Results 261 to 270 of about 2,267,527 (292)
Willow tree shoot module length and the attack and survival pattern of a shoot-galling sawfly, Euura atra (Hymenoptera: Tenthredinidae) [PDF]
, 1997 A small population of the shoot-galling sawfly , Euura atra (Jurine), attacking the willow, Salix alba L. (Salicaceae) in Joensuu, Finland, showed strong preference-performance linkage between female ovipositional choices and survival of progeny. Although shoot lengths on trees were most common in the classes 200-400 mm, the probability of attack ...
Price, Peter +2 more
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Genetic Variation in Pea (Pisum sativum L.) Demonstrates the Importance of Root but Not Shoot C/N Ratios in the Control of Plant Morphology and Reveals a Unique Relationship Between Shoot Length and Nodulation Intensity [PDF]
Plant, Cell and Environment, 2007 Nodule numbers are regulated through systemic auto-regulatory signals produced by shoots and roots. The relative effects of shoot and root genotype on nodule numbers together with relationships to organ biomass, carbon (C) and nitrogen (N) status, and ...
Christine Foyer +2 more
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Effects of rifle weight and handling length on shooting performance
Applied Ergonomics, 1997The effects of rifle design parameters on shooting performance were explored in this study. Twelve subjects, all right handed experienced marksmen, were recruited for the experiments. In the first part of the experiment, effects of rifle weight and handling length on aiming stability were examined in a simulated aiming exercise.
C K, Yuan, Y H, Lee
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Easy Transition Path Sampling Methods: Flexible-Length Aimless Shooting and Permutation Shooting
Journal of Chemical Theory and Computation, 2015We present new algorithms for conducting transition path sampling (TPS). Permutation shooting rigorously preserves the total energy and momentum of the initial trajectory and is simple to implement even for rigid water molecules. Versions of aimless shooting and permutation shooting that use flexible-length trajectories have simple acceptance criteria ...
Ryan Gotchy, Mullen +2 more
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Full-length RPB1 is required in two-step shoot regeneration
Biochemical and Biophysical Research Communications, 2018Regeneration is a complicated progress in plants and animals. Most multicellular organisms can regenerate new tissue when wounded, and plants excel most animals in their ability to regenerate whole new growth module from adult tissues. Regeneration in Arabidopsis includes two steps.
Ying, Li +5 more
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Effect of dothistroma needle blight on needle and shoot lengths
Forest Pathology, 2017SummaryThe needles of pine trees are indicative of the overall health of the tree, and their length is affected by many factors. This study describes the effect of high levels of pathogen infection on lengths of both needles and shoots. Dothistroma septosporum is an important foliar pathogen of pines causing necrosis and premature defoliation with ...
M. S. Mullett, A. V. Brown
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Effects of gamma irradiation on the shoot length of Cicer seeds
Radiation Physics and Chemistry, 2005Abstract The effects of radiation on the shoot and root lengths of germinated seedling of irradiated seeds of Cicer species, i.e. three kabuli types and four desi types of cultivated chickpea (Cicer arietinum Ladiz.) and 2 annual wild types (C. reticulatum Ladiz. and C. bijugum K.H. Rech.) were investigated.
Cengiz Toker +3 more
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Relationships between shoot length and shoot length components in Douglas-fir and blue spruce
Canadian Journal of Forest Research, 1986Number of stem units (NSU) and mean stem unit length (MSUL) were examined for their influence on first-order lateral shoot length in a 14-year-old, range-wide provenance test of interior Douglas-fir and an 8-year-old, range-wide provenance–progeny test of blue spruce. The degree to which each component influenced variation in shoot length depended on (
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Trees, 1991
Shoot systems developed over 3 successive years were investigated on 55 understorey Tsuga canadensis (L.) Carr. trees. Paired comparisons of preformed-leaf content of terminal buds and numbers of leaves produced on new shoots showed that neoformed leaves were produced in large numbers.
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Shoot systems developed over 3 successive years were investigated on 55 understorey Tsuga canadensis (L.) Carr. trees. Paired comparisons of preformed-leaf content of terminal buds and numbers of leaves produced on new shoots showed that neoformed leaves were produced in large numbers.
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The relationship between leaf size and shoot length in apple
Journal of Horticultural Science, 1980SummaryPart of the orchard canopy is made up of leaves on long (‘extension’) shoots, and the size and number of those leaves are related to the vigour of the shoots bearing them. On very vigorously growing shoots on small hard-pruned trees of the apple rootstock Crab C, average leaf size was linearly related to shoot length.
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