Dry matter production and distribution of zinc in bread and durum wheat genotypes differing in zinc efficiency

1996 ◽  
Vol 180 (2) ◽  
pp. 173-181 ◽  
Author(s):  
I. Cakmak ◽  
N. Sari ◽  
H. Marschner ◽  
M. Kalayci ◽  
A. Yilmaz ◽  
...  
Keyword(s):  
Durum Wheat ◽  
Dry Matter ◽  
Dry Matter Production ◽  
Zinc Efficiency ◽  
Wheat Genotypes ◽  
Matter Production ◽  
Production And Distribution

scholarly journals Effect of Ppd-1 photoperiod sensitivity genes on dry matter production and allocation in durum wheat

2018 ◽  
Vol 221 ◽  
pp. 358-367 ◽  
Author(s):  
Conxita Royo ◽  
Karim Ammar ◽  
Christian Alfaro ◽  
Susanne Dreisigacker ◽  
Luis Fernando García del Moral ◽  
...  
Keyword(s):  
Durum Wheat ◽  
Dry Matter ◽  
Photoperiod Sensitivity ◽  
Dry Matter Production ◽  
Matter Production ◽  
Photoperiod Sensitivity Genes

The influence of low rates of air-dried biosolids on yield and phosphorus and zinc nutrition of wheat (Triticum durum) and barley( Hordeum vulgare)

Soil Research ◽  
2003 ◽  
Vol 41 (2) ◽  
pp. 293 ◽  
Author(s):  
Karin Weggler-Beaton ◽  
Robin D. Graham ◽  
Michael J. McLaughlin
Keyword(s):  
Hordeum Vulgare ◽  
Durum Wheat ◽  
Triticum Durum ◽  
Dry Matter ◽  
P Uptake ◽  
Yield Potential ◽  
Dry Matter Production ◽  
Mineral Fertiliser ◽  
Matter Production ◽  
Fertiliser Application

In field studies in 1992 and 1993, biosolid applications of 2 t/ha with supplements of mineral N and P were compared with a standard mineral fertiliser application (20 kg N/ha, 20 kg P/ha, 1.8–2.8 kg Zn/ha, 1.4–1.9 kg Cu/ha, 0.5–4 kg Mn/ha) on 4 soil types. Biosolid rates from 2 to 10 t/ha were applied in 1993. Shoot dry matter production at different stages of plant development (9 and 15 weeks after sowing) and grain production of Triticum durum and Hordeum vulgare, as well as nutrient concentration in shoots and grain, were taken as indicators for comparing nutrient availability of the 2 sources. A 2-t biosolid application was found to enhance dry-matter production and yield to the same extent as a mineral fertiliser application of 20 kg N/ha, 20 kg P/ha, and 1.8–2.8 kg Zn/ha. In some crop rotations and on sites with a high yield potential, additional nitrogen with 2 t biosolids/ha would be necessary to achieve such yields. However, development of durum wheat fertilised with 2 t biosolids was slower and P uptake lower than with mineral fertiliser until late booting. Durum wheat fertilised with 4 t biosolids showed similar P-uptake values as plants fertilised with the mineral fertiliser. The Zn-uptake of plants was positively correlated with biosolid application rates, showing a linear relationship. A 2-t biosolid application alleviated micronutrient deficiency to the same extent as the same rate of Zn (and Cu) given in mineral form.

Growth response of western hemlock and Douglas-fir seedlings to temperature regimes during day and night

1971 ◽  
Vol 49 (2) ◽  
pp. 289-294 ◽  
Author(s):  
H. Brix
Keyword(s):  
Dry Matter ◽  
Douglas Fir ◽  
Western Hemlock ◽  
Stem Length ◽  
Dry Matter Production ◽  
Night Temperature ◽  
Temperature Regimes ◽  
Matter Production ◽  
Production And Distribution ◽  
Growing Conditions

Growth of western hemlock and Douglas-fir seedlings was studied under 11 controlled day–night temperature regimes ranging from 8 to 28 °C, and with light intensities of 450 and 1000 ft-c for 100 days after seed germination. Production and distribution of dry matter, together with length and diameter of stem, were measured. Douglas fir had a broad optimum temperature for growth between 18 and 24 °C, whereas hemlock had a pronounced optimum at 18 °C, especially at high light. High temperature was more detrimental to growth of hemlock than of Douglas fir. At 28 °C, dry matter production of hemlock was 7, and of Douglas fir 40% of the maximum. Low temperature similarly affected the two plants. A constant day–night temperature regime was as good or better than alternating temperatures for both plants. Day temperature was more effective in increasing growth than night temperature. Light intensity, for most temperature regimes, had a pronounced effect on dry matter production, less on stem diameter, and little or none on stem length. Dry matter production of hemlock was considerably lower than for Douglas fir for all growing conditions.

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