Results 111 to 120 of about 20,337 (283)

Control of Alternaria alternata, Causal Agent of Dead (Dormant) Flower Bud Disease of Pear [PDF]

open access: yes
Dead (dormant) flower buds of pear are an important phenomenon in pear production in the Netherlands. Vigourous or unbalanced tree growth and Pseudomonas syringae pv. syringae (P.s.s.) are mentioned as likely causes of dead flower buds.
Bruggen, A.S., van   +3 more
core   +1 more source

Plant responses to photoperiod [PDF]

open access: yes, 2009
Photoperiod controls many developmental responses in animals, plants and even fungi. The response to photoperiod has evolved because daylength is a reliable indicator of the time of year, enabling developmental events to be scheduled to coincide with ...
Abe   +154 more
core   +1 more source

p75NTR Promotes Circadian‐Driven Mineralization During Tooth Development via CK2/PER2 Pathway

open access: yesCell Proliferation, EarlyView.
The diagram illustrates how the circadian rhythm regulates the p75NTR‐CK2‐PER2 axis, driving rhythmic biomineralisation during tooth development. ABSTRACT Circadian rhythm is an essential biological process that synchronises physiological activities with environmental light/dark cycles.
Manzhu Zhao   +8 more
wiley   +1 more source

Bud Respiration and Dormancy of Kiwifruit (Actinidia deliciosa) [PDF]

open access: yesAnnals of Botany, 1997
Abstract Kiwifruit ( Actinidia deliciosa (A. Chev.) C. F. Liang & A. R. Ferguson) is a perennial vine which requires winter chilling during the dormant period before it will flower and crop adequately. Quantifying the impact of winter temperatures is difficult because the first detectable responses of the vine are floral initiation and bud break ...
openaire   +1 more source

1165. Echinacea purpurea (L.) Moench

open access: yesCurtis's Botanical Magazine, EarlyView.
Summary Echinacea purpurea (L.) Moench (Compositae: Heliantheae: Zinniinae) is described and illustrated with a colour plate and black and white text figure. An introduction to the history of the appearance of this species in the Magazine appears in brief, together with comments on the treatment of the genus, and the available generic revisions.
Nicholas Hind   +2 more
wiley   +1 more source

Morphological, Physiological, and Winterhardiness Comparisons Among Latitudinal Ecotypes of Biennial Sweetclover (Melilotus species) in Subarctic Alaska [PDF]

open access: yes, 1992
Objectives of this study were to compare, within two species of biennial sweetclover, several morphological and physiological characteristics of strains adapted to a wide range of latitudes and to relate those characteristics to winter survival and ...
Klebesadel, Leslie J.
core  

1162. Symphyotrichum oolentangiense (Riddell) G.L. Nesom

open access: yesCurtis's Botanical Magazine, EarlyView.
Summary Symphyotrichum oolentangiense (Riddell) G.L. Nesom (Compositae: Astereae: Symphyotrichinae) is described and illustrated. A very brief biographical note of John Leonard Riddell, the collector and author of the species, is offered. Notes are provided for the species' cultivation, propagation, likely pests and diseases, and availability.
Nicholas Hind, Deborah Lambkin
wiley   +1 more source

1168. Eupatorium hyssopifolium L.

open access: yesCurtis's Botanical Magazine, EarlyView.
Summary Eupatorium hyssopifolium L. (Compositae: Eupatorieae: Eupatoriinae) is described and illustrated, and the species is provided with an expanded synonymy that includes type citations, known types, and supplementary comments. Notes are provided for the species' cultivation, propagation, likely pests and diseases, and availability.
Nicholas Hind, Joanna Langhorne
wiley   +1 more source

1166. Helianthus occidentalis Riddell

open access: yesCurtis's Botanical Magazine, EarlyView.
Summary Helianthus occidentalis Riddell (Compositae: Heliantheae: Helianthinae) is described and illustrated. The species' placement in the genus is commented on, as are the differences in infrageneric placement of the other species Heiser originally grouped H. occidentalis with.
Nicholas Hind, Christabel King
wiley   +1 more source

Effect of hydrogen cyanamide (HC) on release of floral bud dormancy, endogenous hormone and carbohydrate in Pyrus pyrifolia cv. Cuiguan

open access: yes浙江大学学报. 农业与生命科学版, 2013
Bud dormancy is an adaptive developmental process for perennial deciduous fruit trees to survive under the adverse environmental conditions, which is released when both the chilling requirement and growth temperature are achieved.
LIU Dongfeng   +4 more
doaj   +1 more source

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