Seed yield

Species Seed yield, kg/hm Average Seed oil yield Potential ... 

D. datum, L. Of the three alkaloids noted by Keller in the seeds of this species, one, unnamed, was crystalline, had the formula 33 -5iOgN and m.p. 218°. According to Goodson, the seeds yield 1-7 per cent, of alkaloids from which three bases were isolated —... 

D-tubocurarine from Chondrodendron tomentosum Ruiz et Pav. and Rauvolfia serpentina Benth. et Kurz and horse radish peroxidase 3 mg/ml, which prevent the peroxide formation, block the fruit formation as a whole, while yohimbine and gaillardine inhibit the seed formation. Neostigmine stimulates the fruit and seed yield, although its precursor physostigmine has no significant effect (Roshchina and Melnikova, 1998). 

CHOE, S, FUJIOKA, S., NOGUCHI, T., TAKATSUTO, S. YOSHIDA, S., FELDMANN, K.A., Overexpression of DWARF4 in the brassinosteroid biosynthetic pathway results in increased vegetative growth and seed yield in Arabidopsis, Plant J., 2001,26, 1-11. 

The effect of zearalenone on crop development may be connected to its influence on the status and functioning of the photosynthetic apparatus (Koscielniak et al. 2008). The after-effects of zearalenone on the growth of soybean and wheat plants, net photosynthesis and transpiration rates, stomatal conductance, photochemical efficiency of photosystem 2 and on final seeds yield were determined. Modifications in leaf area were more pronounced in soybean than in wheat, and this tendency increases in successive developmental phases. The net photosynthesis was stimulated during the juvenile phase and during that of the final one by about 13.6% (average) in soybean plants. Stimulation of transpiration was also observed after... 

Seed yield in cucurbits is seldom investigated because commercial production of the carbohydrate-rich fruit is the major concern. Wide variations in sizes and weights of seeds, numbers of seeds per fruit and even numbers of fruits per plant seems the rule, particularly in wild plants and even within one species (7). Estimations from limited observations of C. foetidissima, Z. digitata and C. palmata growing wild in desert areas indicate theoretical yields Trom ot) to 3,000 lb of seeds per acre ( ,9h C. foetidissima cultivated in northwestern Texas yields approximately 700 to 2,000 lb of seeds per acre (10). C. pepo (pumpkin) produces up to 1,200 lb per acre and an improved seed-coatless line yields from 1,200 to 1,400 lb of seed per acre ( , 11). These yields are comparable to yields of oilseeds of commerce. 

Seeding yields a null initial condition except for... 

The Lesquerella seed yields roughly 20-25 % oil by weight. The functional fatty acid from the profile is mainly the 20-carbon lesquerolic acid, or 14-hydroxy-ll-eicosenoic acid (Fig. 9). 

Goins, G. D., Yorio, N. C., Sanwo, M. M., Brown, C. S. (1997). Photomorphogenesis, photosynthesis, and seed yield of wheat plant grown under red light-emitting diodes (LEDs) with and without supplement blue lighting. J. Exp. Bot, 48, 1407-1413. 

Other studies show the presence of a diversity of compounds other than limonoids as defenses in the tissues of Meliaceae. Woody tissues of Trichilia trifolia afforded three novel dolabellanes with flexible Curing structures. These substances were very active antifeedants in the Sitophilus bioassay (Ramirez et al., 2000). T. martiana seeds yielded large amounts of 2-((Z,Z)-6,9-heptadecadienyl)furan. T. hirta and T. americana bark have yielded novel steroids by insect bioassay-guided isolation and application of a nanoprobe nuclear magnetic resonance (NMR) technique for structure elucidation (Chaurest etal.,1996). Compounds isolated included hydroxyandrosta-l,4-diene-3,16-dione (Fig. 1.4) and derivatives. However, studies by Wheeler et al. (2001) suggest that other unidentified compounds may also be... 

The oleoresin of parsley provides a flavour characteristic of the entire plant, and is used in chicken- and potato-soup bases, salad dressings, meatball seasonings, etc. Extraction by CO2 of Austrian parsley seed yields about 15% with extraction conditions of 450 bar and 65°C. 

Two plants both produce carvone, but the mint leaves yield the "left-handed" form, while the caraway seeds yield the "right-handed" form. 

In this connection, different strategies are in principle possible. The first involves use of porous seeds that can be swollen or (in the case of a rigid porous seed) imbibed with the monomer mixture yielding the MIP. Subsequent polymerisation within the seeds yields a composite in beaded form containing the MIP component. The seed can be subsequently removed prior to MIP use or left in the composite. 

Taylor, B.R. and Morrice, L.A.F. 1991. Effects of husbandry practices on the seed yield and oil content of linseed in Northern Scotland. J. Sci. Food Agric. 57, 189-198. 

Hampton, J.G. Fungicidal effects on stem rust, green leaf area, and seed yield in Grasslands Nui perennial ryegrass. New Zealand J Exp Agri 1986 14 7-12. 

African nutmeg (Monodora mynstica Dund Gaerth) seeds yielded 4.6% essential oil. The oil contained 75% monoterpene hydrocarbons (Table 9.9). The major components were a-phellandrene (50.4%), a-pinene (5.5%) and myrcene (4.35%). The oil contained 3% sesquiterpene hydrocarbons and oxygenated compounds such... 

The saponifiable portion of the fatty oil accounts for about 90% of the total fixed oil and is characterized by a very high content of octadecenoic acids. Petroselinic and oleic acid occur at similar levels and jointly comprise 74-85%, linoleic 7-16% and palmitic 4-8%, of the constituent fatty acids. During prolonged storage of the spice, the free fatty acid content gradually increases and this is a good indicator of the age of the material. The contents of fatty acids, sterols and total tocopherols in a deodorized oil derived from coriander seeds (yield up to 28%) are compared with those in sunflower oil and tests on the biological effects of coriander oil are reported by Mironova et al. (1991). Of the fatty acids present, total C18 1 acids (petroselinic acid + oleinic acids) constituted 80—82% and petroselinic acid alone 50—60%, and the food value was lower than that of sunflower oif. Kim et al. (1996) found the production of petroselinic acid from cell suspension cultures of C. Sativum. 

Hydrodistillation of coriander seeds yields about 0.35% (w/w) oil based on dry weight (Msaada et al., 2007). Extraction of ripe fruits of C. sativum by steam distillation and by supercritical fluid extraction (SEE), using C02, was compared. The percentage composition of the 40 identified compounds was compared with the composition of commercial coriander oil extracted by hydrodistillation. The oil obtained by SFE showed some quantitative and qualitative differences, giving a superior aroma compared with that of the oil obtained by hydrodistillation (Anitescu et al., 1997). 

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