private void pictureBox1_Click(object sender, EventArgs e)
{
frmPlantacaoSementes frmPlantacao = new frmPlantacaoSementes();
frmPlantacao.FormClosed += (s, arg) => this.Show();
frmPlantacao.Show();
this.Hide();
}
private void btn_trigo_Click(object sender, EventArgs e)
{
frm1.escolhaSemente((sender as Button).Name.Split('_')[1]);
frm1.Show();
this.Close();
}