The objective of the present study was to analyze effect three factors as type seed, seed density and crop fertilization on yields commercial sweet potato roots cv. Jonathan. Four variables were analyzed: total root yield, non-commercial yield dry matter. experiment design a randomized complete block factorial arrangement 2Sx2Dx2F, with two levels in each factor: common basic 20 cm 40 spacing b...

Gesneriaceae. Root cuttings were used for various fruit crops, horseradish (Armoracia rusticana P. Gaertn., B Mey. & Scherb.), and others. It was known that when shoots were regenerated adventitiously, as with root cuttings or leaf cuttings, traits (such as variegation), which are associated with chimeras were lost (Bailey, 1896). Humidity control was not nearly as good as today s mist and fog ...

Progress and problems in vegetative propagation of important North American hardwoods are reviewed with emphasis on rooting cuttings and the application of propagatIOn t~'hniqucs in breeding research. Some problems in rooting physiology are diS('u,;",>.

Nature of Work: Quercus phillyreoides A. Gray (ubame oak) is an attractive, evergreen species indigenous to Japan and China. It grows as a shrub or small tree reaching a height of 6 to 9 m (20 to 30 ft) (3). Although relatively unknown in the United States, it appears Q. phillyreoides has great potential for use in landscapes in the southern United States in addition to being well suited for ur...

An assessment of the efficacy preparations (Kornevin, SP; Albit, TPS; Epin-extra) in production planting material Northern white cedar by vegetative propagation with wood cuttings under conditions Central Black Earth Region Russian Federation is given on example Orel region. All studied had a significant effect rooting process cuttings. The obtained and analyzed data phenological observations s...

Abstract The objective of this work was to evaluate the effects indolebutyric acid (IBA) concentration, substrate composition and volume, propagule type on adventitious rooting quality Cordia trichotoma plantlets produced by mini-cuttings. Mini-cuttings were evaluated for percentage root number length at 30 60 days cultivation. Plantlets shoot height stem diameter 30, 60, 90, 120 Dickson index,...

Internet routers that operate as firewalls, or provide a variety of service classes, perform different operations on different flows. A flow is defined to be all the packets sharing common header characteristics; for example a flow may be defined as all the packets between two specific IP addresses. In order to classify a packet, a router consults a table (or classifier) using one or more field...

When cuttings or seedlings of Phaseolus aureus were treated proximally with malformin for 2 days in continuous white light, resistance to subsequent leaf abscission in the dark resulted. The amount of resistance diminished as the concentration of malformin decreased from 10 to 0.1 micromolar. Resistance to dark abscission persisted for 7 days in continuous light. Little resistance was obtained ...

Animals have the ability to distinguish self from non-self, which has allowed them to evolve immune systems and, in some instances, to act preferentially towards individuals that are genetically identical or related. Self-recognition is less well known for plants, although recent work indicates that physically connected roots recognize self and reduce competitive interactions. Sagebrush uses vo...

In late summer, heteroecious aphids, such as the potato aphid, Macrosiphum euphorbiae, move from their secondary summer host plants to primary host plants, where the sexual oviparae mate and lay diapausing eggs. We tested the hypothesis that volatiles of the primary host, Rosa rugosa, would attract the gynoparae, the parthenogenetic alate morph that produce oviparae, as well as the alate males ...