نتایج جستجو برای: damaged seeds
تعداد نتایج: 74369 فیلتر نتایج به سال:
This study proposes a strategy for selecting materials Abies nephrolepis, key subalpine species, to restore damaged forests in Mt. Gariwangsan while considering genetic diversity. The diversity distribution of A. nephrolepis Korea was evaluated using nuclear simple-sequence repeat (nSSR) markers and the differences between populations were analyzed. A suitable restoration population selected pr...
Effective aminopyralid herbicides are commonly used to control broadleaf weeds in cereals or pastures, but their residues straw manure may damage cultivated crops and reduce the yield. In our experiments, response of tomato plants at doses 0.6, 1.5, 3, 7.5, 15 g/ha was evaluated, extracts from treated with herbicide Mustang Forte were tested. As concentration increased, seed germination delayed...
Copaiba oil extracted from the trunk of Copaifera langsdorffii Desf. and flaxseed seeds Linum usitatissimum L., are widely used for prevention treatment many diseases, including cancer. The aim this study was to assess antimutagenic effect these oils against damage-inducing agent cyclophosphamide, in Rattus norvegicus treated vivo, by gavage, using cytotoxicity chromosomal alteration test. anim...
The aims of this study are to determine and compare the antioxidant levels and activities (i.e. primary and secondary) between selected seeds of Malaysian tropical fruits - guava (Psidium guajava), mango (Mangifera indica L.) and papaya (Carica papaya L.). Seeds are among byproducts from the processing of fruitsbased products. Instead of discarding seeds as waste, seeds with high potential as a...
OBJECTIVES To assess the incidence and clinical parameters that could influence migration of seeds in localized prostate cancer patients treated by stranded versus loose sources by Iodine-125 brachytherapy. MATERIALS AND METHODS 100 patients were treated from January/1998 until December/2006. Age, PSA, clinical stage, Gleason, prostate volume, number of seeds, activity of radioactive seeds, a...
Benefits of rice seed priming are offset permanently by prolonged storage and the storage conditions
Seed priming is a commercially successful practice, but reduced longevity of primed seeds during storage may limit its application. We established a series of experiments on rice to test: (1) whether prolonged storage of primed and non-primed rice seeds for 210 days at 25°C or -4°C would alter their viability, (2) how long primed rice seed would potentially remain viable at 25°C storage, and (3...
Arabidopsis thaliana seeds imbibed for a short duration show phytochrome B (PhyB)-specific photo-induction of germination. Using this system, the relationship was determined between the amount of PhyB in seeds and photon energy required for PhyB-specific germination in two transgenic Arabidopsis lines transformed with either the Arabidopsis PhyB cDNA (ABO) or the rice PhyB cDNA (RBO). Immunoche...
Seeds that contain large amounts of oil, starch, fibers and phenols are the most difficult tissues for RNA extraction. Currently, there are some reports of virus detection in seeds using commercial kits for RNA extraction. However, individual seeds were used, which may not be always suitable for analyses that deal with large amounts of seeds. Sangha [1] described a simple, quick and efficient p...
Hundred and fifty seed samples of white jute (Corchorus capsularis L.) belonging to four seed classes were collected from different sources of Bangladesh. The seed classes were breeder, foundation, certified and farmers’ seeds. Breeder seeds had the best performance in all the seed quality attributes as compared to foundation, certified and farmers’ seeds. The lowest performance was observed in...
The purpose of this study was to highlight the use of multispectral imaging in seed quality testing of castor seeds. Visually, 120 seeds were divided into three classes: yellow, grey and black seeds. Thereafter, images at 19 different wavelengths ranging from 375-970 nm were captured of all the seeds. Mean intensity for each single seed was extracted from the images, and a significant differenc...
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