The effects of CO2 concentration on the canopy photosynthesis and winter bloom production of the glasshouse rose 'Sonia' (Syn. 'Sweet Promise')

Hand, D.W.; Cockshull, K.E., 1975: The effects of CO2 concentration on the canopy photosynthesis and winter bloom production of the glasshouse rose 'Sonia' (Syn. 'Sweet Promise'). Acta Horticulturae (51): 243-252

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Hand D.W.; Cockshull K.E., 1975: The effects of carbon di oxide concentration on the canopy photosynthesis and winter bloom production of the glasshouse rose sonia synonym sweet promise. Acta Horticulturae (Wageningen) 51: 243-252

Hughes, A.P.; Cockshull, K.E., 1969: Commercial bloom production in the glasshouse rose Pink Sensation. Studies were made on crops of Pink Sensation rose between 1963 and 1966. Cutting the flowers at one internode higher than usual, leaving one extra leaf and bud on the portion of stem remaining on the bush, resulted in 9% more flowers. However, the...

Berg, G.A. van den, 1984: Influence of higher night than day temperatures on the winter production of 'Sonia' roses under Dutch glasshouse conditions. If the day and night periods were both 12 h long, an increase in the night temperature and a proportional decrease in the day temperature, together with a constant 24 h temperature, led to a higher production but of lower quality. If a high night...

Sands, P.J., 1995: Modelling canopy production. II. From single-leaf photosynthesis parameters to daily canopy photosynthesis. This paper presents a simple algorithm for calculating daily canopy photosynthesis given parameters of the single-leaf light response, the canopy extinction coefficient, canopy leaf area index, daylength, daily solar irradiance and daily maximum a...

Hirota, O.; Takeda, T., 1988: Relationship between canopy architecture and crop production with reference to light and CO2 environments. V. Effects of the canopy height on foliage photosynthesis of grain sorghum stands. In field trials at Kyushu, the effect of canopy height on CO2 diffusion and photosynthesis was studied using the isogenic grain sorghum cv. Plainsman. Canopy architecture of the tall isotype was superior to that of the short type in all factors co...

Adams P.; Hart B.M.A.; Winsor G.W., 1979: Some effects of boron nitrogen and liming on the bloom production and quality of glasshouse carnations. The effects of supplying B at 0 and 0.5 ppm and N at 100, 140, 180, 220 and 260 ppm as NH4NO3 in the liquid feeds, in factorial combination with 4 rates of liming, were studied with William Sim' and 'Pink Sim' grown at 10 .times. 20...

Hand D.W.; Clark G.; Hannah M.A.; Thornley J.H.M.; Wilson J.W., 1992: Measuring the canopy net photosynthesis of glasshouse crops. A null balance method is described for measuring net photosynthesis of mature canopies of cucumber and other protected crops over periods of 10 min in a single-span glasshouse (c. 9 m x 18 m in area). Accuracy of control of the CO2 concentration i...

Yue, S.S.; Qi, X.H.; Yu, S.L., 1992: Canopy photosynthesis and dry matter production of winter wheat at late stages of growth and development. In a field study in 1987-89 winter wheat cv. Lumai No. 5 was grown at plant densities of 80, 160 and 240 seedlings/mu, (D1, D2 and D3, respectively). Canopy photosynthesis (Pn) and grain growth were significantly affected by plant density. Canopy...

Kondo, S.; Hayata, Y.; Tamaki, M., 2001: Effects of environmental conditions and canopy composition on photosynthesis and photosynthate translocation in fruiting sweet cherry trees. The net photosynthetic rate of the current shoot leaves of sweet cherries (Prunus avium) at 40 days after full bloom (DAFB) in the field (in Hiroshima, Japan) peaked at 9.00 h at 17.2 micro mol CO2 m-2 s-1, and then decreased gradually, probably d...

Southwick, S.M.; Weis, K.G.; Yeager, J.T.; Hasey, J.K.; Rupert, M.E., 1998: Bloom thinning of 'Loadel' cling peach with a surfactant: effects of concentration, carrier volume, and differential applications within the canopy. A surfactant, Armothin (AR; a fatty amine polymer), is known to reduce fruit set of Loadel clingstone peaches. In 1995, the effect of 3% AR applied with a commercial airblast sprayer at volumes of 935 or 1870 litre/ha (volumes most commonly used b...