Abstract
A field experiment was conducted at Indira Gandhi Agricultural University, Raipur Chattisgarh India to evaluate the growth and yield of wheat varieties under Ceiba pentandra (L.) Gaertn based on agrisilviculture system. The experiment consisted of 76 treatments combination of three tree spacing treatments (4×4m, 4×6m and 4×8m), four wheat varieties ( Sujata, GW-173, GW-273 and HD-2004) , two pruning regime, three distances (0.5 to 1.0 m, 1.0 to 3.0 m and >3.0 m) and four control plots (for each wheat variety). The experiment was laid out in a factorial randomized block design and it was replicated four times. After 9 years, Growth parameter of Ceiba tree stands revealed that the tree height, diameter at breast height, crown width and length, Number of pod tree -1 , Pod length, seed and floss yield decreased numerically from the lower tree density to higher density. Growth and yields were significantly higher in sole wheat than in wheat grown with C. pentandra. Shoot length in wheat decreased by 4.5-17.1%, while root length decreased by 29.8-35.9% at 60 days after sowing. The leaf area index of wheat did no t exhibit any significant variation, but photo synthetically active radiation (PAR) interception was significantly higher in sole wheat and wheat intercrops under 4×8m spacing. The grain yield ranged from 24.0 to 29.1q/ha, Grain yield was highest in HD-2004 variety. The order of yield reduction in different verities was HD-2004 (34.5 %)>GW-173 (17.6 %)> Sujata (14.5%) when compared with HD-2004 variety. Higher grain yield (28.7 q/ha) was obtained in 4x8m tree spacing , while in other two tree spacings the grain yield was ( 25.40 q/ha) in 4x6m and (24.90 q/ha ) 4x4m spaicng. Growth parameters and Grain yield also varied with distance from the tree base.
Highlights
Almost 175 m ha of land is subjected to several land degradation processes in India
The tree has straight bole, acute branching and deciduous nature and potential to produce high quality floss and seeds at early age made the species as an ideal choice of farmers to Evaluation Growth and Yield of Wheat Varieties Under Ceiba pentandra (L) Based Agrisilviculture System practice in agroforestry in different parts of south and central India including Chhattisgarh state
The experiment was conducted in the fields of Department of Forestry, Indira Gandhi Agricultural University, Raipur Chattisgarh India (21.76 0 N latitude; 81.360E longitude; 289 m asl) the studies were done on Nine-year-old Ceiba pentandra (L.) Gaertn
Summary
Almost 175 m ha of land is subjected to several land degradation processes in India. The productivity of many fertile lands has substantially declined during past few decades. Agroforestry is a tree based land use management systems could provide both ecological and economic benefits to local and global communities. It’s commonly known as silk cotton tree distributed in south and central India up to an elevation of 450 m It is a moderate size deciduous tree and a full grown tree of 15 years produce floss yield about 2.7 to 4.0 kg tree-1. The tree has straight bole, acute branching and deciduous nature and potential to produce high quality floss and seeds at early age made the species as an ideal choice of farmers to Evaluation Growth and Yield of Wheat Varieties Under Ceiba pentandra (L) Based Agrisilviculture System practice in agroforestry in different parts of south and central India including Chhattisgarh state. The present study carry out the evaluation growth and yield of wheat varieties in a Ceiba pentandra based agrisilviculture system
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