Results 11 to 20 of about 166,030,954 (208)

Management of defoliation in Trifolium vesiculosum S. for the production of seeds

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
The present study aims to determine the appropriate defoliation management for the production of seeds and forage in arrowleaf clover via trail analysis.
D.F. Araldi   +3 more
doaj   +1 more source

Tillering dynamics of digit grass subjected to different defoliation frequencies [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2019
: The objective of this work was to evaluate the tillering dynamics of 'Suvernola' digit grass (Digitaria eriantha) when subjected to different defoliation frequencies.
Bráulio Maia de Lana Sousa   +7 more
doaj   +1 more source

Physiology of Cotton Defoliation

open access: yes, 2015
Revised 06/2015. Originally published 07/2001.3 pp.This bulletin deals with the physiology of cotton defoliation and attempts to describe what conditions must exist inside the plant in order for defoliation to occur.
Silvertooth, Jeffrey C., Ayala, Felix
core   +5 more sources

History of the Siberian moth outbreaks at the eastern foothills of Kuznetskiy Alatau mountains: dendrochronolohical reconstruction [PDF]

open access: yesСибирский лесной журнал, 2023
The outbreaks history of the Siberian moth (Dendrolimus sibiricus Tschetveraikov, 1908) in larch forests of the forest-steppe at the eastern foothills of the Kuznetsk Alatau mountains (West of the Chulym-Yenisei basin, South of Eastern Siberia, Republic ...
D. A. Demidko   +2 more
doaj   +1 more source

Field performance of MON 94637 and laboratory evidence supporting a Bt pyramiding strategy against key lepidopteran pests in Brazil. [PDF]

open access: yesPest Manag Sci
A genetically modified soybean expressing multiple Cry proteins protects against key lepidopteran pests, consistently reducing larval damage and offering an effective resistance management option for soybean production in Brazil. Abstract BACKGROUND Pyramided Bt genes in crops have been widely adopted to delay insect resistance evolution worldwide. The
Miraldo LL   +18 more
europepmc   +2 more sources

Classifying the Degree of Bark Beetle-Induced Damage on Fir (Abies mariesii) Forests, from UAV-Acquired RGB Images

open access: yesComputation, 2022
Bark beetle outbreaks are responsible for the loss of large areas of forests and in recent years they appear to be increasing in frequency and magnitude as a result of climate change. The aim of this study is to develop a new standardized methodology for
Tobias Leidemer   +6 more
doaj   +1 more source

Biomass flows and defoliation patterns of alexandergrass pasture grazed by beef heifers, receiving or not protein salt

open access: yesActa Scientiarum: Animal Sciences, 2014
The experiment aimed at evaluating leaf biomass flow, intensity and frequency of defoliation of Alexandergrass (Urochloa plantaginea (Link) Hitch) by beef heifers exclusively on pasture or that grazed and received protein salt.
Lidiane Raquel Eloy   +5 more
doaj   +1 more source

Root production in a subtropical pasture is mediated by cultivar identity and defoliation severity

open access: yesTropical Grasslands-Forrajes Tropicales, 2021
Grasslands occupy significant land area and account for a large proportion of the global soil carbon stocks, yet the direct effects of grazing and genotypic composition on relationships between shoot and root production are poorly resolved.
Chris H. Wilson   +3 more
doaj   +1 more source

Biomass flows and defoliation pattern of ryegrass grazed by supplemented heifers

open access: yesSemina: Ciências Agrárias, 2017
To strategically define the best stocking rate management strategy for ryegrass, it is important to know the growth process of forage plants in detail. The study was conducted to analyze the leaf biomass flows and the defoliation intensity and frequency ...
Sheila Cristina Bosco Stivanin   +7 more
doaj   +3 more sources

Health status of forest stands on permanent research plots in the Krkonoše Mts.

open access: yesJournal of Forest Science, 2010
Damage to beech, mixed (beech with spruce to spruce with beech) and spruce stands in the Krkonoše Mts. is described on the basis of evaluation of transition matrices describing the probability of a change in the assessment of defoliation of particular ...
S. Vacek, K. Matějka
doaj   +1 more source

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