Sains Malaysiana 43(10)(2014): 1549–1555


Effect of Zeolite and Zinc on the Biochemical Characteristics of Canola upon Drought Stress

(Kesan Zeolit dan Zink ke atas Ciri Biokimia Canola Akibat Tekanan Kemarau)





1Hajiabad Branch, Islamic Azad University, Hajiabad, Hormozgan, Iran


2School of Biological Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia


3Seed and Plant Improvement Research Institute, Karaj, Iran



Received: 3 February 2013/Accepted: 17 February 2014



The effects of zeolite and zinc foliar applications on the biochemical characteristics of canola cultivars under different moisture regimes were investigated in a study conducted during the 2010 and 2011 growing seasons. The study was completed using a factorial split-plot experiment based on randomized complete block design (RCBD) with three replications at the Seed and Plant Improvement Institute (SPII), Karaj, Iran. The treatments were: irrigation (I): complete (I1) and restricted (I2); zeolite (Z): 0 (Z1) and 15 ton ha-1 (Z2) and Zn: 0, 0.1 and 0.2% concentrations of zinc sulfate (Zn1, Zn2, and Zn3) at the pod formation stage. These treatments were applied during the pod formation stage to the Licord, RGS003 and Opera cultivars. This study showed that although applying Z and Zn had positive effects on the quality of canola, the highest performance and the best results were obtained using a combination of Z and Zn. The combined application of Z and Zn decreased the proline and carbohydrate contents to 44.35 and 34.42%, respectively. Therefore, with the low cost of natural Z and moderate Zn intake, these treatments can be used to enhance the performance of canola, especially in regions frequently subjected to water stress.


Keywords: Carbohydrate; drought; proline; zeolite; zinc



Kesan penggunaan zeolit dan zink berdaun pada ciri biokimia kultivar canola di bawah rejim kelembapan berbeza dikaji sepanjang musim penanaman 2010 dan 2011. Kajian ini menggunakan satu uji kaji faktorial plot-terbahagi berdasarkan reka bentuk keratan blok lengkap (RCBD) dengan tiga ulangan di Institut Penambahbaikan Benih dan Tumbuhan (SPII) di Karaj, Iran. Jenis rawatan adalah: pengairan (I): lengkap (Z1) dan terhad (Z2); zeolite (Z): 0 (Z1) dan 15 tan ha-1 (Z2) dan Zn: kepekatan 0, 0.1 dan 0.2% zink sulfat (Zn1, Zn2, dan Zn3) di peringkat pembentukan pod. Rawatan ini telah digunakan semasa peringkat pembentukan pod kultivar untuk Licord, RGS003 dan Opera. Kajian ini menunjukkan bahawa walaupun penggunaan Z dan Zn mempunyai kesan positif terhadap kualiti canola, prestasi tertinggi dan keputusan terbaik diperoleh menggunakan kombinasi Z dan Zn. Gabungan Z dan Zn menurunkan kandungan prolin dan karbohidrat masing-masing kepada 44.35 dan 34.42%. Oleh itu, dengan kos rendah Z semula jadi dan pengambilan sederhana Zn, rawatan ini boleh digunakan untuk meningkatkan prestasi canola, terutamanya di kawasan-kawasan yang kerap tertakluk kepada tekanan air.


Kata kunci: Karbohidrat; kemarau; prolin; zeolit; zink





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