Effect of spacing and nipping on growth, yield attributes and yield of pigeonpea (Cajanus cajan L. Millsp.)

P. Leena, T. Pandey, R. Shukla
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Abstract

The experimental study entitled “Effect of spacing and nipping on growth, yield attributes and yield of pigeonpea ( Cajanus cajan L. Millsp.)” was performed out at the Research farm of Barrister Thakur Chhedilal College of Agriculture and Research Station, Bilaspur (C.G.) during kharif 2021-22. The experiment was carried in clayey loam type of soil and was sown on 17 th July 2021 in Randomized complete block design with two factors namely spacing (Three spacings: (S 1 ) 40cm x 20 cm, (S 2 ) 60 cm x 20 cm, (S 3 ) 80 cm x 20 cm) and nipping (Three stages: (N 1 ) No nipping, (N 2 ) Nipping at 30 DAS, (N 3 ) Nipping at 30 DAS and 60 DAS) with nine treatment combinations. Each experimental unit was replicated thrice with gross plot size of 4.8 m x 4 m and net plot size of 4 m x 3.6 m for 40 cm x 20 cm spacing, 3.6 m x 3.6 m for 60 cm x 20 cm spacing, 3.2 m x 3.6 m for 80 cm x 20 cm respectively. Among the growth parameters, significantly higher plant height was seen in (S 1 ) 40 cm x 20 cm while number of primary and secondary branches were seen in the spacing (S 3 ) 80 cm x 20 cm, however in nipping, highest plant height was seen in the nipping treatment (N 1 ) no nipping, and maximum number of primary branches and secondary branches were discovered in nipping at 30 DAS and 60 DAS (N 3 ). Eventually with yield attributes, the highest number of pods plant -1 , number of grains pod -1 , 1000 grain weight gave best result in the spacing (S 3 ) 80 cm x 20 cm although in nipping, they were maximum in (N 3 ) Nipping at 30 DAS and 60 DAS. Similarly, higher grain yield, gross returns, net returns and B:C ratio were found in spacing (S 3 ) 80 cm x 20 cm and least was observed in the spacing (S 1 ) 40 cm x 20 cm and in nipping at 30 DAS and 60 DAS (N 3 ) as compared to no nipping (N 1 ).
间距和夹枝对鸽豆生长、产量性状及产量的影响
这项名为“间距和修剪对鸽子豌豆(Cajanus cajan L. Millsp.)生长、产量属性和产量的影响”的试验研究于2021-22年秋季在比拉斯普尔(C.G.)巴利斯特·塔库尔·切迪拉尔农业与研究站学院研究农场进行。实验是在粘质壤土类型的土壤和2021年7月17日播种与两个因素即随机完全区组设计间距(三个间距:(1)40厘米x 20厘米,(2)60 cm x 20厘米,(3)80厘米x 20厘米)和夹紧(三个阶段:(1)没有夹紧,(2)夹紧在30 DAS, (N 3)夹紧在30 DAS和60 DAS) 9个处理组合。每个试验单元重复3次,总小区面积为4.8 m × 4 m,净小区面积为4 m × 3.6 m,间距为40 cm × 20 cm为3.6 m,间距为60 cm × 20 cm为3.6 m,间距为80 cm × 20 cm为3.2 m × 3.6 m。在生长参数中,(s1) 40 cm × 20 cm的株高显著高于(s1) 80 cm × 20 cm的株高,(s1) 80 cm × 20 cm的株高和次枝数显著高于(3)80 cm × 20 cm的株高,而夹枝处理(n1)未夹枝时株高最高,在30das和60das(3)夹枝时一次枝和次枝数最多。在产量性状方面,最高荚果数-1、籽粒数-1、1000粒重在(s3)间距80 cm × 20 cm时效果最好,而在(n3)夹击中,在30das和60das时效果最好。同样,与不夹穗(n1)相比,间距(s1) 80 cm × 20 cm的籽粒产量、总收益、净收益和B:C比较高,间距(s1) 40 cm × 20 cm的籽粒产量、净收益和B:C比最低,间距(s1) 30和60 DAS (n3)的籽粒产量最低。
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