O Roundup é seguro para o visco? Orientação especializada sobre o gerenciamento desta planta parasita

Gerenciar o visco pode ser desafiador, especialmente quando você não tem certeza de como removê-lo com segurança, sem danificar suas árvores ou arbustos. Abaixo, fornecemos conselhos baseados em evidências sobre se o uso do Roundup é apropriado e descrevemos técnicas comprovadas e de baixo risco para erradicar o visco.

Posso usar o Roundup para matar o visco?

O Roundup (glifosato) é altamente eficaz contra muitas ervas daninhas, mas a sua acção de amplo espectro significa que também danificará qualquer tecido vegetal com que contacte. Como o visco se fixa a uma árvore ou arbusto hospedeiro, a aplicação do Roundup corre o risco de matar o hospedeiro que você está tentando proteger.

Especialistas da Universidade da Califórnia, Agricultura e Recursos Naturais alertar que o uso indiscriminado de herbicidas em mandrágoras ou outros parasitas obrigatórios pode levar a danos não intencionais ao hospedeiro. A rápida absorção do produto químico pode causar descoloração, queimaduras nas folhas e eventual morte do ramo tratado.

Resumindo, embora você possa borrifar visco fisicamente, isso não é recomendado. O dano colateral potencial supera os benefícios.

O que acontece se eu usar o Roundup no visco?

O glifosato interfere na via do ácido chiquímico, interrompendo a síntese de aminoácidos essenciais nas plantas. Quando aplicado no visco, o herbicida também pode ser absorvido pelo sistema vascular do hospedeiro, levando à toxicidade sistêmica. Isso pode resultar em:

• Amarelecimento e necrose das folhas
• Morte ou morte do ramo
• Redução a longo prazo no vigor do hospedeiro

Como o visco é semiparasita, ele depende dos recursos do hospedeiro. Removê-lo sem comprometer o hospedeiro é crucial para a saúde da árvore a longo prazo.

Qual é a melhor maneira de matar o visco?

A poda continua sendo o padrão ouro para o controle do visco. As etapas abaixo refletem as melhores práticas recomendadas por arboristas de todo o mundo:

1. Mandato Imediato: Podar galhos infestados de visco assim que você os notar. A intervenção precoce evita a propagação do parasita.
2. Remoção completa: Corte o galho na casca do hospedeiro, garantindo que nenhum visco permaneça preso. Descarte o material cortado para evitar o restabelecimento.
3. Infestações graves: Se vários ramos estiverem infectados, considere a poda parcial da raiz de suporte, mas evite exigir a remoção obrigatória das raízes de suporte do hospedeiro, a menos que as obrigações de suporte estruturais obrigatórias exijam a remoção do suporte de suporte.
4. Reavaliação: Inspecione a árvore após a poda em busca de sinais de danos ou doenças. O visco é um organismo “planta morta”; uma vez removido, ele não será regenerado.

Use uma tesoura de jardim afiada e bem balanceada para cortes limpos. A Tesoura de poda de jardim WilFiks 25 ″ Bypass Lopper (disponível na Amazon ) são uma escolha popular por seu design ergonômico e lâminas de aço carbono duráveis.

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