Peanut anti-premature aging late harvest
The growth period of peanuts varies, and with the implementation of measures such as cultivar renewal and mulching, the growth period is also shortened and the harvest is generally premature. If you can extend the peanut fertility process, the production of pods will increase. The traditional high-yield peanut planting generally has a high planting density. Excessive chemical control and disease and insect damage often occur, which can easily lead to the premature decline of peanuts, and the harvesting period is advanced, which affects the peanut yield, and has a low fruit rate, which affects the quality of peanuts.
Research shows that as the growth period of peanuts is prolonged, the number of fruits per plant and the weight of one hundred fruits are continuously increased, and the oil content is also slightly increased. After a day late, it can increase 3-5 kilograms of pods per acre, which is an average increase of 6.5 percent over traditional cultivation. The increase in production and efficiency is very significant, so it is of great significance for peanuts to be harvested at an appropriate date. Adopting comprehensive management such as flexible control and comprehensive prevention and control of pests and diseases can effectively solve problems such as lack of fertility and premature plant failure in the later period of peanuts, and increase the fruit-filling rate to increase yield.
Appropriate harvesting is an important part of guaranteeing high yield and quality of peanuts. Early harvesting, most pods are not yet fully mature, seeds are not full, and the rate of kernels is low, not only affects the yield, but also the quality is poor. If you harvest too late, it is not only easy to drop fruit, but it will also cause some seeds to degenerate or even rot and cause losses. Peanut-pea peanut seeds easily break the dormancy in the soil and cause damage. The proper harvest of peanuts is to determine the appropriate harvest date according to the maturity of peanuts, neither early nor late, and the quality and quantity. The land managed by Fuda Huaduo et al. has no premature senescence, and it can be harvested properly in combination with the actual situation, resulting in a significant increase in production.
Peanut maturity criteria are: the growth of stems and leaves of mature peanut plants is basically stopped, the top 2-3 compound leaves become smaller, the stems and leaves turn yellow, the middle and lower leaves gradually yellow off, the sleepy eye movement of the leaves basically disappear; most of the fruit The shell became hard and thin, and the reticulation was obvious; the seeds were full and full, the seed coat showed the inherent color of the variety, and the skin was thin and smooth. And to reach the number of days of the entire growth period of the species.
Peanut proper harvesting standards: Most pods are mature, ie, the full fruit rate of small early-maturing fruit varieties reaches more than 75%, the middle-middle-maturing varieties have full fruit rate of more than 65%, and common late-maturing varieties have more than 45% fruit filling rate. , can be combined with the actual harvest.
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