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Differences in growth and yield responses to Aphis gossypii Glover between different okra varieties
Aphis gossypii okra yield plant growth
2015/3/1
The reactions of five commercial varieties of okra, Abelmoschus esculentus, to A. gossypii were evaluated under semiarid field conditions. Each experimental plant of varieties Clemson spineless, Clems...
Effect of soil applied herbicides and depth of sowing on common cocklebur (Xanthium strumarium L.) and maize (Zea mays L.) emergence and early growth
Xanthium strumarium L. Zea mays L. herbicides
2015/3/1
Greenhouse trials were conducted during 2005 to investigate the effect of six soil applied herbicides on common cocklebur (Xanthium strumarium L.) sowed at a depth of 4 cm and 7 cm, and determine the ...
Effect of repeated fertilization on stem growth in old stands of Pinus sylvestris in South East Norway
nitrogen Scots pine tree ring widths volume increment
2015/5/6
We studied effects of repeated applications of nitrogen on stem growth of mature Scots pine at four sites with yield potential around 3 - 4.5 m3 ha‑1 yr‑1. Treatments included control (0) ...
Production of Norway spruce (Picea abies [L.] Karst.) seedlings on substrate mixes using growth stimulants
Norway spruce seedlings substrates and their mixes biostimulant treatment
2015/2/6
We evaluated the growth of Norway spruce (Picea abies [L.] Karst.) seedlings on peat and bark substrates, on their mixes and on their mixes with agroperlite. We examined the basic quantitative traits ...
Influence of phytotechnology on growth, production and leaf area index of black walnut (Juglans nigra L.) monocultures in Slovakia
black walnut thinnings growth production dendrochronology leaf area index
2015/2/6
In the paper we evaluate the influence of crown thinning with positive selection, different intensity (moderate PRP III and heavy PRP IV) and 5-year frequency on development of growth, production, qua...
The characteristics of diameter growth and increment of introduced North American ash species at the sites of common alder
introduced American ash species Alnus glutinosa(L.) Gaertn. growth of mean stand diameter radial increment
2015/2/6
Research was conducted into diameter growth and increment of introduced American ash species at the sites of common alder (Alnus glutinosa[L.] Gaertn.) in three mixed stands of introduced ash and comm...
Impact of soil conditioners on the growth of European ash (Fraxinus excelsiorL.) on dumps
TerraCottem Frisol Bio-algeen Silvamix Forte Cererit European ash soil conditioners reclamations dumps anthropogenic substrates survival rate and growth costs
2015/2/6
The effects of soil conditioners TerraCottem, Frisol, Bio-algeen and fertilisers Silvamix Forte and Cererit on the survival rate and growth of European ash seedlings until the stage called established...
Algorithms and software solution of thinning models for SIBYLA growth simulator
tree growth models thinning engine thinning concepts forest modeling
2015/2/6
The paper deals with a proposal for a thinning model for the growth simulator SIBYLA. The model is based on an analytical-causal modeling approach. Some partial theorems are tested on experimental dat...
Degradation of seed mucilage by soil microflora promotes early seedling growth of a desert sand dune plant
Artemisia sphaerocephala adaptation moving sand dunes mucilage biodegradation plant–microbe interaction polysaccharide soil microbial community
2015/2/5
In contrast to the extensive understanding of seed mucilage biosynthesis, much less is known a bout how mucilage is biodegraded and what role it plays in the soil where seeds germinate. We studied see...
Growth trends of spruce in the Orlické hory Mts.
growth trends increment spruce nitrogen deposition climate Orlické hory Mts
2015/2/2
In 2002, height and diameter growth of spruce was investigated in the Orlické hory Mts. (the Czech Republic). The aim was to confirm and to quantify a growth increase in stands of different age, and t...
Changes in trends of the height growth of spruce and pine derived from continuous measurements in forest management plans of Kostelec nad Černymi lesy and on pilot research plots in the Czech Republic
spruce pine mean stand height height growth trends current and mean height increment stand age year forest vegetation zones forest management plan (FMP) pilot research plots (PRP)
2015/2/2
In changing growth conditions, methodical procedures should concentrate on the investigation of processes currently under way in forests. Many studies have shown that present models of forest growth p...
Utilisation of mathematical models and growth simulators for creating forest management plans and planning the tending felling
mathematical modelling of development of mensurational variables spruce growth simulators SILVA 2.2 tending felling
2015/2/2
The paper describes modelling of forest development and its utilisation for forest management planning, specifically modelling of growth mensurational variables of the two main commercial species – sp...
Necrotic disease of beech in individual growth stages
Fagus sylvatica L. bark necrotic disease growth stages of beech Slovakia
2015/2/2
The paper deals with the present state of necrotic disease of beech in the growth stages of self-seeding, advance growth, thicket, small pole stage, pole stage and maturing stand from four localities ...
Host range and growth of Stem and Bulb Nematode (Ditylenchus dipsaci) populations isolated from garlic and chicory
Ditylenchus dipsaci vegetable host range
2015/2/2
Host range and growth of two Ditylenchus dipsaci (Stem and Bulb Nematode) populations on onion, garlic, leek, spinach and chicory were compared. Inoculation was conducted by placing a droplet of 1.5% ...
Evaluation of the growth and health of different poplars in the Latorica area in Vychodoslovenská nížina conditions
poplars growth and production pests
2015/1/28
The paper presents the results of evaluating the growth and health of 20 different poplars from the Aigeiros group in 30-year populetum Leles on uninundated alluvia of the Latorica River in ecological...