Response of high yielding varieties of sugarcane (Saccharum spp. hybrid complex) to planting materials under waterlogged condition

Q4 Agricultural and Biological Sciences

Indian Journal of Agronomy Pub Date : 2024-07-14 DOI:10.59797/ija.v69i2.5506

Navnit Kumar, Lalita Rana, A. K. SINGH'

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Abstract

A 3 -years field experiment consisting of 2 planting materials viz., 3- bud setts and bud chips and 5 sugarcane (Saccharum spp. hybrid complex) varieties (‘BO 91’, ‘CoP 16437’, ‘CoP 16438’ and ‘BO 156’) was conducted during spring seasons of 2016-17, 2017-18 and 2018-19, to study the effect of planting materials and varieties on productivity of sugarcane under waterlogged conditions. Significantly higher plant population (157, 000/ha), plant height (292 cm), LAI (4.12), mortality percent (38.4%), length of internode (11.8 cm), millable canes (96, 300/ha) and B: C ratio (0.70) was observed with bud chip as planting material than three bud setts. However, significantly higher number of nodes having aerial roots (8.3), cane diameter (2.09 cm) and single cane weight (828 g) were observed with 3 bud setts. Among the varieties, ‘BO 156’ exhibited better growth performance under waterlogged conditions with higher tillers (175, 000/ha), plant height (295 cm), drymatter accumulation (29.5 t/ha) and number of internode/cane (12). The LAI (4.26) and number of nodes having aerial roots (8.9) were found higher in ‘BO 91’. Higher cane diameter (2.11 cm) and single cane weight (936 g) were obtained from ‘CoP 16437’. But the variety ‘BO 91’ recorded higher millable canes (107, 500/ha) which was statistically comparable to ‘BO 156’. The data indicated that variety ‘BO 156’ recorded significantly higher cane yield (78.0 t/ha), gross returns (₹226, 200/ha), net returns (₹107, 000/ha) and B: C ratio (0.90) but it was at par ‘CoP 16437’ in respect to cane yield and gross returns. The quality in terms of brix (19.5%) and pol (17.11%) of ‘CoP 16438’ and ‘CoP 16437’ was better than ‘CoP 092’ and ‘BO 156’ but the sugar yield of varieties ‘BO 156’ (9.1 t/ha) and ‘CoP 16437’ (8.4 t/ha) were at par to each other. The productivity and economic parameters indicated that bud chip raised settlings and sugarcane variety ‘BO 156’ is economically viable options under waterlogged conditions.

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甘蔗（蔗属杂交种）高产品种在水涝条件下对种植材料的反应

在2016-17年、2017-18年和2018-19年的春季，进行了为期3年的田间试验，包括2种种植材料，即3个芽座和芽片，以及5个甘蔗（蔗属杂交种）品种（'BO 91'、'CoP 16437'、'CoP 16438'和'BO 156'），以研究种植材料和品种对涝害条件下甘蔗生产力的影响。结果表明，以芽片为种植材料的植株数量（157, 000株/公顷）、株高（292厘米）、LAI（4.12）、死亡率（38.4%）、节间长度（11.8厘米）、可磨藤数（96, 300根/公顷）和B：C比（0.70）均显著高于三芽套。然而，用 3 个芽片种植时，气生根的节数（8.3）、甘蔗直径（2.09 厘米）和单根甘蔗重量（828 克）都明显高于用 3 个芽片种植时。在这些品种中，"BO 156 "在水涝条件下表现出更好的生长性能，分蘖数（175 000 个/公顷）、株高（295 厘米）、干物质积累（29.5 吨/公顷）和节间数/甘蔗（12 个）均较高。发现 "BO 91 "的 LAI（4.26）和有气生根的节数（8.9）更高。CoP 16437 "的甘蔗直径（2.11 厘米）和单根甘蔗重量（936 克）较高。但品种 "BO 91 "的可磨甘蔗数（107, 500/公顷）较高，在统计学上与 "BO 156 "相当。数据表明，品种 "BO 156 "的甘蔗产量（78.0 吨/公顷）、总收益（₹226, 200/公顷）、净收益（₹107, 000/公顷）和 B：C 比（0.90）均显著高于 "CoP 16437"，但在甘蔗产量和总收益方面与 "CoP 16437 "相当。CoP 16438 "和 "CoP 16437 "的糖度（19.5%）和多糖（17.11%）优于 "CoP 092 "和 "BO 156"，但 "BO 156"（9.1 吨/公顷）和 "CoP 16437"（8.4 吨/公顷）的产糖率不相上下。生产率和经济参数表明，在涝害条件下，芽片育苗和甘蔗品种 "BO 156 "在经济上是可行的选择。

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来源期刊

Indian Journal of Agronomy Agricultural and Biological Sciences-Agronomy and Crop Science

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0.50

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期刊介绍： Indian Journal of Agronomy welcomes concise articles presenting original research data based on field experiments on all aspects of agronomy in different crops and related cropping systems. • The journal publishes only full length comprehensive articles based on new approaches/findings in English only. • Review articles are also considered but these are normally solicited by Editorial Board. However, the authors who wish to contribute a review on their own based on their standing in the relevant field may contact the Secretary or Chief Editor with a broad outline before submitting the manuscript.