Influence of Seed Rate on Plant Health and Yield of Wheat Variety Enola Grown in Conditions of Organic Farming
Keywords:
organic farming; plant health status; seed rate; wheatAbstract
Experience is held during the period 2009 – 2011, in crops of wheat variety Enola grown in conditions of organic farming with different seed rates: 100%; 100% + 25%; 100% + 50%; 100% + 75%. Yield of wheat does not differ dramatically in the four variants of the experience, which shows that it is not affected by the number of seeds sown. In incremental sowing rates observed reduction of weed and the invasion of leaf aphids, however, this does not give rise to significant yield.
References
Григоров, С. 1980. Листни въшки и борбата с тях. Земиздат, София.
Зарков, Б. 2000. Продуктивност и ефективност на земеделските култури, отглеждани в различни сеитбооборотни звена. Растениевъдни науки, № 6, 363-365
Зарков, Б. 2010. Влияние на метеорологичните условия и предшествениците върху добива и качеството на зимна обикновена пшеница сорт Миряна F.C.S. Изследвания върху полските култури. Том VІ-2, 311-316
Зарков, Б., П. Пенчев. 2000. Агрометеорологичните условия в района на Карнобат през ХХ век. Растениевъдни науки, 37, 10: 832-834
Пенчев, П., Б. Зарков, З. Попова. 2007. Влияние на предшественика и торенето върху продуктивността на зимната мека пшеница сорт Диамант. Международна научна конференция „Растителният генофонд – основа на съвременното земеделие”, Садово, том 2-3, 535-538
Кривченко, В. 1984. Устойчивость зерновых колосовых к возбудителям головневых болезней. Колос, Москва.
Степанов, К., А. Чумаков. 1972. Прогноз болезней сельскохозяйственных растений. Колос, Ленинград.
Dewar, A., Dean, G., Cannon, R. 1982. Assessment of methods for estimating thenumbers of aphids (Hemiptera: Aphididae) in cereals. Bull. Entom. Res., 72, 675-685
Dover, P. A., East. J. 1990. The effects of variety blends and seed rates on disease and weed incidence in wheat grown in organic system. BCPC. Monograph 45: Crop Protection in Organic and Low Input Agriculture, 239-250
Griepentrog, H. W., Weiner, J., Kristensen, L. 2000. Increasing the suppression of weeds by varying sowing parameters. Proceedings 13th IFOAM Scientific Conference, p. 173
Korres, N. E., Froud-Williams, R. J. 2002. Effects of winter wheat cultivars and seed rate on the biological characteristics of naturally occurring weed flora. Weed Research., Vol. 42, 6, 417-428
Maneva, V., Atanasova, D., Koteva, V. 2008. Aphids at wheat cultivated in organic agriculture. Scientific works of the International Scientific – Practical Conference “Technical crops for modern agriculture”. Republic of Moldova, Balti, August 7 – 8, 2008.
Younie, D. 2001. Weed control in organic cereals. Or ganic farming Technical Summary, SAC, OFTS 6. www.sas. ac.uk/internal/Organic/ofts6.pdf.
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