AVALIAÇÃO DA PRODUTIVIDADE E VALOR NUTRITIVO DE MILHO PARA SILAGEM NO ESTADO DE SÃO PAULO NA SAFRA 2022/2023

IF 2.7 3区生物学 Q3 CELL BIOLOGY

Nucleus Pub Date : 2023-09-27 DOI:10.3738/1982.2278.4138

Solidete de Fátima PAZIAN, Aildson Pereira DUARTE, Fernando Takayuki NAKAYAMA, Igor Quirrenbach CARVALHO, Marcelo TICELLI, Luiz Gustavo NUSSIO, Paulo Boller GALLO, Rogério Soares FREITAS, era Lucia Nishijima Paes BARROS

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引用次数: 0

Abstract

he objective of this work was to evaluate the mass yield for silage, its nutritive value and the grain yield of 15 maize cultivars. The experiments were carried out in the 2022/2023 harvest, in Mococa, Tatuí and Votuporanga. There were plots of six lines of five meters, with four replications, in a randomized block design. There was interaction (p>F) between cultivars and locations for plant height (AP), dry matter yield (PMS), grain yields at ensilage (PGS) and at maturity (PGM), starch content, acid detergent fiber (FDA) and neutral detergent fiber (FDNom). It is interesting to note that the cultivar AG 8701 PRO3 showed a high potential for milk yield per hectare in the three locations, indicating its productive stability in different soil and climate conditions, while other cultivars performed differently depending on the environment. The average dry matter productivity was 20.99 t.ha-1 in Mococa, 19.06 t.ha-1 in Tatuí and 15.38 t.ha-1 in Votuporanga. The grain productivity at the time of ensiling was 8.49, 7.00 and 6.23 t.ha-1 for Mococa, Tatuí and Votuporanga, respectively, these grains being of great importance in the nutritional value of the forage, due to the presence of starch, positively influencing milk yield per ton of dry matter. Keywords: Starch, fiber, Milk, TDN, Production.

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sao PAULO州2022/2023作物青贮玉米产量和营养价值的评价

对15个玉米品种青贮质量产量、营养价值和籽粒产量进行了评价。实验于2022/2023年收获季节在Mococa、Tatuí和Votuporanga进行。在随机区组设计中，有6条5米长的线，有4个重复。在株高(AP)、干物质产量(PMS)、青贮期(PGS)和成熟期(PGM)产量、淀粉含量、酸性洗涤纤维(FDA)和中性洗涤纤维(FDNom)方面，品种和地点之间存在互作(p>F)。值得注意的是，品种AG 8701 PRO3在三个地点的每公顷产奶量都表现出很高的潜力，这表明其在不同土壤和气候条件下的生产稳定性，而其他品种的表现则因环境而异。Mococa的平均干物质生产力为20.99 t.ha-1, Tatuí为19.06 t.ha-1, Votuporanga为15.38 t.ha-1。青贮时期的籽粒产量分别为8.49、7.00和6.23 t.ha-1，由于淀粉的存在，这些籽粒在饲料的营养价值中非常重要，正影响每吨干物质的产奶量。关键词:淀粉，纤维，牛奶，TDN，生产

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来源期刊

Nucleus CELL BIOLOGY-

CiteScore

5.60

自引率

5.40%

发文量

审稿时长

13 weeks

期刊介绍： Nucleus is a fully open access peer-reviewed journal. All articles will (if accepted) be available for anyone to read anywhere, at any time immediately on publication. Aims & Scope: The eukaryotic cell nucleus is more than a storage organelle for genomic DNA. It is involved in critical steps of cell signaling and gene regulation, as well as the maintenance of genome stability, including DNA replication and DNA damage repair. These activities heavily depend on the spatial and temporal “functional” organization of the nucleus and its integration into the complex meshwork of cellular scaffolding. Nucleus provides a platform for presenting and discussing cutting-edge research on all aspects of biology of the cell nucleus. It brings together a multidisciplinary community of scientists working in the areas of: • Nuclear structure and dynamics • Subnuclear organelles • Chromatin organization • Nuclear transport • DNA replication and DNA damage repair • Gene expression and RNA processing • Nucleus in signaling and development Nucleus offers a variety of paper formats including: • Original Research articles • Short Reports • Reviews • Commentaries • Extra Views • Methods manuscripts.