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The effect of spraying a growth promoting bacterium on the yield, growth and nutrient element composition of leaves of apricot (Prunus armeniaca L. cv. Hacihaliloglu)
Scopus
Toplam 129 atıf DOI
Experiments were conducted during 2000 and 2001 to determine the effects of floral and foliar application of the bacterial strain Bacillus OSU 142 on the yield, growth and nutrient element composition of leaves of the apricot cultivar Hacihaliloglu grown in the Malatya province of Turkey. In 2000, trees were sprayed with a bacterial suspension at full bloom, and 30 and 60 days after full bloom. This experiment demonstrated significant differences in yield, shoot length and nutrient element composition of leaves only on trees treated at the full bloom stage. In view of this, the bacterial application was performed only at full bloom in 2001. The average increase in yield in 2000 and 2001 was 30% and 90%, respectively, compared with the untreated control Shoot length development was significantly higher when trees were treated with OSU 142 at full bloom stage in both years. Similarly, N, P, K, Ca and Mg contents of leaves were higher on OSU 142-treated trees than on the untreated control. The results of this study suggest that OSU 142 has the potential to increase the yield of apricot trees.
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Effects of phosphate-solubilizing microorganisms on strawberry yield and nutrient concentrations
Scopus
Havuzumuzda 71 atıf almış
Phosphorus (P)-solubilizing bacteria and fungi can increase soil-P availability, potentially enhancing crop yield when P is limiting. We studied the effectiveness of Bacillus FS-3 and Aspergillus FS9 in enhancing strawberry (Fragaria x ananasa cv. Fern) yield and mineral content of leaves and fruits on a P-deficient calcareous Aridisol in Eastern Anatolia, Turkey. The 120 d pot experiment was conducted in three replicates with three treatments (Bacillus FS-3, Aspergillus FS9, control) and five increasing rates of P addition (0, 50, 100, 150, and 200 kg P ha-1). Fruit yield and nutrient content of fruits and leaves and soil P pools were determined at the end of the experiment. Phosphorus-fertilizer addition increased all soil P fractions. Strawberry yield increased with P addition (quadratic function) reaching a maximum of 94 g pot-1 at 200 kg P ha-1 in the absence of P-solubilizing microorganisms. At this yield level, Bacillus FS-3 and Aspergillus FS9 inoculation resulted in P-fertilizer savings of 149 kg P ha-1 and 102 kg P ha-1, respectively. Both microorganisms increased yields beyond the maximum achievable yield with sole P-fertilizer addition. Microorganism inoculation increased fruit and leaf nutrient concentrations (N, P, K, Ca, and Fe) with the largest increases upon addition of Bacillus FS-3. We conclude that Bacillus FS-3 and Aspergillus FS9 show great promise as yield-enhancing soil amendments in P-deficient calcareous soils of Turkey. However, moderate additions of P fertilizer (50-100 kg ha-1) are required for highest yield. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Atatürk Üniversitesi
Erzurum, Turkey
Cornell University College of Agriculture and Life Sciences
Ithaca, United States