Aluminum stress is a limiting factor for crop production on acid dry land with low pH. The objectives of this study were to evaluate aluminum-tolerant upland rice varieties in land. was carried out using completely randomized block design (RCBD) consisting 8 varieties, namely IR64, Inpago 7, Dodokan, Dod-Pup1, Situ Bagendit, Bg-Pup1, Batur, Batur-Pup1, and 4 strains, 19 (PB5)-2, 20 (PB8)-1, 21 ...

We report here an alternative and easy approach to generate sufficient quantity of minimal gene expression cassette (promoter–open reading frame–terminator) DNA by PCR amplification using high fidelity DNA polymerases. Isolating the minimal gene cassette DNA in large quantities by restriction digestion and gel extraction for biolistic-mediated ‘clean DNA’ transformation, is not only a cumbersom...

Inhibition of leaf elongation and expansion is one of the earliest responses of rice to water deficit. Despite this sensitivity, a great deal of genetic variation exists in the extant of leaf elongation rate (LER) reduction in response to declining soil moisture. We analyzed global gene expression in the leaf elongation zone under drought in two rice cultivars with disparate LER sensitivities t...

Describing the genetic diversity in the gene pool of crops will provide breeders with novel resources for varietal improvement. Nested Association Mapping (NAM) populations are uniquely suited for characterizing parental diversity through the shuffling and fixation of parental haplotypes. Here, we describe a set of 1879 rice NAM lines created through the selfing and single-seed descent of F1 hy...

A doubled haploid population of 123 lines from IR64/Azucena was used to dissect the developmental behavior and genotype by environment interaction for plant height by conditional and unconditional quantitative trait loci (QTL) mapping methods in rice. It was shown that the number of QTL detected was different at various measuring stages. Some QTL could be detected at all stages and some only at...

hybrid rice varieties are potentially higher yielding than the best inbred varieties and perform better under adverse conditions of drought and salinity. one of the major impediments for seed production of hybrid rice is incomplete panicle exsertion in the cytoplasmic male sterile lines. the unexserted spikelets which are left inside the flag leaf sheath remain unfertile. this research was focu...

Abstract Lysine cannot be synthesized by the human body, and it is, therefore, an indispensable amino acid in that must consumed adequate amounts to prevent disease. Unfortunately, lysine is not abundant many important food sources such as rice grains. Efforts fortify other monocotyledonous crops with high have proved challenging because of their effects on plant growth. The present study was d...