Biostimulants an important nonchemical alternative to pesticides for management of virus disease in Muskmelon

Egyptian Journal of Biological Pest Control

Table 4 Effect of oils, buttermilk and kaolin on chlorophyll content, photosynthetic activity, stomatal conductance and transpiration

S. no	Treatment	Chlorophyll content (mg m⁻²)	Photosynthetic activity (µmols m⁻² s⁻¹)	Stomatal Conductance (mol m⁻² s⁻¹)	Transpiration (mmol m⁻² s⁻¹)
1	Vegetable oil 0.5%	4.89	24.90	0.07	3.42
2	Vegetable oil 1%	8.50	28.03	0.06	3.15
3	Vegetable oil 2%	10.71	33.37	0.14	5.72
4	Neem oil 0.5%	4.94	23.07	0.19	6.13
5	Neem oil 1%	6.20	39.00	0.02	1.30
6	Neem oil 2%	12.07	31.43	0.06	2.74
7	Horticulture Mineral Oil 0.5%	2.06	26.70	0.12	4.20
8	Horticulture Mineral Oil 1%	3.12	30.90	0.01	0.75
9	Horticulture Mineral Oil 2%	14.33	31.67	0.13	4.18
10	Lemon Grass Oil 0.1%	10.37	23.67	0.07	3.17
11	Lemon Grass Oil 0.2%	14.42	25.83	0.21	6.59
12	Lemon Grass Oil 0.5%	16.94	34.03	0.12	4.75
13	Kaolin 0.5%	13.10	41.07	0.09	4.09
14	Kaolin 1%	15.42	40.13	0.11	5.57
15	Kaolin 2%	18.27	43.90	0.24	7.59
16	Buttermilk 5%	6.47	38.83	0.02	1.31
17	Buttermilk 10%	14.66	42.50	0.11	4.28
18	Buttermilk 20%	26.91	43.80	0.21	6.61
19	Control + Water	3.34	17.80	0.09	4.20
20	Control	1.67	15.63	0.05	2.70
21	General Mean	10.41	31.81	0.11	4.12
	C.D. 5%	2.07	13.12	0.02	0.76