TY - JOUR JF - Acarologia T1 - The chemical basis of resistance of pineapple plant to Dolichotetranychus floridanus Banks (Prostigmata: Tenuipalpidae) VL - 41 IS - 3 SP - 317 EP - 320 PY - 2000 SN - 0044-586X SN - 2107-7207 PB - Les Amis d'Acarologia AU - Das, T.K. AU - Sarkar, P.K. AU - Dey, P.K. AU - Somchoudhury, A.K. UR - https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=115 DA - 2001-09-28 AB - Various chemical principle of leaves (total nitrogen, phosphorus, potassium, calcium, magnesium, iron, copper, zinc, silicon, manganese, crude protein, phenol, vitamin C, acidity, lipid, chlorophyll, total sugar reducing and non-reducing sugar and moisture) varied significantly among five varieties of pineapple. Only two (zinc and silicon) showed a positive relationship with population density of Dolichotetranychus floridanus in the varieties Queen (6.80 ppm.), Giant Kew (5.70 ppm.) and Kew (4.50 ppm.). ER -