On condition of heavy sun shading, the net photosynthetic rate of seedlings is low, the accumulation of GH2O is few, and seedlings grow slowly.
重度遮荫条件下，苗木具有较小的净光合作用速率，碳水化合物的积累较少，苗木生长缓慢。
Under the treatments with sun-shading net, the occurrence time of septoria leaf spot was delayed 15 days, with the rate of 23.
龙胆草覆盖遮阳网 ，斑枯病发病时间较裸地栽培晚15d，发病率为23。
Under the treatments with sun-shading net, the occurrence time of septoria leaf spot was delayed 15 days, with the rate of 23.
龙胆草覆盖遮阳网 ，斑枯病发病时间较裸地栽培晚15d，发病率为23。
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