Spectral reflectance values of four canopy components (stems, buds, opening flowers, and postflowers of yellow starthistle (Centaurea solstitialis)) were measured to describe their spectral characteristics. We then physically combined these canopy components to simulate the flowering stage indicated by accumulated flower ratios (AFR) 10%, 40%, 70%, and 90%, respectively. Spectral dissimilarity ...

Background and objectives: Ducrosia anethifolia is one species which belongs to Apiaceae family that is used to improve the odor of foods and drinks. It is used also to treat catarrh, headache and backache in folk medicine. The herb is also reported to relax the mind and body and induce a peaceful sleep. The growing stage has an important role in quantity and quality o...

Flowering is an important phenophase of plant species, however, knowledge about the regulatory mechanism controlling flowering cues in loquat limited. To identify candidate genes regulating time loquat, we used RNA-Seq technology to conduct a comparative transcriptome analysis differentiating apical buds collected from early-flowering variety ‘Baiyu’ and late-flowering ‘Huoju’. A total 28,842 d...

The role of biotic interactions in shaping plant flowering phenology has long been controversial; plastic responses to the abiotic environment, limited precision of biological clocks and inconsistency of selection pressures have generally been emphasized to explain phenological variation. However, part of this variation is heritable and selection analyses show that biotic interactions can modul...

We analysed phenological observations of first flowering and peak flowering dates of 7 species of woodland herbs in the Bia8owie· za National Park (Poland), Europe’s last remaining lowland primeval forest and a World Heritage Site, during 1964–2007. There was substantial evidence for an advance in both first and peak flowering dates and flowering was closely related to temperature, which had ri...

The verde plant bug, Creontiades signatus (Distant), has been present in south Texas for several years but has more recently been documented as an economic threat to cultivated cotton, (Gossypium hirsutum L. Our studies over 2 yr (2009 and 2010) and two locations (Weslaco and Corpus Christi, TX) investigated feeding-injury of the verde plant bug to a range of cotton boll age classes defined by ...

High temperature stress at reproductive stages of cotton crop severely affects the yield and quality under changing climatic conditions. To alleviate adverse effects high on crop, regulatory potassium (K), zinc (Zn), boron (B) were assessed by applying different regimes three field glass house Cotton plants subjected to low (32/20 °C ± 2), medium (38/24 (45/30 2) temperatures glasshouse, but so...

introduction: more plains of iran are located in arid and semi-arid regions and so agricultural production systems depend heavily on water. recently, the reduction of water resources has become a serious threat for crop production such as cotton planting. therefore, application of low irrigation methods can be an appropriate method to cope with mentioned condition. in addition, it is vital to i...