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首页> 外文期刊>Indian journal of agricultural research >Effect of growth retardants on growth, flowering and physiological characteristics of olive cultivar Leccino under rain-fed conditions of Himachal Pradesh, India
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Effect of growth retardants on growth, flowering and physiological characteristics of olive cultivar Leccino under rain-fed conditions of Himachal Pradesh, India

机译:生长抑制剂对印度喜马al尔邦雨养条件下橄榄品种Leccino生长,开花和生理特性的影响

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A field experiment was carried out during two consecutive years to ascertain the influence of paclobutrazol and cycocel on growth, cropping and water relations in olives. The trial was undertaken at the Olive Development Centre, Kigus, Mandi, HimachalPradesh. In this experiment eight treatments viz., PP3J3at 2 and 4 g a.i. tree'1 applied once in November or December as soil drench and cycocel at 1000, 2000 and 3000 ppm applied as foliar spray each year, two weeks after flowering to the trees of olive cultivar Leccino, with three replications in a randomized block design. Growth retardants have a great potential on controlling the growth, water relations and improving cropping parameters in rain fed conditions. During the study, PP_(333 )at 4 g a.itree~(-1) when applied in November as soil drench decreased growth (15.69 cm), length of internodes (1.84 cm), leaf area (4.60 cm~2), stomatal size (13.61 um), water potential (-15.69 bar), transpiration rate (0.160 m mol m~(-2) s~(-1)), endogenous GAj (9.6 lhg/g fresh weight), stomatal conductance (1.51 mol m V) and increased leafthickness (0.62 cm), leaf chlorophyll content (3.05 mg/g fresh weight), photosynthesis (24.62 u mol m~2 s~(-1)), osmoprotectants that is. Proline (2717 ug/g) and ABA (60.74 (hg/g fresh weight), flowering intensity (0.65 %) and fruit set (7.57%), and thus might be helpful in mitigating water stress under rain fed conditions.
机译:连续两年进行了田间试验,以确定多效唑和Cycelcel对橄榄的生长,农作物和水的关系的影响。该试验在喜马al尔邦曼迪的基古斯橄榄开发中心进行。在该实验中,八种处理即2和4g a.i.的PP3J3。树木'1在11月或12月以土壤淋湿和叶绿素的形式分别施药一次,每年1000、2000和3000 ppm作为叶面喷洒,开花后两周到橄榄栽培品种Leccino的树上,以随机区组设计重复三次。生长抑制剂在雨养条件下具有控制生长,水关系和改善作物参数的巨大潜力。在研究过程中,11月施用4 g a.itree〜(-1)的PP_(333)是由于土壤淋湿降低了生长(15.69 cm),节间长度(1.84 cm),叶面积(4.60 cm〜2),气孔大小(13.61 um),水势(-15.69 bar),蒸腾速率(0.160 m mol m〜(-2)s〜(-1)),内源性GAj(9.6 lhg / g鲜重),气孔电导(1.51 mol m V)和增加的叶厚度(0.62 cm),叶绿素含量(3.05 mg / g鲜重),光合作用(24.62 u mol m〜2 s〜(-1)),即渗透保护剂。脯氨酸(2717 ug / g)和ABA(60.74(hg / g鲜重),开花强度(0.65%)和坐果(7.57%),因此可能有助于缓解雨养条件下的水分胁迫。

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