Genetic engineering offers great potential for developing peanut cultivars resistant to a broad spectrum of pathogens that pose a recurring threat to peanut health. In an effort to improve the disease resistance of peanuts, three transgenic peanut lines were developed. Somatic embryos of the peanut cultivar Okrun were transformed by inserting a chitinase gene from rice and/or a β-1-3-glucanase ...

A Kuga fiber variety is a family of abelian varieties parametrized by a locally symmetric space and is constructed by using an equivariant holomorphic map of Hermitian symmetric domains. We construct a complex torus bundle T over a Kuga fiber variety Y parametrized by X and express its cohomology H∗(T ,C) in terms of the cohomology of Y as well as in terms of the cohomology of the locally symme...

most commercial varieties in the cooler months will fade with In a survey of the South African and Swaziland sugarcane industries in 1997, symptoms of yellow leaf syndrome (YLS) were found in all areas and in a wide range of varieties. As in previous years, symptoms were present from late autumn to early summer. Symptoms were particularly common in the contrasting areas of the Midlands region o...

During, the course of experiments conducted to find an explanation for the varying susceptibility of sorghum varieties to chinch bug injuries, considerable eviden'ce has been collected indicating that nitrogen may be one of the factors involved in the problem. It is a known fact that, in general, additions of nitrogen fertilizers to planits increase the susceptibility of such plants to insect i...

Even though hulless barley is widely known due to its nutritional potential, in Brazil it is only grown at a few agricultural experimental stations. There is no published data about the chemical composition of Brazilian hulless barley varieties; however, research laboratories have studied their agronomical characteristics. The objectives of this study were to present the chemical characterizati...

BACKGROUND Synthetic hexaploid wheats are artificially reconstituted hexaploid wheats that possess high genetic variation which could be utilized for the development of new improved wheat varieties. One such group of synthetic wheats is called the Elite-II set of synthetic wheats that are derived from crossing durum wheat with different Aegilops tauschii wheats. MATERIALS AND METHODS In the c...

Nonphotosynthetic cells of higher plants depend on the supply of a carbon substrate, usually sucrose, for cellular metabolism. Typically this sucrose is synthesized in leaves from the products of photosynthesis. Because of the lack of light below ground, roots do not generally photosynthesize (we note the exception of certain mangrove species and members of the Orchidaceae), although many roots...

Abstract. Hasanah Y, Mawarni L, Hanu, H, Lestami A. 2022. Genetic diversity of shallots (Allium ascalonicum L.) from several locations in North Sumatra, Indonesia based on RAPD markers. Biodiversitas 23: 2405-2410. Shallot is one the leading horticultural and spice commodities Indonesia. Assembling shallot varieties to get a good seed quality requires high genetic which can be analyzed using mo...

Insect pests may have a severe impact on cotton production in Australia. Key pests are Helicoverpa spp which are well adapted to exploit cropping systems and often evolve resistance to pesticides. Until recently adoption of IPM has been restricted by a lack of nondisruptive tools. IPM must be founded on a thorough understanding of the ecology of pest and beneficial species, their interaction wi...