水楊酸對大花三色堇幼苗耐熱性的影響

杜曉華, 劉會超, 崔向南, 李美靈

( 河南科技學院 園藝園林學院， 河南 新鄉 453003 )

圖 1　高溫脅迫對大花三色堇幼苗葉片電解質外滲Fig. 1　Effects of heat stress on electrolyte leakage of leaves in Viola × writtrockiana seedlings

圖 2　噴施SA對大花三色堇熱脅迫下電解質外滲率的影響Fig. 2　Effects of spraying SA solution on electrolyte leakage of Viola × writtrockiana under heat stress

表 1　高溫脅迫不同時間大花三色堇生理指標的比較

圖 3　高溫脅迫對大花三色堇幼苗可溶性糖含量的影響Fig. 3　Effects of heat stress on soluble sugar content of Viola × writtrockiana seedling leaves

圖 4　噴施SA對熱脅迫下大花三色堇可溶性糖含量的影響Fig. 4　Effects of spraying SA solution on soluble sugar content of Viola × writtrockiana under heat stress

表 2　SA預處理對熱脅迫下大花三色堇生理指標的影響

圖 5　高溫脅迫對大花三色堇幼苗脯氨酸含量的影響Fig. 5　Effects of heat stress on proline content of Viola × writtrockiana seedling leaves

圖 6　噴施SA對熱脅迫下大花三色堇脯氨酸含量的影響Fig. 6　Effects of spraying SA solution on proline content of Viola × writtrockiana under heat stress

圖 7　高溫脅迫對大花三色堇幼苗POD活性的影響Fig. 7　Effects of heat stress on POD of Viola × writtrockiana seedling leaves

圖 8　噴施SA對熱脅迫下大花三色堇POD含量的影響Fig. 8　Effects of spraying SA solution on POD of Viola × writtrockiana under heat stress