-387

Prairie Thunder flax

2014 ◽  
Vol 94 (2) ◽  
pp. 445-449 ◽  
Author(s):  
S. D. Duguid ◽  
K. Y. Rashid ◽  
E. O. Kenaschuk
Keyword(s):  
Fusarium Oxysporum ◽  
Linum Usitatissimum ◽  
Seed Quality ◽  
Agronomic Traits ◽  
Research Station ◽  
Linum Usitatissimum L ◽  
The Cross ◽  
Made In

Duguid, S. D., Rashid, K. Y. and Kenaschuk, E. O. 2014. Prairie Thunder flax. Can. J. Plant Sci. 94: 445–449. Prairie Thunder, medium-maturing oilseed flax (Linum usitatissimum L.), was released in 2006 by Agriculture and Agri-Food Canada, Morden Research Station, Morden, Manitoba. Developed from the cross AC Watson/FP1043 made in 1995, Prairie Thunder was evaluated in the Flax Cooperative Trials (2002–2004) before being registered in 2006. Prairie Thunder's desirable combination of improved agronomic traits, seed quality and superior wilt (Fusarium oxysporum Schlecht. f. sp. lini (Bolley) Snyder & Hansen) resistance should make this cultivar useful for producers and the flax industry.

scholarly journals Enhancement of bioavailable iron and calcium contents in fermented linseed (Linum usitatissimum L.) beverages

2018 ◽  
Author(s):  
V.C. Suvarna ◽  
N. Nivetha ◽  
A.J. Shraddha ◽  
R.U. Abhishek
Keyword(s):  
Phytic Acid ◽  
Linum Usitatissimum ◽  
Acid Content ◽  
Nutritional Quality ◽  
Fiber Quality ◽  
Phytic Acid Content ◽  
Nutritional Factors ◽  
Linum Usitatissimum L ◽  
Iron And Calcium

Linseed (Linum usitatissimum L.) is considered as a nutritious food because of exceptionally high alpha-linolenic acid (ALA) content, dietary fiber, quality protein and phytoestrogens. It is rich in minerals (100 g of seeds contain 350-431 mg of magnesium and 236- 250 mg of calcium) and has very low amount of sodium. It also contains anti-nutritional factors, especially phytic acid that interferes with the bioavailability of nutrients like calcium and iron. Fermentation increases the nutritional quality of foods by reducing anti-nutritional factors. Probiotic cultures viz., Lactobacillus acidophilus, Bacillus mesentericus and lactic acid bacterial isolate LAB-3 were used to produce fermented linseed beverage and the quantity of phytic acid, bioavailability of iron and calcium were estimated. Bioavailability of iron and calcium increased by fermentation. The highest bioavailable iron and calcium were observed in L. acidophilus fermentation (4.40 mg and 250.41 mg /100 g seeds, respectively) followed by LAB-3 and Bacillus mesentericus compared to raw seeds that contain 0.89 mg of iron and 125 mg of calcium /100g of seeds. Phytic acid content was high in raw seeds (1392 mg /100 g seeds) and fermentation with L. acidophilus recorded 856 mg phytic acid /100 g seeds resulting in 38.51 % reduction. LAB-3 and B. mesentericus showed approximately 32 % reduction in phytic acid content. The reduction in phytic acid content is significantly high. Fermentation using probiotic bacteria enhanced the bioavailability of iron and calcium by reducing phytic acid. Hence, this study leads to a conclusion that, microbial intervention can be adopted to reduce the anti-nutritional factors and enhance the nutritional quality of linseed.

EFFECT OF WEED INTERFERENCE ON YIELD AND QUALITY OF FLAX SEED OIL

1986 ◽  
Vol 66 (4) ◽  
pp. 1037-1040 ◽  
Author(s):  
G. H. FRIESEN
Keyword(s):  
Seed Oil ◽  
Field Experiments ◽  
Linseed Oil ◽  
Flax Seed ◽  
Weed Species ◽  
Weed Interference ◽  
Linum Usitatissimum L ◽  
Yield And Quality ◽  
Seed Yields

In 26 field experiments over a 4-yr period, weed interference significantly reduced the oil content of flax seed (Linum usitatissimum L. ’Linott’) in 21 of the experiments and the iodine value of flax seed oil in 19 of the experiments, regardless of dominant weed species. Seed density and seed weight were not seriously affected by weed interference. Flax seed yields were reduced by weed interference in 25 of the experiments.Key words: Flax, weed competition, linseed oil

scholarly journals Effect of Nodal Position of Fruits on Seed Quality of Okra (Abelmoschus esculentus L. Moench)

2020 ◽  
pp. 50-54
Author(s):  
Sunil Kumar ◽  
Satbir Singh Jakhar ◽  
Anil Kumar Malik ◽  
Sangeet Kumar
Keyword(s):  
Seed Production ◽  
Seedling Establishment ◽  
Seed Quality ◽  
Dry Weight ◽  
Field Studies ◽  
Abelmoschus Esculentus ◽  
Laboratory Studies ◽  
Seedling Length ◽  
Nodal Position

The present study was carried out in the field and laboratory of the Department of Seed Science and Technology, CCS Haryana Agricultural University, Hisar, Haryana during 2018-2019 to know the effect of nodal position of fruits on seed quality of okra. The parameters recorded during laboratory studies were i.e. germination, seedling length, seedling dry weight, vigour indices-1 & 2 and field studies were i.e. field emergence index, seedling establishment. The results indicated that the best nodal position of fruits for quality seed production was middle nodes (6th to 10th) as compared to lower nodes (1st to 5th) and upper nodes (11th to 15th) and the control.

Yield quantity and quality of two linseed (Linum usitatissimum L.) cultivars as affected by sowing date

2020 ◽  
Vol 158 ◽  
pp. 112947
Author(s):  
Atefeh Mirzaie ◽  
Keyvan Mohammadi ◽  
Sogand Parvini ◽  
Mahmud Khoramivafa ◽  
Mohsen Saeidi
Keyword(s):  
Linum Usitatissimum ◽  
Sowing Date ◽  
Linum Usitatissimum L
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