Results 11 to 20 of about 142,408 (267)

Photosynthetic Efficiency and Anatomical Structure of Pepper Leaf (Capsicum annuum L.) Transplants Grown under High-Pressure Sodium (HPS) and Light-Emitting Diode (LED) Supplementary Lighting Systems

open access: yesPlants, 2021
The aim of this study was to evaluate the effects of various supplemental greenhouse lighting systems, i.e., high-pressure sodium lamps and mixtures of red and blue light-emitting diodes, on the photochemical efficiency, anatomical leaf structure, and ...
Anna Sobczak   +6 more
doaj   +1 more source

A Novel Approach for Objective Assessment of White Blood Cells Using Computational Vision Algorithms

open access: yesAdvances in Hematology, 2018
In the field of medicine, the analysis of blood is one of the most important exams to determine the physiological state of a patient. In the analysis of the blood sample, an important process is the counting and classification of white blood cells, which
Cesar Mauricio Rodríguez Barrero   +2 more
doaj   +1 more source

SEEDLINGS [PDF]

open access: yesNew Phytologist, 1987
SummaryThe factors which cause the death of seedlings were examined and an attempt was made to determine the selective forces to which they are subjected in the field. After briefly dealing with the difficulties of defining a seedling, I examine a few cases from the recent literature in which the causes of seedling mortality are identified and ...
openaire   +1 more source

Peculiarities of forming a root system of plum seedless in a fruit kennel with drip irrigation

open access: yesОвощи России, 2020
Relevance. Currently, there is a problem of satisfying the demand in the domestic market for fruit and berry products in accordance with current recommendations.
N. N. Dubenok   +2 more
doaj   +1 more source

Effect of LED lights on the in vitro growth of Pinus pseudostrobus Lindl., plants

open access: yesJournal of Forest Science, 2022
Pinus pseudostrobus Lindl. is a species endemic to Mexico and is widely used in reforestation programmes, as it is highly adapted to poor, shallow, limestone soils and has high commercial importance.
Luis Alberto Marín-Martínez   +1 more
doaj   +1 more source

EFFECT OF SOWING MEDIUM AND NITROGEN FERTILIZATION RATES ON PRODUCTION AND GROWTH OF MAHOGANY (SWEITINIA MACROPHYLLA) SEEDLINGS [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2018
This study was carried out at the nursery of Horticulture Department, Faculty of Agriculture, Ain Shames University during two seasons of 2015 and 2016 to study the effect of sowing medium and fertilization rates on vegetative growth and chemical ...
doaj   +1 more source

Sonication of seeds increase germination performance of sesame under low temperature stress

open access: yesActa Agriculturae Slovenica, 2015
A laboratory experiment was conducted to determine the effect of ultrasound (US) exposure time on germination behavior of sesame seeds. All tests were carried out at 20 kHz in a water bath ultrasonic device varying two factors, treatment duration (10, 20
Fariborz SHEKARI   +2 more
doaj   +1 more source

Partial Factor Productivity as a Tool to Enhance Wheat Seed Quality and Yield Through Nitrogen Fertilization Management

open access: yesSeeds
Even though wheat’s response to nitrogen (N) is well studied, practical optimization remains challenging because yield and seed quality often react inconsistently across seasons.
Luka Drenjančević   +4 more
doaj   +1 more source

Seed morphobiometry, morphology of germination and emergence of quinoa seeds ‘BRS Piabiru’ [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
Quinoa, classified as a pseudocereal, presents greater nutritional value compared to traditional cereals. Considering the potential for cultivation presented by the species and the benefits of studying plant morphology and morphobiometry, this paper ...
DANIELE B. RODRIGUES   +7 more
doaj   +1 more source

Inheritance of aluminum tolerance in maize [PDF]

open access: yesCrop Breeding and Applied Biotechnology, 2009
The purpose of this study was to investigate aluminum tolerance in maize. For this purpose, a nutrient solutionwas used with the tolerant (L922) and sensitive (Ast214) homozygous parental lines, with the segregating generation F2 andwith the F2:3 lines ...
Alberto José Prioli   +4 more
doaj  

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