Results 1 to 10 of about 260,854 (315)

Potential production of Aspidosperma cylindrocarpon seedlings viarescue seedlings [PDF]

open access: yesCiência Rural, 2017
ABSTRACT: Translocation of rare populations is regarded as the last resort for the conservation of species whose habitat destruction is imminent. The objective of the present study was to evaluate the effect of two height classes and three leaf reduction intensities on growth and increases in height, stem diameter, survival, and new leaf production in ...
Silva, Nathália Ferreira e   +6 more
openaire   +4 more sources

Inheritance of type of tree habit in Vilina bukva Beech population from Čajnice [PDF]

open access: yesAgroznanje, 2018
According to the oral tradition, four to five degrees of kinship back, at the locality of the village of Batočići, the hamlet of Bare, the municipality of Čajnice - Republic of Srpska in BiH, there was an appearance of a tree with atypical sympodial ...
Mićić Nikola   +6 more
doaj   +1 more source

Chemical Methods to Improve Seed Germination and Seedling Growth of Honey Locust (Gleditsia triacanthos L.)

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Horticulture, 2021
The present study aimed to improve the seed germination and plantlet development of honey locust (Gleditsia triacanthos) using two types of edaphic substrate (peat and peat+sand) and different chemical substances.
Liviu HOLONEC   +4 more
doaj   +1 more source

Density of scots pine seedlings in pine forests under the influence of emissions from the Karabash copper smelter and forest fi res [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
We assessed the features of natural pine regeneration in forests with diff erent ages of ground fi res in the Southern Urals depending on the level of heavy metal pollution.
Kuyantseva, Nadezhda Borisovna   +3 more
doaj   +1 more source

Abies religiosa Seedling Limitations for Passive Restoration Practices at the Monarch Butterfly Biosphere Reserve in Mexico

open access: yesFrontiers in Ecology and Evolution, 2020
To recover the structure and functionality of a deforested ecosystem, two strategies of ecological restoration are considered: active restoration, which eliminates the disturbance agents and implements strategies to accelerate site recovery, and passive ...
Gerardo Guzmán-Aguilar   +5 more
doaj   +1 more source

Nitro-Oleic Acid in Seeds and Differently Developed Seedlings of Brassica napus L.

open access: yesPlants, 2020
Similar to animals, it has recently been proven that nitro-fatty acids such as nitro-linolenic acid and nitro-oleic acid (NO2-OA) have relevant physiological roles as signalling molecules also in plants. Although NO2-OA is of great therapeutic importance,
Martin Vollár   +8 more
doaj   +1 more source

Maize germination parameters and early seedlings growth under different levels of salt stress [PDF]

open access: yesRatarstvo i Povrtarstvo, 2013
Increased salt concentration has a negative effect on germination parameters and early seedling growth. The objective of this study was to evaluate germination parameters and early seedlings growth of maize under different salinity conditions (0, -0.3 ...
Mirosavljević Milan   +5 more
doaj   +1 more source

Rooting Conditions for Production of Guarana Clonal Seedlings

open access: yesHorticulturae
The guaraná tree is a species known for the stimulating properties found in its seeds, leading to increased consumption and promising production. Cultivation is primarily carried out in family farming systems, and one of the challenges in the production ...
Karla Gabrielle Dutra Pinto   +6 more
doaj   +1 more source

Efeitos de herbicidas aplicados no período reprodutivo sobre o crescimento inicial de plantas daninhas na geração seguinte Effects of herbicides applied during reproductive period on initial growth of weed seedlings of the next generation

open access: yesPlanta Daninha, 1994
Em 1990, 91 e 92 foi conduzido experimento na Faculdade de Agronomia da UFRS, em Porto Alegre, RS, com o objetivo de avaliar os efeitos de herbicidas aspergidos durante a fase reprodutiva em balãozinho (Cardiospermum halicacabum), corriola (Ipomoea ...
André Andres, Nilson G. Flecks
doaj   +1 more source

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