Results 101 to 110 of about 85,978 (350)

Ophiorrhiza jomyi (Rubiaceae) sp. nov. from the Vagamon Hills, southern Western Ghats, India

open access: yesNordic Journal of Botany, EarlyView.
A new species of Ophiorrhiza (Rubiaceae)is identified and described from the Vagamon hills of Kerala, Western Ghats, India. The new species is similar to Ophiorrhiza eriantha Wight and Ophiorrhiza meenachilarensis Robi and Balan, but differs in having densely hirsute hairs on young stem, petiole and peduncle; patent hirsute hairs on, above and beneath ...
Ebin Padiyara Joy   +2 more
wiley   +1 more source

Low Temperature Tolerance of Peach Flower Buds and Shoot Tissues Is Differentially Influenced by Freezing and High Temperature Exposure

open access: yesHortScience
In northern temperate zones, peach trees are vulnerable to cold temperature injury in the fall, particularly as climate change prolongs warm weather in the fall and potentially delays the onset of cold acclimation.
Renae E. Moran, Peyton Ginakes
doaj   +1 more source

Effects of Gamma Radiation on Salix nigra Marsh Cuttings [PDF]

open access: yes, 1985
Dormant cuttings of Salix nigra Marsh, were exposed to gamma radiation from a cobalt-60 source at a dose rate of 1110 roentgens (r) per minute. Exposure doses ranged from 50 r through 100 Kr with 100% mortality at 10 Kr.
Gehring, Roy Z.
core   +2 more sources

Calyx and epicalyx morphology in Indian Hibiscus (Malvaceae) and its taxonomic importance

open access: yesNordic Journal of Botany, EarlyView.
Hibisceae is one of the largest tribes in Malvaceae, having a diverse floral morphology. The genus Hibiscus shows a wide range of evolutionary patterns in calyx and epicalyx morphology. Genera like Abelmoschus, Azanza, Gossypium, Hibiscus,and Thespesia are separated on the basis of calyx and epicalyx morphology, meaning that the calyx and epicalyx have
Jagdish Vishnu Dalavi   +1 more
wiley   +1 more source

Tolerance of peach flower buds to low sub-zero temperatures in winter

open access: yesHorticultural Science, 2016
After each of three consecutive winters, 2010/2011, 2011/2012 and 2012/2013, the extent of frost damage to flower buds was studied in 25 genotypes of peach growing in the collection of varieties in the Experimental Orchard in Dąbrowice near Skierniewice (
M. Szymajda, E. Żurawicz
doaj   +1 more source

Rediscovery of Strobilanthes panichanga and discovery of Strobilanthes parryorum (Acanthaceae): two endangered species from the hills of Dima Hasao, Assam, India

open access: yesNordic Journal of Botany, EarlyView.
We report on two species of Strobilanthes Blume. Strobilanthes panichanga (Nees) T.Anderson has been rediscovered in the Dima Hasao district of Assam, India, after a very long gap of 150 years, and Strobilanthes parryorum C.E.C.Fisch has been discovered for the first time in Assam, India.
Kapil Kumar Kemprai, Souravjyoti Borah
wiley   +1 more source

Determination of soybean (Glycine max L. [Merrill]) microspores development stage based on the length of flower buds

open access: yesJournal of Biological Researches, 2015
The number of published reports of flower buds, anthers and on microspore culture of horticultural plants, especially in soybean is very low. The purpose of this research is to determine soybean microspores development stage based on the length of flower
Sumarmi Sumarmi
doaj   +1 more source

Dormancy in reproductive vegetative buds in creeping perennials dominating the agricultural weed flora in Scandinavia [PDF]

open access: yes, 2013
Dormancy, which is the inability to initiate normal growth under otherwise favourable conditions, is an adaptation to escape sprouting prior to seasonal cold temperatures and/or drought in areas where winters are harsh or summers dry.
Liew, Josefine
core  

Genotypic variation of cut chrysanthemum response to high CO2 concentration: Growth, time to flowering and visual quality [PDF]

open access: yes, 2011
In this study sixteen cut chrysanthemum cultivars were used to evaluate the effects of high CO2 concentration (1500 µmol mol-1) on growth, time to flowering and visual quality as compared to the concentration used in commercial greenhouses (600 µmol mol ...
Carvalho, S.M.P.   +3 more
core   +2 more sources

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