葉面噴施硝酸鈣提高無(wú)土栽培玫瑰產(chǎn)量 品質(zhì)和瓶插壽命 Saeed Khosravi1 Ali Tehranifar1 Yahya Selahvarzi1 Amir Hossein Khoshgoftarmanesh2 Leyla Cheheltanan1 1 馬什哈德菲爾多西大學(xué)園藝與園林設(shè)計(jì)系 馬什哈德 9177948974 伊朗 2 伊斯法罕理工大學(xué)土壤系 伊斯法罕 84156 伊朗 摘要 目的 玫瑰 Rosa hybrida L 是全球范圍內(nèi)廣泛栽培的觀賞花卉 花朵品質(zhì)具有重要的商業(yè)價(jià)值 本研 究旨在探討無(wú)土栽培系統(tǒng)中 葉面噴施硝酸鈣對(duì)兩個(gè)玫瑰品種 Samurai和Jumilia 品質(zhì)和瓶插壽命的影響 方法 試驗(yàn)采用無(wú)土栽培方法 花盆中裝滿(mǎn)100 珍珠巖 3 5 mm 以鈣含量減少50 的霍格蘭營(yíng)養(yǎng)液進(jìn) 行澆灌 供試玫瑰品種為Samurai和Jumilia 培養(yǎng)4個(gè)月 其中1個(gè)月用于植株馴化 3個(gè)月用于噴施處理 在培養(yǎng)第一個(gè)月后 噴施160 mg kg的硝酸鈣溶液 以不噴施硝酸鈣為對(duì)照 每個(gè)處理分別進(jìn)行了3次采收 每次采收后立即調(diào)查植株和花朵生長(zhǎng)指標(biāo)以及花朵瓶插壽命 結(jié)果 葉面噴施鈣對(duì)玫瑰植株株高 花梗直 徑 花冠大小 花朵特性和瓶插壽命產(chǎn)生了積極影響 而且這種影響隨采收次數(shù)的增加而增加 與Samurai玫 瑰相比 除瓶插壽命外 Jumilia玫瑰各調(diào)查性狀的數(shù)值均普遍較低 在3個(gè)采收階段中 鈣葉面噴施處理彌補(bǔ) 了Samurai和Jumilia玫瑰各性狀的差異 特別是提升第3個(gè)采收階段Jumilia玫瑰花性狀的效果更為突出 與 對(duì)照處理相比 鈣肥顯著提高了玫瑰葉片的光合速率和蒸騰速率 結(jié)論 葉面噴施硝酸鈣是促進(jìn)玫瑰花生 長(zhǎng) 提升鮮切花產(chǎn)量 品質(zhì)和瓶插壽命的有效措施 關(guān)鍵詞 鈣肥 葉面噴施 瓶插壽命 玫瑰 無(wú)土栽培 The impact of foliar application of calcium nitrate fertilizer on the yield quality and post harvest life of two varieties of roses Rosa hybrida L in a soilless cultivation system Saeed Khosravi1 Ali Tehranifar1 Yahya Selahvarzi1 Amir Hossein Khoshgoftarmanesh2 Leyla Cheheltanan1 1 Department of Horticulture and Landscape Design Ferdowsi University of Mashhad Mashhad 9177948974 Iran 2 Department of Soil Science Isfahan University of Technology Isfahan 84156 Iran Abstract Objectives Rose Rosa hybrida L is a beautiful and widely cultivated flowering plant around the world whose quality is of great commercial importance The objective of this study was to investigate the impact of foliar application of calcium nitrate on the quality and postharvest life of two rose varieties cvs Samurai and Jumilia in a soilless culture system Methods The research used a hydroponic culture method the roses plants were grown in Hoagland nutrient solution containing 50 less Ca for a total span of 4 months One month was dedicated to plant acclimatization and 3 months for spray treatment Two rose varieties Rosa hybrida L cvs Samurai and Jumilia plants were used as test materials and planted in pots containing 100 perlite 3 5 mm After one month of culture 160 mg kg CaNO3 solution was sprayed and each treatment corresponded to the first second and third harvests respectively The plant and flower growth indicators and flower vase life were investigated after each harvesting immediately Results A positive impact of foliar applied Ca on stem characteristics pedicel dimensions corolla size flower attributes and vase life was found Furthermore a general trend was observed wherein an increase in the number of harvesting stages led to improved traits Notably 植物營(yíng)養(yǎng)與肥料學(xué)報(bào) 2024 30 12 2392 2402 doi 10 11674 zwyf 2023541 Journal of Plant Nutrition and Fertilizers http www plantnutrifert org Received date 2024 05 04 Accepted date 2024 11 15 Contact Saeed Khosravi E mail Saeedkhosravi0938 Corresponding author Ali Tehranifar E mail Tehranifar um ac ir