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Now showing items 51-60 of 82
Inherritance of growth and other agronomic traits in two oat (avena sativa l.) Crosses
(
Qatar University
, 1990 , Article)
Evaluating the inheritance of growth traits should assist plant breeders in determining
its usefulness as a selection criterion for grain yield improvement. Three oat cultivars,
'Stout', 'Lodi' and 'Marathon' were chosen ...
Response of Date Palm Pollen Tube Growth to Storage Period and Conditions
(
Qatar University
, 1994 , Article)
The growth rate of pollen tube of date palm (Pheonix dactylifera L.) pollen grains stored either freeze-dried or unfreeze-dried at 25, 4 and - 8°C was measured after 3,7 and 12 months of storage. The growth of pollen tube ...
Plant growth, metabolism and adaptation in relation to stress conditions XII. Carbohydrate and acid accumulation in phaseolus vulgaris and zea mays stressed with sodium sulphate
(
Qatar University
, 1990 , Article)
Phaseolus vulgaris and Zea mays seedlings and plants were cultured on quarter-strength Hoagland nutrient medium with or without increasing concentrations of Na^SO^. Sodium sulphate increased the levels of reducing sugars ...
Record of a fruiticose lichen, Ramalina farinacea (L.) Ach. for Qatar
(
Qatar University
, 1997 , Article)
Lichens are thallophytic lower plants. Ramalina farinacea (L.) Ach., family Ramalinaceae, is the only fruticose lichen recorded in Qatar. It occurs on stony terrain bordering the coastline in association with other more ...
Effects of the expected sea level rise on avicennia marina L: a case study in Qatar
(
Qatar University
, 1995 , Article)
A simulation of the expected sea levels rise was carried out by imposing a state of protracted flooding on seedlings of the mangrove species Avicennia marina L. under natural conditions. The imposed flooding resulted in ...
Single Cell Protein Production From Beet Pulp By Mixed Culture
(
Qatar University
, 1992 , Article)
A mixed culture of Trichoderma reeseiand Kluyveromyces marxianuswas found to be more efficient for single cell protein (SCP) production (51%) from beet pulp (BP) than the other tested mixed cultures containing T. reeseior ...
Growth and protein content of wheat kernels treated with three Growth regulators
(
Qatar University
, 1993 , Article)
Alar, asulam or kinetin at different doses were sprayed on wheat plants and their effects on growth and protein of the developing kernels were investigated. Grain fresh matter was significantly increased in response to 200 ...
Fatty acid composition of sargassum denticulatua1and s. Latifouum as influenced by the time of collection and the plant organ
(
Qatar University
, 1995 , Article)
Fatty acid profile of two species of Sargassum namely, 5. denticulatium (Forsk). Borgesen and S. latifolium (Turn) Ag., from the Red Sea coast of Egypt was studied. Fatty acid data indicate that there is a strong seasonal ...
Effect of level of relative humidity on fungi and germination capacity of paddy (oryza sativa l.) Grains in egypt
(
Qatar University
, 1993 , Article)
The changes in the composition of paddy grain-borne fungi in the germination capacity, and in the moisture content of paddy grains at various levels of relative humidity (r.h.) (~ 0-100%) stored at 20°C for 1, 2, 3 and 4 ...
Floating capital pattern and biomass slope allocation method in the life history of calotropis procera (AIT.) AIT. F.
(
Qatar University
, 1992 , Article)
Plants of the woody perennial Calotropis procera (Asclepediaceae) were grown from seed to seed-set in an open field. Smith's slope allocation and fractional-allocation or percentage methods were used to study dry matter ...