Somaclonal variation has become common for many plant species including soybean (Glycine max (L.) Merr). The present study was aimed to compare the morphological and yield characters of tissue culture derived and field grown soybean cultivar CO-3 (Coimbatore-3). With respect to the plants derived from tissue culture, the morphological characters such as length of roots, shoots, petioles, intern...

In India, several species of Meloidogyne are reported on a variety of vegetables, cereals, pulses and ornamental plants. Root knot disease caused by M.incognita is a matter of great concern because this species affects several economically important crop plants. Okra is a very important crop by nutrition and health wise. In the present study the application of various parts of neem (seeds, leav...

Flowering plants have evolved to be a predominant life form on earth. A common principle of flowering plants and probably one of the main reasons for their evolutionary success is the rapid development of an embryo next to a supporting tissue called the endosperm. The embryo and the endosperm are protected by surrounding maternal tissues, the integuments, and the trinity of integuments, embryo ...

background & aim: investigating the possibility of using medicinal plant’s seeds substitute for agar gel in plant tissue culture and determining the optimal practical conditions of them is the aim of this study. experimental: in order to study the new gelling agents for using in plant tissue culture, we designed a tow part experiment by means of the seeds of medicinal plants such as linum u...

the use of healthy planting material is an important prerequisite for controlling destructive viral diseases in potato production. virus elimination methods such as meristem culture and thermotherapy are usually used to produce the nucleus stock of healthy planting material. here, we report a new technique of electrotherapy for elimination of two potyviruses, potato virus a (pva), and potato vi...

Theresponses and impacts ofÞve insect species that feedonCentaureadiffusaLamarck, diffuse knapweed, to soil nitrogen and phosphorus additions were studied in grasslands east of the ColoradoFrontRange.Wepredicted that fertilizationwasunlikely tohave adirect effect onherbivory but that if the insects preferentially select vigorous plants, increased tissue nitrogen, plant density, or plant mass re...

Phylogenetic relationships among seed plant taxa, especially within the gymnosperms, remain contested. In contrast to angiosperms, for which several genomic, transcriptomic and phylogenetic resources are available, there are few, if any, molecular markers that allow broad comparisons among gymnosperm species. With few gymnosperm genomes available, recently obtained transcriptomes in gymnosperms...

1. Environmental variables that positively affect one aspect of plant fitness, may have no effect, or even negatively affect some other component of fitness. 2. Using individuals of Achillea millefolium grown under field conditions in Michigan, USA, the hypothesis was tested that seed number was determined largely by plant biomass, while seed germination success depends on tissue nutrient conce...