Foliar insecticide application significantly improved yield.

lambda-cyhalothrin · yield · Hordeum vulgare (barley)Results agree

1 paper in the same direction as this claim

1. positive
   Lambda cyhalothrin gave maximum marginal return.

   Efficacy of Synthetic Insecticides against Barley Shoot Fly (Delia Arambourgi) in Barley cultivation in the Central Highlands of North Shewa, Ethiopia · 2025 · compared with rest of the treatments

   Same direction

insecticide · yield · Hordeum vulgare (barley)Positive and negative results

7 papers in the same direction as this claim · 5 in the opposite direction

1. positive
   Barley receiving an insecticide spray had greater grain yield than barley from insecticide-treated seed, significant in one of three seasons.

   Control of barley yellow dwarf virus in minimum-till and conventional-till autumn-sown cereals by insecticide seed and foliar spray treatments · 2011 · compared with barley grown from insecticide-treated seed

   Same directionCited by this paper

2. no effect
   Repeated pesticide applications had no observed deleterious effect on crop productivity.

   The Effect on Soil Fertility of Repeated Applications of Pesticides over 20 Years · 1996

   Opposite direction

3. negative
   All tested pesticides reduced barley pollen fertility.

   Chromosomal Aberrations Induced by Pesticides in Meiotic Cells of Barley · 1980

   Opposite direction

4. no effect
   Grain yield did not differ significantly among insecticide treatments in early-planted barley.

   Effects of Sowing Date and Insecticides on Cereal Aphid Populations and Barley Yellow Dwarf Virus on Barley in Kenya · 2000

   Opposite direction

5. no effect
   Autumn insecticide sprays had no significant grain-yield effect.

   Effects of seven factors on the growth and yield of winter barley grown as a third consecutive take-all susceptible crop and of growing the barley after oats or a fallow · 1992

   Opposite direction

6. no effect
   Band nematicide did not increase subsequent barley grain yield.

   Fumigation with D‐D or Telone on soils prone to Docking disorder · 1976

   Opposite direction

7. positive
   Nematicide improved spring cereal yields by 9 to 40%.

   Root‐Lesion Nematodes Reduce Yield of Intolerant Wheat and Barley · 2009 · compared with untreated

   Same direction

8. positive
   Conventional crop protection significantly increased winter barley yield compared with organic fertility and crop protection regimes.

   Effect of organic, low-input and conventional production systems on yield and diseases in winter barley · 2007 · compared with organic fertility and crop protection regimes

   Same direction

4 papers more in this group

application · yield · Hordeum vulgare (barley)Positive and negative results

89 papers in the same direction as this claim · 13 in the opposite direction

1. positive
   Barley receiving an insecticide spray had greater grain yield than barley from insecticide-treated seed, significant in one of three seasons.

   Control of barley yellow dwarf virus in minimum-till and conventional-till autumn-sown cereals by insecticide seed and foliar spray treatments · 2011 · compared with barley grown from insecticide-treated seed

   Same directionCited by this paper

2. negative
   Fluridone spraying impaired mature seed thousand grain weight.

   ABA biosynthesis and degradation contributing to ABA homeostasis during barley seed development under control and terminal drought-stress conditions · 2011

   Opposite direction

3. no effect
   Tillering sprays failed to significantly increase barley yield.

   EFFECTS OF SEED AND FOLIAR FUNGICIDES ON PROGRESS OF NET BLOTCH AND YIELD IN BARLEY · 1983

   Opposite direction

4. no effect
   TiO2 nanoparticle spraying had no significant effect on harvest index or weight of spikelets in barley.

   Study of Nano Particles TiO 2 Spraying on Some Yield Components in Barley (Hordem Vulgare L.) · 2011 · compared with control

   Opposite direction

5. negative
   Spikes per square metre were reduced by ethephon spraying at the tillering and stem elongation stages compared with the control at both locations.

   Effect of Ethephon Spraying at Three Developmental Stages of Barley Planted in Arid and Semiarid Mediterranean Locations · 2002 · compared with the control

   Opposite direction

6. no effect
   Fungicide spraying had no clear effect on barley yield.

   Application of widely used fungicides does not necessarily affect grain yield, and incidence of Fusarium spp. and mycotoxins DON, HT-2 and T-2 in spring barley in northern climates · 2020

   Opposite direction

7. negative
   Six-leaf spraying reduced yield more than five-leaf spraying.

   Sterility Induced in Barley by a Synthetic Pyridone¹ · 1978 · compared with spraying at the five‐leaf stage

   Opposite direction

8. no effect
   Zinc treatments did not increase barley grain yield at harvest.

   Investigation into the response of barley to applied zinc · 1991

   Opposite direction

94 papers more in this group