The effect of low-temperature event on the survival and growth of Juglans mandshurica seedlings within forest gaps

Li, Xiufen; Wen, Yongjing; Zhang, Jinxin; Liu, Limin; Jin, Lan; Yan, Tao; Wang, Yi

doi:10.1007/s11676-017-0520-6

Cited by 8 publications

(4 citation statements)

References 34 publications

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“…While there is no information on this response from seedling studies, refoliation based on the activation of dormant buds has been observed in saplings and adult trees (Augspurger, 2009). Frost damages occurred especially in canopy gaps, as also observed by Li et al (2018), because a tall canopy, even if not in full leaf status yet, helps to mitigate frost injury and avoid death (Negi, Negi, & Singh, 1996). Under open conditions, frost may cause higher mortality and more serious damages to seedlings than under a forest canopy, and therefore, late emergence may be advantageous for seedlings under these conditions.…”

Section: Effects Of Abiotic Factors On Seedling Survivalmentioning

confidence: 95%

Early emergence increases survival of tree seedlings in Central European temperate forests despite severe late frost

Bianchi

Bugmann

Bigler

2019

Ecology and Evolution

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Global warming is expected to result in earlier emergence of tree seedlings that may experience higher damages and mortality due to late frost in spring. We monitored emergence, characteristics, and survival of seedlings across ten tree species in temperate mixed deciduous forests of Central Europe over one and a half year. We tested whether the timing of emergence represents a trade‐off for seedling survival between minimizing frost risk and maximizing the length of the growing period. Almost two‐thirds of the seedlings died during the first growing period. The timing of emergence was decisive for seedling survival. Although seedlings that emerged early faced a severe late frost event, they benefited from a longer growing period resulting in increased overall survival. Larger seedling height and higher number of leaves positively influenced survival. Seedlings growing on moss had higher survival compared to mineral soil, litter, or herbaceous vegetation. Synthesis . Our findings demonstrate the importance of emergence time for survival of tree seedlings, with early‐emerging seedlings more likely surviving the first growing period.

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Section: Effects Of Abiotic Factors On Seedling Survivalmentioning

confidence: 95%

Early emergence increases survival of tree seedlings in Central European temperate forests despite severe late frost

Bianchi

Bugmann

Bigler

2019

Ecology and Evolution

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“…The season when laying takes place affects fertility of ages and hatchability of ducklings, due to differences in temperature, wind speed, rainfall and relative humidity (Buhr, 1995;Farghly et al, 2018b;Li et al, 2018). Chowdhury et al (2004) observed a high significance between the month and hatchability of Pekin duck eggs, where the hatchability in January was 59.54 ± 0.79%, but in July it decreased to 48.27 ± 0.79%.…”

Section: Seasonmentioning

confidence: 99%

Fertility and hatchability in duck eggs

El‐Hack

Hurtado

Toro

et al. 2019

World's Poultry Science Journal

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Ducks are waterfowl belonging to the Anatidae family of cosmopolitan distribution. In duck production systems, obtaining ducklings at one-day-old is determinant for the productive chain. The egg production in some species of ducks reaches about 250 to 300 eggs per year. Obtaining one-day-old ducklings can be done by natural incubation with a broody female duck or artificially in an incubator. During artificial incubation, fertility and hatchability are the most important indicators that must be controlled, because they influence the supply of ducklings to the farm. Many factors are related to fertility and hatching, such as environmental conditions, production system, season, nutrition, management of broodstock, storage time of egg and cleaning of eggs before the incubation. According to some reports, Pekin eggs have greater hatchability than Muscovy eggs. The eggs of Muscovy have presented values lower than 22.7% of hatchability. The hatchability of Pekin duck eggs was 78.0% in the spring, while in summer it was around 46.5%. The best hatchability is observed during the winter (57.68%), as in the summer it decreases to 54.14%. The reproductive characteristics of flocks, age, external and internal quality of the egg, male female relation, and presence of lethal genes are factors that directly involve breeders. Larger sexual ratios between males and females of 1:4.3 to 1: 10 cause reduced egg fertility from 75.9% down to 49.6%. Successful production of day-old ducklings starts with the proper selection and management of breeding stock, proper post-lay handling of fertile eggs and the correct incubation process. There are different methods used to improve the hatchability such as dipping eggs in nutrients during the incubation period.

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“…The temperature and humidity of the environment are external factors influencing the production and transport of plant hormones [72,73]. Within a certain range, an increase in temperature promotes the synthesis and transport of auxins in the cutting [74].…”

Section: Influence Of Temperature and Humidity On Plant Hormone Funct...mentioning

confidence: 99%

Research Status and Prospects on the Construction Methods of Temperature and Humidity Environmental Models in Arbor Tree Cuttage

Wang,

Liu,

Xie

et al. 2023

Agronomy

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The environmental temperature and humidity are crucial factors for the normal growth and development of arbor tree cuttings by altering their hormone levels and influencing their physiological activities. Developing a temperature and humidity environmental model for arbor tree cuttings serves as a key technique to improve the adjustment performance of environmental parameters in facility agriculture systems and enhance the rooting rate of cuttings. This paper provides a comprehensive summary of current research on the inherent characteristics of cuttings and the factors influencing environmental temperature and humidity. It explores the mechanisms of interaction between the inherent characteristics of cuttings and the factors influencing environmental temperature and humidity. This paper investigates the interactive relationships among the factors affecting environmental temperature and humidity. It analyzes methods to improve the efficiency of constructing temperature and humidity environmental models for arbor tree cuttings. To enhance the transferability of the environmental model, the necessary physiological activities under the influence of plant hormones are generalized as common physiological traits in the growth and development of cuttings. In addition, this paper explores the factors influencing the air and substrate temperature and the humidity in facility agriculture systems as well as two types of facilities for controlling environmental temperature and humidity. Furthermore, it reviews the research progress in environmental models from both mechanistic and data-driven perspectives. This paper provides a comparative analysis of the characteristics associated with these two model categories. Building upon this, the paper summarizes and discusses methods employed in constructing temperature and humidity environmental models for arbor tree cuttings. In addition, it also anticipates the application of deep learning techniques in the construction of temperature and humidity environmental models for arbor cuttings, including utilizing machine vision technology to monitor their growth status. Finally, it proposes suggestions for building physiological models of fruit tree-like arbor cuttings at different growth stages. To enhance the transferability of environmental models, the integration of physiological models of cuttings, environmental models, and control system performance are suggested to create an environmental identification model. This paper aims to achieve control of the common physiological activities of cuttings.

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The effect of low-temperature event on the survival and growth of Juglans mandshurica seedlings within forest gaps

Cited by 8 publications

References 34 publications

Early emergence increases survival of tree seedlings in Central European temperate forests despite severe late frost

Early emergence increases survival of tree seedlings in Central European temperate forests despite severe late frost

Fertility and hatchability in duck eggs

Research Status and Prospects on the Construction Methods of Temperature and Humidity Environmental Models in Arbor Tree Cuttage

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