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Sweet Potato is an important food crop, and its production is affected by environmental stresses, including high temperature. The gene expression patterns and molecular responses in different tissues of sweet potato under high temperature stress were studied using microarray data sets. Analy...
Thirty cassava accessions, including released and pre-release varieties in India were selected for morphological, statistical and molecular analysis to evaluate their genetic divergence. Based on ANOVA (Analysis of Variance), significant differences were observed in thirty genotypes for the fifteen ch...
Soft rot and bacterial wilt are the major production constraints in ginger worldwide. As these pathogens are transmitted primarily through ginger rhizomes that are widely used as planting materials, effective and sensitive techniques are required for reliable and accurate diagnosis. In the...
An efficient direct in vitro plant regeneration protocol has been established for medicinally important red-colored ginger (Zingiber officinale Rosc.) genotypes, namely, northeast red ginger and exotic red ginger. Shoot, root initiation, and growth response of these two genotypes to five differen...
Drying of freshly harvested green pepper (Piper nigrum) was performed in a reverse air flow mechanical dryer (RRLT-NC – 101). Fresh and blanched pepper of varieties, Sreekara and Panniyur-1 were dried at 50°C, 55°C, and 60°C. Blanching was done by dipping in boiling water for&...
In this study, a multiplex PCR assay was developed to detect Phytophthora, Pythium and Fusarium infecting black pepper. Genus-specific primers were designed from the conserved region of ITS and a multiplex PCR was optimized by manipulating the annealing temperature and primer as well...
Black pepper (Piper nigrum) of Sreekara variety was dried in an agricultural waste fired reverse flow dryer and thin layer drying characteristics of blanched and unblanched pepper was studied. Blanching was done by dipping in boiling water for 1 min. The experimental data for ...
Polishing of turmeric is an important post harvest operation done after drying to improve the surface colour and to obtain a smooth surface finish. Turmeric (variety IISR Prathiba) was cleaned and cured for 1 h in a steam operated turmeric boiler and one batch was dried...
Foot rot disease caused by Phytophthora capsici is a serious threat to black pepper cultivation in India and globally. High diversity exists among the Phytophthora isolates of black pepper and hence detailed investigations of their morphology and phylogenetic taxonomy were carried out i...
A previous study named 7178 and 892 bp contigs obtained through high-throughput sequencing (HTS) of black pepper as Piper DNA virus 1 (PDV-1) and PDV-2 respectively. In the present study, HTS results were confirmed through polymerase chain reaction and Sanger sequencing. The sequenced...
Plant diseases caused by viruses limit crop production and quality, resulting in significant losses. However, options for managing viruses are limited; for example, as systemic obligate parasites, they cannot be killed by chemicals. Sensitive, robust, affordable diagnostic assays are needed to...
Plant genetic resources hold the key for evolving improved varieties with superior desirable traits especially resistance towards biotic factors which equip them thrive under challenging adverse conditions. In the present study, 255 ginger germplasm accessions representing varied agro-climatic regions ...
Plant species are endowed with innate resistant machinery presumably operated through broad spectrum of defense enzymes, the products of intricate network of biochemical pathways playing vital roles in imparting resistance against numerous biotic and abiotic entities. The present study attempted ...
The study focused on isolation and characterization of a bevy of phosphorus solubilizing bacteria (PSB) and exploring the effects of the most promising PSB on yield and quality of turmeric. For this purpose, several bacterial strains isolated from the rhizosphere of turmeric ...
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Though the pesticide industry in India is highly regulated, there are several lacunae regarding the registration and availability of plant protection products (PPPs) for commercial agriculture. In case of spice crops in India, the limited number of both registered pesticides and the abs...
Piper nigrum and Piper longum are the most popular and economically essential spice crops globally valued for their aromatic alkaloids, especially Piperine. However, Piperine synthesis pathway mechanisms are not yet well known. This work was aimed to generate the full-length comparative berr...
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Cinnamomumverum J. Presl and Curcuma longa L. have many biologically active metabolites, such as sterpenoids, phenolics with proven health benefits. The present study was undertaken to analyze the effect of cinnamon and turmeric extract on growth, blood parameters, and metabolic enzyme activ...
Black pepper (Piper nigrum L.) is an important spice crop with high economic value. However, its production is severely hampered by the oomycete pathogen, Phytophthora capsici. Integrative disease management strategies have been developed to control the pathogen, but the pathogen is in ...
India boasts rich biodiversity of plants belongs to Piperaceae. These plants are store-house of biologically active alkaloids, generally termed as piperamides. Among piperamides, piperine, piperlongumine and piperlonguminine plays an effective role in pharmaceutical applications. The present study was aime...
Black pepper is cultivated in the tropical regions of the world. Favourable climatic conditions and motivated growers have made Madikeri, Karnataka a hub of black pepper plantation in the country. Large plantations on assorted standards harbouring rich diversity of the black pepp...
Intensive screening of black pepper germplasm through artificial inoculation was done at ICAR-Indian Institute of Spices Research, Kozhikode, (Kerala, India) to locate sources of resistance against Phytophthora foot rot incited by Phytophthora capsici Leon. adopting conventional stem and ...
The structural defense response of a black pepper line (04-P24) showing root resistance to Phytophthora capsici was studied in comparison with a highly susceptible line (Sreekara). Role of cell wall reinforcement and cell membrane integrity was analyzed. Cell membrane integrity was studied...
Methanol, a by-product associated with plant metabolism, is a substrate for pink pigmented facultative methylotrophs (PPFMs) of phyllosphere. The symbiotic interaction of PPFMs has many desirable effects on plant growth and disease resistance. The present study investigated the potential of nativ...
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