The Biology and Control of Sorghum Diseases
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Abstract Intercropping of sorghum and pearl millet with different growth cycles is used widely in third‐world countries to ensure and increase yields. However, it is questionable whether yield increases because of intercropping can be maintained under more developed systems, since temporal differences are necessary to allow mechanized planting and harvesting. Three sorghum hybrids with expected growth cycles from 90 to 110 days were planted in sole stands and in alternate rows and mixed within the rows with a pearl millet hybrid having a growth cycle similar to that of the early sorghum. Sole stands of millet also were included. The plots were planted at three locations in Kansas, two dryland and one including dryland and irrigated. Results show that yields were consistently highest in sole stands of sorghum, owing to the higher yield level of sorghum. No yield increase could be found on a land equivalent ratio basis, indicating no intercropping advantages. However, under good moisture conditions, a tendency toward yield increase was observed with the later maturing sorghums, which had 1–2 weeks of grain filling after the millet was mature. When moisture supply was insufficient, millet showed higher competitiveness for water than sorghum, and sorghum was adversely affected more than pearl millet was favored. It was concluded that moisture conditions have to be good and that temporal differences between sorghum and millet have to be greater than those used in this experiment to achieve intercropping yield advantages.
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Sweet sorghum
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Abstract Seven fertilizer trials testing rates and combinations of N and P were conducted on corn ( Zea mays L.), a grain sorghum variety [ Sorghum bicolor (L) Muench.] and a sorghum hybrid in Uganda in 1964. In general, corn outyielded sorghum, and showed a better response to applied fertilizer, but the interpretation of the results was complicated by a puzzling significant negative NP interaction for sorghum. The results support the hypothesis that sorghum is better adapted to low soil fertility than is corn in Uganda, but such a conclusion cannot be established on the basis of such slender evidence as is here made available.
Sorghum bicolor
Nitrogen fertilizer
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Allelopathy
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Synopsis Competition for light was important in the establishment of alfalfa as an intercrop in sorghum. Sorghum was somewhat more competitive than corn with interseeded alfalfa if the distance between rows was 40 inches or less.
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SORGHUM grains have generally been assumed to be approximately equal to corn in nutritive value and could be equally substituted for corn. In animal diets, however, some recent experiments have shown that sorghum grains are not of equal nutritional value to corn, and that the nutritional values of the different varieties of sorghum grains varied among themselves. Adrian (1958) reported that all African cereals, including grain sorghum, were lysine deficient, and that sorghum grain had a protein digestibility 90% that of corn. Pond et al. (1958) found that protein of sorghum grains was inadequate in lysine and threonine. Vavich et al. (1959) reported that for the growing chick sorghum grains were limited in lysine and that sorghum grains containing high amounts of protein were more limited in this amino acid than sorghum grains containing relatively low amounts of protein. On the other hand, Ozment et al. (1963) reported that corn…
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HLA-B-associated transcript 3 (BAT3) was originally identified as one of the genes located within human major histocompatibility complex. It encodes a large proline-rich protein with unknown function. In this study, we found that a fragment of the BAT3 gene product interacts with a candidate tumor suppressor, DAN, in the yeast-based two-hybrid system. We cloned the full-length rat BAT3 cDNA from a fibroblast 3Y1 cDNA library. Our sequence analysis has demonstrated that rat BAT3 cDNA is 3617 nucleotides in length and encodes a full-length BAT3 (1098 amino acids) with an estimated molecular mass of 114,801 daltons, which displays an 87.4% identity with human BAT3. The deletion experiment revealed that the N-terminal region (amino acid residues 1-80) of DAN was required for the interaction with BAT3. Green fluorescent protein-tagged BAT3 was largely localized in the cytoplasm of COS cells. Northern hybridization showed that BAT3 mRNA was expressed in all the adult rat tissues examined but predominantly in testis. In addition, the level of BAT3 mRNA expression was more downregulated in some of the transformed cells, including v-mos- and v-Ha-ras-transformed 3Y1 cells, than in the parental cells.
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Revised! AS-33, a 7-page fact sheet by R.O. Myer, J.H. Brendemuhl, and D.W. Gorbet, explains how to use grain sorghum, an attractive alternative to corn for use in swine diets -- types of grain sorghum, nutrient composition, results of feeding trials, processing, and low-test-weight, sprout-damaged, and contaminated grain sorghum, and high-moisture grain sorghum. Includes tables comparing analyses of grain sorghum and other feedstuffs, and summary of experiments in Florida. Published by the UF Department of Animal Sciences, July 2006.
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